diff options
Diffstat (limited to 'include/crypto/skcipher.h')
| -rw-r--r-- | include/crypto/skcipher.h | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/include/crypto/skcipher.h b/include/crypto/skcipher.h index 37c164234d97..b4655d91661f 100644 --- a/include/crypto/skcipher.h +++ b/include/crypto/skcipher.h @@ -218,30 +218,13 @@ static inline void crypto_free_sync_skcipher(struct crypto_sync_skcipher *tfm) * crypto_has_skcipher() - Search for the availability of an skcipher. * @alg_name: is the cra_name / name or cra_driver_name / driver name of the * skcipher - * @type: specifies the type of the cipher - * @mask: specifies the mask for the cipher - * - * Return: true when the skcipher is known to the kernel crypto API; false - * otherwise - */ -static inline int crypto_has_skcipher(const char *alg_name, u32 type, - u32 mask) -{ - return crypto_has_alg(alg_name, crypto_skcipher_type(type), - crypto_skcipher_mask(mask)); -} - -/** - * crypto_has_skcipher2() - Search for the availability of an skcipher. - * @alg_name: is the cra_name / name or cra_driver_name / driver name of the - * skcipher * @type: specifies the type of the skcipher * @mask: specifies the mask for the skcipher * * Return: true when the skcipher is known to the kernel crypto API; false * otherwise */ -int crypto_has_skcipher2(const char *alg_name, u32 type, u32 mask); +int crypto_has_skcipher(const char *alg_name, u32 type, u32 mask); static inline const char *crypto_skcipher_driver_name( struct crypto_skcipher *tfm) @@ -258,13 +241,6 @@ static inline struct skcipher_alg *crypto_skcipher_alg( static inline unsigned int crypto_skcipher_alg_ivsize(struct skcipher_alg *alg) { - if ((alg->base.cra_flags & CRYPTO_ALG_TYPE_MASK) == - CRYPTO_ALG_TYPE_BLKCIPHER) - return alg->base.cra_blkcipher.ivsize; - - if (alg->base.cra_ablkcipher.encrypt) - return alg->base.cra_ablkcipher.ivsize; - return alg->ivsize; } @@ -304,6 +280,29 @@ static inline unsigned int crypto_skcipher_blocksize( return crypto_tfm_alg_blocksize(crypto_skcipher_tfm(tfm)); } +static inline unsigned int crypto_skcipher_alg_chunksize( + struct skcipher_alg *alg) +{ + return alg->chunksize; +} + +/** + * crypto_skcipher_chunksize() - obtain chunk size + * @tfm: cipher handle + * + * The block size is set to one for ciphers such as CTR. However, + * you still need to provide incremental updates in multiples of + * the underlying block size as the IV does not have sub-block + * granularity. This is known in this API as the chunk size. + * + * Return: chunk size in bytes + */ +static inline unsigned int crypto_skcipher_chunksize( + struct crypto_skcipher *tfm) +{ + return crypto_skcipher_alg_chunksize(crypto_skcipher_alg(tfm)); +} + static inline unsigned int crypto_sync_skcipher_blocksize( struct crypto_sync_skcipher *tfm) { |