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