diff options
Diffstat (limited to 'drivers/crypto/qce/ablkcipher.c')
| -rw-r--r-- | drivers/crypto/qce/ablkcipher.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/crypto/qce/ablkcipher.c b/drivers/crypto/qce/ablkcipher.c index 25c13e26d012..8d3493855a70 100644 --- a/drivers/crypto/qce/ablkcipher.c +++ b/drivers/crypto/qce/ablkcipher.c @@ -180,8 +180,8 @@ static int qce_ablkcipher_setkey(struct crypto_ablkcipher *ablk, const u8 *key, u32 tmp[DES_EXPKEY_WORDS]; ret = des_ekey(tmp, key); - if (!ret && crypto_ablkcipher_get_flags(ablk) & - CRYPTO_TFM_REQ_WEAK_KEY) + if (!ret && (crypto_ablkcipher_get_flags(ablk) & + CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) goto weakkey; } @@ -198,6 +198,25 @@ weakkey: return -EINVAL; } +static int qce_des3_setkey(struct crypto_ablkcipher *ablk, const u8 *key, + unsigned int keylen) +{ + struct qce_cipher_ctx *ctx = crypto_ablkcipher_ctx(ablk); + u32 flags; + int err; + + flags = crypto_ablkcipher_get_flags(ablk); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(ablk, flags); + return err; + } + + ctx->enc_keylen = keylen; + memcpy(ctx->enc_key, key, keylen); + return 0; +} + static int qce_ablkcipher_crypt(struct ablkcipher_request *req, int encrypt) { struct crypto_tfm *tfm = @@ -363,7 +382,8 @@ static int qce_ablkcipher_register_one(const struct qce_ablkcipher_def *def, alg->cra_ablkcipher.ivsize = def->ivsize; alg->cra_ablkcipher.min_keysize = def->min_keysize; alg->cra_ablkcipher.max_keysize = def->max_keysize; - alg->cra_ablkcipher.setkey = qce_ablkcipher_setkey; + alg->cra_ablkcipher.setkey = IS_3DES(def->flags) ? + qce_des3_setkey : qce_ablkcipher_setkey; alg->cra_ablkcipher.encrypt = qce_ablkcipher_encrypt; alg->cra_ablkcipher.decrypt = qce_ablkcipher_decrypt; |