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<?php namespace security\rsa; |
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/** |
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* Copyright 2015 OpenStack Foundation |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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**/ |
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use security\rsa\exceptions\RSABadPEMFormat; |
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use phpseclib\Crypt\RSA; |
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use phpseclib\Math\BigInteger; |
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/** |
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* Class _AbstractRSAKeyPEMFormat |
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* @package security\rsa |
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*/ |
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abstract class _AbstractRSAKeyPEMFormat { |
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/** |
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* @var string |
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*/ |
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protected $pem_format; |
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/** |
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* @var RSA |
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*/ |
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protected $rsa_imp; |
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/** |
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* @var BigInteger |
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*/ |
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protected $n; |
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/** |
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* @var string |
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*/ |
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protected $password; |
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/** |
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* @return null|string |
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*/ |
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public function getPassword():?string{ |
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return $this->password; |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasPassword():bool{ |
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return !empty($this->password); |
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} |
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/** |
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* @param string $pem_format |
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* @param string $password |
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* @throws RSABadPEMFormat |
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*/ |
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public function __construct($pem_format, $password = null){ |
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$this->pem_format = $pem_format; |
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$this->rsa_imp = new RSA(); |
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if(!empty($password)) { |
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$this->password = trim($password); |
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$this->rsa_imp->setPassword($this->password); |
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} |
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$res = $this->rsa_imp->loadKey($this->pem_format, RSA::PRIVATE_FORMAT_PKCS1); |
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if(!$res) throw new RSABadPEMFormat(sprintf('pem %s',$pem_format )); |
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$this->n = $this->rsa_imp->modulus; |
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} |
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/** |
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* Returns The "n" (modulus) |
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* @return BigInteger |
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*/ |
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public function getModulus() |
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{ |
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return $this->n; |
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} |
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} |
smarcet /
JOSE4PHP
