camellia.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_CAMELLIA_H
#define MBEDTLS_CAMELLIA_H
#include "mbedtls/private_access.h"

#include "mbedtls/build_info.h"

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

#include "mbedtls/platform_util.h"

#define MBEDTLS_CAMELLIA_ENCRYPT     1
#define MBEDTLS_CAMELLIA_DECRYPT     0

#define MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA -0x0024

#define MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH -0x0026

#ifdef __cplusplus
extern "C" {
#endif

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

typedef struct mbedtls_camellia_context
{
    int MBEDTLS_PRIVATE(nr);                     
    uint32_t MBEDTLS_PRIVATE(rk)[68];            
}
mbedtls_camellia_context;

#else  /* MBEDTLS_CAMELLIA_ALT */
#include "camellia_alt.h"
#endif /* MBEDTLS_CAMELLIA_ALT */

void mbedtls_camellia_init( mbedtls_camellia_context *ctx );

void mbedtls_camellia_free( mbedtls_camellia_context *ctx );

int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx,
                                 const unsigned char *key,
                                 unsigned int keybits );

int mbedtls_camellia_setkey_dec( mbedtls_camellia_context *ctx,
                                 const unsigned char *key,
                                 unsigned int keybits );

int mbedtls_camellia_crypt_ecb( mbedtls_camellia_context *ctx,
                    int mode,
                    const unsigned char input[16],
                    unsigned char output[16] );

#if defined(MBEDTLS_CIPHER_MODE_CBC)

int mbedtls_camellia_crypt_cbc( mbedtls_camellia_context *ctx,
                    int mode,
                    size_t length,
                    unsigned char iv[16],
                    const unsigned char *input,
                    unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CBC */

#if defined(MBEDTLS_CIPHER_MODE_CFB)

int mbedtls_camellia_crypt_cfb128( mbedtls_camellia_context *ctx,
                       int mode,
                       size_t length,
                       size_t *iv_off,
                       unsigned char iv[16],
                       const unsigned char *input,
                       unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CFB */

#if defined(MBEDTLS_CIPHER_MODE_CTR)

int mbedtls_camellia_crypt_ctr( mbedtls_camellia_context *ctx,
                       size_t length,
                       size_t *nc_off,
                       unsigned char nonce_counter[16],
                       unsigned char stream_block[16],
                       const unsigned char *input,
                       unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CTR */

#if defined(MBEDTLS_SELF_TEST)

int mbedtls_camellia_self_test( int verbose );

#endif /* MBEDTLS_SELF_TEST */

#ifdef __cplusplus
}
#endif

#endif /* camellia.h */