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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>
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#ifndef _CRYPTO_CAST5_H | ||
#define _CRYPTO_CAST5_H | ||
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#include <linux/types.h> | ||
#include <linux/crypto.h> | ||
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#define CAST5_BLOCK_SIZE 8 | ||
#define CAST5_MIN_KEY_SIZE 5 | ||
#define CAST5_MAX_KEY_SIZE 16 | ||
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struct cast5_ctx { | ||
u32 Km[16]; | ||
u8 Kr[16]; | ||
int rr; /* rr ? rounds = 12 : rounds = 16; (rfc 2144) */ | ||
}; | ||
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int cast5_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); | ||
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void __cast5_encrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src); | ||
void __cast5_decrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src); | ||
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#endif |