1 #ifndef _CRYPTO_CAST6_H 2 #define _CRYPTO_CAST6_H 3 4 #include <linux/types.h> 5 #include <linux/crypto.h> 6 #include <crypto/cast_common.h> 7 8 #define CAST6_BLOCK_SIZE 16 9 #define CAST6_MIN_KEY_SIZE 16 10 #define CAST6_MAX_KEY_SIZE 32 11 12 struct cast6_ctx { 13 u32 Km[12][4]; 14 u8 Kr[12][4]; 15 }; 16 17 int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key, 18 unsigned int keylen, u32 *flags); 19 int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); 20 21 void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src); 22 void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src); 23 24 #endif 25