public void SignAndVerifySignatureMac()
{
byte[] signature = WinRTCrypto.CryptographicEngine.Sign(this.macKey, this.data);
Assert.True(WinRTCrypto.CryptographicEngine.VerifySignature(this.macKey, this.data, signature));
Assert.False(WinRTCrypto.CryptographicEngine.VerifySignature(this.macKey, PclTestUtilities.Tamper(this.data), signature));
Assert.False(WinRTCrypto.CryptographicEngine.VerifySignature(this.macKey, this.data, PclTestUtilities.Tamper(signature)));
}
public void SignAndVerifySignature(ICryptographicKey key)
{
try
{
byte[] signature = WinRTCrypto.CryptographicEngine.Sign(key, this.data);
Assert.True(WinRTCrypto.CryptographicEngine.VerifySignature(key, this.data, signature));
Assert.False(WinRTCrypto.CryptographicEngine.VerifySignature(key, PclTestUtilities.Tamper(this.data), signature));
Assert.False(WinRTCrypto.CryptographicEngine.VerifySignature(key, this.data, PclTestUtilities.Tamper(signature)));
}
catch (NotSupportedException)
{
this.logger.WriteLine("Not supported by the platform.");
}
}
public void SignHashedData_VerifySignatureWithHashInput(ICryptographicKey key, HashAlgorithm hashAlgorithm)
{
byte[] hash = WinRTCrypto.HashAlgorithmProvider.OpenAlgorithm(hashAlgorithm)
.HashData(this.data);
byte[] signature = WinRTCrypto.CryptographicEngine.SignHashedData(key, hash);
Assert.True(WinRTCrypto.CryptographicEngine.VerifySignatureWithHashInput(key, hash, signature));
Assert.False(WinRTCrypto.CryptographicEngine.VerifySignatureWithHashInput(key, hash, PclTestUtilities.Tamper(signature)));
Assert.False(WinRTCrypto.CryptographicEngine.VerifySignatureWithHashInput(key, PclTestUtilities.Tamper(this.data), signature));
}