diff options
Diffstat (limited to 'package/px5g/src/library')
| -rw-r--r-- | package/px5g/src/library/base64.c | 264 | ||||
| -rw-r--r-- | package/px5g/src/library/bignum.c | 2010 | ||||
| -rw-r--r-- | package/px5g/src/library/havege.c | 276 | ||||
| -rw-r--r-- | package/px5g/src/library/rsa.c | 750 | ||||
| -rw-r--r-- | package/px5g/src/library/sha1.c | 622 | ||||
| -rw-r--r-- | package/px5g/src/library/timing.c | 265 | ||||
| -rw-r--r-- | package/px5g/src/library/x509write.c | 1139 |
7 files changed, 0 insertions, 5326 deletions
diff --git a/package/px5g/src/library/base64.c b/package/px5g/src/library/base64.c deleted file mode 100644 index b7cc5b8..0000000 --- a/package/px5g/src/library/base64.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - * RFC 1521 base64 encoding/decoding - * - * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine - * - * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org> - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the names of PolarSSL or XySSL nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_BASE64_C) - -#include "polarssl/base64.h" - -static const unsigned char base64_enc_map[64] = -{ - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', - 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', - 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', - 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', - 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', - 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', '+', '/' -}; - -static const unsigned char base64_dec_map[128] = -{ - 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, - 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, - 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, - 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, - 127, 127, 127, 62, 127, 127, 127, 63, 52, 53, - 54, 55, 56, 57, 58, 59, 60, 61, 127, 127, - 127, 64, 127, 127, 127, 0, 1, 2, 3, 4, - 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 127, 127, 127, 127, 127, 127, 26, 27, 28, - 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, - 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, - 49, 50, 51, 127, 127, 127, 127, 127 -}; - -/* - * Encode a buffer into base64 format - */ -int base64_encode( unsigned char *dst, int *dlen, - unsigned char *src, int slen ) -{ - int i, n; - int C1, C2, C3; - unsigned char *p; - - if( slen == 0 ) - return( 0 ); - - n = (slen << 3) / 6; - - switch( (slen << 3) - (n * 6) ) - { - case 2: n += 3; break; - case 4: n += 2; break; - default: break; - } - - if( *dlen < n + 1 ) - { - *dlen = n + 1; - return( POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL ); - } - - n = (slen / 3) * 3; - - for( i = 0, p = dst; i < n; i += 3 ) - { - C1 = *src++; - C2 = *src++; - C3 = *src++; - - *p++ = base64_enc_map[(C1 >> 2) & 0x3F]; - *p++ = base64_enc_map[(((C1 & 3) << 4) + (C2 >> 4)) & 0x3F]; - *p++ = base64_enc_map[(((C2 & 15) << 2) + (C3 >> 6)) & 0x3F]; - *p++ = base64_enc_map[C3 & 0x3F]; - } - - if( i < slen ) - { - C1 = *src++; - C2 = ((i + 1) < slen) ? *src++ : 0; - - *p++ = base64_enc_map[(C1 >> 2) & 0x3F]; - *p++ = base64_enc_map[(((C1 & 3) << 4) + (C2 >> 4)) & 0x3F]; - - if( (i + 1) < slen ) - *p++ = base64_enc_map[((C2 & 15) << 2) & 0x3F]; - else *p++ = '='; - - *p++ = '='; - } - - *dlen = p - dst; - *p = 0; - - return( 0 ); -} - -/* - * Decode a base64-formatted buffer - */ -int base64_decode( unsigned char *dst, int *dlen, - unsigned char *src, int slen ) -{ - int i, j, n; - unsigned long x; - unsigned char *p; - - for( i = j = n = 0; i < slen; i++ ) - { - if( ( slen - i ) >= 2 && - src[i] == '\r' && src[i + 1] == '\n' ) - continue; - - if( src[i] == '\n' ) - continue; - - if( src[i] == '=' && ++j > 2 ) - return( POLARSSL_ERR_BASE64_INVALID_CHARACTER ); - - if( src[i] > 127 || base64_dec_map[src[i]] == 127 ) - return( POLARSSL_ERR_BASE64_INVALID_CHARACTER ); - - if( base64_dec_map[src[i]] < 64 && j != 0 ) - return( POLARSSL_ERR_BASE64_INVALID_CHARACTER ); - - n++; - } - - if( n == 0 ) - return( 0 ); - - n = ((n * 6) + 7) >> 3; - - if( *dlen < n ) - { - *dlen = n; - return( POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL ); - } - - for( j = 3, n = x = 0, p = dst; i > 0; i--, src++ ) - { - if( *src == '\r' || *src == '\n' ) - continue; - - j -= ( base64_dec_map[*src] == 64 ); - x = (x << 6) | ( base64_dec_map[*src] & 0x3F ); - - if( ++n == 4 ) - { - n = 0; - if( j > 0 ) *p++ = (unsigned char)( x >> 16 ); - if( j > 1 ) *p++ = (unsigned char)( x >> 8 ); - if( j > 2 ) *p++ = (unsigned char)( x ); - } - } - - *dlen = p - dst; - - return( 0 ); -} - -#if defined(POLARSSL_SELF_TEST) - -#include <string.h> -#include <stdio.h> - -static const unsigned char base64_test_dec[64] = -{ - 0x24, 0x48, 0x6E, 0x56, 0x87, 0x62, 0x5A, 0xBD, - 0xBF, 0x17, 0xD9, 0xA2, 0xC4, 0x17, 0x1A, 0x01, - 0x94, 0xED, 0x8F, 0x1E, 0x11, 0xB3, 0xD7, 0x09, - 0x0C, 0xB6, 0xE9, 0x10, 0x6F, 0x22, 0xEE, 0x13, - 0xCA, 0xB3, 0x07, 0x05, 0x76, 0xC9, 0xFA, 0x31, - 0x6C, 0x08, 0x34, 0xFF, 0x8D, 0xC2, 0x6C, 0x38, - 0x00, 0x43, 0xE9, 0x54, 0x97, 0xAF, 0x50, 0x4B, - 0xD1, 0x41, 0xBA, 0x95, 0x31, 0x5A, 0x0B, 0x97 -}; - -static const unsigned char base64_test_enc[] = - "JEhuVodiWr2/F9mixBcaAZTtjx4Rs9cJDLbpEG8i7hPK" - "swcFdsn6MWwINP+Nwmw4AEPpVJevUEvRQbqVMVoLlw=="; - -/* - * Checkup routine - */ -int base64_self_test( int verbose ) -{ - int len; - unsigned char *src, buffer[128]; - - if( verbose != 0 ) - printf( " Base64 encoding test: " ); - - len = sizeof( buffer ); - src = (unsigned char *) base64_test_dec; - - if( base64_encode( buffer, &len, src, 64 ) != 0 || - memcmp( base64_test_enc, buffer, 88 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n Base64 decoding test: " ); - - len = sizeof( buffer ); - src = (unsigned char *) base64_test_enc; - - if( base64_decode( buffer, &len, src, 88 ) != 0 || - memcmp( base64_test_dec, buffer, 64 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/package/px5g/src/library/bignum.c b/package/px5g/src/library/bignum.c deleted file mode 100644 index 8b7c12f..0000000 --- a/package/px5g/src/library/bignum.c +++ /dev/null @@ -1,2010 +0,0 @@ -/* - * Multi-precision integer library - * - * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine - * - * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org> - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the names of PolarSSL or XySSL nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -/* - * This MPI implementation is based on: - * - * http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf - * http://www.stillhq.com/extracted/gnupg-api/mpi/ - * http://math.libtomcrypt.com/files/tommath.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_BIGNUM_C) - -#include "polarssl/bignum.h" -#include "polarssl/bn_mul.h" - -#include <string.h> -#include <stdlib.h> -#include <stdarg.h> - -#define ciL ((int) sizeof(t_int)) /* chars in limb */ -#define biL (ciL << 3) /* bits in limb */ -#define biH (ciL << 2) /* half limb size */ - -/* - * Convert between bits/chars and number of limbs - */ -#define BITS_TO_LIMBS(i) (((i) + biL - 1) / biL) -#define CHARS_TO_LIMBS(i) (((i) + ciL - 1) / ciL) - -/* - * Initialize one or more mpi - */ -void mpi_init( mpi *X, ... ) -{ - va_list args; - - va_start( args, X ); - - while( X != NULL ) - { - X->s = 1; - X->n = 0; - X->p = NULL; - - X = va_arg( args, mpi* ); - } - - va_end( args ); -} - -/* - * Unallocate one or more mpi - */ -void mpi_free( mpi *X, ... ) -{ - va_list args; - - va_start( args, X ); - - while( X != NULL ) - { - if( X->p != NULL ) - { - memset( X->p, 0, X->n * ciL ); - free( X->p ); - } - - X->s = 1; - X->n = 0; - X->p = NULL; - - X = va_arg( args, mpi* ); - } - - va_end( args ); -} - -/* - * Enlarge to the specified number of limbs - */ -int mpi_grow( mpi *X, int nblimbs ) -{ - t_int *p; - - if( X->n < nblimbs ) - { - if( ( p = (t_int *) malloc( nblimbs * ciL ) ) == NULL ) - return( 1 ); - - memset( p, 0, nblimbs * ciL ); - - if( X->p != NULL ) - { - memcpy( p, X->p, X->n * ciL ); - memset( X->p, 0, X->n * ciL ); - free( X->p ); - } - - X->n = nblimbs; - X->p = p; - } - - return( 0 ); -} - -/* - * Copy the contents of Y into X - */ -int mpi_copy( mpi *X, mpi *Y ) -{ - int ret, i; - - if( X == Y ) - return( 0 ); - - for( i = Y->n - 1; i > 0; i-- ) - if( Y->p[i] != 0 ) - break; - i++; - - X->s = Y->s; - - MPI_CHK( mpi_grow( X, i ) ); - - memset( X->p, 0, X->n * ciL ); - memcpy( X->p, Y->p, i * ciL ); - -cleanup: - - return( ret ); -} - -/* - * Swap the contents of X and Y - */ -void mpi_swap( mpi *X, mpi *Y ) -{ - mpi T; - - memcpy( &T, X, sizeof( mpi ) ); - memcpy( X, Y, sizeof( mpi ) ); - memcpy( Y, &T, sizeof( mpi ) ); -} - -/* - * Set value from integer - */ -int mpi_lset( mpi *X, int z ) -{ - int ret; - - MPI_CHK( mpi_grow( X, 1 ) ); - memset( X->p, 0, X->n * ciL ); - - X->p[0] = ( z < 0 ) ? -z : z; - X->s = ( z < 0 ) ? -1 : 1; - -cleanup: - - return( ret ); -} - -/* - * Return the number of least significant bits - */ -int mpi_lsb( mpi *X ) -{ - int i, j, count = 0; - - for( i = 0; i < X->n; i++ ) - for( j = 0; j < (int) biL; j++, count++ ) - if( ( ( X->p[i] >> j ) & 1 ) != 0 ) - return( count ); - - return( 0 ); -} - -/* - * Return the number of most significant bits - */ -int mpi_msb( mpi *X ) -{ - int i, j; - - for( i = X->n - 1; i > 0; i-- ) - if( X->p[i] != 0 ) - break; - - for( j = biL - 1; j >= 0; j-- ) - if( ( ( X->p[i] >> j ) & 1 ) != 0 ) - break; - - return( ( i * biL ) + j + 1 ); -} - -/* - * Return the total size in bytes - */ -int mpi_size( mpi *X ) -{ - return( ( mpi_msb( X ) + 7 ) >> 3 ); -} - -/* - * Convert an ASCII character to digit value - */ -static int mpi_get_digit( t_int *d, int radix, char c ) -{ - *d = 255; - - if( c >= 0x30 && c <= 0x39 ) *d = c - 0x30; - if( c >= 0x41 && c <= 0x46 ) *d = c - 0x37; - if( c >= 0x61 && c <= 0x66 ) *d = c - 0x57; - - if( *d >= (t_int) radix ) - return( POLARSSL_ERR_MPI_INVALID_CHARACTER ); - - return( 0 ); -} - -/* - * Import from an ASCII string - */ -int mpi_read_string( mpi *X, int radix, char *s ) -{ - int ret, i, j, n; - t_int d; - mpi T; - - if( radix < 2 || radix > 16 ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - mpi_init( &T, NULL ); - - if( radix == 16 ) - { - n = BITS_TO_LIMBS( strlen( s ) << 2 ); - - MPI_CHK( mpi_grow( X, n ) ); - MPI_CHK( mpi_lset( X, 0 ) ); - - for( i = strlen( s ) - 1, j = 0; i >= 0; i--, j++ ) - { - if( i == 0 && s[i] == '-' ) - { - X->s = -1; - break; - } - - MPI_CHK( mpi_get_digit( &d, radix, s[i] ) ); - X->p[j / (2 * ciL)] |= d << ( (j % (2 * ciL)) << 2 ); - } - } - else - { - MPI_CHK( mpi_lset( X, 0 ) ); - - for( i = 0; i < (int) strlen( s ); i++ ) - { - if( i == 0 && s[i] == '-' ) - { - X->s = -1; - continue; - } - - MPI_CHK( mpi_get_digit( &d, radix, s[i] ) ); - MPI_CHK( mpi_mul_int( &T, X, radix ) ); - MPI_CHK( mpi_add_int( X, &T, d ) ); - } - } - -cleanup: - - mpi_free( &T, NULL ); - - return( ret ); -} - -/* - * Helper to write the digits high-order first - */ -static int mpi_write_hlp( mpi *X, int radix, char **p ) -{ - int ret; - t_int r; - - if( radix < 2 || radix > 16 ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - MPI_CHK( mpi_mod_int( &r, X, radix ) ); - MPI_CHK( mpi_div_int( X, NULL, X, radix ) ); - - if( mpi_cmp_int( X, 0 ) != 0 ) - MPI_CHK( mpi_write_hlp( X, radix, p ) ); - - if( r < 10 ) - *(*p)++ = (char)( r + 0x30 ); - else - *(*p)++ = (char)( r + 0x37 ); - -cleanup: - - return( ret ); -} - -/* - * Export into an ASCII string - */ -int mpi_write_string( mpi *X, int radix, char *s, int *slen ) -{ - int ret = 0, n; - char *p; - mpi T; - - if( radix < 2 || radix > 16 ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - n = mpi_msb( X ); - if( radix >= 4 ) n >>= 1; - if( radix >= 16 ) n >>= 1; - n += 3; - - if( *slen < n ) - { - *slen = n; - return( POLARSSL_ERR_MPI_BUFFER_TOO_SMALL ); - } - - p = s; - mpi_init( &T, NULL ); - - if( X->s == -1 ) - *p++ = '-'; - - if( radix == 16 ) - { - int c, i, j, k; - - for( i = X->n - 1, k = 0; i >= 0; i-- ) - { - for( j = ciL - 1; j >= 0; j-- ) - { - c = ( X->p[i] >> (j << 3) ) & 0xFF; - - if( c == 0 && k == 0 && (i + j) != 0 ) - continue; - - p += sprintf( p, "%02X", c ); - k = 1; - } - } - } - else - { - MPI_CHK( mpi_copy( &T, X ) ); - MPI_CHK( mpi_write_hlp( &T, radix, &p ) ); - } - - *p++ = '\0'; - *slen = p - s; - -cleanup: - - mpi_free( &T, NULL ); - - return( ret ); -} - -/* - * Read X from an opened file - */ -int mpi_read_file( mpi *X, int radix, FILE *fin ) -{ - t_int d; - int slen; - char *p; - char s[1024]; - - memset( s, 0, sizeof( s ) ); - if( fgets( s, sizeof( s ) - 1, fin ) == NULL ) - return( POLARSSL_ERR_MPI_FILE_IO_ERROR ); - - slen = strlen( s ); - if( s[slen - 1] == '\n' ) { slen--; s[slen] = '\0'; } - if( s[slen - 1] == '\r' ) { slen--; s[slen] = '\0'; } - - p = s + slen; - while( --p >= s ) - if( mpi_get_digit( &d, radix, *p ) != 0 ) - break; - - return( mpi_read_string( X, radix, p + 1 ) ); -} - -/* - * Write X into an opened file (or stdout if fout == NULL) - */ -int mpi_write_file( char *p, mpi *X, int radix, FILE *fout ) -{ - int n, ret; - size_t slen; - size_t plen; - char s[1024]; - - n = sizeof( s ); - memset( s, 0, n ); - n -= 2; - - MPI_CHK( mpi_write_string( X, radix, s, (int *) &n ) ); - - if( p == NULL ) p = ""; - - plen = strlen( p ); - slen = strlen( s ); - s[slen++] = '\r'; - s[slen++] = '\n'; - - if( fout != NULL ) - { - if( fwrite( p, 1, plen, fout ) != plen || - fwrite( s, 1, slen, fout ) != slen ) - return( POLARSSL_ERR_MPI_FILE_IO_ERROR ); - } - else - printf( "%s%s", p, s ); - -cleanup: - - return( ret ); -} - -/* - * Import X from unsigned binary data, big endian - */ -int mpi_read_binary( mpi *X, unsigned char *buf, int buflen ) -{ - int ret, i, j, n; - - for( n = 0; n < buflen; n++ ) - if( buf[n] != 0 ) - break; - - MPI_CHK( mpi_grow( X, CHARS_TO_LIMBS( buflen - n ) ) ); - MPI_CHK( mpi_lset( X, 0 ) ); - - for( i = buflen - 1, j = 0; i >= n; i--, j++ ) - X->p[j / ciL] |= ((t_int) buf[i]) << ((j % ciL) << 3); - -cleanup: - - return( ret ); -} - -/* - * Export X into unsigned binary data, big endian - */ -int mpi_write_binary( mpi *X, unsigned char *buf, int buflen ) -{ - int i, j, n; - - n = mpi_size( X ); - - if( buflen < n ) - return( POLARSSL_ERR_MPI_BUFFER_TOO_SMALL ); - - memset( buf, 0, buflen ); - - for( i = buflen - 1, j = 0; n > 0; i--, j++, n-- ) - buf[i] = (unsigned char)( X->p[j / ciL] >> ((j % ciL) << 3) ); - - return( 0 ); -} - -/* - * Left-shift: X <<= count - */ -int mpi_shift_l( mpi *X, int count ) -{ - int ret, i, v0, t1; - t_int r0 = 0, r1; - - v0 = count / (biL ); - t1 = count & (biL - 1); - - i = mpi_msb( X ) + count; - - if( X->n * (int) biL < i ) - MPI_CHK( mpi_grow( X, BITS_TO_LIMBS( i ) ) ); - - ret = 0; - - /* - * shift by count / limb_size - */ - if( v0 > 0 ) - { - for( i = X->n - 1; i >= v0; i-- ) - X->p[i] = X->p[i - v0]; - - for( ; i >= 0; i-- ) - X->p[i] = 0; - } - - /* - * shift by count % limb_size - */ - if( t1 > 0 ) - { - for( i = v0; i < X->n; i++ ) - { - r1 = X->p[i] >> (biL - t1); - X->p[i] <<= t1; - X->p[i] |= r0; - r0 = r1; - } - } - -cleanup: - - return( ret ); -} - -/* - * Right-shift: X >>= count - */ -int mpi_shift_r( mpi *X, int count ) -{ - int i, v0, v1; - t_int r0 = 0, r1; - - v0 = count / biL; - v1 = count & (biL - 1); - - /* - * shift by count / limb_size - */ - if( v0 > 0 ) - { - for( i = 0; i < X->n - v0; i++ ) - X->p[i] = X->p[i + v0]; - - for( ; i < X->n; i++ ) - X->p[i] = 0; - } - - /* - * shift by count % limb_size - */ - if( v1 > 0 ) - { - for( i = X->n - 1; i >= 0; i-- ) - { - r1 = X->p[i] << (biL - v1); - X->p[i] >>= v1; - X->p[i] |= r0; - r0 = r1; - } - } - - return( 0 ); -} - -/* - * Compare unsigned values - */ -int mpi_cmp_abs( mpi *X, mpi *Y ) -{ - int i, j; - - for( i = X->n - 1; i >= 0; i-- ) - if( X->p[i] != 0 ) - break; - - for( j = Y->n - 1; j >= 0; j-- ) - if( Y->p[j] != 0 ) - break; - - if( i < 0 && j < 0 ) - return( 0 ); - - if( i > j ) return( 1 ); - if( j > i ) return( -1 ); - - for( ; i >= 0; i-- ) - { - if( X->p[i] > Y->p[i] ) return( 1 ); - if( X->p[i] < Y->p[i] ) return( -1 ); - } - - return( 0 ); -} - -/* - * Compare signed values - */ -int mpi_cmp_mpi( mpi *X, mpi *Y ) -{ - int i, j; - - for( i = X->n - 1; i >= 0; i-- ) - if( X->p[i] != 0 ) - break; - - for( j = Y->n - 1; j >= 0; j-- ) - if( Y->p[j] != 0 ) - break; - - if( i < 0 && j < 0 ) - return( 0 ); - - if( i > j ) return( X->s ); - if( j > i ) return( -X->s ); - - if( X->s > 0 && Y->s < 0 ) return( 1 ); - if( Y->s > 0 && X->s < 0 ) return( -1 ); - - for( ; i >= 0; i-- ) - { - if( X->p[i] > Y->p[i] ) return( X->s ); - if( X->p[i] < Y->p[i] ) return( -X->s ); - } - - return( 0 ); -} - -/* - * Compare signed values - */ -int mpi_cmp_int( mpi *X, int z ) -{ - mpi Y; - t_int p[1]; - - *p = ( z < 0 ) ? -z : z; - Y.s = ( z < 0 ) ? -1 : 1; - Y.n = 1; - Y.p = p; - - return( mpi_cmp_mpi( X, &Y ) ); -} - -/* - * Unsigned addition: X = |A| + |B| (HAC 14.7) - */ -int mpi_add_abs( mpi *X, mpi *A, mpi *B ) -{ - int ret, i, j; - t_int *o, *p, c; - - if( X == B ) - { - mpi *T = A; A = X; B = T; - } - - if( X != A ) - MPI_CHK( mpi_copy( X, A ) ); - - for( j = B->n - 1; j >= 0; j-- ) - if( B->p[j] != 0 ) - break; - - MPI_CHK( mpi_grow( X, j + 1 ) ); - - o = B->p; p = X->p; c = 0; - - for( i = 0; i <= j; i++, o++, p++ ) - { - *p += c; c = ( *p < c ); - *p += *o; c += ( *p < *o ); - } - - while( c != 0 ) - { - if( i >= X->n ) - { - MPI_CHK( mpi_grow( X, i + 1 ) ); - p = X->p + i; - } - - *p += c; c = ( *p < c ); i++; - } - -cleanup: - - return( ret ); -} - -/* - * Helper for mpi substraction - */ -static void mpi_sub_hlp( int n, t_int *s, t_int *d ) -{ - int i; - t_int c, z; - - for( i = c = 0; i < n; i++, s++, d++ ) - { - z = ( *d < c ); *d -= c; - c = ( *d < *s ) + z; *d -= *s; - } - - while( c != 0 ) - { - z = ( *d < c ); *d -= c; - c = z; i++; d++; - } -} - -/* - * Unsigned substraction: X = |A| - |B| (HAC 14.9) - */ -int mpi_sub_abs( mpi *X, mpi *A, mpi *B ) -{ - mpi TB; - int ret, n; - - if( mpi_cmp_abs( A, B ) < 0 ) - return( POLARSSL_ERR_MPI_NEGATIVE_VALUE ); - - mpi_init( &TB, NULL ); - - if( X == B ) - { - MPI_CHK( mpi_copy( &TB, B ) ); - B = &TB; - } - - if( X != A ) - MPI_CHK( mpi_copy( X, A ) ); - - ret = 0; - - for( n = B->n - 1; n >= 0; n-- ) - if( B->p[n] != 0 ) - break; - - mpi_sub_hlp( n + 1, B->p, X->p ); - -cleanup: - - mpi_free( &TB, NULL ); - - return( ret ); -} - -/* - * Signed addition: X = A + B - */ -int mpi_add_mpi( mpi *X, mpi *A, mpi *B ) -{ - int ret, s = A->s; - - if( A->s * B->s < 0 ) - { - if( mpi_cmp_abs( A, B ) >= 0 ) - { - MPI_CHK( mpi_sub_abs( X, A, B ) ); - X->s = s; - } - else - { - MPI_CHK( mpi_sub_abs( X, B, A ) ); - X->s = -s; - } - } - else - { - MPI_CHK( mpi_add_abs( X, A, B ) ); - X->s = s; - } - -cleanup: - - return( ret ); -} - -/* - * Signed substraction: X = A - B - */ -int mpi_sub_mpi( mpi *X, mpi *A, mpi *B ) -{ - int ret, s = A->s; - - if( A->s * B->s > 0 ) - { - if( mpi_cmp_abs( A, B ) >= 0 ) - { - MPI_CHK( mpi_sub_abs( X, A, B ) ); - X->s = s; - } - else - { - MPI_CHK( mpi_sub_abs( X, B, A ) ); - X->s = -s; - } - } - else - { - MPI_CHK( mpi_add_abs( X, A, B ) ); - X->s = s; - } - -cleanup: - - return( ret ); -} - -/* - * Signed addition: X = A + b - */ -int mpi_add_int( mpi *X, mpi *A, int b ) -{ - mpi _B; - t_int p[1]; - - p[0] = ( b < 0 ) ? -b : b; - _B.s = ( b < 0 ) ? -1 : 1; - _B.n = 1; - _B.p = p; - - return( mpi_add_mpi( X, A, &_B ) ); -} - -/* - * Signed substraction: X = A - b - */ -int mpi_sub_int( mpi *X, mpi *A, int b ) -{ - mpi _B; - t_int p[1]; - - p[0] = ( b < 0 ) ? -b : b; - _B.s = ( b < 0 ) ? -1 : 1; - _B.n = 1; - _B.p = p; - - return( mpi_sub_mpi( X, A, &_B ) ); -} - -/* - * Helper for mpi multiplication - */ -static void mpi_mul_hlp( int i, t_int *s, t_int *d, t_int b ) -{ - t_int c = 0, t = 0; - -#if defined(MULADDC_HUIT) - for( ; i >= 8; i -= 8 ) - { - MULADDC_INIT - MULADDC_HUIT - MULADDC_STOP - } - - for( ; i > 0; i-- ) - { - MULADDC_INIT - MULADDC_CORE - MULADDC_STOP - } -#else - for( ; i >= 16; i -= 16 ) - { - MULADDC_INIT - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_STOP - } - - for( ; i >= 8; i -= 8 ) - { - MULADDC_INIT - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_STOP - } - - for( ; i > 0; i-- ) - { - MULADDC_INIT - MULADDC_CORE - MULADDC_STOP - } -#endif - - t++; - - do { - *d += c; c = ( *d < c ); d++; - } - while( c != 0 ); -} - -/* - * Baseline multiplication: X = A * B (HAC 14.12) - */ -int mpi_mul_mpi( mpi *X, mpi *A, mpi *B ) -{ - int ret, i, j; - mpi TA, TB; - - mpi_init( &TA, &TB, NULL ); - - if( X == A ) { MPI_CHK( mpi_copy( &TA, A ) ); A = &TA; } - if( X == B ) { MPI_CHK( mpi_copy( &TB, B ) ); B = &TB; } - - for( i = A->n - 1; i >= 0; i-- ) - if( A->p[i] != 0 ) - break; - - for( j = B->n - 1; j >= 0; j-- ) - if( B->p[j] != 0 ) - break; - - MPI_CHK( mpi_grow( X, i + j + 2 ) ); - MPI_CHK( mpi_lset( X, 0 ) ); - - for( i++; j >= 0; j-- ) - mpi_mul_hlp( i, A->p, X->p + j, B->p[j] ); - - X->s = A->s * B->s; - -cleanup: - - mpi_free( &TB, &TA, NULL ); - - return( ret ); -} - -/* - * Baseline multiplication: X = A * b - */ -int mpi_mul_int( mpi *X, mpi *A, t_int b ) -{ - mpi _B; - t_int p[1]; - - _B.s = 1; - _B.n = 1; - _B.p = p; - p[0] = b; - - return( mpi_mul_mpi( X, A, &_B ) ); -} - -/* - * Division by mpi: A = Q * B + R (HAC 14.20) - */ -int mpi_div_mpi( mpi *Q, mpi *R, mpi *A, mpi *B ) -{ - int ret, i, n, t, k; - mpi X, Y, Z, T1, T2; - - if( mpi_cmp_int( B, 0 ) == 0 ) - return( POLARSSL_ERR_MPI_DIVISION_BY_ZERO ); - - mpi_init( &X, &Y, &Z, &T1, &T2, NULL ); - - if( mpi_cmp_abs( A, B ) < 0 ) - { - if( Q != NULL ) MPI_CHK( mpi_lset( Q, 0 ) ); - if( R != NULL ) MPI_CHK( mpi_copy( R, A ) ); - return( 0 ); - } - - MPI_CHK( mpi_copy( &X, A ) ); - MPI_CHK( mpi_copy( &Y, B ) ); - X.s = Y.s = 1; - - MPI_CHK( mpi_grow( &Z, A->n + 2 ) ); - MPI_CHK( mpi_lset( &Z, 0 ) ); - MPI_CHK( mpi_grow( &T1, 2 ) ); - MPI_CHK( mpi_grow( &T2, 3 ) ); - - k = mpi_msb( &Y ) % biL; - if( k < (int) biL - 1 ) - { - k = biL - 1 - k; - MPI_CHK( mpi_shift_l( &X, k ) ); - MPI_CHK( mpi_shift_l( &Y, k ) ); - } - else k = 0; - - n = X.n - 1; - t = Y.n - 1; - mpi_shift_l( &Y, biL * (n - t) ); - - while( mpi_cmp_mpi( &X, &Y ) >= 0 ) - { - Z.p[n - t]++; - mpi_sub_mpi( &X, &X, &Y ); - } - mpi_shift_r( &Y, biL * (n - t) ); - - for( i = n; i > t ; i-- ) - { - if( X.p[i] >= Y.p[t] ) - Z.p[i - t - 1] = ~0; - else - { -#if defined(POLARSSL_HAVE_LONGLONG) - t_dbl r; - - r = (t_dbl) X.p[i] << biL; - r |= (t_dbl) X.p[i - 1]; - r /= Y.p[t]; - if( r > ((t_dbl) 1 << biL) - 1) - r = ((t_dbl) 1 << biL) - 1; - - Z.p[i - t - 1] = (t_int) r; -#else - /* - * __udiv_qrnnd_c, from gmp/longlong.h - */ - t_int q0, q1, r0, r1; - t_int d0, d1, d, m; - - d = Y.p[t]; - d0 = ( d << biH ) >> biH; - d1 = ( d >> biH ); - - q1 = X.p[i] / d1; - r1 = X.p[i] - d1 * q1; - r1 <<= biH; - r1 |= ( X.p[i - 1] >> biH ); - - m = q1 * d0; - if( r1 < m ) - { - q1--, r1 += d; - while( r1 >= d && r1 < m ) - q1--, r1 += d; - } - r1 -= m; - - q0 = r1 / d1; - r0 = r1 - d1 * q0; - r0 <<= biH; - r0 |= ( X.p[i - 1] << biH ) >> biH; - - m = q0 * d0; - if( r0 < m ) - { - q0--, r0 += d; - while( r0 >= d && r0 < m ) - q0--, r0 += d; - } - r0 -= m; - - Z.p[i - t - 1] = ( q1 << biH ) | q0; -#endif - } - - Z.p[i - t - 1]++; - do - { - Z.p[i - t - 1]--; - - MPI_CHK( mpi_lset( &T1, 0 ) ); - T1.p[0] = (t < 1) ? 0 : Y.p[t - 1]; - T1.p[1] = Y.p[t]; - MPI_CHK( mpi_mul_int( &T1, &T1, Z.p[i - t - 1] ) ); - - MPI_CHK( mpi_lset( &T2, 0 ) ); - T2.p[0] = (i < 2) ? 0 : X.p[i - 2]; - T2.p[1] = (i < 1) ? 0 : X.p[i - 1]; - T2.p[2] = X.p[i]; - } - while( mpi_cmp_mpi( &T1, &T2 ) > 0 ); - - MPI_CHK( mpi_mul_int( &T1, &Y, Z.p[i - t - 1] ) ); - MPI_CHK( mpi_shift_l( &T1, biL * (i - t - 1) ) ); - MPI_CHK( mpi_sub_mpi( &X, &X, &T1 ) ); - - if( mpi_cmp_int( &X, 0 ) < 0 ) - { - MPI_CHK( mpi_copy( &T1, &Y ) ); - MPI_CHK( mpi_shift_l( &T1, biL * (i - t - 1) ) ); - MPI_CHK( mpi_add_mpi( &X, &X, &T1 ) ); - Z.p[i - t - 1]--; - } - } - - if( Q != NULL ) - { - mpi_copy( Q, &Z ); - Q->s = A->s * B->s; - } - - if( R != NULL ) - { - mpi_shift_r( &X, k ); - mpi_copy( R, &X ); - - R->s = A->s; - if( mpi_cmp_int( R, 0 ) == 0 ) - R->s = 1; - } - -cleanup: - - mpi_free( &X, &Y, &Z, &T1, &T2, NULL ); - - return( ret ); -} - -/* - * Division by int: A = Q * b + R - * - * Returns 0 if successful - * 1 if memory allocation failed - * POLARSSL_ERR_MPI_DIVISION_BY_ZERO if b == 0 - */ -int mpi_div_int( mpi *Q, mpi *R, mpi *A, int b ) -{ - mpi _B; - t_int p[1]; - - p[0] = ( b < 0 ) ? -b : b; - _B.s = ( b < 0 ) ? -1 : 1; - _B.n = 1; - _B.p = p; - - return( mpi_div_mpi( Q, R, A, &_B ) ); -} - -/* - * Modulo: R = A mod B - */ -int mpi_mod_mpi( mpi *R, mpi *A, mpi *B ) -{ - int ret; - - MPI_CHK( mpi_div_mpi( NULL, R, A, B ) ); - - while( mpi_cmp_int( R, 0 ) < 0 ) - MPI_CHK( mpi_add_mpi( R, R, B ) ); - - while( mpi_cmp_mpi( R, B ) >= 0 ) - MPI_CHK( mpi_sub_mpi( R, R, B ) ); - -cleanup: - - return( ret ); -} - -/* - * Modulo: r = A mod b - */ -int mpi_mod_int( t_int *r, mpi *A, int b ) -{ - int i; - t_int x, y, z; - - if( b == 0 ) - return( POLARSSL_ERR_MPI_DIVISION_BY_ZERO ); - - if( b < 0 ) - b = -b; - - /* - * handle trivial cases - */ - if( b == 1 ) - { - *r = 0; - return( 0 ); - } - - if( b == 2 ) - { - *r = A->p[0] & 1; - return( 0 ); - } - - /* - * general case - */ - for( i = A->n - 1, y = 0; i >= 0; i-- ) - { - x = A->p[i]; - y = ( y << biH ) | ( x >> biH ); - z = y / b; - y -= z * b; - - x <<= biH; - y = ( y << biH ) | ( x >> biH ); - z = y / b; - y -= z * b; - } - - *r = y; - - return( 0 ); -} - -/* - * Fast Montgomery initialization (thanks to Tom St Denis) - */ -static void mpi_montg_init( t_int *mm, mpi *N ) -{ - t_int x, m0 = N->p[0]; - - x = m0; - x += ( ( m0 + 2 ) & 4 ) << 1; - x *= ( 2 - ( m0 * x ) ); - - if( biL >= 16 ) x *= ( 2 - ( m0 * x ) ); - if( biL >= 32 ) x *= ( 2 - ( m0 * x ) ); - if( biL >= 64 ) x *= ( 2 - ( m0 * x ) ); - - *mm = ~x + 1; -} - -/* - * Montgomery multiplication: A = A * B * R^-1 mod N (HAC 14.36) - */ -static void mpi_montmul( mpi *A, mpi *B, mpi *N, t_int mm, mpi *T ) -{ - int i, n, m; - t_int u0, u1, *d; - - memset( T->p, 0, T->n * ciL ); - - d = T->p; - n = N->n; - m = ( B->n < n ) ? B->n : n; - - for( i = 0; i < n; i++ ) - { - /* - * T = (T + u0*B + u1*N) / 2^biL - */ - u0 = A->p[i]; - u1 = ( d[0] + u0 * B->p[0] ) * mm; - - mpi_mul_hlp( m, B->p, d, u0 ); - mpi_mul_hlp( n, N->p, d, u1 ); - - *d++ = u0; d[n + 1] = 0; - } - - memcpy( A->p, d, (n + 1) * ciL ); - - if( mpi_cmp_abs( A, N ) >= 0 ) - mpi_sub_hlp( n, N->p, A->p ); - else - /* prevent timing attacks */ - mpi_sub_hlp( n, A->p, T->p ); -} - -/* - * Montgomery reduction: A = A * R^-1 mod N - */ -static void mpi_montred( mpi *A, mpi *N, t_int mm, mpi *T ) -{ - t_int z = 1; - mpi U; - - U.n = U.s = z; - U.p = &z; - - mpi_montmul( A, &U, N, mm, T ); -} - -/* - * Sliding-window exponentiation: X = A^E mod N (HAC 14.85) - */ -int mpi_exp_mod( mpi *X, mpi *A, mpi *E, mpi *N, mpi *_RR ) -{ - int ret, i, j, wsize, wbits; - int bufsize, nblimbs, nbits; - t_int ei, mm, state; - mpi RR, T, W[64]; - - if( mpi_cmp_int( N, 0 ) < 0 || ( N->p[0] & 1 ) == 0 ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - /* - * Init temps and window size - */ - mpi_montg_init( &mm, N ); - mpi_init( &RR, &T, NULL ); - memset( W, 0, sizeof( W ) ); - - i = mpi_msb( E ); - - wsize = ( i > 671 ) ? 6 : ( i > 239 ) ? 5 : - ( i > 79 ) ? 4 : ( i > 23 ) ? 3 : 1; - - j = N->n + 1; - MPI_CHK( mpi_grow( X, j ) ); - MPI_CHK( mpi_grow( &W[1], j ) ); - MPI_CHK( mpi_grow( &T, j * 2 ) ); - - /* - * If 1st call, pre-compute R^2 mod N - */ - if( _RR == NULL || _RR->p == NULL ) - { - MPI_CHK( mpi_lset( &RR, 1 ) ); - MPI_CHK( mpi_shift_l( &RR, N->n * 2 * biL ) ); - MPI_CHK( mpi_mod_mpi( &RR, &RR, N ) ); - - if( _RR != NULL ) - memcpy( _RR, &RR, sizeof( mpi ) ); - } - else - memcpy( &RR, _RR, sizeof( mpi ) ); - - /* - * W[1] = A * R^2 * R^-1 mod N = A * R mod N - */ - if( mpi_cmp_mpi( A, N ) >= 0 ) - mpi_mod_mpi( &W[1], A, N ); - else mpi_copy( &W[1], A ); - - mpi_montmul( &W[1], &RR, N, mm, &T ); - - /* - * X = R^2 * R^-1 mod N = R mod N - */ - MPI_CHK( mpi_copy( X, &RR ) ); - mpi_montred( X, N, mm, &T ); - - if( wsize > 1 ) - { - /* - * W[1 << (wsize - 1)] = W[1] ^ (wsize - 1) - */ - j = 1 << (wsize - 1); - - MPI_CHK( mpi_grow( &W[j], N->n + 1 ) ); - MPI_CHK( mpi_copy( &W[j], &W[1] ) ); - - for( i = 0; i < wsize - 1; i++ ) - mpi_montmul( &W[j], &W[j], N, mm, &T ); - - /* - * W[i] = W[i - 1] * W[1] - */ - for( i = j + 1; i < (1 << wsize); i++ ) - { - MPI_CHK( mpi_grow( &W[i], N->n + 1 ) ); - MPI_CHK( mpi_copy( &W[i], &W[i - 1] ) ); - - mpi_montmul( &W[i], &W[1], N, mm, &T ); - } - } - - nblimbs = E->n; - bufsize = 0; - nbits = 0; - wbits = 0; - state = 0; - - while( 1 ) - { - if( bufsize == 0 ) - { - if( nblimbs-- == 0 ) - break; - - bufsize = sizeof( t_int ) << 3; - } - - bufsize--; - - ei = (E->p[nblimbs] >> bufsize) & 1; - - /* - * skip leading 0s - */ - if( ei == 0 && state == 0 ) - continue; - - if( ei == 0 && state == 1 ) - { - /* - * out of window, square X - */ - mpi_montmul( X, X, N, mm, &T ); - continue; - } - - /* - * add ei to current window - */ - state = 2; - - nbits++; - wbits |= (ei << (wsize - nbits)); - - if( nbits == wsize ) - { - /* - * X = X^wsize R^-1 mod N - */ - for( i = 0; i < wsize; i++ ) - mpi_montmul( X, X, N, mm, &T ); - - /* - * X = X * W[wbits] R^-1 mod N - */ - mpi_montmul( X, &W[wbits], N, mm, &T ); - - state--; - nbits = 0; - wbits = 0; - } - } - - /* - * process the remaining bits - */ - for( i = 0; i < nbits; i++ ) - { - mpi_montmul( X, X, N, mm, &T ); - - wbits <<= 1; - - if( (wbits & (1 << wsize)) != 0 ) - mpi_montmul( X, &W[1], N, mm, &T ); - } - - /* - * X = A^E * R * R^-1 mod N = A^E mod N - */ - mpi_montred( X, N, mm, &T ); - -cleanup: - - for( i = (1 << (wsize - 1)); i < (1 << wsize); i++ ) - mpi_free( &W[i], NULL ); - - if( _RR != NULL ) - mpi_free( &W[1], &T, NULL ); - else mpi_free( &W[1], &T, &RR, NULL ); - - return( ret ); -} - -/* - * Greatest common divisor: G = gcd(A, B) (HAC 14.54) - */ -int mpi_gcd( mpi *G, mpi *A, mpi *B ) -{ - int ret, lz, lzt; - mpi TG, TA, TB; - - mpi_init( &TG, &TA, &TB, NULL ); - - MPI_CHK( mpi_copy( &TA, A ) ); - MPI_CHK( mpi_copy( &TB, B ) ); - - lz = mpi_lsb( &TA ); - lzt = mpi_lsb( &TB ); - - if ( lzt < lz ) - lz = lzt; - - MPI_CHK( mpi_shift_r( &TA, lz ) ); - MPI_CHK( mpi_shift_r( &TB, lz ) ); - - TA.s = TB.s = 1; - - while( mpi_cmp_int( &TA, 0 ) != 0 ) - { - MPI_CHK( mpi_shift_r( &TA, mpi_lsb( &TA ) ) ); - MPI_CHK( mpi_shift_r( &TB, mpi_lsb( &TB ) ) ); - - if( mpi_cmp_mpi( &TA, &TB ) >= 0 ) - { - MPI_CHK( mpi_sub_abs( &TA, &TA, &TB ) ); - MPI_CHK( mpi_shift_r( &TA, 1 ) ); - } - else - { - MPI_CHK( mpi_sub_abs( &TB, &TB, &TA ) ); - MPI_CHK( mpi_shift_r( &TB, 1 ) ); - } - } - - MPI_CHK( mpi_shift_l( &TB, lz ) ); - MPI_CHK( mpi_copy( G, &TB ) ); - -cleanup: - - mpi_free( &TB, &TA, &TG, NULL ); - - return( ret ); -} - -#if defined(POLARSSL_GENPRIME) - -/* - * Modular inverse: X = A^-1 mod N (HAC 14.61 / 14.64) - */ -int mpi_inv_mod( mpi *X, mpi *A, mpi *N ) -{ - int ret; - mpi G, TA, TU, U1, U2, TB, TV, V1, V2; - - if( mpi_cmp_int( N, 0 ) <= 0 ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - mpi_init( &TA, &TU, &U1, &U2, &G, - &TB, &TV, &V1, &V2, NULL ); - - MPI_CHK( mpi_gcd( &G, A, N ) ); - - if( mpi_cmp_int( &G, 1 ) != 0 ) - { - ret = POLARSSL_ERR_MPI_NOT_ACCEPTABLE; - goto cleanup; - } - - MPI_CHK( mpi_mod_mpi( &TA, A, N ) ); - MPI_CHK( mpi_copy( &TU, &TA ) ); - MPI_CHK( mpi_copy( &TB, N ) ); - MPI_CHK( mpi_copy( &TV, N ) ); - - MPI_CHK( mpi_lset( &U1, 1 ) ); - MPI_CHK( mpi_lset( &U2, 0 ) ); - MPI_CHK( mpi_lset( &V1, 0 ) ); - MPI_CHK( mpi_lset( &V2, 1 ) ); - - do - { - while( ( TU.p[0] & 1 ) == 0 ) - { - MPI_CHK( mpi_shift_r( &TU, 1 ) ); - - if( ( U1.p[0] & 1 ) != 0 || ( U2.p[0] & 1 ) != 0 ) - { - MPI_CHK( mpi_add_mpi( &U1, &U1, &TB ) ); - MPI_CHK( mpi_sub_mpi( &U2, &U2, &TA ) ); - } - - MPI_CHK( mpi_shift_r( &U1, 1 ) ); - MPI_CHK( mpi_shift_r( &U2, 1 ) ); - } - - while( ( TV.p[0] & 1 ) == 0 ) - { - MPI_CHK( mpi_shift_r( &TV, 1 ) ); - - if( ( V1.p[0] & 1 ) != 0 || ( V2.p[0] & 1 ) != 0 ) - { - MPI_CHK( mpi_add_mpi( &V1, &V1, &TB ) ); - MPI_CHK( mpi_sub_mpi( &V2, &V2, &TA ) ); - } - - MPI_CHK( mpi_shift_r( &V1, 1 ) ); - MPI_CHK( mpi_shift_r( &V2, 1 ) ); - } - - if( mpi_cmp_mpi( &TU, &TV ) >= 0 ) - { - MPI_CHK( mpi_sub_mpi( &TU, &TU, &TV ) ); - MPI_CHK( mpi_sub_mpi( &U1, &U1, &V1 ) ); - MPI_CHK( mpi_sub_mpi( &U2, &U2, &V2 ) ); - } - else - { - MPI_CHK( mpi_sub_mpi( &TV, &TV, &TU ) ); - MPI_CHK( mpi_sub_mpi( &V1, &V1, &U1 ) ); - MPI_CHK( mpi_sub_mpi( &V2, &V2, &U2 ) ); - } - } - while( mpi_cmp_int( &TU, 0 ) != 0 ); - - while( mpi_cmp_int( &V1, 0 ) < 0 ) - MPI_CHK( mpi_add_mpi( &V1, &V1, N ) ); - - while( mpi_cmp_mpi( &V1, N ) >= 0 ) - MPI_CHK( mpi_sub_mpi( &V1, &V1, N ) ); - - MPI_CHK( mpi_copy( X, &V1 ) ); - -cleanup: - - mpi_free( &V2, &V1, &TV, &TB, &G, - &U2, &U1, &TU, &TA, NULL ); - - return( ret ); -} - -static const int small_prime[] = -{ - 3, 5, 7, 11, 13, 17, 19, 23, - 29, 31, 37, 41, 43, 47, 53, 59, - 61, 67, 71, 73, 79, 83, 89, 97, - 101, 103, 107, 109, 113, 127, 131, 137, - 139, 149, 151, 157, 163, 167, 173, 179, - 181, 191, 193, 197, 199, 211, 223, 227, - 229, 233, 239, 241, 251, 257, 263, 269, - 271, 277, 281, 283, 293, 307, 311, 313, - 317, 331, 337, 347, 349, 353, 359, 367, - 373, 379, 383, 389, 397, 401, 409, 419, - 421, 431, 433, 439, 443, 449, 457, 461, - 463, 467, 479, 487, 491, 499, 503, 509, - 521, 523, 541, 547, 557, 563, 569, 571, - 577, 587, 593, 599, 601, 607, 613, 617, - 619, 631, 641, 643, 647, 653, 659, 661, - 673, 677, 683, 691, 701, 709, 719, 727, - 733, 739, 743, 751, 757, 761, 769, 773, - 787, 797, 809, 811, 821, 823, 827, 829, - 839, 853, 857, 859, 863, 877, 881, 883, - 887, 907, 911, 919, 929, 937, 941, 947, - 953, 967, 971, 977, 983, 991, 997, -103 -}; - -/* - * Miller-Rabin primality test (HAC 4.24) - */ -int mpi_is_prime( mpi *X, int (*f_rng)(void *), void *p_rng ) -{ - int ret, i, j, n, s, xs; - mpi W, R, T, A, RR; - unsigned char *p; - - if( mpi_cmp_int( X, 0 ) == 0 ) - return( 0 ); - - mpi_init( &W, &R, &T, &A, &RR, NULL ); - - xs = X->s; X->s = 1; - - /* - * test trivial factors first - */ - if( ( X->p[0] & 1 ) == 0 ) - return( POLARSSL_ERR_MPI_NOT_ACCEPTABLE ); - - for( i = 0; small_prime[i] > 0; i++ ) - { - t_int r; - - if( mpi_cmp_int( X, small_prime[i] ) <= 0 ) - return( 0 ); - - MPI_CHK( mpi_mod_int( &r, X, small_prime[i] ) ); - - if( r == 0 ) - return( POLARSSL_ERR_MPI_NOT_ACCEPTABLE ); - } - - /* - * W = |X| - 1 - * R = W >> lsb( W ) - */ - s = mpi_lsb( &W ); - MPI_CHK( mpi_sub_int( &W, X, 1 ) ); - MPI_CHK( mpi_copy( &R, &W ) ); - MPI_CHK( mpi_shift_r( &R, s ) ); - - i = mpi_msb( X ); - /* - * HAC, table 4.4 - */ - n = ( ( i >= 1300 ) ? 2 : ( i >= 850 ) ? 3 : - ( i >= 650 ) ? 4 : ( i >= 350 ) ? 8 : - ( i >= 250 ) ? 12 : ( i >= 150 ) ? 18 : 27 ); - - for( i = 0; i < n; i++ ) - { - /* - * pick a random A, 1 < A < |X| - 1 - */ - MPI_CHK( mpi_grow( &A, X->n ) ); - - p = (unsigned char *) A.p; - for( j = 0; j < A.n * ciL; j++ ) - *p++ = (unsigned char) f_rng( p_rng ); - - j = mpi_msb( &A ) - mpi_msb( &W ); - MPI_CHK( mpi_shift_r( &A, j + 1 ) ); - A.p[0] |= 3; - - /* - * A = A^R mod |X| - */ - MPI_CHK( mpi_exp_mod( &A, &A, &R, X, &RR ) ); - - if( mpi_cmp_mpi( &A, &W ) == 0 || - mpi_cmp_int( &A, 1 ) == 0 ) - continue; - - j = 1; - while( j < s && mpi_cmp_mpi( &A, &W ) != 0 ) - { - /* - * A = A * A mod |X| - */ - MPI_CHK( mpi_mul_mpi( &T, &A, &A ) ); - MPI_CHK( mpi_mod_mpi( &A, &T, X ) ); - - if( mpi_cmp_int( &A, 1 ) == 0 ) - break; - - j++; - } - - /* - * not prime if A != |X| - 1 or A == 1 - */ - if( mpi_cmp_mpi( &A, &W ) != 0 || - mpi_cmp_int( &A, 1 ) == 0 ) - { - ret = POLARSSL_ERR_MPI_NOT_ACCEPTABLE; - break; - } - } - -cleanup: - - X->s = xs; - - mpi_free( &RR, &A, &T, &R, &W, NULL ); - - return( ret ); -} - -/* - * Prime number generation - */ -int mpi_gen_prime( mpi *X, int nbits, int dh_flag, - int (*f_rng)(void *), void *p_rng ) -{ - int ret, k, n; - unsigned char *p; - mpi Y; - - if( nbits < 3 ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - mpi_init( &Y, NULL ); - - n = BITS_TO_LIMBS( nbits ); - - MPI_CHK( mpi_grow( X, n ) ); - MPI_CHK( mpi_lset( X, 0 ) ); - - p = (unsigned char *) X->p; - for( k = 0; k < X->n * ciL; k++ ) - *p++ = (unsigned char) f_rng( p_rng ); - - k = mpi_msb( X ); - if( k < nbits ) MPI_CHK( mpi_shift_l( X, nbits - k ) ); - if( k > nbits ) MPI_CHK( mpi_shift_r( X, k - nbits ) ); - - X->p[0] |= 3; - - if( dh_flag == 0 ) - { - while( ( ret = mpi_is_prime( X, f_rng, p_rng ) ) != 0 ) - { - if( ret != POLARSSL_ERR_MPI_NOT_ACCEPTABLE ) - goto cleanup; - - MPI_CHK( mpi_add_int( X, X, 2 ) ); - } - } - else - { - MPI_CHK( mpi_sub_int( &Y, X, 1 ) ); - MPI_CHK( mpi_shift_r( &Y, 1 ) ); - - while( 1 ) - { - if( ( ret = mpi_is_prime( X, f_rng, p_rng ) ) == 0 ) - { - if( ( ret = mpi_is_prime( &Y, f_rng, p_rng ) ) == 0 ) - break; - - if( ret != POLARSSL_ERR_MPI_NOT_ACCEPTABLE ) - goto cleanup; - } - - if( ret != POLARSSL_ERR_MPI_NOT_ACCEPTABLE ) - goto cleanup; - - MPI_CHK( mpi_add_int( &Y, X, 1 ) ); - MPI_CHK( mpi_add_int( X, X, 2 ) ); - MPI_CHK( mpi_shift_r( &Y, 1 ) ); - } - } - -cleanup: - - mpi_free( &Y, NULL ); - - return( ret ); -} - -#endif - -#if defined(POLARSSL_SELF_TEST) - -#define GCD_PAIR_COUNT 3 - -static const int gcd_pairs[GCD_PAIR_COUNT][3] = -{ - { 693, 609, 21 }, - { 1764, 868, 28 }, - { 768454923, 542167814, 1 } -}; - -/* - * Checkup routine - */ -int mpi_self_test( int verbose ) -{ - int ret, i; - mpi A, E, N, X, Y, U, V; - - mpi_init( &A, &E, &N, &X, &Y, &U, &V, NULL ); - - MPI_CHK( mpi_read_string( &A, 16, - "EFE021C2645FD1DC586E69184AF4A31E" \ - "D5F53E93B5F123FA41680867BA110131" \ - "944FE7952E2517337780CB0DB80E61AA" \ - "E7C8DDC6C5C6AADEB34EB38A2F40D5E6" ) ); - - MPI_CHK( mpi_read_string( &E, 16, - "B2E7EFD37075B9F03FF989C7C5051C20" \ - "34D2A323810251127E7BF8625A4F49A5" \ - "F3E27F4DA8BD59C47D6DAABA4C8127BD" \ - "5B5C25763222FEFCCFC38B832366C29E" ) ); - - MPI_CHK( mpi_read_string( &N, 16, - "0066A198186C18C10B2F5ED9B522752A" \ - "9830B69916E535C8F047518A889A43A5" \ - "94B6BED27A168D31D4A52F88925AA8F5" ) ); - - MPI_CHK( mpi_mul_mpi( &X, &A, &N ) ); - - MPI_CHK( mpi_read_string( &U, 16, - "602AB7ECA597A3D6B56FF9829A5E8B85" \ - "9E857EA95A03512E2BAE7391688D264A" \ - "A5663B0341DB9CCFD2C4C5F421FEC814" \ - "8001B72E848A38CAE1C65F78E56ABDEF" \ - "E12D3C039B8A02D6BE593F0BBBDA56F1" \ - "ECF677152EF804370C1A305CAF3B5BF1" \ - "30879B56C61DE584A0F53A2447A51E" ) ); - - if( verbose != 0 ) - printf( " MPI test #1 (mul_mpi): " ); - - if( mpi_cmp_mpi( &X, &U ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - - MPI_CHK( mpi_div_mpi( &X, &Y, &A, &N ) ); - - MPI_CHK( mpi_read_string( &U, 16, - "256567336059E52CAE22925474705F39A94" ) ); - - MPI_CHK( mpi_read_string( &V, 16, - "6613F26162223DF488E9CD48CC132C7A" \ - "0AC93C701B001B092E4E5B9F73BCD27B" \ - "9EE50D0657C77F374E903CDFA4C642" ) ); - - if( verbose != 0 ) - printf( " MPI test #2 (div_mpi): " ); - - if( mpi_cmp_mpi( &X, &U ) != 0 || - mpi_cmp_mpi( &Y, &V ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - - MPI_CHK( mpi_exp_mod( &X, &A, &E, &N, NULL ) ); - - MPI_CHK( mpi_read_string( &U, 16, - "36E139AEA55215609D2816998ED020BB" \ - "BD96C37890F65171D948E9BC7CBAA4D9" \ - "325D24D6A3C12710F10A09FA08AB87" ) ); - - if( verbose != 0 ) - printf( " MPI test #3 (exp_mod): " ); - - if( mpi_cmp_mpi( &X, &U ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - - MPI_CHK( mpi_inv_mod( &X, &A, &N ) ); - - MPI_CHK( mpi_read_string( &U, 16, - "003A0AAEDD7E784FC07D8F9EC6E3BFD5" \ - "C3DBA76456363A10869622EAC2DD84EC" \ - "C5B8A74DAC4D09E03B5E0BE779F2DF61" ) ); - - if( verbose != 0 ) - printf( " MPI test #4 (inv_mod): " ); - - if( mpi_cmp_mpi( &X, &U ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - - if( verbose != 0 ) - printf( " MPI test #5 (simple gcd): " ); - - for ( i = 0; i < GCD_PAIR_COUNT; i++) - { - MPI_CHK( mpi_lset( &X, gcd_pairs[i][0] ) ); - MPI_CHK( mpi_lset( &Y, gcd_pairs[i][1] ) ); - - MPI_CHK( mpi_gcd( &A, &X, &Y ) ); - - if( mpi_cmp_int( &A, gcd_pairs[i][2] ) != 0 ) - { - if( verbose != 0 ) - printf( "failed at %d\n", i ); - - return( 1 ); - } - } - - if( verbose != 0 ) - printf( "passed\n" ); - -cleanup: - - if( ret != 0 && verbose != 0 ) - printf( "Unexpected error, return code = %08X\n", ret ); - - mpi_free( &V, &U, &Y, &X, &N, &E, &A, NULL ); - - if( verbose != 0 ) - printf( "\n" ); - - return( ret ); -} - -#endif - -#endif diff --git a/package/px5g/src/library/havege.c b/package/px5g/src/library/havege.c deleted file mode 100644 index 266299d..0000000 --- a/package/px5g/src/library/havege.c +++ /dev/null @@ -1,276 +0,0 @@ -/* - * HAVEGE: HArdware Volatile Entropy Gathering and Expansion - * - * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine - * - * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org> - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the names of PolarSSL or XySSL nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -/* - * The HAVEGE RNG was designed by Andre Seznec in 2002. - * - * http://www.irisa.fr/caps/projects/hipsor/publi.php - * - * Contact: seznec(at)irisa_dot_fr - orocheco(at)irisa_dot_fr - */ - -#include <string.h> -#include <time.h> - -#include "polarssl/config.h" - -#if defined(POLARSSL_HAVEGE_C) - -#include "polarssl/havege.h" -#include "polarssl/timing.h" - -/* ------------------------------------------------------------------------ - * On average, one iteration accesses two 8-word blocks in the havege WALK - * table, and generates 16 words in the RES array. - * - * The data read in the WALK table is updated and permuted after each use. - * The result of the hardware clock counter read is used for this update. - * - * 25 conditional tests are present. The conditional tests are grouped in - * two nested groups of 12 conditional tests and 1 test that controls the - * permutation; on average, there should be 6 tests executed and 3 of them - * should be mispredicted. - * ------------------------------------------------------------------------ - */ - -#define SWAP(X,Y) { int *T = X; X = Y; Y = T; } - -#define TST1_ENTER if( PTEST & 1 ) { PTEST ^= 3; PTEST >>= 1; -#define TST2_ENTER if( PTEST & 1 ) { PTEST ^= 3; PTEST >>= 1; - -#define TST1_LEAVE U1++; } -#define TST2_LEAVE U2++; } - -#define ONE_ITERATION \ - \ - PTEST = PT1 >> 20; \ - \ - TST1_ENTER TST1_ENTER TST1_ENTER TST1_ENTER \ - TST1_ENTER TST1_ENTER TST1_ENTER TST1_ENTER \ - TST1_ENTER TST1_ENTER TST1_ENTER TST1_ENTER \ - \ - TST1_LEAVE TST1_LEAVE TST1_LEAVE TST1_LEAVE \ - TST1_LEAVE TST1_LEAVE TST1_LEAVE TST1_LEAVE \ - TST1_LEAVE TST1_LEAVE TST1_LEAVE TST1_LEAVE \ - \ - PTX = (PT1 >> 18) & 7; \ - PT1 &= 0x1FFF; \ - PT2 &= 0x1FFF; \ - CLK = (int) hardclock(); \ - \ - i = 0; \ - A = &WALK[PT1 ]; RES[i++] ^= *A; \ - B = &WALK[PT2 ]; RES[i++] ^= *B; \ - C = &WALK[PT1 ^ 1]; RES[i++] ^= *C; \ - D = &WALK[PT2 ^ 4]; RES[i++] ^= *D; \ - \ - IN = (*A >> (1)) ^ (*A << (31)) ^ CLK; \ - *A = (*B >> (2)) ^ (*B << (30)) ^ CLK; \ - *B = IN ^ U1; \ - *C = (*C >> (3)) ^ (*C << (29)) ^ CLK; \ - *D = (*D >> (4)) ^ (*D << (28)) ^ CLK; \ - \ - A = &WALK[PT1 ^ 2]; RES[i++] ^= *A; \ - B = &WALK[PT2 ^ 2]; RES[i++] ^= *B; \ - C = &WALK[PT1 ^ 3]; RES[i++] ^= *C; \ - D = &WALK[PT2 ^ 6]; RES[i++] ^= *D; \ - \ - if( PTEST & 1 ) SWAP( A, C ); \ - \ - IN = (*A >> (5)) ^ (*A << (27)) ^ CLK; \ - *A = (*B >> (6)) ^ (*B << (26)) ^ CLK; \ - *B = IN; CLK = (int) hardclock(); \ - *C = (*C >> (7)) ^ (*C << (25)) ^ CLK; \ - *D = (*D >> (8)) ^ (*D << (24)) ^ CLK; \ - \ - A = &WALK[PT1 ^ 4]; \ - B = &WALK[PT2 ^ 1]; \ - \ - PTEST = PT2 >> 1; \ - \ - PT2 = (RES[(i - 8) ^ PTY] ^ WALK[PT2 ^ PTY ^ 7]); \ - PT2 = ((PT2 & 0x1FFF) & (~8)) ^ ((PT1 ^ 8) & 0x8); \ - PTY = (PT2 >> 10) & 7; \ - \ - TST2_ENTER TST2_ENTER TST2_ENTER TST2_ENTER \ - TST2_ENTER TST2_ENTER TST2_ENTER TST2_ENTER \ - TST2_ENTER TST2_ENTER TST2_ENTER TST2_ENTER \ - \ - TST2_LEAVE TST2_LEAVE TST2_LEAVE TST2_LEAVE \ - TST2_LEAVE TST2_LEAVE TST2_LEAVE TST2_LEAVE \ - TST2_LEAVE TST2_LEAVE TST2_LEAVE TST2_LEAVE \ - \ - C = &WALK[PT1 ^ 5]; \ - D = &WALK[PT2 ^ 5]; \ - \ - RES[i++] ^= *A; \ - RES[i++] ^= *B; \ - RES[i++] ^= *C; \ - RES[i++] ^= *D; \ - \ - IN = (*A >> ( 9)) ^ (*A << (23)) ^ CLK; \ - *A = (*B >> (10)) ^ (*B << (22)) ^ CLK; \ - *B = IN ^ U2; \ - *C = (*C >> (11)) ^ (*C << (21)) ^ CLK; \ - *D = (*D >> (12)) ^ (*D << (20)) ^ CLK; \ - \ - A = &WALK[PT1 ^ 6]; RES[i++] ^= *A; \ - B = &WALK[PT2 ^ 3]; RES[i++] ^= *B; \ - C = &WALK[PT1 ^ 7]; RES[i++] ^= *C; \ - D = &WALK[PT2 ^ 7]; RES[i++] ^= *D; \ - \ - IN = (*A >> (13)) ^ (*A << (19)) ^ CLK; \ - *A = (*B >> (14)) ^ (*B << (18)) ^ CLK; \ - *B = IN; \ - *C = (*C >> (15)) ^ (*C << (17)) ^ CLK; \ - *D = (*D >> (16)) ^ (*D << (16)) ^ CLK; \ - \ - PT1 = ( RES[(i - 8) ^ PTX] ^ \ - WALK[PT1 ^ PTX ^ 7] ) & (~1); \ - PT1 ^= (PT2 ^ 0x10) & 0x10; \ - \ - for( n++, i = 0; i < 16; i++ ) \ - hs->pool[n % COLLECT_SIZE] ^= RES[i]; - -/* - * Entropy gathering function - */ -static void havege_fill( havege_state *hs ) -{ - int i, n = 0; - int U1, U2, *A, *B, *C, *D; - int PT1, PT2, *WALK, RES[16]; - int PTX, PTY, CLK, PTEST, IN; - - WALK = hs->WALK; - PT1 = hs->PT1; - PT2 = hs->PT2; - - PTX = U1 = 0; - PTY = U2 = 0; - - memset( RES, 0, sizeof( RES ) ); - - while( n < COLLECT_SIZE * 4 ) - { - ONE_ITERATION - ONE_ITERATION - ONE_ITERATION - ONE_ITERATION - } - - hs->PT1 = PT1; - hs->PT2 = PT2; - - hs->offset[0] = 0; - hs->offset[1] = COLLECT_SIZE / 2; -} - -/* - * HAVEGE initialization - */ -void havege_init( havege_state *hs ) -{ - memset( hs, 0, sizeof( havege_state ) ); - - havege_fill( hs ); -} - -/* - * HAVEGE rand function - */ -int havege_rand( void *p_rng ) -{ - int ret; - havege_state *hs = (havege_state *) p_rng; - - if( hs->offset[1] >= COLLECT_SIZE ) - havege_fill( hs ); - - ret = hs->pool[hs->offset[0]++]; - ret ^= hs->pool[hs->offset[1]++]; - - return( ret ); -} - -#if defined(POLARSSL_RAND_TEST) - -#include <stdio.h> - -int main( int argc, char *argv[] ) -{ - FILE *f; - time_t t; - int i, j, k; - havege_state hs; - unsigned char buf[1024]; - - if( argc < 2 ) - { - fprintf( stderr, "usage: %s <output filename>\n", argv[0] ); - return( 1 ); - } - - if( ( f = fopen( argv[1], "wb+" ) ) == NULL ) - { - printf( "failed to open '%s' for writing.\n", argv[0] ); - return( 1 ); - } - - havege_init( &hs ); - - t = time( NULL ); - - for( i = 0, k = 32768; i < k; i++ ) - { - for( j = 0; j < sizeof( buf ); j++ ) - buf[j] = havege_rand( &hs ); - - fwrite( buf, sizeof( buf ), 1, f ); - - printf( "Generating 32Mb of data in file '%s'... %04.1f" \ - "%% done\r", argv[1], (100 * (float) (i + 1)) / k ); - fflush( stdout ); - } - - if( t == time( NULL ) ) - t--; - - fclose( f ); - return( 0 ); -} - -#endif - -#endif diff --git a/package/px5g/src/library/rsa.c b/package/px5g/src/library/rsa.c deleted file mode 100644 index 131b6c6..0000000 --- a/package/px5g/src/library/rsa.c +++ /dev/null @@ -1,750 +0,0 @@ -/* - * The RSA public-key cryptosystem - * - * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine - * - * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org> - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the names of PolarSSL or XySSL nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -/* - * RSA was designed by Ron Rivest, Adi Shamir and Len Adleman. - * - * http://theory.lcs.mit.edu/~rivest/rsapaper.pdf - * http://www.cacr.math.uwaterloo.ca/hac/about/chap8.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_RSA_C) - -#include "polarssl/rsa.h" - -#include <stdlib.h> -#include <string.h> -#include <stdio.h> - -/* - * Initialize an RSA context - */ -void rsa_init( rsa_context *ctx, - int padding, - int hash_id, - int (*f_rng)(void *), - void *p_rng ) -{ - memset( ctx, 0, sizeof( rsa_context ) ); - - ctx->padding = padding; - ctx->hash_id = hash_id; - - ctx->f_rng = f_rng; - ctx->p_rng = p_rng; -} - -#if defined(POLARSSL_GENPRIME) - -/* - * Generate an RSA keypair - */ -int rsa_gen_key( rsa_context *ctx, int nbits, int exponent ) -{ - int ret; - mpi P1, Q1, H, G; - - if( ctx->f_rng == NULL || nbits < 128 || exponent < 3 ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - mpi_init( &P1, &Q1, &H, &G, NULL ); - - /* - * find primes P and Q with Q < P so that: - * GCD( E, (P-1)*(Q-1) ) == 1 - */ - MPI_CHK( mpi_lset( &ctx->E, exponent ) ); - - do - { - MPI_CHK( mpi_gen_prime( &ctx->P, ( nbits + 1 ) >> 1, 0, - ctx->f_rng, ctx->p_rng ) ); - - MPI_CHK( mpi_gen_prime( &ctx->Q, ( nbits + 1 ) >> 1, 0, - ctx->f_rng, ctx->p_rng ) ); - - if( mpi_cmp_mpi( &ctx->P, &ctx->Q ) < 0 ) - mpi_swap( &ctx->P, &ctx->Q ); - - if( mpi_cmp_mpi( &ctx->P, &ctx->Q ) == 0 ) - continue; - - MPI_CHK( mpi_mul_mpi( &ctx->N, &ctx->P, &ctx->Q ) ); - if( mpi_msb( &ctx->N ) != nbits ) - continue; - - MPI_CHK( mpi_sub_int( &P1, &ctx->P, 1 ) ); - MPI_CHK( mpi_sub_int( &Q1, &ctx->Q, 1 ) ); - MPI_CHK( mpi_mul_mpi( &H, &P1, &Q1 ) ); - MPI_CHK( mpi_gcd( &G, &ctx->E, &H ) ); - } - while( mpi_cmp_int( &G, 1 ) != 0 ); - - /* - * D = E^-1 mod ((P-1)*(Q-1)) - * DP = D mod (P - 1) - * DQ = D mod (Q - 1) - * QP = Q^-1 mod P - */ - MPI_CHK( mpi_inv_mod( &ctx->D , &ctx->E, &H ) ); - MPI_CHK( mpi_mod_mpi( &ctx->DP, &ctx->D, &P1 ) ); - MPI_CHK( mpi_mod_mpi( &ctx->DQ, &ctx->D, &Q1 ) ); - MPI_CHK( mpi_inv_mod( &ctx->QP, &ctx->Q, &ctx->P ) ); - - ctx->len = ( mpi_msb( &ctx->N ) + 7 ) >> 3; - -cleanup: - - mpi_free( &G, &H, &Q1, &P1, NULL ); - - if( ret != 0 ) - { - rsa_free( ctx ); - return( POLARSSL_ERR_RSA_KEY_GEN_FAILED | ret ); - } - - return( 0 ); -} - -#endif - -/* - * Check a public RSA key - */ -int rsa_check_pubkey( rsa_context *ctx ) -{ - if( ( ctx->N.p[0] & 1 ) == 0 || - ( ctx->E.p[0] & 1 ) == 0 ) - return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED ); - - if( mpi_msb( &ctx->N ) < 128 || - mpi_msb( &ctx->N ) > 4096 ) - return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED ); - - if( mpi_msb( &ctx->E ) < 2 || - mpi_msb( &ctx->E ) > 64 ) - return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED ); - - return( 0 ); -} - -/* - * Check a private RSA key - */ -int rsa_check_privkey( rsa_context *ctx ) -{ - int ret; - mpi PQ, DE, P1, Q1, H, I, G; - - if( ( ret = rsa_check_pubkey( ctx ) ) != 0 ) - return( ret ); - - mpi_init( &PQ, &DE, &P1, &Q1, &H, &I, &G, NULL ); - - MPI_CHK( mpi_mul_mpi( &PQ, &ctx->P, &ctx->Q ) ); - MPI_CHK( mpi_mul_mpi( &DE, &ctx->D, &ctx->E ) ); - MPI_CHK( mpi_sub_int( &P1, &ctx->P, 1 ) ); - MPI_CHK( mpi_sub_int( &Q1, &ctx->Q, 1 ) ); - MPI_CHK( mpi_mul_mpi( &H, &P1, &Q1 ) ); - MPI_CHK( mpi_mod_mpi( &I, &DE, &H ) ); - MPI_CHK( mpi_gcd( &G, &ctx->E, &H ) ); - - if( mpi_cmp_mpi( &PQ, &ctx->N ) == 0 && - mpi_cmp_int( &I, 1 ) == 0 && - mpi_cmp_int( &G, 1 ) == 0 ) - { - mpi_free( &G, &I, &H, &Q1, &P1, &DE, &PQ, NULL ); - return( 0 ); - } - -cleanup: - - mpi_free( &G, &I, &H, &Q1, &P1, &DE, &PQ, NULL ); - return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED | ret ); -} - -/* - * Do an RSA public key operation - */ -int rsa_public( rsa_context *ctx, - unsigned char *input, - unsigned char *output ) -{ - int ret, olen; - mpi T; - - mpi_init( &T, NULL ); - - MPI_CHK( mpi_read_binary( &T, input, ctx->len ) ); - - if( mpi_cmp_mpi( &T, &ctx->N ) >= 0 ) - { - mpi_free( &T, NULL ); - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - - olen = ctx->len; - MPI_CHK( mpi_exp_mod( &T, &T, &ctx->E, &ctx->N, &ctx->RN ) ); - MPI_CHK( mpi_write_binary( &T, output, olen ) ); - -cleanup: - - mpi_free( &T, NULL ); - - if( ret != 0 ) - return( POLARSSL_ERR_RSA_PUBLIC_FAILED | ret ); - - return( 0 ); -} - -/* - * Do an RSA private key operation - */ -int rsa_private( rsa_context *ctx, - unsigned char *input, - unsigned char *output ) -{ - int ret, olen; - mpi T, T1, T2; - - mpi_init( &T, &T1, &T2, NULL ); - - MPI_CHK( mpi_read_binary( &T, input, ctx->len ) ); - - if( mpi_cmp_mpi( &T, &ctx->N ) >= 0 ) - { - mpi_free( &T, NULL ); - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - -#if 0 - MPI_CHK( mpi_exp_mod( &T, &T, &ctx->D, &ctx->N, &ctx->RN ) ); -#else - /* - * faster decryption using the CRT - * - * T1 = input ^ dP mod P - * T2 = input ^ dQ mod Q - */ - MPI_CHK( mpi_exp_mod( &T1, &T, &ctx->DP, &ctx->P, &ctx->RP ) ); - MPI_CHK( mpi_exp_mod( &T2, &T, &ctx->DQ, &ctx->Q, &ctx->RQ ) ); - - /* - * T = (T1 - T2) * (Q^-1 mod P) mod P - */ - MPI_CHK( mpi_sub_mpi( &T, &T1, &T2 ) ); - MPI_CHK( mpi_mul_mpi( &T1, &T, &ctx->QP ) ); - MPI_CHK( mpi_mod_mpi( &T, &T1, &ctx->P ) ); - - /* - * output = T2 + T * Q - */ - MPI_CHK( mpi_mul_mpi( &T1, &T, &ctx->Q ) ); - MPI_CHK( mpi_add_mpi( &T, &T2, &T1 ) ); -#endif - - olen = ctx->len; - MPI_CHK( mpi_write_binary( &T, output, olen ) ); - -cleanup: - - mpi_free( &T, &T1, &T2, NULL ); - - if( ret != 0 ) - return( POLARSSL_ERR_RSA_PRIVATE_FAILED | ret ); - - return( 0 ); -} - -/* - * Add the message padding, then do an RSA operation - */ -int rsa_pkcs1_encrypt( rsa_context *ctx, - int mode, int ilen, - unsigned char *input, - unsigned char *output ) -{ - int nb_pad, olen; - unsigned char *p = output; - - olen = ctx->len; - - switch( ctx->padding ) - { - case RSA_PKCS_V15: - - if( ilen < 0 || olen < ilen + 11 ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - nb_pad = olen - 3 - ilen; - - *p++ = 0; - *p++ = RSA_CRYPT; - - while( nb_pad-- > 0 ) - { - do { - *p = (unsigned char) rand(); - } while( *p == 0 ); - p++; - } - *p++ = 0; - memcpy( p, input, ilen ); - break; - - default: - - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - } - - return( ( mode == RSA_PUBLIC ) - ? rsa_public( ctx, output, output ) - : rsa_private( ctx, output, output ) ); -} - -/* - * Do an RSA operation, then remove the message padding - */ -int rsa_pkcs1_decrypt( rsa_context *ctx, - int mode, int *olen, - unsigned char *input, - unsigned char *output, - int output_max_len) -{ - int ret, ilen; - unsigned char *p; - unsigned char buf[512]; - - ilen = ctx->len; - - if( ilen < 16 || ilen > (int) sizeof( buf ) ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - ret = ( mode == RSA_PUBLIC ) - ? rsa_public( ctx, input, buf ) - : rsa_private( ctx, input, buf ); - - if( ret != 0 ) - return( ret ); - - p = buf; - - switch( ctx->padding ) - { - case RSA_PKCS_V15: - - if( *p++ != 0 || *p++ != RSA_CRYPT ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - - while( *p != 0 ) - { - if( p >= buf + ilen - 1 ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - p++; - } - p++; - break; - - default: - - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - } - - if (ilen - (int)(p - buf) > output_max_len) - return( POLARSSL_ERR_RSA_OUTPUT_TO_LARGE ); - - *olen = ilen - (int)(p - buf); - memcpy( output, p, *olen ); - - return( 0 ); -} - -/* - * Do an RSA operation to sign the message digest - */ -int rsa_pkcs1_sign( rsa_context *ctx, - int mode, - int hash_id, - int hashlen, - unsigned char *hash, - unsigned char *sig ) -{ - int nb_pad, olen; - unsigned char *p = sig; - - olen = ctx->len; - - switch( ctx->padding ) - { - case RSA_PKCS_V15: - - switch( hash_id ) - { - case RSA_RAW: - nb_pad = olen - 3 - hashlen; - break; - - case RSA_MD2: - case RSA_MD4: - case RSA_MD5: - nb_pad = olen - 3 - 34; - break; - - case RSA_SHA1: - nb_pad = olen - 3 - 35; - break; - - default: - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - - if( nb_pad < 8 ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - *p++ = 0; - *p++ = RSA_SIGN; - memset( p, 0xFF, nb_pad ); - p += nb_pad; - *p++ = 0; - break; - - default: - - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - } - - switch( hash_id ) - { - case RSA_RAW: - memcpy( p, hash, hashlen ); - break; - - case RSA_MD2: - memcpy( p, ASN1_HASH_MDX, 18 ); - memcpy( p + 18, hash, 16 ); - p[13] = 2; break; - - case RSA_MD4: - memcpy( p, ASN1_HASH_MDX, 18 ); - memcpy( p + 18, hash, 16 ); - p[13] = 4; break; - - case RSA_MD5: - memcpy( p, ASN1_HASH_MDX, 18 ); - memcpy( p + 18, hash, 16 ); - p[13] = 5; break; - - case RSA_SHA1: - memcpy( p, ASN1_HASH_SHA1, 15 ); - memcpy( p + 15, hash, 20 ); - break; - - default: - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - - return( ( mode == RSA_PUBLIC ) - ? rsa_public( ctx, sig, sig ) - : rsa_private( ctx, sig, sig ) ); -} - -/* - * Do an RSA operation and check the message digest - */ -int rsa_pkcs1_verify( rsa_context *ctx, - int mode, - int hash_id, - int hashlen, - unsigned char *hash, - unsigned char *sig ) -{ - int ret, len, siglen; - unsigned char *p, c; - unsigned char buf[512]; - - siglen = ctx->len; - - if( siglen < 16 || siglen > (int) sizeof( buf ) ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - ret = ( mode == RSA_PUBLIC ) - ? rsa_public( ctx, sig, buf ) - : rsa_private( ctx, sig, buf ); - - if( ret != 0 ) - return( ret ); - - p = buf; - - switch( ctx->padding ) - { - case RSA_PKCS_V15: - - if( *p++ != 0 || *p++ != RSA_SIGN ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - - while( *p != 0 ) - { - if( p >= buf + siglen - 1 || *p != 0xFF ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - p++; - } - p++; - break; - - default: - - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - } - - len = siglen - (int)( p - buf ); - - if( len == 34 ) - { - c = p[13]; - p[13] = 0; - - if( memcmp( p, ASN1_HASH_MDX, 18 ) != 0 ) - return( POLARSSL_ERR_RSA_VERIFY_FAILED ); - - if( ( c == 2 && hash_id == RSA_MD2 ) || - ( c == 4 && hash_id == RSA_MD4 ) || - ( c == 5 && hash_id == RSA_MD5 ) ) - { - if( memcmp( p + 18, hash, 16 ) == 0 ) - return( 0 ); - else - return( POLARSSL_ERR_RSA_VERIFY_FAILED ); - } - } - - if( len == 35 && hash_id == RSA_SHA1 ) - { - if( memcmp( p, ASN1_HASH_SHA1, 15 ) == 0 && - memcmp( p + 15, hash, 20 ) == 0 ) - return( 0 ); - else - return( POLARSSL_ERR_RSA_VERIFY_FAILED ); - } - - if( len == hashlen && hash_id == RSA_RAW ) - { - if( memcmp( p, hash, hashlen ) == 0 ) - return( 0 ); - else - return( POLARSSL_ERR_RSA_VERIFY_FAILED ); - } - - return( POLARSSL_ERR_RSA_INVALID_PADDING ); -} - -/* - * Free the components of an RSA key - */ -void rsa_free( rsa_context *ctx ) -{ - mpi_free( &ctx->RQ, &ctx->RP, &ctx->RN, - &ctx->QP, &ctx->DQ, &ctx->DP, - &ctx->Q, &ctx->P, &ctx->D, - &ctx->E, &ctx->N, NULL ); -} - -#if defined(POLARSSL_SELF_TEST) - -#include "polarssl/sha1.h" - -/* - * Example RSA-1024 keypair, for test purposes - */ -#define KEY_LEN 128 - -#define RSA_N "9292758453063D803DD603D5E777D788" \ - "8ED1D5BF35786190FA2F23EBC0848AEA" \ - "DDA92CA6C3D80B32C4D109BE0F36D6AE" \ - "7130B9CED7ACDF54CFC7555AC14EEBAB" \ - "93A89813FBF3C4F8066D2D800F7C38A8" \ - "1AE31942917403FF4946B0A83D3D3E05" \ - "EE57C6F5F5606FB5D4BC6CD34EE0801A" \ - "5E94BB77B07507233A0BC7BAC8F90F79" - -#define RSA_E "10001" - -#define RSA_D "24BF6185468786FDD303083D25E64EFC" \ - "66CA472BC44D253102F8B4A9D3BFA750" \ - "91386C0077937FE33FA3252D28855837" \ - "AE1B484A8A9A45F7EE8C0C634F99E8CD" \ - "DF79C5CE07EE72C7F123142198164234" \ - "CABB724CF78B8173B9F880FC86322407" \ - "AF1FEDFDDE2BEB674CA15F3E81A1521E" \ - "071513A1E85B5DFA031F21ECAE91A34D" - -#define RSA_P "C36D0EB7FCD285223CFB5AABA5BDA3D8" \ - "2C01CAD19EA484A87EA4377637E75500" \ - "FCB2005C5C7DD6EC4AC023CDA285D796" \ - "C3D9E75E1EFC42488BB4F1D13AC30A57" - -#define RSA_Q "C000DF51A7C77AE8D7C7370C1FF55B69" \ - "E211C2B9E5DB1ED0BF61D0D9899620F4" \ - "910E4168387E3C30AA1E00C339A79508" \ - "8452DD96A9A5EA5D9DCA68DA636032AF" - -#define RSA_DP "C1ACF567564274FB07A0BBAD5D26E298" \ - "3C94D22288ACD763FD8E5600ED4A702D" \ - "F84198A5F06C2E72236AE490C93F07F8" \ - "3CC559CD27BC2D1CA488811730BB5725" - -#define RSA_DQ "4959CBF6F8FEF750AEE6977C155579C7" \ - "D8AAEA56749EA28623272E4F7D0592AF" \ - "7C1F1313CAC9471B5C523BFE592F517B" \ - "407A1BD76C164B93DA2D32A383E58357" - -#define RSA_QP "9AE7FBC99546432DF71896FC239EADAE" \ - "F38D18D2B2F0E2DD275AA977E2BF4411" \ - "F5A3B2A5D33605AEBBCCBA7FEB9F2D2F" \ - "A74206CEC169D74BF5A8C50D6F48EA08" - -#define PT_LEN 24 -#define RSA_PT "\xAA\xBB\xCC\x03\x02\x01\x00\xFF\xFF\xFF\xFF\xFF" \ - "\x11\x22\x33\x0A\x0B\x0C\xCC\xDD\xDD\xDD\xDD\xDD" - -/* - * Checkup routine - */ -int rsa_self_test( int verbose ) -{ - int len; - rsa_context rsa; - unsigned char sha1sum[20]; - unsigned char rsa_plaintext[PT_LEN]; - unsigned char rsa_decrypted[PT_LEN]; - unsigned char rsa_ciphertext[KEY_LEN]; - - memset( &rsa, 0, sizeof( rsa_context ) ); - - rsa.len = KEY_LEN; - mpi_read_string( &rsa.N , 16, RSA_N ); - mpi_read_string( &rsa.E , 16, RSA_E ); - mpi_read_string( &rsa.D , 16, RSA_D ); - mpi_read_string( &rsa.P , 16, RSA_P ); - mpi_read_string( &rsa.Q , 16, RSA_Q ); - mpi_read_string( &rsa.DP, 16, RSA_DP ); - mpi_read_string( &rsa.DQ, 16, RSA_DQ ); - mpi_read_string( &rsa.QP, 16, RSA_QP ); - - if( verbose != 0 ) - printf( " RSA key validation: " ); - - if( rsa_check_pubkey( &rsa ) != 0 || - rsa_check_privkey( &rsa ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n PKCS#1 encryption : " ); - - memcpy( rsa_plaintext, RSA_PT, PT_LEN ); - - if( rsa_pkcs1_encrypt( &rsa, RSA_PUBLIC, PT_LEN, - rsa_plaintext, rsa_ciphertext ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n PKCS#1 decryption : " ); - - if( rsa_pkcs1_decrypt( &rsa, RSA_PRIVATE, &len, - rsa_ciphertext, rsa_decrypted, - sizeof(rsa_decrypted) ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( memcmp( rsa_decrypted, rsa_plaintext, len ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n PKCS#1 data sign : " ); - - sha1( rsa_plaintext, PT_LEN, sha1sum ); - - if( rsa_pkcs1_sign( &rsa, RSA_PRIVATE, RSA_SHA1, 20, - sha1sum, rsa_ciphertext ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n PKCS#1 sig. verify: " ); - - if( rsa_pkcs1_verify( &rsa, RSA_PUBLIC, RSA_SHA1, 20, - sha1sum, rsa_ciphertext ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n\n" ); - - rsa_free( &rsa ); - - return( 0 ); -} - -#endif - -#endif diff --git a/package/px5g/src/library/sha1.c b/package/px5g/src/library/sha1.c deleted file mode 100644 index 54a4416..0000000 --- a/package/px5g/src/library/sha1.c +++ /dev/null @@ -1,622 +0,0 @@ -/* - * FIPS-180-1 compliant SHA-1 implementation - * - * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine - * - * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org> - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the names of PolarSSL or XySSL nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -/* - * The SHA-1 standard was published by NIST in 1993. - * - * http://www.itl.nist.gov/fipspubs/fip180-1.htm - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_SHA1_C) - -#include "polarssl/sha1.h" - -#include <string.h> -#include <stdio.h> - -/* - * 32-bit integer manipulation macros (big endian) - */ -#ifndef GET_ULONG_BE -#define GET_ULONG_BE(n,b,i) \ -{ \ - (n) = ( (unsigned long) (b)[(i) ] << 24 ) \ - | ( (unsigned long) (b)[(i) + 1] << 16 ) \ - | ( (unsigned long) (b)[(i) + 2] << 8 ) \ - | ( (unsigned long) (b)[(i) + 3] ); \ -} -#endif - -#ifndef PUT_ULONG_BE -#define PUT_ULONG_BE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) ); \ -} -#endif - -/* - * SHA-1 context setup - */ -void sha1_starts( sha1_context *ctx ) -{ - ctx->total[0] = 0; - ctx->total[1] = 0; - - ctx->state[0] = 0x67452301; - ctx->state[1] = 0xEFCDAB89; - ctx->state[2] = 0x98BADCFE; - ctx->state[3] = 0x10325476; - ctx->state[4] = 0xC3D2E1F0; -} - -static void sha1_process( sha1_context *ctx, unsigned char data[64] ) -{ - unsigned long temp, W[16], A, B, C, D, E; - - GET_ULONG_BE( W[ 0], data, 0 ); - GET_ULONG_BE( W[ 1], data, 4 ); - GET_ULONG_BE( W[ 2], data, 8 ); - GET_ULONG_BE( W[ 3], data, 12 ); - GET_ULONG_BE( W[ 4], data, 16 ); - GET_ULONG_BE( W[ 5], data, 20 ); - GET_ULONG_BE( W[ 6], data, 24 ); - GET_ULONG_BE( W[ 7], data, 28 ); - GET_ULONG_BE( W[ 8], data, 32 ); - GET_ULONG_BE( W[ 9], data, 36 ); - GET_ULONG_BE( W[10], data, 40 ); - GET_ULONG_BE( W[11], data, 44 ); - GET_ULONG_BE( W[12], data, 48 ); - GET_ULONG_BE( W[13], data, 52 ); - GET_ULONG_BE( W[14], data, 56 ); - GET_ULONG_BE( W[15], data, 60 ); - -#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n))) - -#define R(t) \ -( \ - temp = W[(t - 3) & 0x0F] ^ W[(t - 8) & 0x0F] ^ \ - W[(t - 14) & 0x0F] ^ W[ t & 0x0F], \ - ( W[t & 0x0F] = S(temp,1) ) \ -) - -#define P(a,b,c,d,e,x) \ -{ \ - e += S(a,5) + F(b,c,d) + K + x; b = S(b,30); \ -} - - A = ctx->state[0]; - B = ctx->state[1]; - C = ctx->state[2]; - D = ctx->state[3]; - E = ctx->state[4]; - -#define F(x,y,z) (z ^ (x & (y ^ z))) -#define K 0x5A827999 - - P( A, B, C, D, E, W[0] ); - P( E, A, B, C, D, W[1] ); - P( D, E, A, B, C, W[2] ); - P( C, D, E, A, B, W[3] ); - P( B, C, D, E, A, W[4] ); - P( A, B, C, D, E, W[5] ); - P( E, A, B, C, D, W[6] ); - P( D, E, A, B, C, W[7] ); - P( C, D, E, A, B, W[8] ); - P( B, C, D, E, A, W[9] ); - P( A, B, C, D, E, W[10] ); - P( E, A, B, C, D, W[11] ); - P( D, E, A, B, C, W[12] ); - P( C, D, E, A, B, W[13] ); - P( B, C, D, E, A, W[14] ); - P( A, B, C, D, E, W[15] ); - P( E, A, B, C, D, R(16) ); - P( D, E, A, B, C, R(17) ); - P( C, D, E, A, B, R(18) ); - P( B, C, D, E, A, R(19) ); - -#undef K -#undef F - -#define F(x,y,z) (x ^ y ^ z) -#define K 0x6ED9EBA1 - - P( A, B, C, D, E, R(20) ); - P( E, A, B, C, D, R(21) ); - P( D, E, A, B, C, R(22) ); - P( C, D, E, A, B, R(23) ); - P( B, C, D, E, A, R(24) ); - P( A, B, C, D, E, R(25) ); - P( E, A, B, C, D, R(26) ); - P( D, E, A, B, C, R(27) ); - P( C, D, E, A, B, R(28) ); - P( B, C, D, E, A, R(29) ); - P( A, B, C, D, E, R(30) ); - P( E, A, B, C, D, R(31) ); - P( D, E, A, B, C, R(32) ); - P( C, D, E, A, B, R(33) ); - P( B, C, D, E, A, R(34) ); - P( A, B, C, D, E, R(35) ); - P( E, A, B, C, D, R(36) ); - P( D, E, A, B, C, R(37) ); - P( C, D, E, A, B, R(38) ); - P( B, C, D, E, A, R(39) ); - -#undef K -#undef F - -#define F(x,y,z) ((x & y) | (z & (x | y))) -#define K 0x8F1BBCDC - - P( A, B, C, D, E, R(40) ); - P( E, A, B, C, D, R(41) ); - P( D, E, A, B, C, R(42) ); - P( C, D, E, A, B, R(43) ); - P( B, C, D, E, A, R(44) ); - P( A, B, C, D, E, R(45) ); - P( E, A, B, C, D, R(46) ); - P( D, E, A, B, C, R(47) ); - P( C, D, E, A, B, R(48) ); - P( B, C, D, E, A, R(49) ); - P( A, B, C, D, E, R(50) ); - P( E, A, B, C, D, R(51) ); - P( D, E, A, B, C, R(52) ); - P( C, D, E, A, B, R(53) ); - P( B, C, D, E, A, R(54) ); - P( A, B, C, D, E, R(55) ); - P( E, A, B, C, D, R(56) ); - P( D, E, A, B, C, R(57) ); - P( C, D, E, A, B, R(58) ); - P( B, C, D, E, A, R(59) ); - -#undef K -#undef F - -#define F(x,y,z) (x ^ y ^ z) -#define K 0xCA62C1D6 - - P( A, B, C, D, E, R(60) ); - P( E, A, B, C, D, R(61) ); - P( D, E, A, B, C, R(62) ); - P( C, D, E, A, B, R(63) ); - P( B, C, D, E, A, R(64) ); - P( A, B, C, D, E, R(65) ); - P( E, A, B, C, D, R(66) ); - P( D, E, A, B, C, R(67) ); - P( C, D, E, A, B, R(68) ); - P( B, C, D, E, A, R(69) ); - P( A, B, C, D, E, R(70) ); - P( E, A, B, C, D, R(71) ); - P( D, E, A, B, C, R(72) ); - P( C, D, E, A, B, R(73) ); - P( B, C, D, E, A, R(74) ); - P( A, B, C, D, E, R(75) ); - P( E, A, B, C, D, R(76) ); - P( D, E, A, B, C, R(77) ); - P( C, D, E, A, B, R(78) ); - P( B, C, D, E, A, R(79) ); - -#undef K -#undef F - - ctx->state[0] += A; - ctx->state[1] += B; - ctx->state[2] += C; - ctx->state[3] += D; - ctx->state[4] += E; -} - -/* - * SHA-1 process buffer - */ -void sha1_update( sha1_context *ctx, unsigned char *input, int ilen ) -{ - int fill; - unsigned long left; - - if( ilen <= 0 ) - return; - - left = ctx->total[0] & 0x3F; - fill = 64 - left; - - ctx->total[0] += ilen; - ctx->total[0] &= 0xFFFFFFFF; - - if( ctx->total[0] < (unsigned long) ilen ) - ctx->total[1]++; - - if( left && ilen >= fill ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, fill ); - sha1_process( ctx, ctx->buffer ); - input += fill; - ilen -= fill; - left = 0; - } - - while( ilen >= 64 ) - { - sha1_process( ctx, input ); - input += 64; - ilen -= 64; - } - - if( ilen > 0 ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, ilen ); - } -} - -static const unsigned char sha1_padding[64] = -{ - 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; - -/* - * SHA-1 final digest - */ -void sha1_finish( sha1_context *ctx, unsigned char output[20] ) -{ - unsigned long last, padn; - unsigned long high, low; - unsigned char msglen[8]; - - high = ( ctx->total[0] >> 29 ) - | ( ctx->total[1] << 3 ); - low = ( ctx->total[0] << 3 ); - - PUT_ULONG_BE( high, msglen, 0 ); - PUT_ULONG_BE( low, msglen, 4 ); - - last = ctx->total[0] & 0x3F; - padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); - - sha1_update( ctx, (unsigned char *) sha1_padding, padn ); - sha1_update( ctx, msglen, 8 ); - - PUT_ULONG_BE( ctx->state[0], output, 0 ); - PUT_ULONG_BE( ctx->state[1], output, 4 ); - PUT_ULONG_BE( ctx->state[2], output, 8 ); - PUT_ULONG_BE( ctx->state[3], output, 12 ); - PUT_ULONG_BE( ctx->state[4], output, 16 ); -} - -/* - * output = SHA-1( input buffer ) - */ -void sha1( unsigned char *input, int ilen, unsigned char output[20] ) -{ - sha1_context ctx; - - sha1_starts( &ctx ); - sha1_update( &ctx, input, ilen ); - sha1_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha1_context ) ); -} - -/* - * output = SHA-1( file contents ) - */ -int sha1_file( char *path, unsigned char output[20] ) -{ - FILE *f; - size_t n; - sha1_context ctx; - unsigned char buf[1024]; - - if( ( f = fopen( path, "rb" ) ) == NULL ) - return( 1 ); - - sha1_starts( &ctx ); - - while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) - sha1_update( &ctx, buf, (int) n ); - - sha1_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha1_context ) ); - - if( ferror( f ) != 0 ) - { - fclose( f ); - return( 2 ); - } - - fclose( f ); - return( 0 ); -} - -/* - * SHA-1 HMAC context setup - */ -void sha1_hmac_starts( sha1_context *ctx, unsigned char *key, int keylen ) -{ - int i; - unsigned char sum[20]; - - if( keylen > 64 ) - { - sha1( key, keylen, sum ); - keylen = 20; - key = sum; - } - - memset( ctx->ipad, 0x36, 64 ); - memset( ctx->opad, 0x5C, 64 ); - - for( i = 0; i < keylen; i++ ) - { - ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] ); - ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] ); - } - - sha1_starts( ctx ); - sha1_update( ctx, ctx->ipad, 64 ); - - memset( sum, 0, sizeof( sum ) ); -} - -/* - * SHA-1 HMAC process buffer - */ -void sha1_hmac_update( sha1_context *ctx, unsigned char *input, int ilen ) -{ - sha1_update( ctx, input, ilen ); -} - -/* - * SHA-1 HMAC final digest - */ -void sha1_hmac_finish( sha1_context *ctx, unsigned char output[20] ) -{ - unsigned char tmpbuf[20]; - - sha1_finish( ctx, tmpbuf ); - sha1_starts( ctx ); - sha1_update( ctx, ctx->opad, 64 ); - sha1_update( ctx, tmpbuf, 20 ); - sha1_finish( ctx, output ); - - memset( tmpbuf, 0, sizeof( tmpbuf ) ); -} - -/* - * output = HMAC-SHA-1( hmac key, input buffer ) - */ -void sha1_hmac( unsigned char *key, int keylen, - unsigned char *input, int ilen, - unsigned char output[20] ) -{ - sha1_context ctx; - - sha1_hmac_starts( &ctx, key, keylen ); - sha1_hmac_update( &ctx, input, ilen ); - sha1_hmac_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha1_context ) ); -} - -#if defined(POLARSSL_SELF_TEST) -/* - * FIPS-180-1 test vectors - */ -static unsigned char sha1_test_buf[3][57] = -{ - { "abc" }, - { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }, - { "" } -}; - -static const int sha1_test_buflen[3] = -{ - 3, 56, 1000 -}; - -static const unsigned char sha1_test_sum[3][20] = -{ - { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E, - 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D }, - { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE, - 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 }, - { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E, - 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F } -}; - -/* - * RFC 2202 test vectors - */ -static unsigned char sha1_hmac_test_key[7][26] = -{ - { "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B" - "\x0B\x0B\x0B\x0B" }, - { "Jefe" }, - { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA" - "\xAA\xAA\xAA\xAA" }, - { "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10" - "\x11\x12\x13\x14\x15\x16\x17\x18\x19" }, - { "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C" - "\x0C\x0C\x0C\x0C" }, - { "" }, /* 0xAA 80 times */ - { "" } -}; - -static const int sha1_hmac_test_keylen[7] = -{ - 20, 4, 20, 25, 20, 80, 80 -}; - -static unsigned char sha1_hmac_test_buf[7][74] = -{ - { "Hi There" }, - { "what do ya want for nothing?" }, - { "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" }, - { "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" }, - { "Test With Truncation" }, - { "Test Using Larger Than Block-Size Key - Hash Key First" }, - { "Test Using Larger Than Block-Size Key and Larger" - " Than One Block-Size Data" } -}; - -static const int sha1_hmac_test_buflen[7] = -{ - 8, 28, 50, 50, 20, 54, 73 -}; - -static const unsigned char sha1_hmac_test_sum[7][20] = -{ - { 0xB6, 0x17, 0x31, 0x86, 0x55, 0x05, 0x72, 0x64, 0xE2, 0x8B, - 0xC0, 0xB6, 0xFB, 0x37, 0x8C, 0x8E, 0xF1, 0x46, 0xBE, 0x00 }, - { 0xEF, 0xFC, 0xDF, 0x6A, 0xE5, 0xEB, 0x2F, 0xA2, 0xD2, 0x74, - 0x16, 0xD5, 0xF1, 0x84, 0xDF, 0x9C, 0x25, 0x9A, 0x7C, 0x79 }, - { 0x12, 0x5D, 0x73, 0x42, 0xB9, 0xAC, 0x11, 0xCD, 0x91, 0xA3, - 0x9A, 0xF4, 0x8A, 0xA1, 0x7B, 0x4F, 0x63, 0xF1, 0x75, 0xD3 }, - { 0x4C, 0x90, 0x07, 0xF4, 0x02, 0x62, 0x50, 0xC6, 0xBC, 0x84, - 0x14, 0xF9, 0xBF, 0x50, 0xC8, 0x6C, 0x2D, 0x72, 0x35, 0xDA }, - { 0x4C, 0x1A, 0x03, 0x42, 0x4B, 0x55, 0xE0, 0x7F, 0xE7, 0xF2, - 0x7B, 0xE1 }, - { 0xAA, 0x4A, 0xE5, 0xE1, 0x52, 0x72, 0xD0, 0x0E, 0x95, 0x70, - 0x56, 0x37, 0xCE, 0x8A, 0x3B, 0x55, 0xED, 0x40, 0x21, 0x12 }, - { 0xE8, 0xE9, 0x9D, 0x0F, 0x45, 0x23, 0x7D, 0x78, 0x6D, 0x6B, - 0xBA, 0xA7, 0x96, 0x5C, 0x78, 0x08, 0xBB, 0xFF, 0x1A, 0x91 } -}; - -/* - * Checkup routine - */ -int sha1_self_test( int verbose ) -{ - int i, j, buflen; - unsigned char buf[1024]; - unsigned char sha1sum[20]; - sha1_context ctx; - - /* - * SHA-1 - */ - for( i = 0; i < 3; i++ ) - { - if( verbose != 0 ) - printf( " SHA-1 test #%d: ", i + 1 ); - - sha1_starts( &ctx ); - - if( i == 2 ) - { - memset( buf, 'a', buflen = 1000 ); - - for( j = 0; j < 1000; j++ ) - sha1_update( &ctx, buf, buflen ); - } - else - sha1_update( &ctx, sha1_test_buf[i], - sha1_test_buflen[i] ); - - sha1_finish( &ctx, sha1sum ); - - if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - for( i = 0; i < 7; i++ ) - { - if( verbose != 0 ) - printf( " HMAC-SHA-1 test #%d: ", i + 1 ); - - if( i == 5 || i == 6 ) - { - memset( buf, '\xAA', buflen = 80 ); - sha1_hmac_starts( &ctx, buf, buflen ); - } - else - sha1_hmac_starts( &ctx, sha1_hmac_test_key[i], - sha1_hmac_test_keylen[i] ); - - sha1_hmac_update( &ctx, sha1_hmac_test_buf[i], - sha1_hmac_test_buflen[i] ); - - sha1_hmac_finish( &ctx, sha1sum ); - - buflen = ( i == 4 ) ? 12 : 20; - - if( memcmp( sha1sum, sha1_hmac_test_sum[i], buflen ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/package/px5g/src/library/timing.c b/package/px5g/src/library/timing.c deleted file mode 100644 index 6b7ab74..0000000 --- a/package/px5g/src/library/timing.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * Portable interface to the CPU cycle counter - * - * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine - * - * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org> - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the names of PolarSSL or XySSL nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_TIMING_C) - -#include "polarssl/timing.h" - -#if defined(WIN32) - -#include <windows.h> -#include <winbase.h> - -struct _hr_time -{ - LARGE_INTEGER start; -}; - -#else - -#include <unistd.h> -#include <sys/types.h> -#include <sys/time.h> -#include <signal.h> -#include <time.h> - -struct _hr_time -{ - struct timeval start; -}; - -#endif - -#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) - -unsigned long hardclock( void ) -{ - unsigned long tsc; - __asm rdtsc - __asm mov [tsc], eax - return( tsc ); -} - -#else -#if defined(__GNUC__) && defined(__i386__) - -unsigned long hardclock( void ) -{ - unsigned long tsc; - asm( "rdtsc" : "=a" (tsc) ); - return( tsc ); -} - -#else -#if defined(__GNUC__) && (defined(__amd64__) || defined(__x86_64__)) - -unsigned long hardclock( void ) -{ - unsigned long lo, hi; - asm( "rdtsc" : "=a" (lo), "=d" (hi) ); - return( lo | (hi << 32) ); -} - -#else -#if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__)) - -unsigned long hardclock( void ) -{ - unsigned long tbl, tbu0, tbu1; - - do - { - asm( "mftbu %0" : "=r" (tbu0) ); - asm( "mftb %0" : "=r" (tbl ) ); - asm( "mftbu %0" : "=r" (tbu1) ); - } - while( tbu0 != tbu1 ); - - return( tbl ); -} - -#else -#if defined(__GNUC__) && defined(__sparc__) - -unsigned long hardclock( void ) -{ - unsigned long tick; - asm( ".byte 0x83, 0x41, 0x00, 0x00" ); - asm( "mov %%g1, %0" : "=r" (tick) ); - return( tick ); -} - -#else -#if defined(__GNUC__) && defined(__alpha__) - -unsigned long hardclock( void ) -{ - unsigned long cc; - asm( "rpcc %0" : "=r" (cc) ); - return( cc & 0xFFFFFFFF ); -} - -#else -#if defined(__GNUC__) && defined(__ia64__) - -unsigned long hardclock( void ) -{ - unsigned long itc; - asm( "mov %0 = ar.itc" : "=r" (itc) ); - return( itc ); -} - -#else - -static int hardclock_init = 0; -static struct timeval tv_init; - -unsigned long hardclock( void ) -{ - struct timeval tv_cur; - - if( hardclock_init == 0 ) - { - gettimeofday( &tv_init, NULL ); - hardclock_init = 1; - } - - gettimeofday( &tv_cur, NULL ); - return( ( tv_cur.tv_sec - tv_init.tv_sec ) * 1000000 - + ( tv_cur.tv_usec - tv_init.tv_usec ) ); -} - -#endif /* generic */ -#endif /* IA-64 */ -#endif /* Alpha */ -#endif /* SPARC8 */ -#endif /* PowerPC */ -#endif /* AMD64 */ -#endif /* i586+ */ - -int alarmed = 0; - -#if defined(WIN32) - -unsigned long get_timer( struct hr_time *val, int reset ) -{ - unsigned long delta; - LARGE_INTEGER offset, hfreq; - struct _hr_time *t = (struct _hr_time *) val; - - QueryPerformanceCounter( &offset ); - QueryPerformanceFrequency( &hfreq ); - - delta = (unsigned long)( ( 1000 * - ( offset.QuadPart - t->start.QuadPart ) ) / - hfreq.QuadPart ); - - if( reset ) - QueryPerformanceCounter( &t->start ); - - return( delta ); -} - -DWORD WINAPI TimerProc( LPVOID uElapse ) -{ - Sleep( (DWORD) uElapse ); - alarmed = 1; - return( TRUE ); -} - -void set_alarm( int seconds ) -{ - DWORD ThreadId; - - alarmed = 0; - CloseHandle( CreateThread( NULL, 0, TimerProc, - (LPVOID) ( seconds * 1000 ), 0, &ThreadId ) ); -} - -void m_sleep( int milliseconds ) -{ - Sleep( milliseconds ); -} - -#else - -unsigned long get_timer( struct hr_time *val, int reset ) -{ - unsigned long delta; - struct timeval offset; - struct _hr_time *t = (struct _hr_time *) val; - - gettimeofday( &offset, NULL ); - - delta = ( offset.tv_sec - t->start.tv_sec ) * 1000 - + ( offset.tv_usec - t->start.tv_usec ) / 1000; - - if( reset ) - { - t->start.tv_sec = offset.tv_sec; - t->start.tv_usec = offset.tv_usec; - } - - return( delta ); -} - -static void sighandler( int signum ) -{ - alarmed = 1; - signal( signum, sighandler ); -} - -void set_alarm( int seconds ) -{ - alarmed = 0; - signal( SIGALRM, sighandler ); - alarm( seconds ); -} - -void m_sleep( int milliseconds ) -{ - struct timeval tv; - - tv.tv_sec = milliseconds / 1000; - tv.tv_usec = milliseconds * 1000; - - select( 0, NULL, NULL, NULL, &tv ); -} - -#endif - -#endif diff --git a/package/px5g/src/library/x509write.c b/package/px5g/src/library/x509write.c deleted file mode 100644 index fabee20..0000000 --- a/package/px5g/src/library/x509write.c +++ /dev/null @@ -1,1139 +0,0 @@ -/* - * X.509 certificate and private key writing - * - * Copyright (C) 2006-2007 Pascal Vizeli <pvizeli@yahoo.de> - * Modifications (C) 2009 Steven Barth <steven@midlink.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License, version 2.1 as published by the Free Software Foundation. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA - */ -/* - * The ITU-T X.509 standard defines a certificat format for PKI. - * - * http://www.ietf.org/rfc/rfc2459.txt - * http://www.ietf.org/rfc/rfc3279.txt - * - * ftp://ftp.rsasecurity.com/pub/pkcs/ascii/pkcs-1v2.asc - * - * http://www.itu.int/ITU-T/studygroups/com17/languages/X.680-0207.pdf - * http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf - * - * For CRS: - * http://www.faqs.org/rfcs/rfc2314.html - */ -#include "polarssl/config.h" -#include "polarssl/x509.h" -#include "polarssl/base64.h" -#include "polarssl/sha1.h" - -#include <string.h> -#include <stdlib.h> -#include <stdio.h> -#include <stdarg.h> -#include <time.h> - -#define and && -#define or || - -#if defined _MSC_VER && !defined snprintf -#define snprintf _snprintf -#endif - -static int x509write_realloc_node(x509_node *node, size_t larger); -static int x509write_file(x509_node *node, char *path, int format, const char* pem_prolog, const char* pem_epilog); - -/* - * evaluate how mani octet have this integer - */ -static int asn1_eval_octet(unsigned int digit) -{ - int i, byte; - - for (byte = 4, i = 24; i >= 0; i -= 8, --byte) - if (((digit >> i) & 0xFF) != 0) - return byte; - - return 0; -} - -/* - * write the asn.1 lenght form into p - */ -static int asn1_add_len(unsigned int size, x509_node *node) -{ - if (size > 127) { - - /* long size */ - int byte = asn1_eval_octet(size); - int i = 0; - - *(node->p) = (0x80 | byte) & 0xFF; - ++node->p; - - for (i = byte; i > 0; --i) { - - *(node->p) = (size >> ((i - 1) * 8)) & 0xFF; - ++node->p; - } - - } else { - - /* short size */ - *(node->p) = size & 0xFF; - if (size != 0) - ++node->p; - } - - return 0; -} - -/* - * write a ans.1 object into p - */ -static int asn1_add_obj(unsigned char *value, unsigned int size, int tag, - x509_node *node) -{ - int tl = 2; - - if (tag == ASN1_BIT_STRING) - ++tl; - - if (size > 127) - x509write_realloc_node(node, (size_t) size + tl + - asn1_eval_octet(size)); - else - x509write_realloc_node(node, (size_t) size + tl); - - if (node->data == NULL) - return 1; - - /* tag */ - *(node->p) = tag & 0xFF; - ++node->p; - - /* len */ - if (tag == ASN1_BIT_STRING) { - asn1_add_len((unsigned int) size + 1, node); - *(node->p) = 0x00; - ++node->p; - } else { - asn1_add_len((unsigned int) size, node); - } - - /* value */ - if (size > 0) { - - memcpy(node->p, value, (size_t) size); - if ((node->p += size -1) != node->end) - return POLARSSL_ERR_X509_POINT_ERROR; - } else { - /* make nothing -> NULL */ - } - - return 0; -} - -/* - * write a asn.1 conform integer object - */ -static int asn1_add_int(signed int value, x509_node *node) -{ - signed int i = 0, neg = 1; - unsigned int byte, u_val = 0, tmp_val = 0; - - /* if negate? */ - if (value < 0) { - neg = -1; - u_val = ~value; - } else { - u_val = value; - } - - byte = asn1_eval_octet(u_val); - /* 0 isn't NULL */ - if (byte == 0) - byte = 1; - - /* ASN.1 integer is signed! */ - if (byte < 4 and ((u_val >> ((byte -1) * 8)) & 0xFF) == 0x80) - byte += 1; - - if (x509write_realloc_node(node, (size_t) byte + 2) != 0) - return 1; - - /* tag */ - *(node->p) = ASN1_INTEGER; - ++node->p; - - /* len */ - asn1_add_len(byte, node); - - /* value */ - for (i = byte; i > 0; --i) { - - tmp_val = (u_val >> ((i - 1) * 8)) & 0xFF; - if (neg == 1) - *(node->p) = tmp_val; - else - *(node->p) = ~tmp_val; - - if (i > 1) - ++node->p; - } - - if (node->p != node->end) - return POLARSSL_ERR_X509_POINT_ERROR; - - return 0; -} - -/* - * write a asn.1 conform mpi object - */ -static int asn1_add_mpi(mpi *value, int tag, x509_node *node) -{ - size_t size = (mpi_msb(value) / 8) + 1; - unsigned char *buf; - int buf_len = (int) size, tl = 2; - - if (tag == ASN1_BIT_STRING) - ++tl; - - if (size > 127) - x509write_realloc_node(node, size + (size_t) tl + - asn1_eval_octet((unsigned int)size)); - else - x509write_realloc_node(node, size + (size_t) tl); - - if (node->data == NULL) - return 1; - - buf = (unsigned char*) malloc(size); - if (mpi_write_binary(value, buf, buf_len) != 0) - return POLARSSL_ERR_MPI_BUFFER_TOO_SMALL; - - /* tag */ - *(node->p) = tag & 0xFF; - ++node->p; - - /* len */ - if (tag == ASN1_BIT_STRING) { - asn1_add_len((unsigned int) size + 1, node); - *(node->p) = 0x00; - ++node->p; - } else { - asn1_add_len((unsigned int) size, node); - } - - /* value */ - memcpy(node->p, buf, size); - free(buf); - - if ((node->p += (int) size -1) != node->end) - return POLARSSL_ERR_X509_POINT_ERROR; - - return 0; -} - -/* - * write a node into asn.1 conform object - */ -static int asn1_append_tag(x509_node *node, int tag) -{ - int tl = 2; - - x509_node tmp; - x509write_init_node(&tmp); - - if (tag == ASN1_BIT_STRING) - ++tl; - - if (node->len > 127) - x509write_realloc_node(&tmp, node->len + (size_t) tl + - asn1_eval_octet((unsigned int)node->len)); - else - x509write_realloc_node(&tmp, node->len + (size_t) tl); - - if (tmp.data == NULL) { - x509write_free_node(&tmp); - return 1; - } - - /* tag */ - *(tmp.p) = tag & 0xFF; - ++tmp.p; - - /* len */ - if (tag == ASN1_BIT_STRING) { - asn1_add_len((unsigned int) node->len + 1, &tmp); - *(tmp.p) = 0x00; - ++tmp.p; - } else { - asn1_add_len((unsigned int) node->len, &tmp); - } - - /* value */ - memcpy(tmp.p, node->data, node->len); - - /* good? */ - if ((tmp.p += (int) node->len -1) != tmp.end) { - x509write_free_node(&tmp); - return POLARSSL_ERR_X509_POINT_ERROR; - } - - free(node->data); - node->data = tmp.data; - node->p = tmp.p; - node->end = tmp.end; - node->len = tmp.len; - - return 0; -} - -/* - * write nodes into a asn.1 object - */ -static int asn1_append_nodes(x509_node *node, int tag, int anz, ...) -{ - va_list ap; - size_t size = 0; - x509_node *tmp; - int count; - - va_start(ap, anz); - count = anz; - - while (count--) { - - tmp = va_arg(ap, x509_node*); - if (tmp->data != NULL) - size += tmp->len; - } - - if ( size > 127) { - if (x509write_realloc_node(node, size + (size_t) 2 + - asn1_eval_octet(size)) != 0) - return 1; - } else { - if (x509write_realloc_node(node, size + (size_t) 2) != 0) - return 1; - } - - /* tag */ - *(node->p) = tag & 0xFF; - ++node->p; - - /* len */ - asn1_add_len(size, node); - - /* value */ - va_start(ap, anz); - count = anz; - - while (count--) { - - tmp = va_arg(ap, x509_node*); - if (tmp->data != NULL) { - - memcpy(node->p, tmp->data, tmp->len); - if ((node->p += (int) tmp->len -1) != node->end) - ++node->p; - } - } - - va_end(ap); - return 0; -} - -/* - * write a ASN.1 conform object identifiere include a "tag" - */ -static int asn1_add_oid(x509_node *node, unsigned char *oid, size_t len, - int tag, int tag_val, unsigned char *value, size_t val_len) -{ - int ret; - x509_node tmp; - - x509write_init_node(&tmp); - - /* OBJECT IDENTIFIER */ - if ((ret = asn1_add_obj(oid, len, ASN1_OID, &tmp)) != 0) { - x509write_free_node(&tmp); - return ret; - } - - /* value */ - if ((ret = asn1_add_obj(value, val_len, tag_val, &tmp)) != 0) { - x509write_free_node(&tmp); - return ret; - } - - /* SET/SEQUENCE */ - if ((ret = asn1_append_nodes(node, tag, 1, &tmp)) != 0) { - x509write_free_node(&tmp); - return ret; - } - - x509write_free_node(&tmp); - return 0; -} - -/* - * utcTime UTCTime - */ -static int asn1_add_date_utc(unsigned char *time, x509_node *node) -{ - unsigned char date[13], *sp; - x509_time xtime; - int ret; - - sscanf((char*)time, "%d-%d-%d %d:%d:%d", &xtime.year, &xtime.mon, - &xtime.day, &xtime.hour, &xtime.min, &xtime.sec); - - /* convert to YY */ - if (xtime.year > 2000) - xtime.year -= 2000; - else - xtime.year -= 1900; - - snprintf((char*)date, 13, "%2d%2d%2d%2d%2d%2d", xtime.year, xtime.mon, xtime.day, - xtime.hour, xtime.min, xtime.sec); - - /* replace ' ' to '0' */ - for (sp = date; *sp != '\0'; ++sp) - if (*sp == '\x20') - *sp = '\x30'; - - date[12] = 'Z'; - - if ((ret = asn1_add_obj(date, 13, ASN1_UTC_TIME, node)) != 0) - return ret; - - return 0; -} - -/* - * serialize an rsa key into DER - */ - -int x509write_serialize_key(rsa_context *rsa, x509_node *node) -{ - int ret = 0; - x509write_init_node(node); - - /* vers, n, e, d, p, q, dp, dq, pq */ - if ((ret = asn1_add_int(rsa->ver, node)) != 0) - return ret; - if ((ret = asn1_add_mpi(&rsa->N, ASN1_INTEGER, node)) != 0) - return ret; - if ((ret = asn1_add_mpi(&rsa->E, ASN1_INTEGER, node)) != 0) - return ret; - if ((ret = asn1_add_mpi(&rsa->D, ASN1_INTEGER, node)) != 0) - return ret; - if ((ret = asn1_add_mpi(&rsa->P, ASN1_INTEGER, node)) != 0) - return ret; - if ((ret = asn1_add_mpi(&rsa->Q, ASN1_INTEGER, node)) != 0) - return ret; - if ((ret = asn1_add_mpi(&rsa->DP, ASN1_INTEGER, node)) != 0) - return ret; - if ((ret = asn1_add_mpi(&rsa->DQ, ASN1_INTEGER, node)) != 0) - return ret; - if ((ret = asn1_add_mpi(&rsa->QP, ASN1_INTEGER, node)) != 0) - return ret; - if ((ret = asn1_append_tag(node, ASN1_CONSTRUCTED | ASN1_SEQUENCE)) != 0) - return ret; - - return 0; -} - -/* - * write a der/pem encoded rsa private key into a file - */ -int x509write_keyfile(rsa_context *rsa, char *path, int out_flag) -{ - int ret = 0; - const char key_beg[] = "-----BEGIN RSA PRIVATE KEY-----\n", - key_end[] = "-----END RSA PRIVATE KEY-----\n"; - x509_node node; - - x509write_init_node(&node); - if ((ret = x509write_serialize_key(rsa,&node)) != 0) { - x509write_free_node(&node); - return ret; - } - - ret = x509write_file(&node,path,out_flag,key_beg,key_end); - x509write_free_node(&node); - - return ret; -} - - -/* - * reasize the memory for node - */ -static int x509write_realloc_node(x509_node *node, size_t larger) -{ - /* init len */ - if (node->data == NULL) { - node->len = 0; - node->data = malloc(larger); - if(node->data == NULL) - return 1; - } else { - /* realloc memory */ - if ((node->data = realloc(node->data, node->len + larger)) == NULL) - return 1; - } - - /* init pointer */ - node->p = &node->data[node->len]; - node->len += larger; - node->end = &node->data[node->len -1]; - - return 0; -} - -/* - * init node - */ -void x509write_init_node(x509_node *node) -{ - memset(node, 0, sizeof(x509_node)); -} - -/* - * clean memory - */ -void x509write_free_node(x509_node *node) -{ - if (node->data != NULL) - free(node->data); - node->p = NULL; - node->end = NULL; - node->len = 0; -} - -/* - * write a x509 certificate into file - */ -int x509write_crtfile(x509_raw *chain, unsigned char *path, int out_flag) -{ - const char cer_beg[] = "-----BEGIN CERTIFICATE-----\n", - cer_end[] = "-----END CERTIFICATE-----\n"; - - return x509write_file(&chain->raw, (char*)path, out_flag, cer_beg, cer_end); -} - -/* - * write a x509 certificate into file - */ -int x509write_csrfile(x509_raw *chain, unsigned char *path, int out_flag) -{ - const char cer_beg[] = "-----BEGIN CERTIFICATE REQUEST-----\n", - cer_end[] = "-----END CERTIFICATE REQUEST-----\n"; - - return x509write_file(&chain->raw, (char*)path, out_flag, cer_beg, cer_end); -} - -/* - * write an x509 file - */ -static int x509write_file(x509_node *node, char *path, int format, - const char* pem_prolog, const char* pem_epilog) -{ - FILE *ofstream = stdout; - int is_err = 1, buf_len, i, n; - unsigned char* base_buf; - - if (path) { - if ((ofstream = fopen(path, "wb")) == NULL) - return 1; - } - - switch (format) { - case X509_OUTPUT_DER: - if (fwrite(node->data, 1, node->len, ofstream) - != node->len) - is_err = -1; - break; - - case X509_OUTPUT_PEM: - if (fprintf(ofstream,pem_prolog)<0) { - is_err = -1; - break; - } - - buf_len = node->len << 1; - base_buf = (unsigned char*) malloc((size_t)buf_len); - memset(base_buf,0,buf_len); - if (base64_encode(base_buf, &buf_len, node->data, - (int) node->len) != 0) { - is_err = -1; - break; - } - - n=strlen((char*)base_buf); - for(i=0;i<n;i+=64) { - fprintf(ofstream,"%.64s\n",&base_buf[i]); - } - - if (fprintf(ofstream, pem_epilog)<0) { - is_err = -1; - break; - } - - free(base_buf); - } - - fclose(ofstream); - - if (is_err == -1) - return 1; - - return 0; -} - - -/* - * add the owner public key to x509 certificate - */ -int x509write_add_pubkey(x509_raw *chain, rsa_context *pubkey) -{ - x509_node n_tmp, n_tmp2, *node; - int ret; - - node = &chain->subpubkey; - - x509write_init_node(&n_tmp); - x509write_init_node(&n_tmp2); - - /* - * RSAPublicKey ::= SEQUENCE { - * modulus INTEGER, -- n - * publicExponent INTEGER -- e - * } - */ - if ((ret = asn1_add_mpi(&pubkey->N, ASN1_INTEGER, &n_tmp)) != 0) { - x509write_free_node(&n_tmp); - x509write_free_node(&n_tmp2); - return ret; - } - if ((ret = asn1_add_mpi(&pubkey->E, ASN1_INTEGER, &n_tmp)) != 0) { - x509write_free_node(&n_tmp); - x509write_free_node(&n_tmp2); - return ret; - } - if ((ret = asn1_append_tag(&n_tmp, ASN1_CONSTRUCTED | ASN1_SEQUENCE)) - != 0) { - x509write_free_node(&n_tmp); - x509write_free_node(&n_tmp2); - return ret; - } - - /* - * SubjectPublicKeyInfo ::= SEQUENCE { - * algorithm AlgorithmIdentifier, - * subjectPublicKey BIT STRING } - */ - if ((ret = asn1_append_tag(&n_tmp, ASN1_BIT_STRING)) != 0) { - x509write_free_node(&n_tmp); - x509write_free_node(&n_tmp2); - return ret; - } - if ((ret = asn1_add_oid(&n_tmp2, (unsigned char*)OID_PKCS1_RSA, 9, - ASN1_CONSTRUCTED | ASN1_SEQUENCE, ASN1_NULL, - (unsigned char *)"", 0)) != 0) { - x509write_free_node(&n_tmp); - x509write_free_node(&n_tmp2); - return ret; - } - - if ((ret = asn1_append_nodes(node, ASN1_CONSTRUCTED | ASN1_SEQUENCE, 2, - &n_tmp2, &n_tmp))) { - x509write_free_node(&n_tmp); - x509write_free_node(&n_tmp2); - return ret; - } - - x509write_free_node(&n_tmp); - x509write_free_node(&n_tmp2); - return 0; -} - -/* - * RelativeDistinguishedName ::= - * SET OF AttributeTypeAndValue - * - * AttributeTypeAndValue ::= SEQUENCE { - * type AttributeType, - * value AttributeValue } - */ -static int x509write_add_name(x509_node *node, unsigned char *oid, - unsigned int oid_len, unsigned char *value, int len, int value_tag) -{ - int ret; - x509_node n_tmp; - - x509write_init_node(&n_tmp); - - if ((ret = asn1_add_oid(&n_tmp, oid, oid_len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE, value_tag, - value, len))) { - x509write_free_node(&n_tmp); - return ret; - } - - if ((asn1_append_nodes(node, ASN1_CONSTRUCTED | ASN1_SET, 1, &n_tmp)) - != 0) { - x509write_free_node(&n_tmp); - return ret; - } - - x509write_free_node(&n_tmp); - return 0; -} - -/* - * Parse the name string and add to node - */ -static int x509write_parse_names(x509_node *node, unsigned char *names) -{ - unsigned char *sp, *begin = NULL; - unsigned char oid[3] = OID_X520, tag[4], *tag_sp = tag; - unsigned char *C = NULL, *CN = NULL, *O = NULL, *OU = NULL, - *ST = NULL, *L = NULL, *R = NULL; - int C_len = 0, CN_len = 0, O_len = 0, OU_len = 0, ST_len = 0, - L_len = 0, R_len = 0; - int ret = 0, is_tag = 1, is_begin = -1, len = 0; - - - for (sp = names; ; ++sp) { - - /* filter tag */ - if (is_tag == 1) { - - if (tag_sp == &tag[3]) - return POLARSSL_ERR_X509_VALUE_TO_LENGTH; - - /* is tag end? */ - if (*sp == '=') { - is_tag = -1; - *tag_sp = '\0'; - is_begin = 1; - /* set len 0 (reset) */ - len = 0; - } else { - /* tag hasn't ' '! */ - if (*sp != ' ') { - *tag_sp = *sp; - ++tag_sp; - } - } - /* filter value */ - } else { - - /* set pointer of value begin */ - if (is_begin == 1) { - begin = sp; - is_begin = -1; - } - - /* is value at end? */ - if (*sp == ';' or *sp == '\0') { - is_tag = 1; - - /* common name */ - if (tag[0] == 'C' and tag[1] == 'N') { - CN = begin; - CN_len = len; - - /* organization */ - } else if (tag[0] == 'O' and tag[1] == '\0') { - O = begin; - O_len = len; - - /* country */ - } else if (tag[0] == 'C' and tag[1] == '\0') { - C = begin; - C_len = len; - - /* organisation unit */ - } else if (tag[0] == 'O' and tag[1] == 'U') { - OU = begin; - OU_len = len; - - /* state */ - } else if (tag[0] == 'S' and tag[1] == 'T') { - ST = begin; - ST_len = len; - - /* locality */ - } else if (tag[0] == 'L' and tag[1] == '\0') { - L = begin; - L_len = len; - - /* email */ - } else if (tag[0] == 'R' and tag[1] == '\0') { - R = begin; - R_len = len; - } - - /* set tag poiner to begin */ - tag_sp = tag; - - /* is at end? */ - if (*sp == '\0' or *(sp +1) == '\0') - break; - } else { - ++len; - } - } - - /* make saver */ - if (*sp == '\0') - break; - } /* end for */ - - /* country */ - if (C != NULL) { - oid[2] = X520_COUNTRY; - if ((ret = x509write_add_name(node, oid, 3, C, C_len, - ASN1_PRINTABLE_STRING)) != 0) - return ret; - } - - /* state */ - if (ST != NULL) { - oid[2] = X520_STATE; - if ((ret = x509write_add_name(node, oid, 3, ST, ST_len, - ASN1_PRINTABLE_STRING)) != 0) - return ret; - } - - /* locality */ - if (L != NULL) { - oid[2] = X520_LOCALITY; - if ((ret = x509write_add_name(node, oid, 3, L, L_len, - ASN1_PRINTABLE_STRING)) != 0) - return ret; - } - - /* organization */ - if (O != NULL) { - oid[2] = X520_ORGANIZATION; - if ((ret = x509write_add_name(node, oid, 3, O, O_len, - ASN1_PRINTABLE_STRING)) != 0) - return ret; - } - - /* organisation unit */ - if (OU != NULL) { - oid[2] = X520_ORG_UNIT; - if ((ret = x509write_add_name(node, oid, 3, OU, OU_len, - ASN1_PRINTABLE_STRING)) != 0) - return ret; - } - - /* common name */ - if (CN != NULL) { - oid[2] = X520_COMMON_NAME; - if ((ret = x509write_add_name(node, oid, 3, CN, CN_len, - ASN1_PRINTABLE_STRING)) != 0) - return ret; - } - - /* email */ - if (R != NULL) { - if ((ret = x509write_add_name(node, (unsigned char*)OID_PKCS9_EMAIL, - 9, R, R_len, ASN1_IA5_STRING)) != 0) - return ret; - } - - if ((asn1_append_tag(node, ASN1_CONSTRUCTED | ASN1_SEQUENCE)) != 0) - return ret; - - return 0; -} - -/* - * Copy raw data from orginal ca to node - */ -static int x509write_copy_from_raw(x509_node *node, x509_buf *raw) -{ - if (x509write_realloc_node(node, raw->len) != 0) - return 1; - - memcpy(node->p, raw->p, (size_t)raw->len); - if ((node->p += raw->len -1) != node->end) - return POLARSSL_ERR_X509_POINT_ERROR; - - return 0; -} - -/* - * Add the issuer - */ - -int x509write_add_issuer(x509_raw *crt, unsigned char *issuer) -{ - return x509write_parse_names(&crt->issuer, issuer); -} - -/* - * Add the subject - */ -int x509write_add_subject(x509_raw *crt, unsigned char *subject) -{ - return x509write_parse_names(&crt->subject, subject); -} - -/* - * Copy issuer line from another cert to issuer - */ -int x509write_copy_issuer(x509_raw *crt, x509_cert *from_crt) -{ - return x509write_copy_from_raw(&crt->issuer, &from_crt->issuer_raw); -} - -/* - * Copy subject line from another cert - */ -int x509write_copy_subject(x509_raw *crt, x509_cert *from_crt) -{ - return x509write_copy_from_raw(&crt->subject, &from_crt->subject_raw); -} - -/* - * Copy subject line form antoher cert into issuer - */ -int x509write_copy_issuer_form_subject(x509_raw *crt, - x509_cert *from_crt) -{ - return x509write_copy_from_raw(&crt->issuer, &from_crt->subject_raw); -} - -/* - * Copy issuer line from another cert into subject - */ -int x509write_copy_subject_from_issuer(x509_raw *crt, - x509_cert * from_crt) -{ - return x509write_copy_from_raw(&crt->subject, &from_crt->issuer_raw); -} - -/* - * Validity ::= SEQUENCE { - * notBefore Time, - * notAfter Time } - * - * Time ::= CHOICE { - * utcTime UTCTime, - * generalTime GeneralizedTime } - */ -/* TODO: No handle GeneralizedTime! */ -int x509write_add_validity(x509_raw *chain, unsigned char *befor, - unsigned char *after) -{ - int ret; - - x509_node *node = &chain->validity; - - /* notBefore */ - if ((ret = asn1_add_date_utc(befor, node)) != 0) - return ret; - - /* notAfter */ - if ((ret = asn1_add_date_utc(after, node)) != 0) - return ret; - - if ((ret = asn1_append_tag(node, ASN1_CONSTRUCTED | ASN1_SEQUENCE)) != 0) - return ret; - - return 0; -} - -/* - * make hash from tbs and sign that with private key - */ -static int x509write_make_sign(x509_raw *chain, rsa_context *privkey) -{ - int ret; - unsigned char hash[20], *sign; - size_t sign_len = (size_t) mpi_size(&privkey->N); - - /* make hash */ - sha1(chain->tbs.data, chain->tbs.len, hash); - - /* create sign */ - sign = (unsigned char *) malloc(sign_len); - if (sign == NULL) - return 1; - - if ((ret = rsa_pkcs1_sign(privkey, RSA_PRIVATE, RSA_SHA1, 20, hash, - sign)) != 0) - return ret; - - if ((ret = asn1_add_obj(sign, sign_len, ASN1_BIT_STRING, - &chain->sign)) != 0) - return ret; - - /* - * AlgorithmIdentifier ::= SEQUENCE { - * algorithm OBJECT IDENTIFIER, - * parameters ANY DEFINED BY algorithm OPTIONAL } - */ - return asn1_add_oid(&chain->signalg, (unsigned char*)OID_PKCS1_RSA_SHA, 9, - ASN1_CONSTRUCTED | ASN1_SEQUENCE, ASN1_NULL, - (unsigned char*)"", 0); -} - -/* - * Create a self signed certificate - */ -int x509write_create_sign(x509_raw *chain, rsa_context *privkey) -{ - int ret, serial; - - /* - * Version ::= INTEGER { v1(0), v2(1), v3(2) } - */ - if ((ret = asn1_add_int(2, &chain->version)) != 0) - return ret; - - if ((ret = asn1_append_tag(&chain->version, ASN1_CONTEXT_SPECIFIC | - ASN1_CONSTRUCTED)) != 0) - return ret; - - - /* - * CertificateSerialNumber ::= INTEGER - */ - srand((unsigned int) time(NULL)); - serial = rand(); - if ((ret = asn1_add_int(serial, &chain->serial)) != 0) - return ret; - - /* - * AlgorithmIdentifier ::= SEQUENCE { - * algorithm OBJECT IDENTIFIER, - * parameters ANY DEFINED BY algorithm OPTIONAL } - */ - if ((ret = asn1_add_oid(&chain->tbs_signalg, - (unsigned char*)OID_PKCS1_RSA_SHA, 9, ASN1_CONSTRUCTED | - ASN1_SEQUENCE, ASN1_NULL, (unsigned char*)"", 0)) != 0) - return ret; - - /* - * Create the tbs - */ - if ((ret = asn1_append_nodes(&chain->tbs, ASN1_CONSTRUCTED | - ASN1_SEQUENCE, 7, &chain->version, &chain->serial, - &chain->tbs_signalg, &chain->issuer, &chain->validity, - &chain->subject, &chain->subpubkey)) != 0) - return ret; - - /* make signing */ - if ((ret = x509write_make_sign(chain, privkey)) != 0) - return ret; - - /* finishing */ - if ((ret = asn1_append_nodes(&chain->raw, ASN1_CONSTRUCTED | - ASN1_SEQUENCE, 3, &chain->tbs, &chain->signalg, - &chain->sign)) != 0) - return ret; - - return 0; -} - -int x509write_create_selfsign(x509_raw *chain, rsa_context *privkey) -{ - /* - * On self signed certificate are subject and issuer the same - */ - x509write_free_node(&chain->issuer); - chain->issuer = chain->subject; - return x509write_create_sign(chain, privkey); -} - -/* - * CertificationRequestInfo ::= SEQUENCE { - * version Version, - * subject Name, - * subjectPublicKeyInfo SubjectPublicKeyInfo, - * attributes [0] IMPLICIT Attributes } - * - * CertificationRequest ::= SEQUENCE { - * certificationRequestInfo CertificationRequestInfo, - * signatureAlgorithm SignatureAlgorithmIdentifier, - * signature Signature } - * - * It use chain.serail for attributes! - * - */ -int x509write_create_csr(x509_raw *chain, rsa_context *privkey) -{ - int ret; - - /* version ::= INTEGER */ - if ((ret = asn1_add_int(0, &chain->version)) != 0) - return ret; - - /* write attributes */ - if ((ret = asn1_add_obj((unsigned char*)"", 0, ASN1_CONTEXT_SPECIFIC | - ASN1_CONSTRUCTED, &chain->serial)) != 0) - return ret; - - /* create CertificationRequestInfo */ - if ((ret = asn1_append_nodes(&chain->tbs, ASN1_CONSTRUCTED | - ASN1_SEQUENCE, 4, &chain->version, &chain->subject, - &chain->subpubkey, &chain->serial)) != 0) - return ret; - - /* make signing */ - if ((ret = x509write_make_sign(chain, privkey)) != 0) - return ret; - - /* finish */ - if ((ret = asn1_append_nodes(&chain->raw, ASN1_CONSTRUCTED | ASN1_SEQUENCE, - 3, &chain->tbs, &chain->signalg, &chain->sign)) != 0) - return ret; - - return ret; -} - -/* - * Free memory - */ -void x509write_free_raw(x509_raw *chain) -{ - x509write_free_node(&chain->raw); - x509write_free_node(&chain->tbs); - x509write_free_node(&chain->version); - x509write_free_node(&chain->serial); - x509write_free_node(&chain->tbs_signalg); - x509write_free_node(&chain->issuer); - x509write_free_node(&chain->validity); - if (chain->subject.data != chain->issuer.data) - x509write_free_node(&chain->subject); - x509write_free_node(&chain->subpubkey); - x509write_free_node(&chain->signalg); - x509write_free_node(&chain->sign); -} - -void x509write_init_raw(x509_raw *chain) -{ - memset((void *) chain, 0, sizeof(x509_raw)); -} - |