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path: root/tools/mkimage/patches/210-openssl-1.1.x-compat.patch
blob: fa7c99f39b0a65f0d784473ca9b8fde836e4fa6e (plain)
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--- a/lib/rsa/rsa-sign.c
+++ b/lib/rsa/rsa-sign.c
@@ -15,10 +15,25 @@
 #include <openssl/ssl.h>
 #include <openssl/evp.h>
 
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+#if OPENSSL_VERSION_NUMBER < 0x10000000L
+#define HAVE_ERR_REMOVE_STATE
+#elif OPENSSL_VERSION_NUMBER < 0x10100000L
 #define HAVE_ERR_REMOVE_THREAD_STATE
 #endif
 
+#if OPENSSL_VERSION_NUMBER < 0x10100005L
+static void RSA_get0_key(const RSA *r,
+                         const BIGNUM **n, const BIGNUM **e, const BIGNUM **d)
+{
+   if (n != NULL)
+       *n = r->n;
+   if (e != NULL)
+       *e = r->e;
+   if (d != NULL)
+       *d = r->d;
+}
+#endif
+
 static int rsa_err(const char *msg)
 {
 	unsigned long sslErr = ERR_get_error();
@@ -154,7 +169,8 @@ static void rsa_remove(void)
 	ERR_free_strings();
 #ifdef HAVE_ERR_REMOVE_THREAD_STATE
 	ERR_remove_thread_state(NULL);
-#else
+#endif
+#ifdef HAVE_ERR_REMOVE_STATE
 	ERR_remove_state(0);
 #endif
 	EVP_cleanup();
@@ -210,7 +226,6 @@ static int rsa_sign_with_key(RSA *rsa, s
 		ret = rsa_err("Could not obtain signature");
 		goto err_sign;
 	}
-	EVP_MD_CTX_cleanup(context);
 	EVP_MD_CTX_destroy(context);
 	EVP_PKEY_free(key);
 
@@ -270,23 +285,26 @@ static int rsa_get_exponent(RSA *key, ui
 	BIGNUM *bn_te;
 	uint64_t te;
 
+	const BIGNUM *bn_e;
+	RSA_get0_key(key, NULL, &bn_e, NULL);
+
 	ret = -EINVAL;
 	bn_te = NULL;
 
 	if (!e)
 		goto cleanup;
 
-	if (BN_num_bits(key->e) > 64)
+	if (BN_num_bits(bn_e) > 64)
 		goto cleanup;
 
-	*e = BN_get_word(key->e);
+	*e = BN_get_word(bn_e);
 
-	if (BN_num_bits(key->e) < 33) {
+	if (BN_num_bits(bn_e) < 33) {
 		ret = 0;
 		goto cleanup;
 	}
 
-	bn_te = BN_dup(key->e);
+	bn_te = BN_dup(bn_e);
 	if (!bn_te)
 		goto cleanup;
 
@@ -319,6 +337,9 @@ int rsa_get_params(RSA *key, uint64_t *e
 	BN_CTX *bn_ctx = BN_CTX_new();
 	int ret = 0;
 
+	const BIGNUM *bn_n;
+	RSA_get0_key(key, &bn_n, NULL, NULL);
+
 	/* Initialize BIGNUMs */
 	big1 = BN_new();
 	big2 = BN_new();
@@ -337,7 +358,7 @@ int rsa_get_params(RSA *key, uint64_t *e
 	if (0 != rsa_get_exponent(key, exponent))
 		ret = -1;
 
-	if (!BN_copy(n, key->n) || !BN_set_word(big1, 1L) ||
+	if (!BN_copy(n, bn_n) || !BN_set_word(big1, 1L) ||
 	    !BN_set_word(big2, 2L) || !BN_set_word(big32, 32L))
 		ret = -1;