/* SPDX-License-Identifier: GPL-2.0 */ #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