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<?php |
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namespace Sop\CryptoBridge; |
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use Sop\CryptoTypes\AlgorithmIdentifier\Cipher\CipherAlgorithmIdentifier; |
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use Sop\CryptoTypes\AlgorithmIdentifier\Feature\SignatureAlgorithmIdentifier; |
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use Sop\CryptoTypes\Asymmetric\PrivateKeyInfo; |
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use Sop\CryptoTypes\Asymmetric\PublicKeyInfo; |
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use Sop\CryptoTypes\Signature\Signature; |
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/** |
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* Base class for crypto engine implementations. |
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*/ |
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abstract class Crypto |
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{ |
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/** |
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* Sign data with given algorithm using given private key. |
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* |
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* @param string $data Data to sign |
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* @param PrivateKeyInfo $privkey_info Private key |
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* @param SignatureAlgorithmIdentifier $algo Signature algorithm |
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* @return Signature |
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*/ |
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abstract public function sign($data, PrivateKeyInfo $privkey_info, |
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SignatureAlgorithmIdentifier $algo); |
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/** |
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* Verify signature with given algorithm using given public key. |
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* |
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* @param string $data Data to verify |
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* @param Signature $signature Signature |
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* @param PublicKeyInfo $pubkey_info Public key |
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* @param SignatureAlgorithmIdentifier $algo Signature algorithm |
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* @return bool True if signature matches |
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*/ |
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abstract public function verify($data, Signature $signature, |
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PublicKeyInfo $pubkey_info, SignatureAlgorithmIdentifier $algo); |
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/** |
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* Encrypt data with given algorithm using given key. |
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* |
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* Padding must be added by the caller. Initialization vector is |
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* taken from the algorithm identifier if available. |
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* |
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* @param string $data Plaintext |
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* @param string $key Encryption key |
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* @param CipherAlgorithmIdentifier $algo Encryption algorithm |
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* @return string Ciphertext |
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*/ |
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abstract public function encrypt($data, $key, CipherAlgorithmIdentifier $algo); |
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/** |
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* Decrypt data with given algorithm using given key. |
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* |
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* Possible padding is not removed and must be handled by the caller. |
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* Initialization vector is taken from the algorithm identifier if |
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* available. |
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* |
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* @param string $data Ciphertext |
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* @param string $key Encryption key |
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* @param CipherAlgorithmIdentifier $algo Encryption algorithm |
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* @return string Plaintext |
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*/ |
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abstract public function decrypt($data, $key, CipherAlgorithmIdentifier $algo); |
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/** |
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* Get default supported crypto implementation. |
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* |
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* @return self |
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*/ |
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public static function getDefault() |
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{ |
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if (defined("OPENSSL_VERSION_NUMBER")) { |
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return new Crypto\OpenSSLCrypto(); |
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} |
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// @codeCoverageIgnoreStart |
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throw new \RuntimeException("No crypto implementation available."); |
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// @codeCoverageIgnoreEnd |
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} |
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} |
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sop /
crypto-bridge
