如何C#使用HMAC-SHA1算法生成oauth
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子衿沉夜
TA貢獻1828條經驗 獲得超3個贊
用JQ寫的
| 1234567891011121314151617181920212223242526272829303132333435 | /** * @brief 使用HMAC-SHA1算法生成oauth_signature簽名值 * * @param $key 密鑰 * @param $str 源串 * * @return 簽名值 */ function getSignature($str, $key) { $signature = ""; if (function_exists('hash_hmac')) { $signature = base64_encode(hash_hmac("sha1", $str, $key, true)); } else { $blocksize = 64; $hashfunc = 'sha1'; if (strlen($key) > $blocksize) { $key = pack('H*', $hashfunc($key)); } $key = str_pad($key, $blocksize, chr(0x00)); $ipad = str_repeat(chr(0x36), $blocksize); $opad = str_repeat(chr(0x5c), $blocksize); $hmac = pack( 'H*', $hashfunc( ($key ^ $opad) . pack( 'H*', $hashfunc( ($key ^ $ipad) . $str ) ) ) ); $signature = base64_encode($hmac); } return $signature; } |
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