ShaHmac256WithRsaSignature.php
1.24 KB
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<?php
namespace AlibabaCloud\Client\Signature;
use AlibabaCloud\Client\Exception\ClientException;
use AlibabaCloud\Client\SDK;
use Exception;
/**
* Class ShaHmac256WithRsaSignature
*
* @package AlibabaCloud\Signature
*/
class ShaHmac256WithRsaSignature implements SignatureInterface
{
/**
* @return string
*/
public function getMethod()
{
return 'SHA256withRSA';
}
/**
* @return string
*/
public function getType()
{
return 'PRIVATEKEY';
}
/**
* @return string
*/
public function getVersion()
{
return '1.0';
}
/**
* @param string $string
* @param string $privateKey
*
* @return string
* @throws ClientException
*/
public function sign($string, $privateKey)
{
$binarySignature = '';
try {
openssl_sign(
$string,
$binarySignature,
$privateKey,
\OPENSSL_ALGO_SHA256
);
} catch (Exception $exception) {
throw new ClientException(
$exception->getMessage(),
SDK::INVALID_CREDENTIAL
);
}
return base64_encode($binarySignature);
}
}