Files
GmSSL/include/gmssl/ff1.h
2026-06-22 22:52:39 +08:00

42 lines
938 B
C

/*
* Copyright 2014-2026 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#ifndef GMSSL_FF1_H
#define GMSSL_FF1_H
#include <stdint.h>
#include <stddef.h>
#include <gmssl/block_cipher.h>
#ifdef __cplusplus
extern "C" {
#endif
#define FF1_MIN_DIGITS 8
#define FF1_MAX_DIGITS 18
#define FF1_MIN_TWEAK_SIZE 0
#define FF1_MAX_TWEAK_SIZE 11
#define FF1_NUM_ROUNDS 10
int ff1_init(BLOCK_CIPHER_KEY *key, const BLOCK_CIPHER *cipher, const uint8_t *raw_key);
int ff1_encrypt(const BLOCK_CIPHER_KEY *key, const char *in, size_t inlen,
const uint8_t *tweak, size_t tweaklen, char *out);
int ff1_decrypt(const BLOCK_CIPHER_KEY *key, const char *in, size_t inlen,
const uint8_t *tweak, size_t tweaklen, char *out);
#ifdef __cplusplus
}
#endif
#endif