text: /*  Copyright (c) 2006-2008, Philip Busch <philip@0xe3.com>
   *  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.
   *
   *  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.
   */
  
  /**
   * @file
   * Base64 header.
   * @ingroup base64
   */
  
  #ifndef _BASE64_H
  #define _BASE64_H
  
  namespace ns_ectoken_v3 {
  
  #include <stddef.h>
  
  void   base64_encode_block(unsigned char out[4], const unsigned char in[3], const size_t len, const char charset[]);
  int    base64_decode_block(unsigned char out[3], const unsigned char in[4], const size_t len);
  size_t base64_encoded_size(const size_t len);
  size_t base64_decoded_size(const size_t len);
  size_t base64_encode_binary(char *out, const unsigned char *in, size_t len, const char charset[]);
  int    base64_decode_binary(unsigned char *out, const char *in, const size_t len);
  int    base64_encode(char* out, const char *in, const size_t len);
  int    url_safe_base64_encode(char* out, const char *in, const size_t len);
  
  }
  
  #endif /* ! _BASE64_H */
  