|  | #ifndef _CRYPTO_CAST5_H | 
|  | #define _CRYPTO_CAST5_H | 
|  |  | 
|  | #include <linux/types.h> | 
|  | #include <linux/crypto.h> | 
|  | #include <crypto/cast_common.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 |