static DateTime GetSigningTime(Asn1Encodable encodable)
{
// Special attention to the conversion from Der*Time to .Net's DateTime
// (May lost timezone information)
// Try to parse as UTC time
try
{
DerUtcTime timeUtc = (DerUtcTime)DerUtcTime.GetInstance(encodable);
return(timeUtc.ToAdjustedDateTime());
}
catch (Exception e)
{
}
// Try to parse as GeneralizedTime
try
{
DerGeneralizedTime timeGenTime = (DerGeneralizedTime)DerGeneralizedTime.GetInstance(encodable);
return(timeGenTime.ToDateTime());
}
catch (Exception e)
{
}
return(DateTime.Now);
}
public EsPropertyInfo(Asn1Sequence seq)
{
IEnumerator e = seq.GetEnumerator();
Type = DerInteger.GetInstance(e.Next());
Name = DerUtf8String.GetInstance(e.Next());
CertList = Asn1Sequence.GetInstance(e.Next());
CreateDate = DerUtcTime.GetInstance(e.Next());
ValidStart = DerUtcTime.GetInstance(e.Next());
ValidEnd = DerUtcTime.GetInstance(e.Next());
}
private CrlIdentifier(Asn1Sequence seq)
{
if (seq == null)
{
throw new ArgumentNullException("seq");
}
if (seq.Count < 2 || seq.Count > 3)
{
throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");
}
this.crlIssuer = X509Name.GetInstance(seq[0]);
this.crlIssuedTime = DerUtcTime.GetInstance(seq[1]);
if (seq.Count > 2)
{
this.crlNumber = DerInteger.GetInstance(seq[2]);
}
}
private CrlIdentifier(Asn1Sequence seq)
{
//IL_000e: Unknown result type (might be due to invalid IL or missing references)
//IL_0040: Unknown result type (might be due to invalid IL or missing references)
if (seq == null)
{
throw new ArgumentNullException("seq");
}
if (seq.Count < 2 || seq.Count > 3)
{
throw new ArgumentException(string.Concat((object)"Bad sequence size: ", (object)seq.Count), "seq");
}
crlIssuer = X509Name.GetInstance(seq[0]);
crlIssuedTime = DerUtcTime.GetInstance(seq[1]);
if (seq.Count > 2)
{
crlNumber = DerInteger.GetInstance(seq[2]);
}
}
private void ReadInformation()
{
if (_signerInformation.SignedAttributes[PkcsObjectIdentifiers.Pkcs9AtSigningTime] != null)
{
_signingDate = DerUtcTime.GetInstance(_signerInformation.SignedAttributes[PkcsObjectIdentifiers.Pkcs9AtSigningTime].AttrValues[0]).ToDateTime().ToLocalTime();
}
if (_signerInformation.SignedAttributes[PkcsObjectIdentifiers.IdAAEtsSignerAttr] != null)
{
var signerAttr = SignerAttribute.GetInstance(_signerInformation.SignedAttributes[PkcsObjectIdentifiers.IdAAEtsSignerAttr].AttrValues[0]);
List <string> claimedRoles = new List <string>();
foreach (BcCms.Attribute claimedAttr in signerAttr.ClaimedAttributes)
{
foreach (var value in claimedAttr.AttrValues)
{
claimedRoles.Add(DerUtf8String.GetInstance(value).GetString());
}
}
_signerRoles = claimedRoles;
}
if (_signerInformation.UnsignedAttributes != null &&
_signerInformation.UnsignedAttributes[PkcsObjectIdentifiers.IdAASignatureTimeStampToken] != null)
{
_timeStamp = new TimeStampToken(new CmsSignedData(_signerInformation.UnsignedAttributes[PkcsObjectIdentifiers.IdAASignatureTimeStampToken].AttrValues[0].GetEncoded()));
}
// Se leen las contrafirmas
var signers = _signerInformation.GetCounterSignatures().GetSigners();
_counterSignatures = new List <SignerInfoNode>();
foreach (var signer in signers)
{
SignerInfoNode node = new SignerInfoNode((SignerInformation)signer, _sigDocument);
_counterSignatures.Add(node);
}
// Se intenta identificar el certificado empleado para la firma, esto quizás se pueda mejorar
byte[] certHash = null;
IssuerSerial issuerSerial = null;
if (_signerInformation.DigestAlgOid == DigestMethod.SHA1.Oid)
{
BcCms.Attribute attr = _signerInformation.SignedAttributes[PkcsObjectIdentifiers.IdAASigningCertificate];
SigningCertificate sc = SigningCertificate.GetInstance(attr.AttrValues[0]);
EssCertID ecid = sc.GetCerts()[0];
issuerSerial = ecid.IssuerSerial;
certHash = ecid.GetCertHash();
}
else
{
BcCms.Attribute attr = _signerInformation.SignedAttributes[PkcsObjectIdentifiers.IdAASigningCertificateV2];
SigningCertificateV2 sc2 = SigningCertificateV2.GetInstance(attr.AttrValues[0]);
EssCertIDv2 ecid = sc2.GetCerts()[0];
issuerSerial = ecid.IssuerSerial;
certHash = ecid.GetCertHash();
}
DigestMethod digestMethod = DigestMethod.GetByOid(_signerInformation.DigestAlgOid);
foreach (X509CertificateStructure cs in _sigDocument.Certificates)
{
if (issuerSerial == null || cs.TbsCertificate.SerialNumber.Equals(issuerSerial.Serial))
{
byte[] currentCertHash = digestMethod.CalculateDigest(cs.GetEncoded());
if (certHash.SequenceEqual(currentCertHash))
{
_certificate = new X509Certificate(cs);
break;
}
}
}
}
