protected override ASN1 ToBeSigned(string oid)
{
// TBSCertificate
ASN1 tbsCert = new ASN1(0x30);
if (version > 1)
{
// TBSCertificate / [0] Version DEFAULT v1,
byte[] ver = { (byte)(version - 1) };
ASN1 v = tbsCert.Add(new ASN1(0xA0));
v.Add(new ASN1(0x02, ver));
}
// TBSCertificate / CertificateSerialNumber,
tbsCert.Add(new ASN1(0x02, sn));
// TBSCertificate / AlgorithmIdentifier,
tbsCert.Add(PKCS7.AlgorithmIdentifier(oid));
// TBSCertificate / Name
tbsCert.Add(X501.FromString(issuer));
// TBSCertificate / Validity
ASN1 validity = tbsCert.Add(new ASN1(0x30));
// TBSCertificate / Validity / Time
validity.Add(ASN1Convert.FromDateTime(notBefore));
// TBSCertificate / Validity / Time
validity.Add(ASN1Convert.FromDateTime(notAfter));
// TBSCertificate / Name
tbsCert.Add(X501.FromString(subject));
// TBSCertificate / SubjectPublicKeyInfo
tbsCert.Add(SubjectPublicKeyInfo());
if (version > 1)
{
// TBSCertificate / [1] IMPLICIT UniqueIdentifier OPTIONAL
if (issuerUniqueID != null)
{
tbsCert.Add(new ASN1(0xA1, UniqueIdentifier(issuerUniqueID)));
}
// TBSCertificate / [2] IMPLICIT UniqueIdentifier OPTIONAL
if (subjectUniqueID != null)
{
tbsCert.Add(new ASN1(0xA1, UniqueIdentifier(subjectUniqueID)));
}
// TBSCertificate / [3] Extensions OPTIONAL
if ((version > 2) && (extensions.Count > 0))
{
tbsCert.Add(new ASN1(0xA3, extensions.GetBytes()));
}
}
return(tbsCert);
}
public byte[] GetBytes()
{
ASN1 sequence = new ASN1(0x30);
sequence.Add(new ASN1(0x02, sn));
sequence.Add(ASN1Convert.FromDateTime(revocationDate));
if (extensions.Count > 0)
{
sequence.Add(new ASN1(extensions.GetBytes()));
}
return(sequence.GetBytes());
}