aria.h

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/*
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
 *  not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

#ifndef MBEDTLS_ARIA_H
#define MBEDTLS_ARIA_H
#include "mbedtls/private_access.h"

#include "mbedtls/build_info.h"

#include <stddef.h>
#include <stdint.h>

#include "mbedtls/platform_util.h"

#define MBEDTLS_ARIA_ENCRYPT     1 
#define MBEDTLS_ARIA_DECRYPT     0 
#define MBEDTLS_ARIA_BLOCKSIZE   16 
#define MBEDTLS_ARIA_MAX_ROUNDS  16 
#define MBEDTLS_ARIA_MAX_KEYSIZE 32 
#define MBEDTLS_ERR_ARIA_BAD_INPUT_DATA -0x005C

#define MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH -0x005E

#ifdef __cplusplus
extern "C" {
#endif

#if !defined(MBEDTLS_ARIA_ALT)
// Regular implementation
//

typedef struct mbedtls_aria_context
{
    unsigned char MBEDTLS_PRIVATE(nr);           
    uint32_t MBEDTLS_PRIVATE(rk)[MBEDTLS_ARIA_MAX_ROUNDS + 1][MBEDTLS_ARIA_BLOCKSIZE / 4];
}
mbedtls_aria_context;

#else  /* MBEDTLS_ARIA_ALT */
#include "aria_alt.h"
#endif /* MBEDTLS_ARIA_ALT */

void mbedtls_aria_init( mbedtls_aria_context *ctx );

void mbedtls_aria_free( mbedtls_aria_context *ctx );

int mbedtls_aria_setkey_enc( mbedtls_aria_context *ctx,
                             const unsigned char *key,
                             unsigned int keybits );

int mbedtls_aria_setkey_dec( mbedtls_aria_context *ctx,
                             const unsigned char *key,
                             unsigned int keybits );

int mbedtls_aria_crypt_ecb( mbedtls_aria_context *ctx,
                            const unsigned char input[MBEDTLS_ARIA_BLOCKSIZE],
                            unsigned char output[MBEDTLS_ARIA_BLOCKSIZE] );

#if defined(MBEDTLS_CIPHER_MODE_CBC)

int mbedtls_aria_crypt_cbc( mbedtls_aria_context *ctx,
                            int mode,
                            size_t length,
                            unsigned char iv[MBEDTLS_ARIA_BLOCKSIZE],
                            const unsigned char *input,
                            unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CFB)

int mbedtls_aria_crypt_cfb128( mbedtls_aria_context *ctx,
                               int mode,
                               size_t length,
                               size_t *iv_off,
                               unsigned char iv[MBEDTLS_ARIA_BLOCKSIZE],
                               const unsigned char *input,
                               unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)

int mbedtls_aria_crypt_ctr( mbedtls_aria_context *ctx,
                            size_t length,
                            size_t *nc_off,
                            unsigned char nonce_counter[MBEDTLS_ARIA_BLOCKSIZE],
                            unsigned char stream_block[MBEDTLS_ARIA_BLOCKSIZE],
                            const unsigned char *input,
                            unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CTR */

#if defined(MBEDTLS_SELF_TEST)

int mbedtls_aria_self_test( int verbose );
#endif /* MBEDTLS_SELF_TEST */

#ifdef __cplusplus
}
#endif

#endif /* aria.h */