public function testZendCryptHasAnExample()
{
$versions = ['2015.01.31' => ['crypto_adapter' => '\\Lstr\\Upcrypto\\CryptoAdapter\\ZendCryptAdapter', 'crypto_key' => 'the original key'], '2015.05.19' => ['crypto_adapter' => '\\Lstr\\Upcrypto\\CryptoAdapter\\ZendCryptAdapter', 'crypto_key' => 'the new and improved key']];
$old_version_loader = new ArrayCryptoVersionLoader(['2015.01.31' => $versions['2015.01.31']]);
$original_upcrypto = new Upcrypto($old_version_loader);
$loaded_value = $original_upcrypto->encrypt('tada');
// pretend the encrypted $loaded_value is actually stored in a database
// and we just read the encrypted value from the database into $loaded_value
$version_loader = new ArrayCryptoVersionLoader(['2015.01.31' => $versions['2015.01.31'], '2015.05.19' => $versions['2015.05.19']]);
$upcrypto = new Upcrypto($version_loader);
// if you just want to decrypt the value
$this->assertEquals('tada', $upcrypto->decrypt($loaded_value));
// if we want to check if the encryption is our most current
// method of encryption
if (!$upcrypto->isUpToDate($loaded_value)) {
// if it is not, we can upgrade it to the latest methodology
$new_encryption = $upcrypto->upgradeEncryption($loaded_value);
// now you can save the data back to the database
// the upgraded version still decrypts to the propery value
$this->assertEquals('tada', $upcrypto->decrypt($new_encryption));
// and the original encryption cipher is not the same as the
// new encrpytion cipher
$this->assertNotEquals($loaded_value, $new_encryption);
} else {
$this->assertFalse(true);
}
}
/**
* @covers ::__construct
* @covers ::upgradeEncryption
* @covers ::<private>
*/
public function testUpToDateEncryptionLeavesEncryptionObjectUnchanged()
{
$crypto_adapter = $this->getMockBuilder('\\Lstr\\Upcrypto\\CryptoAdapter\\CryptoAdapterInterface')->getMock();
$version_loader = $this->getMockBuilder('\\Lstr\\Upcrypto\\CryptoVersionLoader\\AbstractCryptoVersionLoader')->setMethods(['getLatestCryptoVersionId', 'getCryptoForVersion'])->getMock();
$version_loader->expects($this->any())->method('getLatestCryptoVersionId')->will($this->returnValue(2));
$version_loader->expects($this->any())->method('getCryptoForVersion')->will($this->returnValue($crypto_adapter));
$upcrypto = new Upcrypto($version_loader);
$old_encryption = $upcrypto->encrypt('historically encrypted');
$this->assertTrue($upcrypto->isUpToDate($old_encryption));
$new_encryption = $upcrypto->upgradeEncryption($old_encryption);
$this->assertTrue($upcrypto->isUpToDate($new_encryption));
$this->assertEquals($old_encryption, $new_encryption);
}