pem.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_PEM_H
#define MBEDTLS_PEM_H

#include <stddef.h>

#define MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT          -0x1080  
#define MBEDTLS_ERR_PEM_INVALID_DATA                      -0x1100  
#define MBEDTLS_ERR_PEM_ALLOC_FAILED                      -0x1180  
#define MBEDTLS_ERR_PEM_INVALID_ENC_IV                    -0x1200  
#define MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG                   -0x1280  
#define MBEDTLS_ERR_PEM_PASSWORD_REQUIRED                 -0x1300  
#define MBEDTLS_ERR_PEM_PASSWORD_MISMATCH                 -0x1380  
#define MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE               -0x1400  
#define MBEDTLS_ERR_PEM_BAD_INPUT_DATA                    -0x1480  
/* \} name */

#ifdef __cplusplus
extern "C" {
#endif

#if defined(MBEDTLS_PEM_PARSE_C)

typedef struct mbedtls_pem_context
{
    unsigned char *buf;     
    size_t buflen;          
    unsigned char *info;    
}
mbedtls_pem_context;

void mbedtls_pem_init( mbedtls_pem_context *ctx );

int mbedtls_pem_read_buffer( mbedtls_pem_context *ctx, const char *header, const char *footer,
                     const unsigned char *data,
                     const unsigned char *pwd,
                     size_t pwdlen, size_t *use_len );

void mbedtls_pem_free( mbedtls_pem_context *ctx );
#endif /* MBEDTLS_PEM_PARSE_C */

#if defined(MBEDTLS_PEM_WRITE_C)

int mbedtls_pem_write_buffer( const char *header, const char *footer,
                      const unsigned char *der_data, size_t der_len,
                      unsigned char *buf, size_t buf_len, size_t *olen );
#endif /* MBEDTLS_PEM_WRITE_C */

#ifdef __cplusplus
}
#endif

#endif /* pem.h */