diff options
Diffstat (limited to 'drivers/crypto/ux500/cryp/cryp_core.c')
| -rw-r--r-- | drivers/crypto/ux500/cryp/cryp_core.c | 86 |
1 files changed, 7 insertions, 79 deletions
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, |