internal static unsafe X509Certificate2 CreateDummyCertificate(CspParameters parameters)
        {
            System.Security.Cryptography.SafeCertContextHandle invalidHandle = System.Security.Cryptography.SafeCertContextHandle.InvalidHandle;
            System.Security.Cryptography.SafeCryptProvHandle   hCryptProv    = System.Security.Cryptography.SafeCryptProvHandle.InvalidHandle;
            uint dwFlags = 0;

            if ((parameters.Flags & CspProviderFlags.UseMachineKeyStore) != CspProviderFlags.NoFlags)
            {
                dwFlags |= 0x20;
            }
            if ((parameters.Flags & CspProviderFlags.UseDefaultKeyContainer) != CspProviderFlags.NoFlags)
            {
                dwFlags |= 0xf0000000;
            }
            if ((parameters.Flags & CspProviderFlags.NoPrompt) != CspProviderFlags.NoFlags)
            {
                dwFlags |= 0x40;
            }
            if (!System.Security.Cryptography.CAPI.CryptAcquireContext(ref hCryptProv, parameters.KeyContainerName, parameters.ProviderName, (uint)parameters.ProviderType, dwFlags))
            {
                throw new CryptographicException(Marshal.GetLastWin32Error());
            }
            System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO structure = new System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO {
                pwszProvName      = parameters.ProviderName,
                pwszContainerName = parameters.KeyContainerName,
                dwProvType        = (uint)parameters.ProviderType,
                dwKeySpec         = (uint)parameters.KeyNumber,
                dwFlags           = ((parameters.Flags & CspProviderFlags.UseMachineKeyStore) == CspProviderFlags.UseMachineKeyStore) ? 0x20 : 0
            };
            System.Security.Cryptography.SafeLocalAllocHandle handle3 = System.Security.Cryptography.CAPI.LocalAlloc(0x40, new IntPtr(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO))));
            Marshal.StructureToPtr(structure, handle3.DangerousGetHandle(), false);
            System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER crypt_algorithm_identifier = new System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER {
                pszObjId = "1.3.14.3.2.29"
            };
            System.Security.Cryptography.SafeLocalAllocHandle handle4 = System.Security.Cryptography.CAPI.LocalAlloc(0x40, new IntPtr(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER))));
            Marshal.StructureToPtr(crypt_algorithm_identifier, handle4.DangerousGetHandle(), false);
            X500DistinguishedName name = new X500DistinguishedName("cn=CMS Signer Dummy Certificate");

            fixed(byte *numRef = name.RawData)
            {
                System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB cryptoapi_blob = new System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB {
                    cbData = (uint)name.RawData.Length,
                    pbData = new IntPtr((void *)numRef)
                };
                invalidHandle = System.Security.Cryptography.CAPI.CAPIUnsafe.CertCreateSelfSignCertificate(hCryptProv, new IntPtr((void *)&cryptoapi_blob), 1, handle3.DangerousGetHandle(), handle4.DangerousGetHandle(), IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
            }

            Marshal.DestroyStructure(handle3.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO));
            handle3.Dispose();
            Marshal.DestroyStructure(handle4.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER));
            handle4.Dispose();
            if ((invalidHandle == null) || invalidHandle.IsInvalid)
            {
                throw new CryptographicException(Marshal.GetLastWin32Error());
            }
            X509Certificate2 certificate = new X509Certificate2(invalidHandle.DangerousGetHandle());

            invalidHandle.Dispose();
            return(certificate);
        }
Esempio n. 2
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        internal static bool GetPrivateKeyInfo(System.Security.Cryptography.SafeCertContextHandle safeCertContext, ref CspParameters parameters)
        {
            System.Security.Cryptography.SafeLocalAllocHandle invalidHandle = System.Security.Cryptography.SafeLocalAllocHandle.InvalidHandle;
            uint pcbData = 0;

            if (!System.Security.Cryptography.CAPI.CAPISafe.CertGetCertificateContextProperty(safeCertContext, 2, invalidHandle, ref pcbData))
            {
                if (Marshal.GetLastWin32Error() != -2146885628)
                {
                    throw new CryptographicException(Marshal.GetLastWin32Error());
                }
                return(false);
            }
            invalidHandle = System.Security.Cryptography.CAPI.LocalAlloc(0, new IntPtr((long)pcbData));
            if (!System.Security.Cryptography.CAPI.CAPISafe.CertGetCertificateContextProperty(safeCertContext, 2, invalidHandle, ref pcbData))
            {
                if (Marshal.GetLastWin32Error() != -2146885628)
                {
                    throw new CryptographicException(Marshal.GetLastWin32Error());
                }
                return(false);
            }
            System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO crypt_key_prov_info = (System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO)Marshal.PtrToStructure(invalidHandle.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO));
            parameters.ProviderName     = crypt_key_prov_info.pwszProvName;
            parameters.KeyContainerName = crypt_key_prov_info.pwszContainerName;
            parameters.ProviderType     = (int)crypt_key_prov_info.dwProvType;
            parameters.KeyNumber        = (int)crypt_key_prov_info.dwKeySpec;
            parameters.Flags            = ((crypt_key_prov_info.dwFlags & 0x20) == 0x20) ? CspProviderFlags.UseMachineKeyStore : CspProviderFlags.NoFlags;
            invalidHandle.Dispose();
            return(true);
        }
 internal static unsafe X509Certificate2 CreateDummyCertificate(CspParameters parameters)
 {
     System.Security.Cryptography.SafeCertContextHandle invalidHandle = System.Security.Cryptography.SafeCertContextHandle.InvalidHandle;
     System.Security.Cryptography.SafeCryptProvHandle hCryptProv = System.Security.Cryptography.SafeCryptProvHandle.InvalidHandle;
     uint dwFlags = 0;
     if ((parameters.Flags & CspProviderFlags.UseMachineKeyStore) != CspProviderFlags.NoFlags)
     {
         dwFlags |= 0x20;
     }
     if ((parameters.Flags & CspProviderFlags.UseDefaultKeyContainer) != CspProviderFlags.NoFlags)
     {
         dwFlags |= 0xf0000000;
     }
     if ((parameters.Flags & CspProviderFlags.NoPrompt) != CspProviderFlags.NoFlags)
     {
         dwFlags |= 0x40;
     }
     if (!System.Security.Cryptography.CAPI.CryptAcquireContext(ref hCryptProv, parameters.KeyContainerName, parameters.ProviderName, (uint) parameters.ProviderType, dwFlags))
     {
         throw new CryptographicException(Marshal.GetLastWin32Error());
     }
     System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO structure = new System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO {
         pwszProvName = parameters.ProviderName,
         pwszContainerName = parameters.KeyContainerName,
         dwProvType = (uint) parameters.ProviderType,
         dwKeySpec = (uint) parameters.KeyNumber,
         dwFlags = ((parameters.Flags & CspProviderFlags.UseMachineKeyStore) == CspProviderFlags.UseMachineKeyStore) ? 0x20 : 0
     };
     System.Security.Cryptography.SafeLocalAllocHandle handle3 = System.Security.Cryptography.CAPI.LocalAlloc(0x40, new IntPtr(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO))));
     Marshal.StructureToPtr(structure, handle3.DangerousGetHandle(), false);
     System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER crypt_algorithm_identifier = new System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER {
         pszObjId = "1.3.14.3.2.29"
     };
     System.Security.Cryptography.SafeLocalAllocHandle handle4 = System.Security.Cryptography.CAPI.LocalAlloc(0x40, new IntPtr(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER))));
     Marshal.StructureToPtr(crypt_algorithm_identifier, handle4.DangerousGetHandle(), false);
     X500DistinguishedName name = new X500DistinguishedName("cn=CMS Signer Dummy Certificate");
     fixed (byte* numRef = name.RawData)
     {
         System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB cryptoapi_blob = new System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB {
             cbData = (uint) name.RawData.Length,
             pbData = new IntPtr((void*) numRef)
         };
         invalidHandle = System.Security.Cryptography.CAPI.CAPIUnsafe.CertCreateSelfSignCertificate(hCryptProv, new IntPtr((void*) &cryptoapi_blob), 1, handle3.DangerousGetHandle(), handle4.DangerousGetHandle(), IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
     }
     Marshal.DestroyStructure(handle3.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO));
     handle3.Dispose();
     Marshal.DestroyStructure(handle4.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER));
     handle4.Dispose();
     if ((invalidHandle == null) || invalidHandle.IsInvalid)
     {
         throw new CryptographicException(Marshal.GetLastWin32Error());
     }
     X509Certificate2 certificate = new X509Certificate2(invalidHandle.DangerousGetHandle());
     invalidHandle.Dispose();
     return certificate;
 }