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| author | Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de> | 2012-07-11 19:37:04 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2012-08-01 17:47:29 +0800 |
| commit | 270b0c6b406a0ae7673ee880d1d7cc6bd6c904de (patch) | |
| tree | f73fc16f158c1cc3ff13ef6cd1019805ec79b53e /include/crypto | |
| parent | 37743cc0d34c4c5cb8520bc27eb2a45141e938fe (diff) | |
| download | lwn-270b0c6b406a0ae7673ee880d1d7cc6bd6c904de.tar.gz lwn-270b0c6b406a0ae7673ee880d1d7cc6bd6c904de.zip | |
crypto: cast5 - prepare generic module for optimized implementations
Rename cast5 module to cast5_generic to allow autoloading of optimized
implementations. Generic functions and s-boxes are exported to be able to use
them within optimized implementations.
Signed-off-by: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/cast5.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/crypto/cast5.h b/include/crypto/cast5.h new file mode 100644 index 000000000000..dcb90c13dd39 --- /dev/null +++ b/include/crypto/cast5.h @@ -0,0 +1,22 @@ +#ifndef _CRYPTO_CAST5_H +#define _CRYPTO_CAST5_H + +#include <linux/types.h> +#include <linux/crypto.h> + +#define CAST5_BLOCK_SIZE 8 +#define CAST5_MIN_KEY_SIZE 5 +#define CAST5_MAX_KEY_SIZE 16 + +struct cast5_ctx { + u32 Km[16]; + u8 Kr[16]; + int rr; /* rr ? rounds = 12 : rounds = 16; (rfc 2144) */ +}; + +int cast5_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); + +void __cast5_encrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src); +void __cast5_decrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src); + +#endif |