| /** |
| * \file base64.h |
| * |
| * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine |
| * |
| * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org> |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the names of PolarSSL or XySSL nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
| * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef POLARSSL_BASE64_H |
| #define POLARSSL_BASE64_H |
| |
| #define POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL -0x0010 |
| #define POLARSSL_ERR_BASE64_INVALID_CHARACTER -0x0012 |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * \brief Encode a buffer into base64 format |
| * |
| * \param dst destination buffer |
| * \param dlen size of the buffer |
| * \param src source buffer |
| * \param slen amount of data to be encoded |
| * |
| * \return 0 if successful, or POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL. |
| * *dlen is always updated to reflect the amount |
| * of data that has (or would have) been written. |
| * |
| * \note Call this function with *dlen = 0 to obtain the |
| * required buffer size in *dlen |
| */ |
| int base64_encode( unsigned char *dst, int *dlen, |
| unsigned char *src, int slen ); |
| |
| /** |
| * \brief Decode a base64-formatted buffer |
| * |
| * \param dst destination buffer |
| * \param dlen size of the buffer |
| * \param src source buffer |
| * \param slen amount of data to be decoded |
| * |
| * \return 0 if successful, POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL, or |
| * POLARSSL_ERR_BASE64_INVALID_DATA if the input data is not |
| * correct. *dlen is always updated to reflect the amount |
| * of data that has (or would have) been written. |
| * |
| * \note Call this function with *dlen = 0 to obtain the |
| * required buffer size in *dlen |
| */ |
| int base64_decode( unsigned char *dst, int *dlen, |
| unsigned char *src, int slen ); |
| |
| /** |
| * \brief Checkup routine |
| * |
| * \return 0 if successful, or 1 if the test failed |
| */ |
| int base64_self_test( int verbose ); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* base64.h */ |
