public void SignData()
{
#region Arange
var keyPairAlive = AsymmetricCryptographyEcc.CreateKeyPair();
var dataA = Guid.Empty.ToByteArray();
#endregion
#region Act
var signatureA = AsymmetricCryptographyEcc.SignData(keyPairAlive.privateKeyInfo, dataA);
var signatureB = AsymmetricCryptographyEcc.SignData(keyPairAlive.privateKeyInfo, dataA);
outputHelper.WriteLine(Convert.ToBase64String(signatureA));
outputHelper.WriteLine(Convert.ToBase64String(signatureB));
outputHelper.WriteLine("");
outputHelper.WriteLine(BitConverter.ToString(signatureA).Replace("-", "").ToLower());
outputHelper.WriteLine(BitConverter.ToString(signatureB).Replace("-", "").ToLower());
#endregion
#region Assert
// The signature generation algorithm includes the selecting of a cryptographically secure random integer
// https://en.wikipedia.org/wiki/Elliptic_Curve_Digital_Signature_Algorithm
signatureA.Should().NotEqual(signatureB);
#endregion
}
public void Derive()
{
#region Arange
var keyPairAlive = AsymmetricCryptographyEcc.CreateKeyPair();
var keyPairBob = AsymmetricCryptographyEcc.CreateKeyPair();
#endregion
#region Act
var deriveSecretA = AsymmetricCryptographyEcc.DeriveSecret(keyPairAlive.privateKeyInfo, keyPairBob.subjectPublicKeyInfo);
var deriveSecretB = AsymmetricCryptographyEcc.DeriveSecret(keyPairBob.privateKeyInfo, keyPairAlive.subjectPublicKeyInfo);
#endregion
#region Assert
deriveSecretA.Should().Equal(deriveSecretB);
#endregion
}
public void CreateKeyPair()
{
#region Arange
#endregion
#region Act
var keyPair = AsymmetricCryptographyEcc.CreateKeyPair();
outputHelper.WriteLine(Convert.ToBase64String(keyPair.privateKeyInfo));
outputHelper.WriteLine(Convert.ToBase64String(keyPair.subjectPublicKeyInfo));
#endregion
#region Assert
keyPair.privateKeyInfo.Should().NotEqual(keyPair.subjectPublicKeyInfo);
keyPair.privateKeyInfo.Should().HaveCountGreaterThan(keyPair.subjectPublicKeyInfo.Length);
#endregion
}
public void GetPublicKey()
{
#region Arange
var keyPair = AsymmetricCryptographyEcc.CreateKeyPair();
#endregion
#region Act
var publicKey = AsymmetricCryptographyEcc.GetPublicKey(keyPair.privateKeyInfo);
outputHelper.WriteLine(Convert.ToBase64String(keyPair.subjectPublicKeyInfo));
outputHelper.WriteLine(Convert.ToBase64String(publicKey));
#endregion
#region Assert
publicKey.Should().Equal(keyPair.subjectPublicKeyInfo);
#endregion
}
public void VerifyData()
{
#region Arange
var keyPairAlive = AsymmetricCryptographyEcc.CreateKeyPair();
var dataA = Guid.Empty.ToByteArray();
var signatureA = AsymmetricCryptographyEcc.SignData(keyPairAlive.privateKeyInfo, dataA);
#endregion
#region Act
var verifyData = AsymmetricCryptographyEcc.VerifyData(keyPairAlive.subjectPublicKeyInfo, dataA, signatureA);
#endregion
#region Assert
verifyData.Should().BeTrue();
#endregion
}
