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<?php |
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/** |
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* Cryptographic digital signature protocol. |
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*/ |
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namespace CryptoManana\CryptographicProtocol; |
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use \CryptoManana\Core\Abstractions\Containers\AbstractCryptographicProtocol as CryptographicProtocol; |
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use \CryptoManana\Core\Abstractions\MessageEncryption\AbstractAsymmetricEncryptionAlgorithm as AsymmetricCipher; |
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use \CryptoManana\Core\Interfaces\MessageEncryption\DataSigningInterface as DataSigning; |
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use \CryptoManana\Core\Interfaces\Containers\SignatureStandardInjectableInterface as SignatureStandardSetter; |
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use \CryptoManana\Core\Interfaces\Containers\SignedDataInterface as SignedDataObjectProcessing; |
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use \CryptoManana\Core\Traits\Containers\SignatureStandardInjectableTrait as SignatureStandardSetterImplementation; |
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use \CryptoManana\DataStructures\SignedData as SignedDataStructure; |
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/** |
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* Class DigitalSignature - The digital signature cryptographic protocol object. |
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* |
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* @package CryptoManana\CryptographicProtocol |
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* |
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* @mixin SignatureStandardSetterImplementation |
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*/ |
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class DigitalSignature extends CryptographicProtocol implements SignatureStandardSetter, SignedDataObjectProcessing |
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{ |
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/** |
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* The digital signature service dependency injection via a setter method implementation. |
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* |
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* {@internal Reusable implementation of `SignatureStandardInjectableInterface`. }} |
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*/ |
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use SignatureStandardSetterImplementation; |
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/** |
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* The digital signature service property storage. |
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* |
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* @var AsymmetricCipher|DataSigning|null The digital signature service. |
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*/ |
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protected $signatureSource = null; |
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/** |
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* Container constructor. |
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* |
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* @param AsymmetricCipher|DataSigning|null $signatureAlgorithm The digital signature service. |
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* |
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* @throws \Exception Initialization validation. |
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*/ |
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public function __construct(AsymmetricCipher $signatureAlgorithm = null) |
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{ |
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if ($signatureAlgorithm instanceof DataSigning) { |
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$this->signatureSource = $signatureAlgorithm; |
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} else { |
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throw new \RuntimeException('No digital signature standard service has been set.'); |
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} |
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} |
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/** |
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* Container destructor. |
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*/ |
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public function __destruct() |
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{ |
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unset($this->signatureSource); |
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} |
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/** |
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* Container cloning via deep copy. |
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*/ |
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public function __clone() |
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{ |
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$this->signatureSource = clone $this->signatureSource; |
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} |
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/** |
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* Creates a signed data object for the given input data. |
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* |
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* @param string $plainData The plain input string. |
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* |
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* @return SignedDataStructure The signed data object. |
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* @throws \Exception Validation errors. |
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*/ |
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public function createSignedData($plainData) |
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{ |
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$signatureData = $this->signatureSource->signData($plainData); |
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return new SignedDataStructure($plainData, $signatureData); |
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} |
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/** |
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* Verifies and extracts the plain data from a signed data object. |
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* |
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* @param SignedDataStructure $signedData The signed data object. |
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* |
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* @return string The verified plain information. |
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* @throws \Exception Validation errors. |
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*/ |
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public function extractVerifiedData(SignedDataStructure $signedData) |
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{ |
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if (!$this->signatureSource->verifyDataSignature($signedData->signature, $signedData->data)) { |
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throw new \RuntimeException('Wrong signature, the data has been tampered with or defected.'); |
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} |
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return $signedData->data; |
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} |
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} |
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TonyKaravasilev /
CryptoManana
Loading history...
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.