| | |
| | | <?php |
| | | // +-----------------------------------------------------------------------+ |
| | | // | Copyright (c) 2002-2003 Richard Heyes | |
| | | // | All rights reserved. | |
| | | // | | |
| | | // | Redistribution and use in source and binary forms, with or without | |
| | | // | modification, are permitted provided that the following conditions | |
| | | // | are met: | |
| | | // | | |
| | | // | o Redistributions of source code must retain the above copyright | |
| | | // | notice, this list of conditions and the following disclaimer. | |
| | | // | o 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.| |
| | | // | o The names of the authors may not 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. | |
| | | // | | |
| | | // +-----------------------------------------------------------------------+ |
| | | // | Author: Richard Heyes <richard@php.net> | |
| | | // +-----------------------------------------------------------------------+ |
| | | // |
| | | // +-----------------------------------------------------------------------+ |
| | | // | Copyright (c) 2002-2003 Richard Heyes | |
| | | // | All rights reserved. | |
| | | // | | |
| | | // | Redistribution and use in source and binary forms, with or without | |
| | | // | modification, are permitted provided that the following conditions | |
| | | // | are met: | |
| | | // | | |
| | | // | o Redistributions of source code must retain the above copyright | |
| | | // | notice, this list of conditions and the following disclaimer. | |
| | | // | o 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.| |
| | | // | o The names of the authors may not 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. | |
| | | // | | |
| | | // +-----------------------------------------------------------------------+ |
| | | // | Author: Richard Heyes <richard@php.net> | |
| | | // +-----------------------------------------------------------------------+ |
| | | // |
| | | // $Id$ |
| | | |
| | | /** |
| | |
| | | * Function which implements HMAC MD5 digest |
| | | * |
| | | * @param string $key The secret key |
| | | * @param string $data The data to protect |
| | | * @return string The HMAC MD5 digest |
| | | * @param string $data The data to hash |
| | | * @param bool $raw_output Whether the digest is returned in binary or hexadecimal format. |
| | | * |
| | | * @return string The HMAC-MD5 digest |
| | | */ |
| | | function _HMAC_MD5($key, $data) |
| | | function _HMAC_MD5($key, $data, $raw_output = FALSE) |
| | | { |
| | | if (strlen($key) > 64) { |
| | | $key = pack('H32', md5($key)); |
| | |
| | | $k_opad = substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64); |
| | | |
| | | $inner = pack('H32', md5($k_ipad . $data)); |
| | | $digest = md5($k_opad . $inner); |
| | | $digest = md5($k_opad . $inner, $raw_output); |
| | | |
| | | return $digest; |
| | | } |
| | | |
| | | /** |
| | | * Function which implements HMAC-SHA-1 digest |
| | | * |
| | | * @param string $key The secret key |
| | | * @param string $data The data to hash |
| | | * @param bool $raw_output Whether the digest is returned in binary or hexadecimal format. |
| | | * @return string The HMAC-SHA-1 digest |
| | | * @author Jehan <jehan.marmottard@gmail.com> |
| | | * @access protected |
| | | */ |
| | | protected function _HMAC_SHA1($key, $data, $raw_output = FALSE) |
| | | { |
| | | if (strlen($key) > 64) { |
| | | $key = sha1($key, TRUE); |
| | | } |
| | | |
| | | if (strlen($key) < 64) { |
| | | $key = str_pad($key, 64, chr(0)); |
| | | } |
| | | |
| | | $k_ipad = substr($key, 0, 64) ^ str_repeat(chr(0x36), 64); |
| | | $k_opad = substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64); |
| | | |
| | | $inner = pack('H40', sha1($k_ipad . $data)); |
| | | $digest = sha1($k_opad . $inner, $raw_output); |
| | | |
| | | return $digest; |
| | | } |
| | | } |
| | | ?> |