public void RSALocalKeyDecryptionProviderMissingThrows()
{
byte[] toEncrypt = new byte[] { 1, 2, 3, 4 };
ManagedRSAEncryption util = new ManagedRSAEncryption();
byte[] encrypted = util.EncryptWithLocalKey(TestProvider, TestKeyName, toEncrypt);
byte[] decrypted = util.DecryptWithLocalKey("FakeProviderName", TestKeyName, encrypted);
}
public void TestLine(string line)
{
eventLog1.WriteEntry(string.Format("Testing Line:{0}", line));
string[] split = line.Split(TestFileSeparator);
if (split.Length != 6)
{
StringBuilder testFormatBuilder = new StringBuilder();
testFormatBuilder.AppendLine(string.Format("Test line is of incorrect format, should be of format unencrypted{0}encrypted{0}providername{0}keyname{0}hashalgorithm{0}paddingflags for line {1}", TestFileSeparator, line));
testFormatBuilder.AppendLine(string.Format("Encrypted value should be Base64 encoded"));
testFormatBuilder.AppendLine(string.Format("HashAlgorithm can be SHA1, SHA256, SHA384, SHA512"));
testFormatBuilder.AppendLine(string.Format("PaddingFlags can be 1, 2, 4, 8"));
eventLog1.WriteEntry(testFormatBuilder.ToString(), EventLogEntryType.Error);
return;
}
string unencrypted = split[0];
string encrypted = split[1];
string provider = split[2];
string keyname = split[3];
string hashAlgorithm = split[4];
int paddingFlags = int.Parse(split[5]);
byte[] encryptedAsBytes = Convert.FromBase64String(encrypted);
string resultString = "";
EventLogEntryType entryType = EventLogEntryType.Information;
ManagedRSAEncryption crypto = new ManagedRSAEncryption();
try
{
byte[] decrypted = crypto.DecryptWithLocalKey(provider, keyname, encryptedAsBytes, hashAlgorithm, paddingFlags);
string decryptedString = Encoding.ASCII.GetString(decrypted);
if (String.Equals(unencrypted, decryptedString))
{
resultString = string.Format("Successfully decrypted to value {0} for line {1}", unencrypted, line);
}
else
{
resultString = string.Format("Failed to decrypt to value {0}, decrypted value was {1} for line {2}", unencrypted, decryptedString, line);
entryType = EventLogEntryType.Error;
}
}
catch (Exception e)
{
resultString = string.Format("Failed to decrypt line with exception {0} the line was: {1}", e, line);
entryType = EventLogEntryType.Error;
}
eventLog1.WriteEntry(resultString, entryType);
string assemblyPath = Path.GetDirectoryName(typeof(IntunePFXCertConnectorValidationService).Assembly.Location);
eventLog1.WriteEntry(string.Format("Wrinting results to {0}", Path.Combine(assemblyPath, ResultFile)));
File.WriteAllText(Path.Combine(assemblyPath, ResultFile), contents: resultString);
}
private void ValidatePasswordDecryptable(UserPFXCertificate userPFXResult, string expectedPassword, string hashAlgorithm, int paddingFlags)
{
ManagedRSAEncryption encryptionUtility = new ManagedRSAEncryption();
byte[] passwordBytes = Convert.FromBase64String(userPFXResult.EncryptedPfxPassword);
byte[] unencryptedPassword = encryptionUtility.DecryptWithLocalKey(userPFXResult.ProviderName, userPFXResult.KeyName, passwordBytes, hashAlgorithm, paddingFlags);
string clearTextPassword = Encoding.ASCII.GetString(unencryptedPassword);
Assert.AreEqual(clearTextPassword, expectedPassword);
}
public void RSALocalKeyEncryptionDecryptionOAEPE2E()
{
byte[] toEncrypt = new byte[] { 1, 2, 3, 4 };
ManagedRSAEncryption util = new ManagedRSAEncryption();
byte[] encrypted = util.EncryptWithLocalKey(TestProvider, TestKeyName, toEncrypt, PaddingHashAlgorithmNames.SHA256, PaddingFlags.OAEPPadding);
byte[] decrypted = util.DecryptWithLocalKey(TestProvider, TestKeyName, encrypted, PaddingHashAlgorithmNames.SHA256, PaddingFlags.OAEPPadding);
CollectionAssert.AreNotEqual(encrypted, toEncrypt);
CollectionAssert.AreNotEqual(encrypted, decrypted);
CollectionAssert.AreEqual(toEncrypt, decrypted);
Assert.AreNotEqual(0, encrypted.Length);
Assert.AreNotEqual(0, decrypted.Length);
Assert.IsNotNull(encrypted);
Assert.IsNotNull(decrypted);
}
public void RSALocalKeyEncryptionDecryptionE2E()
{
byte[] toEncrypt = new byte[] { 1, 2, 3, 4 };
ManagedRSAEncryption util = new ManagedRSAEncryption();
byte[] encrypted = util.EncryptWithLocalKey(TestProvider, TestKeyName, toEncrypt);
byte[] decrypted = util.DecryptWithLocalKey(TestProvider, TestKeyName, encrypted);
CollectionAssert.AreNotEqual(encrypted, toEncrypt);
CollectionAssert.AreNotEqual(encrypted, decrypted);
CollectionAssert.AreEqual(toEncrypt, decrypted);
Assert.AreNotEqual(0, encrypted.Length);
Assert.AreNotEqual(0, decrypted.Length);
Assert.IsNotNull(encrypted);
Assert.IsNotNull(decrypted);
}
public void ExportImportEncryptTest()
{
byte[] toEncrypt = new byte[] { 1, 2, 3, 4 };
string filePath = @".\TestPublic.Key";
try
{
File.Delete(filePath);
}
catch (Exception) { }
ManagedRSAEncryption util = new ManagedRSAEncryption();
util.ExportPublicKeytoFile(TestProvider, TestKeyName, filePath);
Assert.IsTrue(File.Exists(filePath));
byte[] encryptedBytes = util.EncryptWithFileKey(filePath, toEncrypt);
Assert.IsNotNull(encryptedBytes);
byte[] decryptedBytes = util.DecryptWithLocalKey(TestProvider, TestKeyName, encryptedBytes);
Assert.AreEqual(System.Convert.ToBase64String(toEncrypt), System.Convert.ToBase64String(decryptedBytes));
try
{
File.Delete(filePath);
}
catch (Exception) { }
}
