static void Main(string[] args)
{
try
{
int testnum = 0;
Console.WriteLine("C# tester for the proxy encryption library");
Console.WriteLine();
Console.Write(++testnum + " Initializing library");
Libpre l = new Libpre(Scheme.Pre1);
Console.WriteLine(" ... OK");
Console.Write(++testnum + " Generating first keypair");
InMemoryKeyPair keyPair = l.GenerateKeyPair();
Console.WriteLine(" ... OK");
Console.Write(++testnum + " Serializing/Deserializing keypair");
byte[] pubBuf = l.SerializePublicKey(keyPair.PublicKey);
byte[] privBuf = l.SerializePrivateKey(keyPair.PrivateKey);
IntPtr publicKey = l.DeserializePublicKey(pubBuf);
IntPtr privateKey = l.DeserializePrivateKey(privBuf);
Console.WriteLine(" ... OK");
Console.Write(++testnum + " Encrypting and decrypting text");
string originalCleartext = "Hello World";
byte[] data = Encoding.UTF8.GetBytes(originalCleartext);
byte[] cipherText = l.Encrypt(publicKey, data);
byte[] data2 = l.Decrypt(privateKey, cipherText);
string msg = Encoding.UTF8.GetString(data2);
if (originalCleartext != msg)
{
throw new Exception("original cleartext and decrypted cleartext were not equal");
}
Console.WriteLine(" ... OK");
Console.Write(++testnum + " Generating second keypair");
InMemoryKeyPair keyPair2 = l.GenerateKeyPair();
Console.WriteLine(" ... OK");
Console.Write(++testnum + " Generating delegation kesy");
IntPtr delegationKey = l.GenerateDelegationKey(privateKey, keyPair2.PublicKey);
IntPtr delegationKey1 = l.GenerateDelegationKey(keyPair2.PrivateKey, publicKey);
Console.WriteLine(" ... OK");
Console.Write(++testnum + " Serializing/Deserializing delegation key");
byte[] sdel = l.SerializeDelegationKey(delegationKey);
IntPtr del2 = l.DeserializeDelegationKey(sdel);
Console.WriteLine(" ... OK");
Console.Write(++testnum + " Re-encrypting ciphertext using delegation key");
byte[] cipherText2 = l.Reencrypt(del2, cipherText);
Console.WriteLine(" ... OK");
Console.Write(++testnum + " Trying to decrypt re-encrypted ciphertext using WRONG private key");
byte[] data3 = l.Decrypt(keyPair.PrivateKey, cipherText2); // wrong private key tested on purpose
string msgWrong = Encoding.UTF8.GetString(data3);
if (originalCleartext == msgWrong)
{
throw new Exception("original cleartext and decrypted cleartext using WRONG decryption key were equal");
}
Console.WriteLine(" ... OK");
Console.Write(++testnum + " Decrypting re-encrypted ciphertext using correct private key");
data3 = l.Decrypt(keyPair2.PrivateKey, cipherText2);
string msg2 = Encoding.UTF8.GetString(data3);
if (originalCleartext != msg2)
{
throw new Exception("original cleartext and decrypted (re-encrypted) cleartext were not equal");
}
Console.WriteLine(" ... OK");
Console.Write(++testnum + " Deleting delegation key");
l.DeleteDelegationKey(delegationKey);
l.DeleteDelegationKey(del2);
Console.WriteLine(" ... OK");
Console.Write(++testnum + " Deleting key pairs");
l.DeleteKeyPair(keyPair);
l.DeleteKeyPair(keyPair2);
l.DeletePublicKey(publicKey);
l.DeletePrivateKey(privateKey);
Console.WriteLine(" ... OK");
Console.WriteLine();
Console.WriteLine("All tests complete.");
Console.ReadKey();
}
catch (Exception e)
{
Console.WriteLine("Error: " + e.Message);
Console.ReadKey();
}
}