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65 lines
1.1 KiB
65 lines
1.1 KiB
<?php
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namespace AlibabaCloud\Credentials\Signature;
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use Exception;
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use InvalidArgumentException;
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/**
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* Class ShaHmac256WithRsaSignature
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*
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* @package AlibabaCloud\Credentials\Signature
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*/
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class ShaHmac256WithRsaSignature implements SignatureInterface
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{
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/**
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* @return string
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*/
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public function getMethod()
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{
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return 'SHA256withRSA';
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}
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/**
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* @return string
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*/
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public function getType()
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{
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return 'PRIVATEKEY';
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}
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/**
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* @return string
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*/
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public function getVersion()
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{
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return '1.0';
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}
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/**
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* @param string $string
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* @param string $privateKey
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*
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* @return string
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*/
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public function sign($string, $privateKey)
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{
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$binarySignature = '';
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try {
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openssl_sign(
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$string,
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$binarySignature,
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$privateKey,
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\OPENSSL_ALGO_SHA256
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);
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} catch (Exception $exception) {
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throw new InvalidArgumentException(
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$exception->getMessage()
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);
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}
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return base64_encode($binarySignature);
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}
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}
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