crypt_sm4.h

/*
 * This file is part of the openHiTLS project.
 *
 * openHiTLS is licensed under the Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *
 *     http://license.coscl.org.cn/MulanPSL2
 *
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
 
#ifndef CRYPT_SM4_H
#define CRYPT_SM4_H
 
#include "hitls_build.h"
#ifdef HITLS_CRYPTO_SM4
 
#include <stdint.h>
#include <string.h>
#include <stdbool.h>
#include "crypt_types.h"
#include "crypt_local_types.h"
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
#define CRYPT_SM4_BLOCKSIZE     16
#define CRYPT_SM4_BLOCKSIZE_16  256
#define CRYPT_SM4_ROUNDS 32
 
typedef struct {
    uint8_t iv[CRYPT_SM4_BLOCKSIZE];
    uint32_t rk[CRYPT_SM4_ROUNDS];
} CRYPT_SM4_Ctx;

int32_t CRYPT_SM4_SetKey(CRYPT_SM4_Ctx *ctx, const uint8_t *key, uint32_t keyLen);

int32_t CRYPT_SM4_Encrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t length);

int32_t CRYPT_SM4_Decrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t length);

void CRYPT_SM4_Clean(CRYPT_SM4_Ctx *ctx);
 
#ifdef HITLS_CRYPTO_XTS
int32_t CRYPT_SM4_XTS_SetEncryptKey(CRYPT_SM4_Ctx *ctx, const uint8_t *key, uint32_t len);

int32_t CRYPT_SM4_XTS_SetDecryptKey(CRYPT_SM4_Ctx *ctx, const uint8_t *key, uint32_t len);
 
void CRYPT_SM4_XTS_Clean(CRYPT_SM4_Ctx *ctx);

int32_t CRYPT_SM4_XTS_Decrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len, uint8_t *iv);

int32_t CRYPT_SM4_XTS_Encrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len, uint8_t *iv);
#endif

int32_t CRYPT_SM4_SetEncryptKey(CRYPT_SM4_Ctx *ctx, const uint8_t *key, uint32_t len);

int32_t CRYPT_SM4_SetDecryptKey(CRYPT_SM4_Ctx *ctx, const uint8_t *key, uint32_t len);
 
#ifdef HITLS_CRYPTO_ECB
int32_t CRYPT_SM4_ECB_Encrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len);

int32_t CRYPT_SM4_ECB_Decrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len);
#endif
 
#ifdef HITLS_CRYPTO_CBC
int32_t CRYPT_SM4_CBC_Encrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len, uint8_t *iv);

int32_t CRYPT_SM4_CBC_Decrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len, uint8_t *iv);
#endif
 
#if defined(HITLS_CRYPTO_CTR) || defined(HITLS_CRYPTO_GCM)
int32_t CRYPT_SM4_CTR_Encrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len, uint8_t *iv);

int32_t CRYPT_SM4_CTR_Decrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len, uint8_t *iv);
#endif
 
#ifdef HITLS_CRYPTO_OFB
int32_t CRYPT_SM4_OFB_Encrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len, uint8_t *iv, uint8_t *offset);

int32_t CRYPT_SM4_OFB_Decrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len, uint8_t *iv, uint8_t *offset);
#endif
 
#ifdef HITLS_CRYPTO_CFB
int32_t CRYPT_SM4_CFB_Encrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len, uint8_t *iv, uint8_t *offset);

int32_t CRYPT_SM4_CFB_Decrypt(CRYPT_SM4_Ctx *ctx, const uint8_t *in, uint8_t *out, uint32_t len, uint8_t *iv, uint8_t *offset);
#endif
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif // HITLS_CRYPTO_SM4
 
#endif // CRYPT_SM4_H