private bool ValidateCertificateByCRL(UnsignedProperties unsignedProperties, X509Certificate2 certificate, X509Certificate2 issuer,
IEnumerable <X509Crl> crlList, FirmaXadesNet.Crypto.DigestMethod digestMethod)
{
Org.BouncyCastle.X509.X509Certificate clientCert = certificate.ToBouncyX509Certificate();
Org.BouncyCastle.X509.X509Certificate issuerCert = issuer.ToBouncyX509Certificate();
foreach (var crlEntry in crlList)
{
if (crlEntry.IssuerDN.Equivalent(issuerCert.SubjectDN) && crlEntry.NextUpdate.Value > DateTime.Now)
{
if (!crlEntry.IsRevoked(clientCert))
{
if (!ExistsCRL(unsignedProperties.UnsignedSignatureProperties.CompleteRevocationRefs.CRLRefs.CRLRefCollection,
issuer.Subject))
{
string idCrlValue = "CRLValue-" + Guid.NewGuid().ToString();
CRLRef crlRef = new CRLRef();
crlRef.CRLIdentifier.UriAttribute = "#" + idCrlValue;
crlRef.CRLIdentifier.Issuer = issuer.Subject;
crlRef.CRLIdentifier.IssueTime = crlEntry.ThisUpdate.ToLocalTime();
var crlNumber = GetCRLNumber(crlEntry);
if (crlNumber.HasValue)
{
crlRef.CRLIdentifier.Number = crlNumber.Value;
}
byte[] crlEncoded = crlEntry.GetEncoded();
DigestUtil.SetCertDigest(crlEncoded, digestMethod, crlRef.CertDigest);
CRLValue crlValue = new CRLValue
{
PkiData = crlEncoded,
Id = idCrlValue
};
unsignedProperties.UnsignedSignatureProperties.CompleteRevocationRefs.CRLRefs.CRLRefCollection.Add(crlRef);
unsignedProperties.UnsignedSignatureProperties.RevocationValues.CRLValues.CRLValueCollection.Add(crlValue);
}
return(true);
}
else
{
throw new Exception("Certificate revoked");
}
}
}
return(false);
}
private bool ValidateCertificateByCRL(UnsignedProperties unsignedProperties, X509Certificate2 certificate, X509Certificate2 issuer, IEnumerable <X509Crl> crlList, FirmaXades.Crypto.DigestMethod digestMethod)
{
Org.BouncyCastle.X509.X509Certificate cert = certificate.ToBouncyX509Certificate();
Org.BouncyCastle.X509.X509Certificate x509Certificate = issuer.ToBouncyX509Certificate();
foreach (X509Crl crl in crlList)
{
if (crl.IssuerDN.Equivalent(x509Certificate.SubjectDN) && crl.NextUpdate.Value > DateTime.Now)
{
if (crl.IsRevoked(cert))
{
throw new Exception("Certificado revocado");
}
if (!ExistsCRL(unsignedProperties.UnsignedSignatureProperties.CompleteRevocationRefs.CRLRefs.CRLRefCollection, issuer.Subject))
{
string text = "CRLValue-" + Guid.NewGuid().ToString();
CRLRef cRLRef = new CRLRef();
cRLRef.CRLIdentifier.UriAttribute = "#" + text;
cRLRef.CRLIdentifier.Issuer = issuer.Subject;
cRLRef.CRLIdentifier.IssueTime = crl.ThisUpdate.ToLocalTime();
long?cRLNumber = GetCRLNumber(crl);
if (cRLNumber.HasValue)
{
cRLRef.CRLIdentifier.Number = cRLNumber.Value;
}
byte[] encoded = crl.GetEncoded();
DigestUtil.SetCertDigest(encoded, digestMethod, cRLRef.CertDigest);
CRLValue cRLValue = new CRLValue();
cRLValue.PkiData = encoded;
cRLValue.Id = text;
unsignedProperties.UnsignedSignatureProperties.CompleteRevocationRefs.CRLRefs.CRLRefCollection.Add(cRLRef);
unsignedProperties.UnsignedSignatureProperties.RevocationValues.CRLValues.CRLValueCollection.Add(cRLValue);
}
return(true);
}
}
return(false);
}
protected internal override void ExtendSignatureTag(XadesSignedXml xadesSignedXml)
{
base.ExtendSignatureTag(xadesSignedXml);
X509Certificate signingCertificate = DotNetUtilities.FromX509Certificate(
xadesSignedXml.GetSigningCertificate());
DateTime signingTime = xadesSignedXml.XadesObject.QualifyingProperties
.SignedProperties.SignedSignatureProperties.SigningTime;
ValidationContext ctx = certificateVerifier.ValidateCertificate(signingCertificate
, signingTime, new XAdESCertificateSource(xadesSignedXml.GetXml(), false), null, null);
UnsignedProperties unsignedProperties = null;
//int certificateValuesCounter;
CertificateValues certificateValues;
EncapsulatedX509Certificate encapsulatedX509Certificate;
RevocationValues revocationValues;
CRLValue newCRLValue;
OCSPValue newOCSPValue;
unsignedProperties = xadesSignedXml.UnsignedProperties;
//TODO jbonilla Validate certificate refs.
{
unsignedProperties.UnsignedSignatureProperties.CertificateValues = new CertificateValues();
certificateValues = unsignedProperties.UnsignedSignatureProperties.CertificateValues;
//certificateValues.Id = this.certificateValuesIdTextBox.Text;
//certificateValuesCounter = 0;
foreach (CertificateAndContext certificate in ctx.GetNeededCertificates())
{
encapsulatedX509Certificate = new EncapsulatedX509Certificate();
//encapsulatedX509Certificate.Id = this.certificateValuesIdTextBox.Text + certificateValuesCounter.ToString();
encapsulatedX509Certificate.PkiData = certificate.GetCertificate().GetEncoded();
//certificateValuesCounter++;
certificateValues.EncapsulatedX509CertificateCollection.Add(encapsulatedX509Certificate);
}
}
unsignedProperties = xadesSignedXml.UnsignedProperties;
unsignedProperties.UnsignedSignatureProperties.RevocationValues = new RevocationValues();
revocationValues = unsignedProperties.UnsignedSignatureProperties.RevocationValues;
//revocationValues.Id = this.revocationValuesIdTextBox.Text;
if (ctx.GetNeededOCSPResp().Count > 0)
{
foreach (BasicOcspResp ocsp in ctx.GetNeededOCSPResp())
{
newOCSPValue = new OCSPValue();
newOCSPValue.PkiData = OCSPUtils.FromBasicToResp(ocsp).GetEncoded();
revocationValues.OCSPValues.OCSPValueCollection.Add(newOCSPValue);
}
}
if (ctx.GetNeededCRL().Count > 0)
{
foreach (X509Crl crl in ctx.GetNeededCRL())
{
newCRLValue = new CRLValue();
newCRLValue.PkiData = crl.GetEncoded();
revocationValues.CRLValues.CRLValueCollection.Add(newCRLValue);
}
}
xadesSignedXml.UnsignedProperties = unsignedProperties;
}