Exemple #1
0
        private unsafe void Sign(CmsSigner signer, bool silent)
        {
            CAPI.CMSG_SIGNED_ENCODE_INFO signedEncodeInfo = new CAPI.CMSG_SIGNED_ENCODE_INFO(Marshal.SizeOf(typeof(CAPI.CMSG_SIGNED_ENCODE_INFO)));
            CAPI.CMSG_SIGNER_ENCODE_INFO signerEncodeInfo = PkcsUtils.CreateSignerEncodeInfo(signer, silent);
            byte[] encodedMessage = (byte[])null;
            try
            {
                SafeLocalAllocHandle localAllocHandle = CAPI.LocalAlloc(0U, new IntPtr(Marshal.SizeOf(typeof(CAPI.CMSG_SIGNER_ENCODE_INFO))));
                try
                {
                    Marshal.StructureToPtr((object)signerEncodeInfo, localAllocHandle.DangerousGetHandle(), false);
                    X509Certificate2Collection bagOfCertificates = PkcsUtils.CreateBagOfCertificates(signer);
                    SafeLocalAllocHandle       encodedCertBlob   = PkcsUtils.CreateEncodedCertBlob(bagOfCertificates);
                    signedEncodeInfo.cSigners     = 1U;
                    signedEncodeInfo.rgSigners    = localAllocHandle.DangerousGetHandle();
                    signedEncodeInfo.cCertEncoded = (uint)bagOfCertificates.Count;
                    if (bagOfCertificates.Count > 0)
                    {
                        signedEncodeInfo.rgCertEncoded = encodedCertBlob.DangerousGetHandle();
                    }
                    SafeCryptMsgHandle safeCryptMsgHandle = string.Compare(this.ContentInfo.ContentType.Value, "1.2.840.113549.1.7.1", StringComparison.OrdinalIgnoreCase) != 0 ? CAPI.CryptMsgOpenToEncode(65537U, this.Detached ? 4U : 0U, 2U, new IntPtr((void *)&signedEncodeInfo), this.ContentInfo.ContentType.Value, IntPtr.Zero) : CAPI.CryptMsgOpenToEncode(65537U, this.Detached ? 4U : 0U, 2U, new IntPtr((void *)&signedEncodeInfo), IntPtr.Zero, IntPtr.Zero);
                    if (safeCryptMsgHandle == null || safeCryptMsgHandle.IsInvalid)
                    {
                        throw new CryptographicException(Marshal.GetLastWin32Error());
                    }
                    if (this.ContentInfo.Content.Length > 0 && !CAPI.CAPISafe.CryptMsgUpdate(safeCryptMsgHandle, this.ContentInfo.pContent, (uint)this.ContentInfo.Content.Length, true))
                    {
                        throw new CryptographicException(Marshal.GetLastWin32Error());
                    }
                    encodedMessage = PkcsUtils.GetContent(safeCryptMsgHandle);
                    safeCryptMsgHandle.Dispose();
                    encodedCertBlob.Dispose();
                }
                finally
                {
                    Marshal.DestroyStructure(localAllocHandle.DangerousGetHandle(), typeof(CAPI.CMSG_SIGNER_ENCODE_INFO));
                    localAllocHandle.Dispose();
                }
            }
            finally
            {
                signerEncodeInfo.Dispose();
            }
            SafeCryptMsgHandle safeCryptMsgHandle1 = SignedCms.OpenToDecode(encodedMessage, this.ContentInfo, this.Detached);

            if (this.m_safeCryptMsgHandle != null && !this.m_safeCryptMsgHandle.IsInvalid)
            {
                this.m_safeCryptMsgHandle.Dispose();
            }
            this.m_safeCryptMsgHandle = safeCryptMsgHandle1;
            GC.KeepAlive((object)signer);
        }
Exemple #2
0
        private unsafe void Sign(CmsSigner signer, bool silent)
        {
            SafeCryptMsgHandle safeCryptMsgHandle = null;

            CAPI.CMSG_SIGNED_ENCODE_INFO signedEncodeInfo = new CAPI.CMSG_SIGNED_ENCODE_INFO(Marshal.SizeOf(typeof(CAPI.CMSG_SIGNED_ENCODE_INFO)));
            SafeCryptProvHandle          safeCryptProvHandle;

            CAPI.CMSG_SIGNER_ENCODE_INFO signerEncodeInfo = PkcsUtils.CreateSignerEncodeInfo(signer, silent, out safeCryptProvHandle);

            byte[] encodedMessage = null;
            try {
                SafeLocalAllocHandle pSignerEncodeInfo = CAPI.LocalAlloc(CAPI.LMEM_FIXED, new IntPtr(Marshal.SizeOf(typeof(CAPI.CMSG_SIGNER_ENCODE_INFO))));

                try {
                    Marshal.StructureToPtr(signerEncodeInfo, pSignerEncodeInfo.DangerousGetHandle(), false);
                    X509Certificate2Collection bagOfCerts         = PkcsUtils.CreateBagOfCertificates(signer);
                    SafeLocalAllocHandle       pEncodedBagOfCerts = PkcsUtils.CreateEncodedCertBlob(bagOfCerts);

                    signedEncodeInfo.cSigners     = 1;
                    signedEncodeInfo.rgSigners    = pSignerEncodeInfo.DangerousGetHandle();
                    signedEncodeInfo.cCertEncoded = (uint)bagOfCerts.Count;
                    if (bagOfCerts.Count > 0)
                    {
                        signedEncodeInfo.rgCertEncoded = pEncodedBagOfCerts.DangerousGetHandle();
                    }

                    // Because of the way CAPI treats inner content OID, we should pass NULL
                    // for data type, otherwise detached will not work.
                    if (String.Compare(this.ContentInfo.ContentType.Value, CAPI.szOID_RSA_data, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        safeCryptMsgHandle = CAPI.CryptMsgOpenToEncode(CAPI.X509_ASN_ENCODING | CAPI.PKCS_7_ASN_ENCODING,
                                                                       Detached ? CAPI.CMSG_DETACHED_FLAG : 0,
                                                                       CAPI.CMSG_SIGNED,
                                                                       new IntPtr(&signedEncodeInfo),
                                                                       IntPtr.Zero,
                                                                       IntPtr.Zero);
                    }
                    else
                    {
                        safeCryptMsgHandle = CAPI.CryptMsgOpenToEncode(CAPI.X509_ASN_ENCODING | CAPI.PKCS_7_ASN_ENCODING,
                                                                       Detached ? CAPI.CMSG_DETACHED_FLAG : 0,
                                                                       CAPI.CMSG_SIGNED,
                                                                       new IntPtr(&signedEncodeInfo),
                                                                       this.ContentInfo.ContentType.Value,
                                                                       IntPtr.Zero);
                    }

                    if (safeCryptMsgHandle == null || safeCryptMsgHandle.IsInvalid)
                    {
                        throw new CryptographicException(Marshal.GetLastWin32Error());
                    }


                    if (this.ContentInfo.Content.Length > 0)
                    {
                        if (!CAPI.CAPISafe.CryptMsgUpdate(safeCryptMsgHandle, this.ContentInfo.pContent, (uint)this.ContentInfo.Content.Length, true))
                        {
                            throw new CryptographicException(Marshal.GetLastWin32Error());
                        }
                    }

                    // Retrieve encoded message.
                    encodedMessage = PkcsUtils.GetContent(safeCryptMsgHandle);
                    safeCryptMsgHandle.Dispose();

                    pEncodedBagOfCerts.Dispose();
                }
                finally {
                    Marshal.DestroyStructure(pSignerEncodeInfo.DangerousGetHandle(), typeof(CAPI.CMSG_SIGNER_ENCODE_INFO));
                    pSignerEncodeInfo.Dispose();
                }
            }
            finally {
                // Don't forget to free all the resource still held inside signerEncodeInfo.
                signerEncodeInfo.Dispose();
                safeCryptProvHandle.Dispose();
            }

            // Re-open to decode.
            safeCryptMsgHandle = OpenToDecode(encodedMessage, this.ContentInfo, this.Detached);
            if (m_safeCryptMsgHandle != null && !m_safeCryptMsgHandle.IsInvalid)
            {
                m_safeCryptMsgHandle.Dispose();
            }
            m_safeCryptMsgHandle = safeCryptMsgHandle;
            GC.KeepAlive(signer);
        }
Exemple #3
0
 private unsafe void Sign(CmsSigner signer, bool silent)
 {
     CAPI.CMSG_SIGNED_ENCODE_INFO signedEncodeInfo = new CAPI.CMSG_SIGNED_ENCODE_INFO(Marshal.SizeOf(typeof(CAPI.CMSG_SIGNED_ENCODE_INFO)));
     CAPI.CMSG_SIGNER_ENCODE_INFO signerEncodeInfo = PkcsUtils.CreateSignerEncodeInfo(signer, silent);
     byte[] encodedMessage = (byte[])null;
     try
     {
         SafeLocalAllocHandle localAllocHandle = CAPI.LocalAlloc(0U, new IntPtr(Marshal.SizeOf(typeof(CAPI.CMSG_SIGNER_ENCODE_INFO))));
         try
         {
             Marshal.StructureToPtr((object)signerEncodeInfo, localAllocHandle.DangerousGetHandle(), false);
             X509Certificate2Collection bagOfCertificates = PkcsUtils.CreateBagOfCertificates(signer);
             SafeLocalAllocHandle encodedCertBlob = PkcsUtils.CreateEncodedCertBlob(bagOfCertificates);
             signedEncodeInfo.cSigners = 1U;
             signedEncodeInfo.rgSigners = localAllocHandle.DangerousGetHandle();
             signedEncodeInfo.cCertEncoded = (uint)bagOfCertificates.Count;
             if (bagOfCertificates.Count > 0)
                 signedEncodeInfo.rgCertEncoded = encodedCertBlob.DangerousGetHandle();
             SafeCryptMsgHandle safeCryptMsgHandle = string.Compare(this.ContentInfo.ContentType.Value, "1.2.840.113549.1.7.1", StringComparison.OrdinalIgnoreCase) != 0 ? CAPI.CryptMsgOpenToEncode(65537U, this.Detached ? 4U : 0U, 2U, new IntPtr((void*)&signedEncodeInfo), this.ContentInfo.ContentType.Value, IntPtr.Zero) : CAPI.CryptMsgOpenToEncode(65537U, this.Detached ? 4U : 0U, 2U, new IntPtr((void*)&signedEncodeInfo), IntPtr.Zero, IntPtr.Zero);
             if (safeCryptMsgHandle == null || safeCryptMsgHandle.IsInvalid)
                 throw new CryptographicException(Marshal.GetLastWin32Error());
             if (this.ContentInfo.Content.Length > 0 && !CAPI.CAPISafe.CryptMsgUpdate(safeCryptMsgHandle, this.ContentInfo.pContent, (uint)this.ContentInfo.Content.Length, true))
                 throw new CryptographicException(Marshal.GetLastWin32Error());
             encodedMessage = PkcsUtils.GetContent(safeCryptMsgHandle);
             safeCryptMsgHandle.Dispose();
             encodedCertBlob.Dispose();
         }
         finally
         {
             Marshal.DestroyStructure(localAllocHandle.DangerousGetHandle(), typeof(CAPI.CMSG_SIGNER_ENCODE_INFO));
             localAllocHandle.Dispose();
         }
     }
     finally
     {
         signerEncodeInfo.Dispose();
     }
     SafeCryptMsgHandle safeCryptMsgHandle1 = SignedCms.OpenToDecode(encodedMessage, this.ContentInfo, this.Detached);
     if (this.m_safeCryptMsgHandle != null && !this.m_safeCryptMsgHandle.IsInvalid)
         this.m_safeCryptMsgHandle.Dispose();
     this.m_safeCryptMsgHandle = safeCryptMsgHandle1;
     GC.KeepAlive((object)signer);
 }
Exemple #4
0
        private unsafe void Sign (CmsSigner signer, bool silent) {

            SafeCryptMsgHandle safeCryptMsgHandle = null;
            CAPI.CMSG_SIGNED_ENCODE_INFO signedEncodeInfo = new CAPI.CMSG_SIGNED_ENCODE_INFO(Marshal.SizeOf(typeof(CAPI.CMSG_SIGNED_ENCODE_INFO)));
            CAPI.CMSG_SIGNER_ENCODE_INFO signerEncodeInfo = PkcsUtils.CreateSignerEncodeInfo(signer, silent);

            byte[] encodedMessage = null;
            try {
                SafeLocalAllocHandle pSignerEncodeInfo = CAPI.LocalAlloc(CAPI.LMEM_FIXED, new IntPtr(Marshal.SizeOf(typeof(CAPI.CMSG_SIGNER_ENCODE_INFO))));

                try {
                    Marshal.StructureToPtr(signerEncodeInfo, pSignerEncodeInfo.DangerousGetHandle(), false);
                    X509Certificate2Collection bagOfCerts = PkcsUtils.CreateBagOfCertificates(signer);
                    SafeLocalAllocHandle pEncodedBagOfCerts = PkcsUtils.CreateEncodedCertBlob(bagOfCerts);

                    signedEncodeInfo.cSigners = 1;
                    signedEncodeInfo.rgSigners = pSignerEncodeInfo.DangerousGetHandle();
                    signedEncodeInfo.cCertEncoded = (uint) bagOfCerts.Count;
                    if (bagOfCerts.Count > 0)
                        signedEncodeInfo.rgCertEncoded = pEncodedBagOfCerts.DangerousGetHandle();

                    // Because of the way CAPI treats inner content OID, we should pass NULL
                    // for data type, otherwise detached will not work.
                    if (String.Compare(this.ContentInfo.ContentType.Value, CAPI.szOID_RSA_data, StringComparison.OrdinalIgnoreCase) == 0) {
                        safeCryptMsgHandle = CAPI.CryptMsgOpenToEncode(CAPI.X509_ASN_ENCODING | CAPI.PKCS_7_ASN_ENCODING,
                                                                       Detached ? CAPI.CMSG_DETACHED_FLAG : 0,
                                                                       CAPI.CMSG_SIGNED,
                                                                       new IntPtr(&signedEncodeInfo),
                                                                       IntPtr.Zero,
                                                                       IntPtr.Zero);
                    }
                    else {
                        safeCryptMsgHandle = CAPI.CryptMsgOpenToEncode(CAPI.X509_ASN_ENCODING | CAPI.PKCS_7_ASN_ENCODING,
                                                                       Detached ? CAPI.CMSG_DETACHED_FLAG : 0,
                                                                       CAPI.CMSG_SIGNED,
                                                                       new IntPtr(&signedEncodeInfo),
                                                                       this.ContentInfo.ContentType.Value,
                                                                       IntPtr.Zero);
                    }

                    if (safeCryptMsgHandle == null || safeCryptMsgHandle.IsInvalid)
                        throw new CryptographicException(Marshal.GetLastWin32Error());


                    if (this.ContentInfo.Content.Length > 0) {
                        if (!CAPI.CAPISafe.CryptMsgUpdate(safeCryptMsgHandle, this.ContentInfo.pContent, (uint) this.ContentInfo.Content.Length, true))
                            throw new CryptographicException(Marshal.GetLastWin32Error());
                    }

                    // Retrieve encoded message.
                    encodedMessage = PkcsUtils.GetContent(safeCryptMsgHandle);
                    safeCryptMsgHandle.Dispose();

                    pEncodedBagOfCerts.Dispose();
                }
                finally {
                    Marshal.DestroyStructure(pSignerEncodeInfo.DangerousGetHandle(), typeof(CAPI.CMSG_SIGNER_ENCODE_INFO));
                    pSignerEncodeInfo.Dispose();
                }
            }
            finally {
                // Don't forget to free all the resource still held inside signerEncodeInfo.
                signerEncodeInfo.Dispose();
            }

            // Re-open to decode.
            safeCryptMsgHandle = OpenToDecode(encodedMessage, this.ContentInfo, this.Detached);
            if (m_safeCryptMsgHandle != null && !m_safeCryptMsgHandle.IsInvalid) {
                m_safeCryptMsgHandle.Dispose();
            }
            m_safeCryptMsgHandle = safeCryptMsgHandle;
            GC.KeepAlive(signer);
        }