diff options
| -rw-r--r-- | drivers/crypto/stm32/stm32-cryp.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/crypto/stm32/stm32-cryp.c b/drivers/crypto/stm32/stm32-cryp.c index 23b0b7bd64c7..5785f3e235ce 100644 --- a/drivers/crypto/stm32/stm32-cryp.c +++ b/drivers/crypto/stm32/stm32-cryp.c @@ -762,10 +762,17 @@ static int stm32_cryp_des_setkey(struct crypto_ablkcipher *tfm, const u8 *key, static int stm32_cryp_tdes_setkey(struct crypto_ablkcipher *tfm, const u8 *key, unsigned int keylen) { - if (keylen != (3 * DES_KEY_SIZE)) - return -EINVAL; - else - return stm32_cryp_setkey(tfm, key, keylen); + u32 flags; + int err; + + flags = crypto_ablkcipher_get_flags(tfm); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(tfm, flags); + return err; + } + + return stm32_cryp_setkey(tfm, key, keylen); } static int stm32_cryp_aes_aead_setkey(struct crypto_aead *tfm, const u8 *key, |