34 lines
794 B
PHP
34 lines
794 B
PHP
<?php
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namespace oat\tao\model\security;
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use oat\oatbox\service\ConfigurableService;
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use oat\tao\model\metadata\exception\InconsistencyConfigException;
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class SignatureGenerator extends ConfigurableService
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{
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const SERVICE_ID = 'tao/SignatureGenerator';
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const OPTION_SALT = 'salt';
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/**
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* @param string[] $dataToSign
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*
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* @return string
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*
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* @throws InconsistencyConfigException
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*/
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public function generate(...$dataToSign)
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{
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$salt = $this->getOption(self::OPTION_SALT);
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if (empty($salt)) {
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throw new InconsistencyConfigException(sprintf('Option %s is not defined', self::OPTION_SALT));
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}
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$dataToCheck = json_encode($dataToSign);
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return hash('sha256', $salt . $dataToCheck . $salt);
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}
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}
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