void m_initialize(Oid oid, Int32 majorVersion, Int32 minorVersion)
{
Oid = _eoid;
Asn1Utils.EncodeObjectIdentifier(oid);
Wincrypt.CERT_TEMPLATE_EXT pvStructInfo = new Wincrypt.CERT_TEMPLATE_EXT {
pszObjId = oid.Value,
dwMajorVersion = (UInt32)majorVersion,
dwMinorVersion = (UInt32)minorVersion,
fMinorVersion = true
};
UInt32 pcbEncoded = 0;
if (Crypt32.CryptEncodeObject(1, "1.3.6.1.4.1.311.21.7", ref pvStructInfo, null, ref pcbEncoded))
{
RawData = new Byte[pcbEncoded];
Crypt32.CryptEncodeObject(1, "1.3.6.1.4.1.311.21.7", ref pvStructInfo, RawData, ref pcbEncoded);
TemplateOid = new Oid(pvStructInfo.pszObjId);
MajorVersion = majorVersion;
MinorVersion = minorVersion;
}
else
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
internal static extern Boolean CryptEncodeObject(
[In] UInt32 dwCertEncodingType,
[In] String lpszStructType,
[In] ref Wincrypt.CERT_TEMPLATE_EXT pvStructInfo,
[Out] Byte[] pbEncoded,
[In, Out] ref UInt32 pcbEncoded
);
void m_decode(Byte[] rawData)
{
UInt32 pcbStructInfo = 0;
if (Crypt32.CryptDecodeObject(1, "1.3.6.1.4.1.311.21.7", rawData, (UInt32)rawData.Length, 0, IntPtr.Zero, ref pcbStructInfo))
{
IntPtr pbStructInfo = Marshal.AllocHGlobal((Int32)pcbStructInfo);
Crypt32.CryptDecodeObject(1, "1.3.6.1.4.1.311.21.7", rawData, (UInt32)rawData.Length, 0, pbStructInfo, ref pcbStructInfo);
Wincrypt.CERT_TEMPLATE_EXT structure = (Wincrypt.CERT_TEMPLATE_EXT)Marshal.PtrToStructure(pbStructInfo, typeof(Wincrypt.CERT_TEMPLATE_EXT));
Marshal.FreeHGlobal(pbStructInfo);
TemplateOid = new Oid(structure.pszObjId);
MajorVersion = (Int32)structure.dwMajorVersion;
MinorVersion = (Int32)structure.dwMinorVersion;
}
else
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
