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authorSean Paul <seanpaul@chromium.org>2019-05-22 22:08:21 +0200
committerSean Paul <seanpaul@chromium.org>2019-05-22 22:08:21 +0200
commit374ed5429346a021c8e2d26fafce14c5b15dedd0 (patch)
tree70739e93443494993197cc11f41c0fd0a0f3aac0 /drivers/crypto/ux500
parentvideo/hdmi: Add Unpack function for DRM infoframe (diff)
parentLinux 5.2-rc1 (diff)
downloadlinux-374ed5429346a021c8e2d26fafce14c5b15dedd0.tar.xz
linux-374ed5429346a021c8e2d26fafce14c5b15dedd0.zip
Merge drm/drm-next into drm-misc-next
Backmerging 5.2-rc1 to -misc-next for robher Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/crypto/ux500')
-rw-r--r--drivers/crypto/ux500/cryp/Makefile6
-rw-r--r--drivers/crypto/ux500/cryp/cryp_core.c86
2 files changed, 8 insertions, 84 deletions
diff --git a/drivers/crypto/ux500/cryp/Makefile b/drivers/crypto/ux500/cryp/Makefile
index b497ae3dde07..dc8fff29c4b3 100644
--- a/drivers/crypto/ux500/cryp/Makefile
+++ b/drivers/crypto/ux500/cryp/Makefile
@@ -3,11 +3,7 @@
# * Author: shujuan.chen@stericsson.com for ST-Ericsson.
# * License terms: GNU General Public License (GPL) version 2 */
-ifdef CONFIG_CRYPTO_DEV_UX500_DEBUG
-CFLAGS_cryp_core.o := -DDEBUG
-CFLAGS_cryp.o := -DDEBUG
-CFLAGS_cryp_irq.o := -DDEBUG
-endif
+ccflags-$(CONFIG_CRYPTO_DEV_UX500_DEBUG) += -DDEBUG
obj-$(CONFIG_CRYPTO_DEV_UX500_CRYP) += ux500_cryp.o
ux500_cryp-objs := cryp.o cryp_irq.o cryp_core.o
diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c
index 3235611928f2..7a93cba0877f 100644
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@@ -1019,37 +1019,16 @@ static int des3_ablkcipher_setkey(struct crypto_ablkcipher *cipher,
const u8 *key, unsigned int keylen)
{
struct cryp_ctx *ctx = crypto_ablkcipher_ctx(cipher);
- u32 *flags = &cipher->base.crt_flags;
- const u32 *K = (const u32 *)key;
- u32 tmp[DES3_EDE_EXPKEY_WORDS];
- int i, ret;
+ u32 flags;
+ int err;
pr_debug(DEV_DBG_NAME " [%s]", __func__);
- if (keylen != DES3_EDE_KEY_SIZE) {
- *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
- pr_debug(DEV_DBG_NAME " [%s]: CRYPTO_TFM_RES_BAD_KEY_LEN",
- __func__);
- return -EINVAL;
- }
- /* Checking key interdependency for weak key detection. */
- if (unlikely(!((K[0] ^ K[2]) | (K[1] ^ K[3])) ||
- !((K[2] ^ K[4]) | (K[3] ^ K[5]))) &&
- (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) {
- *flags |= CRYPTO_TFM_RES_WEAK_KEY;
- pr_debug(DEV_DBG_NAME " [%s]: CRYPTO_TFM_RES_WEAK_KEY",
- __func__);
- return -EINVAL;
- }
- for (i = 0; i < 3; i++) {
- ret = des_ekey(tmp, key + i*DES_KEY_SIZE);
- if (unlikely(ret == 0) &&
- (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) {
- *flags |= CRYPTO_TFM_RES_WEAK_KEY;
- pr_debug(DEV_DBG_NAME " [%s]: CRYPTO_TFM_RES_WEAK_KEY",
- __func__);
- return -EINVAL;
- }
+ flags = crypto_ablkcipher_get_flags(cipher);
+ err = __des3_verify_key(&flags, key);
+ if (unlikely(err)) {
+ crypto_ablkcipher_set_flags(cipher, flags);
+ return err;
}
memcpy(ctx->key, key, keylen);
@@ -1219,57 +1198,6 @@ static struct cryp_algo_template cryp_algs[] = {
{
.algomode = CRYP_ALGO_DES_ECB,
.crypto = {
- .cra_name = "des",
- .cra_driver_name = "des-ux500",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct cryp_ctx),
- .cra_alignmask = 3,
- .cra_type = &crypto_ablkcipher_type,
- .cra_init = cryp_cra_init,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .ablkcipher = {
- .min_keysize = DES_KEY_SIZE,
- .max_keysize = DES_KEY_SIZE,
- .setkey = des_ablkcipher_setkey,
- .encrypt = cryp_blk_encrypt,
- .decrypt = cryp_blk_decrypt
- }
- }
- }
-
- },
- {
- .algomode = CRYP_ALGO_TDES_ECB,
- .crypto = {
- .cra_name = "des3_ede",
- .cra_driver_name = "des3_ede-ux500",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES3_EDE_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct cryp_ctx),
- .cra_alignmask = 3,
- .cra_type = &crypto_ablkcipher_type,
- .cra_init = cryp_cra_init,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .ablkcipher = {
- .min_keysize = DES3_EDE_KEY_SIZE,
- .max_keysize = DES3_EDE_KEY_SIZE,
- .setkey = des_ablkcipher_setkey,
- .encrypt = cryp_blk_encrypt,
- .decrypt = cryp_blk_decrypt
- }
- }
- }
- },
- {
- .algomode = CRYP_ALGO_DES_ECB,
- .crypto = {
.cra_name = "ecb(des)",
.cra_driver_name = "ecb-des-ux500",
.cra_priority = 300,