public void CanEncryptData()
{
byte[] userData = { 0, 1, 2, 3, 4, 1, 2, 3, 4 };
DataProtectionCryptographyService svc = new DataProtectionCryptographyService();
byte[] result = svc.EncryptSymmetric(userData);
byte[] restored = ProtectedData.Unprotect(result, null, DataProtectionScope.CurrentUser);
Assert.AreEqual(9, restored.Length, "Restored data is not correct.");
for (int i = 0; i < userData.Length; i++)
{
Assert.AreEqual(userData[i], restored[i], "The encryption failed.");
}
}
public void EncryptsUsingEntropy()
{
byte[] userData = { 0, 1, 2, 3, 4, 1, 2, 3, 4 };
byte[] entropy = { 1, 2, 3, 4 };
NameValueCollection settings = new NameValueCollection();
settings["Entropy"] = Convert.ToBase64String(entropy);
DataProtectionCryptographyService svc = new DataProtectionCryptographyService();
svc.Configure(settings);
byte[] cipherData = svc.EncryptSymmetric(userData);
byte[] recovered = ProtectedData.Unprotect(cipherData, entropy, DataProtectionScope.CurrentUser);
Assert.AreEqual(Convert.ToBase64String(userData), Convert.ToBase64String(recovered));
}
public void EncryptFailsIfNullData()
{
DataProtectionCryptographyService svc = new DataProtectionCryptographyService();
svc.EncryptSymmetric(null);
}