diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/crypto/internal/skcipher.h | 18 | ||||
| -rw-r--r-- | include/linux/crypto.h | 18 |
2 files changed, 32 insertions, 4 deletions
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h index c9402dd12d0..07e7c82324a 100644 --- a/include/crypto/internal/skcipher.h +++ b/include/crypto/internal/skcipher.h @@ -15,6 +15,9 @@ #include <crypto/algapi.h> #include <crypto/skcipher.h> +#include <linux/types.h> + +struct rtattr; struct crypto_skcipher_spawn { struct crypto_spawn base; @@ -50,6 +53,21 @@ static inline struct crypto_ablkcipher *crypto_spawn_skcipher( crypto_skcipher_mask(0))); } +const char *crypto_default_geniv(const struct crypto_alg *alg); + +struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl, + struct rtattr **tb, u32 type, + u32 mask); +void skcipher_geniv_free(struct crypto_instance *inst); +int skcipher_geniv_init(struct crypto_tfm *tfm); +void skcipher_geniv_exit(struct crypto_tfm *tfm); + +static inline struct crypto_ablkcipher *skcipher_geniv_cipher( + struct crypto_ablkcipher *geniv) +{ + return crypto_ablkcipher_crt(geniv)->base; +} + static inline void *skcipher_givcrypt_reqctx( struct skcipher_givcrypt_request *req) { diff --git a/include/linux/crypto.h b/include/linux/crypto.h index facafa1bd8c..fa7afa9b9f4 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -53,6 +53,12 @@ #define CRYPTO_ALG_NEED_FALLBACK 0x00000100 /* + * This bit is set for symmetric key ciphers that have already been wrapped + * with a generic IV generator to prevent them from being wrapped again. + */ +#define CRYPTO_ALG_GENIV 0x00000200 + +/* * Transform masks and values (for crt_flags). */ #define CRYPTO_TFM_REQ_MASK 0x000fff00 @@ -331,6 +337,8 @@ struct ablkcipher_tfm { int (*givencrypt)(struct skcipher_givcrypt_request *req); int (*givdecrypt)(struct skcipher_givcrypt_request *req); + struct crypto_ablkcipher *base; + unsigned int ivsize; unsigned int reqsize; }; @@ -541,14 +549,14 @@ static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( static inline u32 crypto_skcipher_type(u32 type) { - type &= ~CRYPTO_ALG_TYPE_MASK; + type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); type |= CRYPTO_ALG_TYPE_BLKCIPHER; return type; } static inline u32 crypto_skcipher_mask(u32 mask) { - mask &= ~CRYPTO_ALG_TYPE_MASK; + mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; return mask; } @@ -623,7 +631,9 @@ static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, const u8 *key, unsigned int keylen) { - return crypto_ablkcipher_crt(tfm)->setkey(tfm, key, keylen); + struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm); + + return crt->setkey(crt->base, key, keylen); } static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( @@ -655,7 +665,7 @@ static inline unsigned int crypto_ablkcipher_reqsize( static inline void ablkcipher_request_set_tfm( struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) { - req->base.tfm = crypto_ablkcipher_tfm(tfm); + req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base); } static inline struct ablkcipher_request *ablkcipher_request_cast( |