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/* $Id: base64.h 3553 2011-05-05 06:14:19Z nanang $ */
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* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifndef __PJLIB_UTIL_BASE64_H__
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#define __PJLIB_UTIL_BASE64_H__
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* @brief Base64 encoding and decoding
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#include <pjlib-util/types.h>
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* @defgroup PJLIB_UTIL_BASE64 Base64 Encoding/Decoding
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* @ingroup PJLIB_UTIL_ENCRYPTION
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* This module implements base64 encoding and decoding.
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* Helper macro to calculate the approximate length required for base256 to
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#define PJ_BASE256_TO_BASE64_LEN(len) (len * 4 / 3 + 3)
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* Helper macro to calculate the approximage length required for base64 to
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#define PJ_BASE64_TO_BASE256_LEN(len) (len * 3 / 4)
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* Encode a buffer into base64 encoding.
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* @param input The input buffer.
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* @param in_len Size of the input buffer.
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* @param output Output buffer. Caller must allocate this buffer with
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* the appropriate size.
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* @param out_len On entry, it specifies the length of the output buffer.
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* Upon return, this will be filled with the actual
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* length of the output buffer.
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* @return PJ_SUCCESS on success.
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PJ_DECL(pj_status_t) pj_base64_encode(const pj_uint8_t *input, int in_len,
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char *output, int *out_len);
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* Decode base64 string.
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* @param input Input string.
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* @param out Buffer to store the output. Caller must allocate
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* this buffer with the appropriate size.
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* @param out_len On entry, it specifies the length of the output buffer.
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* Upon return, this will be filled with the actual
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* length of the output.
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PJ_DECL(pj_status_t) pj_base64_decode(const pj_str_t *input,
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pj_uint8_t *out, int *out_len);
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#endif /* __PJLIB_UTIL_BASE64_H__ */