diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-12-05 11:08:36 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2008-01-10 22:16:44 +0100 |
| commit | ecfc43292f68566c144afca966b46b371c26d56c (patch) | |
| tree | ef332abe1573434836a90e188257a252ca9f896a /include/crypto | |
| parent | [CRYPTO] cryptd: Use geniv of the underlying algorithm (diff) | |
| download | linux-ecfc43292f68566c144afca966b46b371c26d56c.tar.xz linux-ecfc43292f68566c144afca966b46b371c26d56c.zip | |
[CRYPTO] skcipher: Add skcipher_geniv_alloc/skcipher_geniv_free
This patch creates the infrastructure to help the construction of givcipher
templates that wrap around existing blkcipher/ablkcipher algorithms by adding
an IV generator to them.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/internal/skcipher.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h index c9402dd12d03..07e7c82324ad 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) { |