public async Task VerifySignaturesAsync_ExpiredCertificateAndTimestamp_SuccessAsync()
{
CertificateAuthority ca = await _testFixture.GetDefaultTrustedCertificateAuthorityAsync();
TimestampService timestampService = await _testFixture.GetDefaultTrustedTimestampServiceAsync();
AsymmetricCipherKeyPair keyPair = SigningTestUtility.GenerateKeyPair(publicKeyLength: 2048);
DateTimeOffset now = DateTimeOffset.UtcNow;
var issueOptions = new IssueCertificateOptions()
{
KeyPair = keyPair,
NotAfter = now.AddSeconds(10),
NotBefore = now.AddSeconds(-2),
SubjectName = new X509Name("CN=NuGet Test Expired Certificate")
};
BcX509Certificate bcCertificate = ca.IssueCertificate(issueOptions);
using (TestDirectory directory = TestDirectory.Create())
using (X509Certificate2 certificate = CertificateUtilities.GetCertificateWithPrivateKey(bcCertificate, keyPair))
{
var packageContext = new SimpleTestPackageContext();
string signedPackagePath = await SignedArchiveTestUtility.AuthorSignPackageAsync(
certificate,
packageContext,
directory,
timestampService.Url);
await SignatureTestUtility.WaitForCertificateExpirationAsync(certificate);
var verifier = new PackageSignatureVerifier(_trustProviders);
using (var packageReader = new PackageArchiveReader(signedPackagePath))
{
VerifySignaturesResult result = await verifier.VerifySignaturesAsync(packageReader, _verifyCommandSettings, CancellationToken.None);
PackageVerificationResult trustProvider = result.Results.Single();
Assert.True(result.IsValid);
Assert.Equal(SignatureVerificationStatus.Valid, trustProvider.Trust);
Assert.Equal(0, trustProvider.Issues.Count(issue => issue.Level == LogLevel.Error));
Assert.Equal(0, trustProvider.Issues.Count(issue => issue.Level == LogLevel.Warning));
}
}
}
public async Task VerifySignaturesAsync_ExpiredCertificateAndTimestampWithTooLargeRange_Fails()
{
var testServer = await _testFixture.GetSigningTestServerAsync();
var ca = await _testFixture.GetDefaultTrustedCertificateAuthorityAsync();
var accuracy = new BcAccuracy(seconds: new DerInteger(30), millis: null, micros: null);
var serviceOptions = new TimestampServiceOptions()
{
Accuracy = accuracy
};
var timestampService = TimestampService.Create(ca, serviceOptions);
var keyPair = SigningTestUtility.GenerateKeyPair(publicKeyLength: 2048);
var now = DateTimeOffset.UtcNow;
var issueOptions = new IssueCertificateOptions()
{
KeyPair = keyPair,
NotAfter = now.AddSeconds(10),
NotBefore = now.AddSeconds(-2),
SubjectName = new X509Name("CN=NuGet Test Expired Certificate")
};
var bcCertificate = ca.IssueCertificate(issueOptions);
using (testServer.RegisterResponder(timestampService))
using (var certificate = new X509Certificate2(bcCertificate.GetEncoded()))
using (var directory = TestDirectory.Create())
{
certificate.PrivateKey = DotNetUtilities.ToRSA(keyPair.Private as RsaPrivateCrtKeyParameters);
var packageContext = new SimpleTestPackageContext();
var signedPackagePath = await SignedArchiveTestUtility.AuthorSignPackageAsync(
certificate,
packageContext,
directory,
timestampService.Url);
var waitDuration = (issueOptions.NotAfter - DateTimeOffset.UtcNow).Add(TimeSpan.FromSeconds(1));
// Wait for the certificate to expire. Trust of the signature will require a valid timestamp.
if (waitDuration > TimeSpan.Zero)
{
await Task.Delay(waitDuration);
}
Assert.True(DateTime.UtcNow > issueOptions.NotAfter);
var verifier = new PackageSignatureVerifier(_trustProviders);
using (var packageReader = new PackageArchiveReader(signedPackagePath))
{
var results = await verifier.VerifySignaturesAsync(packageReader, _verifyCommandSettings, CancellationToken.None);
var result = results.Results.Single();
Assert.False(results.Valid);
Assert.Equal(SignatureVerificationStatus.Illegal, result.Trust);
Assert.Equal(1, result.Issues.Count(issue => issue.Level == LogLevel.Error));
Assert.Equal(0, result.Issues.Count(issue => issue.Level == LogLevel.Warning));
Assert.Contains(result.Issues, issue =>
issue.Code == NuGetLogCode.NU3011 &&
issue.Level == LogLevel.Error &&
issue.Message.Contains("validity period has expired."));
}
}
}
