/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _CRYPTO_CAST6_H #define _CRYPTO_CAST6_H #include <linux/types.h> #include <linux/crypto.h> #include <crypto/cast_common.h> #define CAST6_BLOCK_SIZE 16 #define CAST6_MIN_KEY_SIZE 16 #define CAST6_MAX_KEY_SIZE 32 struct cast6_ctx { u32 Km[12][4]; u8 Kr[12][4]; }; int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key, unsigned int keylen, u32 *flags); int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src); void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src); #endif