public function testDecryptPrivateKey()
{
// test successful decrypt
$crypted = \OCA\Files_Encryption\Crypt::symmetricEncryptFileContent($this->genPrivateKey, 'hat');
$header = \OCA\Files_Encryption\Crypt::generateHeader();
$decrypted = \OCA\Files_Encryption\Crypt::decryptPrivateKey($header . $crypted, 'hat');
$this->assertEquals($this->genPrivateKey, $decrypted);
//test private key decrypt with wrong password
$wrongPasswd = \OCA\Files_Encryption\Crypt::decryptPrivateKey($crypted, 'hat2');
$this->assertEquals(false, $wrongPasswd);
}
/**
* write header at beginning of encrypted file
*
* @throws \OCA\Files_Encryption\Exception\EncryptionException
*/
private function writeHeader()
{
$header = Crypt::generateHeader();
if (strlen($header) > Crypt::BLOCKSIZE) {
throw new EncryptionException('max header size exceeded', EncryptionException::ENCRYPTION_HEADER_TO_LARGE);
}
$paddedHeader = str_pad($header, Crypt::BLOCKSIZE, self::PADDING_CHAR, STR_PAD_RIGHT);
fwrite($this->handle, $paddedHeader);
$this->headerWritten = true;
}
/**
* @medium
*/
function testSetPrivateSystemKey()
{
$key = "dummy key";
$keyName = "myDummyKey";
$encHeader = \OCA\Files_Encryption\Crypt::generateHeader();
\OCA\Files_Encryption\Keymanager::setPrivateSystemKey($key, $keyName);
$this->assertTrue($this->view->file_exists('/files_encryption/' . $keyName . '.privateKey'));
$result = \OCA\Files_Encryption\Keymanager::getPrivateSystemKey($keyName);
$this->assertSame($encHeader . $key, $result);
// clean up
$this->view->unlink('/files_encryption/' . $keyName . '.privateKey');
}
