md2.h

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/*
 *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
 *  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.
 *
 *  This file is part of mbed TLS (https://tls.mbed.org)
 *
 */
#ifndef MBEDTLS_MD2_H
#define MBEDTLS_MD2_H

#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif

#include <stddef.h>

/* MBEDTLS_ERR_MD2_HW_ACCEL_FAILED is deprecated and should not be used. */
#define MBEDTLS_ERR_MD2_HW_ACCEL_FAILED                   -0x002B  
#ifdef __cplusplus
extern "C" {
#endif

#if !defined(MBEDTLS_MD2_ALT)
// Regular implementation
//

typedef struct mbedtls_md2_context
{
    unsigned char cksum[16];    
    unsigned char state[48];    
    unsigned char buffer[16];   
    size_t left;                
}
mbedtls_md2_context;

#else  /* MBEDTLS_MD2_ALT */
#include "md2_alt.h"
#endif /* MBEDTLS_MD2_ALT */

void mbedtls_md2_init( mbedtls_md2_context *ctx );

void mbedtls_md2_free( mbedtls_md2_context *ctx );

void mbedtls_md2_clone( mbedtls_md2_context *dst,
                        const mbedtls_md2_context *src );

int mbedtls_md2_starts_ret( mbedtls_md2_context *ctx );

int mbedtls_md2_update_ret( mbedtls_md2_context *ctx,
                            const unsigned char *input,
                            size_t ilen );

int mbedtls_md2_finish_ret( mbedtls_md2_context *ctx,
                            unsigned char output[16] );

int mbedtls_internal_md2_process( mbedtls_md2_context *ctx );

#if !defined(MBEDTLS_DEPRECATED_REMOVED)
#if defined(MBEDTLS_DEPRECATED_WARNING)
#define MBEDTLS_DEPRECATED      __attribute__((deprecated))
#else
#define MBEDTLS_DEPRECATED
#endif

MBEDTLS_DEPRECATED void mbedtls_md2_starts( mbedtls_md2_context *ctx );

MBEDTLS_DEPRECATED void mbedtls_md2_update( mbedtls_md2_context *ctx,
                                            const unsigned char *input,
                                            size_t ilen );

MBEDTLS_DEPRECATED void mbedtls_md2_finish( mbedtls_md2_context *ctx,
                                            unsigned char output[16] );

MBEDTLS_DEPRECATED void mbedtls_md2_process( mbedtls_md2_context *ctx );

#undef MBEDTLS_DEPRECATED
#endif /* !MBEDTLS_DEPRECATED_REMOVED */

int mbedtls_md2_ret( const unsigned char *input,
                     size_t ilen,
                     unsigned char output[16] );

#if !defined(MBEDTLS_DEPRECATED_REMOVED)
#if defined(MBEDTLS_DEPRECATED_WARNING)
#define MBEDTLS_DEPRECATED      __attribute__((deprecated))
#else
#define MBEDTLS_DEPRECATED
#endif

MBEDTLS_DEPRECATED void mbedtls_md2( const unsigned char *input,
                                     size_t ilen,
                                     unsigned char output[16] );

#undef MBEDTLS_DEPRECATED
#endif /* !MBEDTLS_DEPRECATED_REMOVED */

int mbedtls_md2_self_test( int verbose );

#ifdef __cplusplus
}
#endif

#endif /* mbedtls_md2.h */