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public static encrypt ( HiddenString $plaintext, |
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| $plaintext | HiddenString | The message to encrypt |
| $ourPrivateKey | Our private key | |
| $theirPublicKey | Their public key | |
| $encoding | mixed | Which encoding scheme to use? |
| return | string | Ciphertext |
public static function encrypt(HiddenString $plaintext, EncryptionSecretKey $ourPrivateKey, EncryptionPublicKey $theirPublicKey, $encoding = Halite::ENCODE_BASE64URLSAFE) : string
{
$sharedSecretKey = new EncryptionKey(self::getSharedSecret($ourPrivateKey, $theirPublicKey));
$ciphertext = SymmetricCrypto::encrypt($plaintext, $sharedSecretKey, $encoding);
unset($sharedSecretKey);
return $ciphertext;
} /**
* @covers Asymmetric::encrypt()
* @covers Asymmetric::decrypt()
*/
public function testEncryptFail()
{
$alice = KeyFactory::generateEncryptionKeyPair();
$bob = KeyFactory::generateEncryptionKeyPair();
$message = Asymmetric::encrypt('test message', $alice->getSecretKey(), $bob->getPublicKey(), true);
$r = \Sodium\randombytes_uniform(\mb_strlen($message, '8bit'));
$amt = \Sodium\randombytes_uniform(8);
$message[$r] = \chr(\ord($message[$r]) ^ 1 << $amt);
try {
$plain = Asymmetric::decrypt($message, $bob->getSecretKey(), $alice->getPublicKey(), true);
$this->assertEquals($plain, $message);
$this->fail('This should have thrown an InvalidMessage exception!');
} catch (CryptoException\InvalidMessage $e) {
$this->assertTrue($e instanceof CryptoException\InvalidMessage);
}
}
