public void Should_encrypt_and_decrypt()
{
var service = new RijndaelEncryptionService("gdDbqRpqdRbTs3mhdZh9qCaDaxJXl+e6", new List<string>());
var encryptedValue = service.Encrypt("string to encrypt");
Assert.AreNotEqual("string to encrypt", encryptedValue.EncryptedBase64Value);
var decryptedValue = service.Decrypt(encryptedValue);
Assert.AreEqual("string to encrypt", decryptedValue);
}
public void Should_encrypt_and_decrypt_for_expired_key()
{
var service1 = new RijndaelEncryptionService("gdDbqRpqdRbTs3mhdZh9qCaDaxJXl+e6",new List<string>());
var encryptedValue = service1.Encrypt("string to encrypt");
Assert.AreNotEqual("string to encrypt", encryptedValue.EncryptedBase64Value);
var expiredKeys = new List<string> {"gdDbqRpqdRbTs3mhdZh9qCaDaxJXl+e6" };
var service2 = new RijndaelEncryptionService("adDbqRpqdRbTs3mhdZh9qCaDaxJXl+e6", expiredKeys);
var decryptedValue = service2.Decrypt(encryptedValue);
Assert.AreEqual("string to encrypt", decryptedValue);
}
public void Should_throw_when_decrypt_with_wrong_key()
{
var validKey = "gdDbqRpqdRbTs3mhdZh9qCaDaxJXl+e6";
var service1 = new RijndaelEncryptionService(validKey, new List<string>());
var encryptedValue = service1.Encrypt("string to encrypt");
Assert.AreNotEqual("string to encrypt", encryptedValue.EncryptedBase64Value);
var invalidKey = "adDbqRpqdRbTs3mhdZh9qCaDaxJXl+e6";
var invalidExpiredKeys = new List<string> { "bdDbqRpqdRbTs3mhdZh9qCaDaxJXl+e6" };
var service2 = new RijndaelEncryptionService(invalidKey, invalidExpiredKeys);
var exception = Assert.Throws<AggregateException>(() =>service2.Decrypt(encryptedValue));
Assert.AreEqual("Could not decrypt message. Tried 2 keys.", exception.Message);
Assert.AreEqual(2, exception.InnerExceptions.Count);
foreach (var inner in exception.InnerExceptions)
{
Assert.IsInstanceOf<CryptographicException>(inner);
}
}