private static CertificateCtModel GetCtModel(X509Certificate2 certificate)
{
var model = new CertificateCtModel();
var extension = certificate.Extensions[KnownOids.X509Extensions.CertificateTimeStampListCT];
if (extension != null)
{
var scts = SctDecoder.DecodeData(extension);
foreach (var sct in scts)
{
var log = CtLogs.FindByLogId(sct.LogId);
model.Signatures.Add(
new SctSignatureModel
{
HashAlgorithm = sct.HashAlgorithm,
SignatureAlgorithm = sct.SignatureAlgorithm,
LogIdHex = BitConverter.ToString(sct.LogId).Replace("-", ""),
Timestamp = sct.Timestamp,
LogName = log?.Name ?? "Unknown",
LogUrl = log?.Url ?? "Unknown",
Index = sct.Index,
SignatureHex = BitConverter.ToString(sct.Signature).Replace("-", ""),
RevocationEffective = CtLogs.RevokedCtLogs.FirstOrDefault(l => l.LogId.MemoryCompare(sct.LogId))?.RevocationEffective
}
);
}
}
return(model);
}
