ShaHmac256Signature.php
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<?php
namespace AlibabaCloud\Client\Signature;
/**
* Class ShaHmac256Signature
*
* @package AlibabaCloud\Signature
*/
class ShaHmac256Signature implements SignatureInterface
{
/**
* @return string
*/
public function getMethod()
{
return 'HMAC-SHA256';
}
/**
* @return string
*/
public function getType()
{
return '';
}
/**
* @return string
*/
public function getVersion()
{
return '1.0';
}
/**
* @param string $string
* @param string $accessKeySecret
*
* @return string
*/
public function sign($string, $accessKeySecret)
{
return base64_encode(hash_hmac('sha256', $string, $accessKeySecret, true));
}
}