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afc9f776d2
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20429 3c298f89-4303-0410-b956-a3cf2f4a3e73
94 lines
3.5 KiB
C
94 lines
3.5 KiB
C
/**
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* \file base64.h
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*
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* Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
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*
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* Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the names of PolarSSL or XySSL nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef POLARSSL_BASE64_H
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#define POLARSSL_BASE64_H
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#define POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL -0x0010
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#define POLARSSL_ERR_BASE64_INVALID_CHARACTER -0x0012
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief Encode a buffer into base64 format
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*
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* \param dst destination buffer
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* \param dlen size of the buffer
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* \param src source buffer
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* \param slen amount of data to be encoded
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*
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* \return 0 if successful, or POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL.
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* *dlen is always updated to reflect the amount
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* of data that has (or would have) been written.
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*
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* \note Call this function with *dlen = 0 to obtain the
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* required buffer size in *dlen
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*/
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int base64_encode( unsigned char *dst, int *dlen,
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unsigned char *src, int slen );
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/**
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* \brief Decode a base64-formatted buffer
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*
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* \param dst destination buffer
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* \param dlen size of the buffer
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* \param src source buffer
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* \param slen amount of data to be decoded
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*
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* \return 0 if successful, POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL, or
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* POLARSSL_ERR_BASE64_INVALID_DATA if the input data is not
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* correct. *dlen is always updated to reflect the amount
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* of data that has (or would have) been written.
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*
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* \note Call this function with *dlen = 0 to obtain the
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* required buffer size in *dlen
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*/
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int base64_decode( unsigned char *dst, int *dlen,
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unsigned char *src, int slen );
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/**
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* \brief Checkup routine
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*
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* \return 0 if successful, or 1 if the test failed
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*/
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int base64_self_test( int verbose );
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#ifdef __cplusplus
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}
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#endif
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#endif /* base64.h */
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