linux/include/crypto/cast5.h
Johannes Goetzfried 270b0c6b40 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>
2012-08-01 17:47:29 +08:00

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C

#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