internal SignerInfo (SignedCms signedCms, SafeLocalAllocHandle pbCmsgSignerInfo) {
// Sanity check.
Debug.Assert(signedCms != null && pbCmsgSignerInfo != null && !pbCmsgSignerInfo.IsInvalid);
m_signedCms = signedCms;
m_parentSignerInfo = null;
m_encodedSignerInfo = null;
m_pbCmsgSignerInfo = pbCmsgSignerInfo;
m_cmsgSignerInfo = (CAPI.CMSG_SIGNER_INFO) Marshal.PtrToStructure(pbCmsgSignerInfo.DangerousGetHandle(), typeof(CAPI.CMSG_SIGNER_INFO));
}
internal unsafe SignerInfo (SignedCms signedCms, SignerInfo parentSignerInfo, byte[] encodedSignerInfo) {
// Sanity check.
Debug.Assert(signedCms != null && encodedSignerInfo != null && encodedSignerInfo.Length > 0);
uint cbCmsgSignerInfo = 0;
SafeLocalAllocHandle pbCmsgSignerInfo = SafeLocalAllocHandle.InvalidHandle;
fixed (byte * pEncodedSignerInfo = &encodedSignerInfo[0]) {
if (!CAPI.DecodeObject(new IntPtr(CAPI.PKCS7_SIGNER_INFO),
new IntPtr(pEncodedSignerInfo),
(uint) encodedSignerInfo.Length,
out pbCmsgSignerInfo,
out cbCmsgSignerInfo))
throw new CryptographicException(Marshal.GetLastWin32Error());
}
m_signedCms = signedCms;
m_parentSignerInfo = parentSignerInfo;
m_encodedSignerInfo = (byte[]) encodedSignerInfo.Clone();
m_pbCmsgSignerInfo = pbCmsgSignerInfo;
m_cmsgSignerInfo = (CAPI.CMSG_SIGNER_INFO) Marshal.PtrToStructure(pbCmsgSignerInfo.DangerousGetHandle(), typeof(CAPI.CMSG_SIGNER_INFO));
}