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crypto: cast6 - prepare generic module for optimized implementations
Rename cast6 module to cast6_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_CAST6_H | ||
#define _CRYPTO_CAST6_H | ||
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#include <linux/types.h> | ||
#include <linux/crypto.h> | ||
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#define CAST6_BLOCK_SIZE 16 | ||
#define CAST6_MIN_KEY_SIZE 16 | ||
#define CAST6_MAX_KEY_SIZE 32 | ||
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struct cast6_ctx { | ||
u32 Km[12][4]; | ||
u8 Kr[12][4]; | ||
}; | ||
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int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key, | ||
unsigned int keylen, u32 *flags); | ||
int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); | ||
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void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src); | ||
void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src); | ||
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#endif |