1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 22b49b906SJohannes Goetzfried #ifndef _CRYPTO_CAST6_H 32b49b906SJohannes Goetzfried #define _CRYPTO_CAST6_H 42b49b906SJohannes Goetzfried 52b49b906SJohannes Goetzfried #include <linux/types.h> 62b49b906SJohannes Goetzfried #include <linux/crypto.h> 7044ab525SJussi Kivilinna #include <crypto/cast_common.h> 82b49b906SJohannes Goetzfried 92b49b906SJohannes Goetzfried #define CAST6_BLOCK_SIZE 16 102b49b906SJohannes Goetzfried #define CAST6_MIN_KEY_SIZE 16 112b49b906SJohannes Goetzfried #define CAST6_MAX_KEY_SIZE 32 122b49b906SJohannes Goetzfried 132b49b906SJohannes Goetzfried struct cast6_ctx { 142b49b906SJohannes Goetzfried u32 Km[12][4]; 152b49b906SJohannes Goetzfried u8 Kr[12][4]; 162b49b906SJohannes Goetzfried }; 172b49b906SJohannes Goetzfried 18674f368aSEric Biggers int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key, unsigned int keylen); 192b49b906SJohannes Goetzfried int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); 202b49b906SJohannes Goetzfried 219c1e8836SKees Cook void __cast6_encrypt(const void *ctx, u8 *dst, const u8 *src); 229c1e8836SKees Cook void __cast6_decrypt(const void *ctx, u8 *dst, const u8 *src); 232b49b906SJohannes Goetzfried 242b49b906SJohannes Goetzfried #endif 25