1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _CRYPTO_CAST6_H 3*4882a593Smuzhiyun #define _CRYPTO_CAST6_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/types.h> 6*4882a593Smuzhiyun #include <linux/crypto.h> 7*4882a593Smuzhiyun #include <crypto/cast_common.h> 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #define CAST6_BLOCK_SIZE 16 10*4882a593Smuzhiyun #define CAST6_MIN_KEY_SIZE 16 11*4882a593Smuzhiyun #define CAST6_MAX_KEY_SIZE 32 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun struct cast6_ctx { 14*4882a593Smuzhiyun u32 Km[12][4]; 15*4882a593Smuzhiyun u8 Kr[12][4]; 16*4882a593Smuzhiyun }; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key, unsigned int keylen); 19*4882a593Smuzhiyun int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun void __cast6_encrypt(const void *ctx, u8 *dst, const u8 *src); 22*4882a593Smuzhiyun void __cast6_decrypt(const void *ctx, u8 *dst, const u8 *src); 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #endif 25