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[CRYPTO] cipher: Removed special IV checks for ECB 

This patch makes IV operations on ECB fail through nocrypt_iv rather than
calling BUG().  This is needed to generalise CBC/ECB using the template
mechanism.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Herbert Xu 2006-07-14 10:42:27 +10:00
parent c907ee76d8
commit df89820ebd
2 changed files with 2 additions and 2 deletions
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2
crypto/cipher.c
View File

@ -399,6 +399,8 @@ int crypto_init_cipher_ops(struct crypto_tfm *tfm)
case CRYPTO_TFM_MODE_ECB:
ops->cit_encrypt = ecb_encrypt;
ops->cit_decrypt = ecb_decrypt;
ops->cit_encrypt_iv = nocrypt_iv;
ops->cit_decrypt_iv = nocrypt_iv;
break;
case CRYPTO_TFM_MODE_CBC:

2
include/linux/crypto.h
View File

@ -422,7 +422,6 @@ static inline int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
unsigned int nbytes, u8 *iv)
{
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
BUG_ON(tfm->crt_cipher.cit_mode == CRYPTO_TFM_MODE_ECB);
return tfm->crt_cipher.cit_encrypt_iv(tfm, dst, src, nbytes, iv);
}
@ -441,7 +440,6 @@ static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
unsigned int nbytes, u8 *iv)
{
BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
BUG_ON(tfm->crt_cipher.cit_mode == CRYPTO_TFM_MODE_ECB);
return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv);
}