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<?php |
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namespace NFePHP\Common\Certificate; |
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/** |
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* Class for management and use of digital certificates A1 (PKCS # 12) |
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* @category NFePHP |
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* @package NFePHP\Common\ProvateKey |
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* @copyright Copyright (c) 2008-2016 |
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* @license http://www.gnu.org/licenses/lesser.html LGPL v3 |
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* @author Antonio Spinelli <tonicospinelli85 at gmail dot com> |
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* @link http://github.com/nfephp-org/sped-common for the canonical source repository |
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*/ |
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use NFePHP\Common\Exception\CertificateException; |
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class PrivateKey implements SignatureInterface |
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{ |
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/** |
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* @var string |
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*/ |
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private $rawKey; |
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/** |
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* @var resource |
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*/ |
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private $resource; |
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/** |
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* @var array |
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*/ |
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private $details = []; |
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/** |
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* PublicKey constructor. |
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* @param string $privateKey Content of private key file |
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*/ |
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public function __construct($privateKey) |
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{ |
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$this->rawKey = $privateKey; |
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$this->read(); |
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} |
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/** |
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* Get a private key |
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* @link http://php.net/manual/en/function.openssl-pkey-get-private.php |
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* @return void |
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* @throws CertificateException An error has occurred when get private key |
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*/ |
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protected function read() |
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{ |
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if (!$resource = openssl_pkey_get_private($this->rawKey)) { |
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throw CertificateException::getPrivateKey(); |
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} |
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$this->details = openssl_pkey_get_details($resource); |
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$this->resource = $resource; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function sign($content, $algorithm = OPENSSL_ALGO_SHA1) |
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{ |
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$encryptedData = ''; |
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if (!openssl_sign($content, $encryptedData, $this->resource, $algorithm)) { |
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throw CertificateException::signContent(); |
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} |
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return $encryptedData; |
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} |
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/** |
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* Return the modulus of private key |
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* @return string |
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*/ |
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public function modulus() |
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{ |
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if (empty($this->details['n'])) { |
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return ''; |
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} |
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return base64_encode($this->details['n']); |
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} |
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/** |
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* Return the expoent of private key |
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* @return string |
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*/ |
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public function expoent() |
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{ |
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if (empty($this->details['e'])) { |
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return ''; |
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} |
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return base64_encode($this->details['e']); |
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} |
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/** |
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* Return raw private key |
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* @return string |
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*/ |
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1 |
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public function __toString() |
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{ |
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return $this->rawKey; |
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} |
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} |
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nfephp-org /
sped-common
