public void VerifyData_VerifiesComputedSignature_Pass()
{
Random rdm = new Random();
byte[] message = new byte[256];
byte[] signedMessage;
string nativeXmlString;
bool isMessageNotTamperedWith = true;
rdm.NextBytes(message);
using (var rsacsp = new RSACipher<RSACryptoServiceProvider>())
{
signedMessage = rsacsp.SignData<SHA256Cng>(message);
nativeXmlString = rsacsp.ToXmlString(true);
}
using (var cipher = new RSACipher<RSACryptoServiceProvider>(nativeXmlString))
{
isMessageNotTamperedWith = cipher.VerifyData<SHA256Cng>(message, signedMessage);
}
Assert.IsTrue(isMessageNotTamperedWith);
}
public void SignData_CompareSignaturesOfRSACSPAndRSACipher_Pass()
{
int wantedKeySize = 4096;
Random rdm = new Random();
byte[] message = new byte[256];
byte[] signedMessage;
byte[] signedMessageNative;
string nativeXmlString;
rdm.NextBytes(message);
using(var rsacsp = new RSACryptoServiceProvider(wantedKeySize))
{
signedMessageNative = rsacsp.SignData(message, new SHA512Managed());
nativeXmlString = rsacsp.ToXmlString(true);
}
using (var cipher = new RSACipher<RSACryptoServiceProvider>(nativeXmlString))
{
signedMessage = cipher.SignData<SHA512Managed>(message);
}
CollectionAssert.AreEqual(signedMessage, signedMessageNative);
}
