public void TestEncryptDecrypt(int keySize, Func <int, int, int> getLengthFunc, int blocks, bool preserveLength = true)
{
RSACryptographyProvider provider = RSACryptographyProvider.Create(keySize);
Assert.IsTrue(provider.CanEncrypt);
Trace.WriteLine($"Input Block Size:{provider.InputBlockSize}; OutputBlockSize:{provider.OutputBlockSize}");
// Generate random input.
int length = getLengthFunc(provider.InputBlockSize, provider.OutputBlockSize);
byte[] input = new byte[length];
if (length > 0)
{
Tester.RandomGenerator.NextBytes(input);
}
byte[] encryptedBytes = provider.Encrypt(input, preserveLength);
Assert.IsNotNull(encryptedBytes);
// Check we got the correct number of blocks.
Assert.AreEqual(0, encryptedBytes.LongLength % provider.OutputBlockSize);
Assert.AreEqual(blocks, encryptedBytes.LongLength / provider.OutputBlockSize);
Assert.IsTrue(provider.CanDecrypt);
byte[] output = provider.Decrypt(encryptedBytes, preserveLength);
Assert.IsNotNull(output);
Assert.AreEqual(length, output.LongLength);
CollectionAssert.AreEqual(input, output);
}
public void Test_Null_1024()
{
RSACryptographyProvider provider = RSACryptographyProvider.Create(1024);
Assert.IsTrue(provider.CanEncrypt);
Assert.IsNull(provider.Encrypt((byte[])null));
Assert.IsTrue(provider.CanDecrypt);
Assert.IsNull(provider.Decrypt((byte[])null));
}