private void CounterSign(CmsSigner signer) { CspParameters parameters = new CspParameters(); if (!X509Utils.GetPrivateKeyInfo(X509Utils.GetCertContext(signer.Certificate), ref parameters)) { throw new CryptographicException(Marshal.GetLastWin32Error()); } KeyContainerPermission containerPermission = new KeyContainerPermission(KeyContainerPermissionFlags.NoFlags); KeyContainerPermissionAccessEntry accessEntry = new KeyContainerPermissionAccessEntry(parameters, KeyContainerPermissionFlags.Open | KeyContainerPermissionFlags.Sign); containerPermission.AccessEntries.Add(accessEntry); containerPermission.Demand(); uint dwIndex = (uint)PkcsUtils.GetSignerIndex(this.m_signedCms.GetCryptMsgHandle(), this, 0); SafeLocalAllocHandle localAllocHandle = CAPI.LocalAlloc(64U, new IntPtr(Marshal.SizeOf(typeof(CAPI.CMSG_SIGNER_ENCODE_INFO)))); CAPI.CMSG_SIGNER_ENCODE_INFO signerEncodeInfo = PkcsUtils.CreateSignerEncodeInfo(signer); try { Marshal.StructureToPtr((object)signerEncodeInfo, localAllocHandle.DangerousGetHandle(), false); if (!CAPI.CryptMsgCountersign(this.m_signedCms.GetCryptMsgHandle(), dwIndex, 1U, localAllocHandle.DangerousGetHandle())) { throw new CryptographicException(Marshal.GetLastWin32Error()); } this.m_signedCms.ReopenToDecode(); } finally { Marshal.DestroyStructure(localAllocHandle.DangerousGetHandle(), typeof(CAPI.CMSG_SIGNER_ENCODE_INFO)); localAllocHandle.Dispose(); signerEncodeInfo.Dispose(); } int num = (int)PkcsUtils.AddCertsToMessage(this.m_signedCms.GetCryptMsgHandle(), this.m_signedCms.Certificates, PkcsUtils.CreateBagOfCertificates(signer)); }
private void CoSign(CmsSigner signer, bool silent) { CAPI.CMSG_SIGNER_ENCODE_INFO signerEncodeInfo = PkcsUtils.CreateSignerEncodeInfo(signer, silent); try { SafeLocalAllocHandle localAllocHandle = CAPI.LocalAlloc(64U, new IntPtr(Marshal.SizeOf(typeof(CAPI.CMSG_SIGNER_ENCODE_INFO)))); try { Marshal.StructureToPtr((object)signerEncodeInfo, localAllocHandle.DangerousGetHandle(), false); if (!CAPI.CryptMsgControl(this.m_safeCryptMsgHandle, 0U, 6U, localAllocHandle.DangerousGetHandle())) { throw new CryptographicException(Marshal.GetLastWin32Error()); } } finally { Marshal.DestroyStructure(localAllocHandle.DangerousGetHandle(), typeof(CAPI.CMSG_SIGNER_ENCODE_INFO)); localAllocHandle.Dispose(); } } finally { signerEncodeInfo.Dispose(); } int num = (int)PkcsUtils.AddCertsToMessage(this.m_safeCryptMsgHandle, this.Certificates, PkcsUtils.CreateBagOfCertificates(signer)); }