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authorImre Kaloz <kaloz@openwrt.org>2013-11-15 12:23:17 +0000
committerImre Kaloz <kaloz@openwrt.org>2013-11-15 12:23:17 +0000
commite4eef7e6207078a4987b0e02d2ad4068083cf921 (patch)
treeae97c3d14f8a010428d78dfc27dde471ad897232 /target/linux/omap/patches-3.12/602-crypto-omap-des-Add-triple-DES-des3_ede-support-to-driver.patch
parent1f3478901593dd3bb4f32b2cdcb4c4cfecdbea5a (diff)
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replace the TI patch with a smaller patchset
Signed-off-by: Imre Kaloz <kaloz@openwrt.org> SVN-Revision: 38816
Diffstat (limited to 'target/linux/omap/patches-3.12/602-crypto-omap-des-Add-triple-DES-des3_ede-support-to-driver.patch')
-rw-r--r--target/linux/omap/patches-3.12/602-crypto-omap-des-Add-triple-DES-des3_ede-support-to-driver.patch113
1 files changed, 113 insertions, 0 deletions
diff --git a/target/linux/omap/patches-3.12/602-crypto-omap-des-Add-triple-DES-des3_ede-support-to-driver.patch b/target/linux/omap/patches-3.12/602-crypto-omap-des-Add-triple-DES-des3_ede-support-to-driver.patch
new file mode 100644
index 0000000..f94e0f5
--- /dev/null
+++ b/target/linux/omap/patches-3.12/602-crypto-omap-des-Add-triple-DES-des3_ede-support-to-driver.patch
@@ -0,0 +1,113 @@
+From patchwork Thu Aug 29 23:27:53 2013
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 7bit
+Subject: [3/3] crypto: omap-des: Add triple DES (des3_ede) support to driver
+From: Joel Fernandes <joelf@ti.com>
+X-Patchwork-Id: 2851679
+Message-Id: <1377818873-21174-4-git-send-email-joelf@ti.com>
+To: Herbert Xu <herbert@gondor.hengli.com.au>, "David S. Miller"
+ <davem@davemloft.net>, Mark Greer <mgreer@animalcreek.com>, Tony Lindgren
+ <tony@atomide.com>, Lokesh Vutla <lokeshvutla@ti.com>
+Cc: Joel Fernandes <joelf@ti.com>,
+ Linux OMAP List <linux-omap@vger.kernel.org>,
+ Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
+ Linux ARM Kernel List <linux-arm-kernel@lists.infradead.org>,
+ Linux Crypto Mailing List <linux-crypto@vger.kernel.org>
+Date: Thu, 29 Aug 2013 18:27:53 -0500
+
+OMAP DES module supports 3DES operation where 3 64-bit keys are used to
+perform a DES encrypt-decrypt-encrypt (ede) operation on a buffer.
+
+Signed-off-by: Joel Fernandes <joelf@ti.com>
+
+---
+drivers/crypto/omap-des.c | 53 ++++++++++++++++++++++++++++++++++++++++++++---
+ 1 file changed, 50 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c
+index 6a9a25f..0df60cb 100644
+--- a/drivers/crypto/omap-des.c
++++ b/drivers/crypto/omap-des.c
+@@ -83,7 +83,7 @@ struct omap_des_ctx {
+ struct omap_des_dev *dd;
+
+ int keylen;
+- u32 key[DES_KEY_SIZE / sizeof(u32)];
++ u32 key[(3 * DES_KEY_SIZE) / sizeof(u32)];
+ unsigned long flags;
+ };
+
+@@ -265,8 +265,10 @@ static int omap_des_write_ctrl(struct omap_des_dev *dd)
+ val |= DES_REG_CTRL_CBC;
+ if (dd->flags & FLAGS_ENCRYPT)
+ val |= DES_REG_CTRL_DIRECTION;
++ if (key32 == 6)
++ val |= DES_REG_CTRL_TDES;
+
+- mask |= DES_REG_CTRL_CBC | DES_REG_CTRL_DIRECTION;
++ mask |= DES_REG_CTRL_CBC | DES_REG_CTRL_DIRECTION | DES_REG_CTRL_TDES;
+
+ omap_des_write_mask(dd, DES_REG_CTRL(dd), val, mask);
+
+@@ -725,7 +727,7 @@ static int omap_des_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
+ {
+ struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+
+- if (keylen != DES_KEY_SIZE)
++ if (keylen != DES_KEY_SIZE && keylen != (3*DES_KEY_SIZE))
+ return -EINVAL;
+
+ pr_debug("enter, keylen: %d\n", keylen);
+@@ -817,6 +819,51 @@ static struct crypto_alg algs_ecb_cbc[] = {
+ .encrypt = omap_des_cbc_encrypt,
+ .decrypt = omap_des_cbc_decrypt,
+ }
++},
++{
++ .cra_name = "ecb(des3_ede)",
++ .cra_driver_name = "ecb-des3-omap",
++ .cra_priority = 100,
++ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
++ CRYPTO_ALG_KERN_DRIVER_ONLY |
++ CRYPTO_ALG_ASYNC,
++ .cra_blocksize = DES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct omap_des_ctx),
++ .cra_alignmask = 0,
++ .cra_type = &crypto_ablkcipher_type,
++ .cra_module = THIS_MODULE,
++ .cra_init = omap_des_cra_init,
++ .cra_exit = omap_des_cra_exit,
++ .cra_u.ablkcipher = {
++ .min_keysize = 3*DES_KEY_SIZE,
++ .max_keysize = 3*DES_KEY_SIZE,
++ .setkey = omap_des_setkey,
++ .encrypt = omap_des_ecb_encrypt,
++ .decrypt = omap_des_ecb_decrypt,
++ }
++},
++{
++ .cra_name = "cbc(des3_ede)",
++ .cra_driver_name = "cbc-des3-omap",
++ .cra_priority = 100,
++ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
++ CRYPTO_ALG_KERN_DRIVER_ONLY |
++ CRYPTO_ALG_ASYNC,
++ .cra_blocksize = DES_BLOCK_SIZE,
++ .cra_ctxsize = sizeof(struct omap_des_ctx),
++ .cra_alignmask = 0,
++ .cra_type = &crypto_ablkcipher_type,
++ .cra_module = THIS_MODULE,
++ .cra_init = omap_des_cra_init,
++ .cra_exit = omap_des_cra_exit,
++ .cra_u.ablkcipher = {
++ .min_keysize = 3*DES_KEY_SIZE,
++ .max_keysize = 3*DES_KEY_SIZE,
++ .ivsize = DES_BLOCK_SIZE,
++ .setkey = omap_des_setkey,
++ .encrypt = omap_des_cbc_encrypt,
++ .decrypt = omap_des_cbc_decrypt,
++ }
+ }
+ };
+