使用HMAC-SHA1签名方法详解
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2022-06-21 12:28:02
加密算法:使用hmac-sha1签名方法复制代码 代码如下: /** * @brief...
加密算法:
使用hmac-sha1签名方法
/**
* @brief 使用hmac-sha1算法生成oauth_signature签名值
*
* @param $key 密钥
* @param $str 源串
*
* @return 签名值
*/
function getsignature($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;
}
使用hmac-sha1签名方法
复制代码 代码如下:
/**
* @brief 使用hmac-sha1算法生成oauth_signature签名值
*
* @param $key 密钥
* @param $str 源串
*
* @return 签名值
*/
function getsignature($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;
}