public SuggestFunctionTextBox()
{
var signatureFactory = new SignatureFactory();
_tokenCompleter = new TokenCompleter(signatureFactory.GetSignatureService());
InitializeComponent();
InitializeTooltip();
}
public MainPage()
{
var signatureFactory = new SignatureFactory();
Task.Run(() => new TokenCompleter(signatureFactory.GetSignatureService()))
.ContinueWith((res) =>
{
_tokenCompleter = res.Result;
}
);
this.InitializeComponent();
}
public void TestSignatureFactoryStringInput()
{
SignatureFactory f = new SignatureFactory();
string buffer = "abcdefghijklmnopqrstuvwxyz";
string signature1 = f.Sign(buffer);
Assert.IsTrue(f.Verify(buffer, signature1), "(1) correct signature verification");
Assert.IsFalse(f.Verify(new string(buffer.Reverse().ToArray()), signature1), "(2) incorrect signature verification");
// Test new Encryption instance based on existing Key and IV.
f = new SignatureFactory(f.ExportPrivateKey());
string signature2 = f.Sign(buffer);
Assert.IsTrue(f.Verify(buffer, signature1), "(3) correct signature verification ");
Assert.IsTrue(f.Verify(buffer, signature2), "(4) correct signature verification ");
Assert.IsFalse(f.Verify(new string(buffer.Reverse().ToArray()), signature2), "(5) incorrect signature verification");
Assert.AreNotEqual(buffer, signature1, "(6) signature should not be the same as original data");
}
public void TestSignatureFactoryByteArrayInput()
{
SignatureFactory f = new SignatureFactory();
byte[] buffer = new byte[300];
new Random().NextBytes(buffer);
byte[] signature1 = f.Sign(buffer);
Assert.AreNotEqual(string.Join(",", buffer), string.Join(",", signature1), "signature should not be the same as original data");
Assert.IsTrue(f.Verify(buffer, signature1), "(1) correct signature verification");
Assert.IsFalse(f.Verify(buffer.Reverse().ToArray(), signature1), "(2) incorrect signature verification");
Assert.IsFalse(f.Verify(buffer, signature1.Reverse().ToArray()), "(3) incorrect signature verification");
// Test new Encryption instance based on existing Key and IV.
f = new SignatureFactory(f.ExportPrivateKey());
byte[] signature2 = f.Sign(buffer);
Assert.IsTrue(f.Verify(buffer, signature1), "(4) correct signature verification ");
Assert.IsTrue(f.Verify(buffer, signature2), "(5) correct signature verification ");
Assert.IsFalse(f.Verify(buffer.Reverse().ToArray(), signature2), "(6) incorrect signature verification");
Assert.IsFalse(f.Verify(buffer, signature2.Reverse().ToArray()), "(7) incorrect signature verification");
Assert.AreNotEqual(buffer, signature1, "(8) signature should not be the same as original data");
}
/// <inheritdoc/>
public Task <Crl> CreateCrlAsync(Certificate issuer, SignatureType signature,
IEnumerable <Certificate> revokedCertificates, DateTime?nextUpdate,
CancellationToken ct)
{
try {
if (issuer == null)
{
throw new ArgumentNullException(nameof(issuer));
}
if (issuer.RawData == null)
{
throw new ArgumentNullException(nameof(issuer.RawData));
}
if (issuer.IssuerPolicies == null)
{
throw new ArgumentNullException(nameof(issuer.IssuerPolicies));
}
if (issuer.KeyHandle == null)
{
throw new ArgumentNullException(nameof(issuer.KeyHandle));
}
var bcCertCA = new X509CertificateParser().ReadCertificate(issuer.RawData);
var thisUpdate = DateTime.UtcNow;
var crlGen = new X509V2CrlGenerator();
crlGen.SetIssuerDN(bcCertCA.SubjectDN);
crlGen.SetThisUpdate(DateTime.UtcNow);
crlGen.SetNextUpdate(nextUpdate ?? issuer.NotAfterUtc);
if (revokedCertificates == null || !revokedCertificates.Any())
{
// add a dummy entry
crlGen.AddCrlEntry(BigInteger.One, thisUpdate, CrlReason.Unspecified);
}
else
{
// add the revoked certs
foreach (var revokedCertificate in revokedCertificates)
{
var revoked = revokedCertificate.Revoked?.Date ?? thisUpdate;
crlGen.AddCrlEntry(new BigInteger(1, revokedCertificate.SerialNumber),
revoked, CrlReason.PrivilegeWithdrawn);
}
}
crlGen.AddExtension(X509Extensions.AuthorityKeyIdentifier, false,
new AuthorityKeyIdentifierStructure(bcCertCA));
// set new serial number
var crlSerialNumber = BigInteger.ValueOf(DateTime.UtcNow.ToFileTimeUtc());
crlGen.AddExtension(X509Extensions.CrlNumber, false,
new CrlNumber(crlSerialNumber));
// generate updated CRL
var signatureGenerator = _signer.CreateX509SignatureGenerator(
issuer.KeyHandle, signature);
var signatureFactory = new SignatureFactory(signature, signatureGenerator);
var updatedCrl = crlGen.Generate(signatureFactory);
return(Task.FromResult(CrlEx.ToCrl(updatedCrl.GetEncoded())));
}
catch (Exception ex) {
return(Task.FromException <Crl>(ex));
}
}
/// <summary>
/// This must be called prior to using the other class methods, or else they will throw a null reference exception.
/// </summary>
/// <param name="SignatureFactoryKey">A key you have previously generated and saved by calling `new SignatureFactory()` and retrieving its private key.</param>
internal static void Initialize(string SignatureFactoryKey)
{
sigFactory = new SignatureFactory(SignatureFactoryKey);
}