class/Mono.Security.Win32/Mono.Security.Cryptography/CryptoAPI.cs

   1 //
   2 // Mono.Security.Cryptography.CryptoAPI
   3 //
   4 // Authors:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //
   7 // Copyright (C) 2003 Motus Technologies Inc. (http://www.motus.com)
   8 //
   9
  10 using System;
  11 using System.Runtime.InteropServices;
  12
  13 namespace Mono.Security.Cryptography {
  14
  15 internal class CryptoAPI {
  16
  17         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  18         public static extern bool CryptAcquireContextA (ref IntPtr phProv, string pszContainer, string pszProvider, int dwProvType, uint dwFlags);
  19         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  20         public static extern bool CryptCreateHash (IntPtr hProv, uint Algid, IntPtr hKey, uint dwFlags, ref IntPtr phHash);
  21         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  22         public static extern bool CryptDecrypt (IntPtr hKey, IntPtr hHash, bool Final, uint dwFlags, byte[] pbData, ref uint pdwDataLen);
  23         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  24         public static extern bool CryptDestroyHash (IntPtr hHash);
  25         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  26         public static extern bool CryptDestroyKey (IntPtr hKey);
  27         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  28         public static extern bool CryptEncrypt (IntPtr hKey, IntPtr hHash, bool Final, uint dwFlags, byte[] pbData, ref uint pdwDataLen, uint dwBufLen);
  29         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  30         public static extern bool CryptGenKey (IntPtr hProv, uint Algid, uint dwFlags, ref IntPtr phKey);
  31         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  32         public static extern bool CryptGenRandom (IntPtr hProv, uint dwLen, byte[] pbBuffer);
  33         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  34         public static extern bool CryptGetHashParam (IntPtr hHash, uint dwParam, byte[] pbData, ref uint pdwDataLen, uint dwFlags);
  35         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  36         public static extern bool CryptHashData (IntPtr hHash, byte[] pbData, uint dwDataLen, uint dwFlags);
  37         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  38         public static extern bool CryptImportKey (IntPtr hProv, byte[] pbData, uint dwDataLen, IntPtr hPubKey, uint dwFlags, ref IntPtr phKey);
  39         [DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall, SetLastError=true)]
  40         public static extern bool CryptReleaseContext (IntPtr hProv, uint dwFlags);
  41
  42         public static readonly uint CRYPT_VERIFYCONTEXT  = 0xF0000000;
  43         public static readonly uint CRYPT_NEWKEYSET      = 0x00000008;
  44         public static readonly uint CRYPT_DELETEKEYSET   = 0x00000010;
  45         public static readonly uint CRYPT_MACHINE_KEYSET = 0x00000020;
  46         public static readonly uint CRYPT_SILENT         = 0x00000040;
  47
  48         public static readonly int PROV_RSA_FULL         = 1;
  49
  50         public static readonly uint HP_HASHVAL           = 0x0002;
  51
  52         public static readonly int CALG_MD2  = 0x8001;
  53         public static readonly int CALG_MD4  = 0x8002;
  54         public static readonly int CALG_MD5  = 0x8003;
  55         public static readonly int CALG_SHA1 = 0x8004;
  56
  57         // just so we don't have to add System.Runtime.InteropServices
  58         // in every file
  59         static public int GetLastError ()
  60         {
  61                 return Marshal.GetLastWin32Error ();
  62         }
  63 }
  64
  65 }