static X509CertificateRequestType getRequestFormat(Byte[] rawData)
{
UInt32 pcbStructInfo = 0;
if (Crypt32.CryptDecodeObject(65537, Wincrypt.X509_CERT_REQUEST_TO_BE_SIGNED, rawData, (UInt32)rawData.Length, 8, IntPtr.Zero, ref pcbStructInfo))
{
return(X509CertificateRequestType.PKCS10);
}
try {
PKCS7SignedMessage temp = new PKCS7SignedMessage(rawData);
return(temp.Content is X509CertificateRequest[]
? X509CertificateRequestType.PKCS7
: X509CertificateRequestType.Invalid);
} catch {
return(X509CertificateRequestType.Invalid);
}
}
void decodePkcs7()
{
ExternalData = new PKCS7SignedMessage(RawData);
Version = ((X509CertificateRequest[])ExternalData.Content)[0].Version;
SubjectDn = ((X509CertificateRequest[])ExternalData.Content)[0].SubjectDn;
PublicKey = ((X509CertificateRequest[])ExternalData.Content)[0].PublicKey;
SignatureIsValid = ((X509CertificateRequest[])ExternalData.Content)[0].SignatureIsValid;
SignatureAlgorithm = ((X509CertificateRequest[])ExternalData.Content)[0].SignatureAlgorithm;
foreach (X509Attribute attrib in ((X509CertificateRequest[])ExternalData.Content)[0].Attributes)
{
_attribs.Add(attrib);
}
foreach (X509Extension ext in ((X509CertificateRequest[])ExternalData.Content)[0].Extensions)
{
exts.Add(ext);
}
}
