protected void EncryptDecryptFileTest(IEncryption crypto)
{
string tempPath = Path.GetTempPath();
string testOrginalFileName = Path.Combine(tempPath, "Test.txt");
string encrypttestFileName = Path.Combine(tempPath, "Test.txt.enc");
string testDecryptedFileName = Path.Combine(tempPath, "Test1.txt");
string plainText = GenerateRandomText(2000);
string key = GenerateRandomText(5);
Trace.WriteLine(string.Format("keyUsed={0}", key));
Trace.WriteLine(string.Format("plainText={0}", plainText));
File.WriteAllText(testOrginalFileName, plainText);
crypto.EncryptFile(testOrginalFileName, encrypttestFileName, key);
crypto.DecryptFile(encrypttestFileName, testDecryptedFileName, key);
string unEncryptedText = File.ReadAllText(testDecryptedFileName);
Assert.AreEqual(plainText, unEncryptedText);
File.Delete(testOrginalFileName);
File.Delete(encrypttestFileName);
File.Delete(testDecryptedFileName);
}