200 lines
8.2 KiB
C#
200 lines
8.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Security;
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using System.Text;
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using System.Threading.Tasks;
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namespace Microsoft.AspNet.Security.DataProtection
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{
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#if NET45
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[SuppressUnmanagedCodeSecurity]
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#endif
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internal static unsafe class UnsafeNativeMethods
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{
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private const string BCRYPT_LIB = "bcrypt.dll";
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private const string CRYPT32_LIB = "crypt32.dll";
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private const string KERNEL32_LIB = "kernel32.dll";
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/*
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* BCRYPT.DLL
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*/
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375377(v=vs.85).aspx
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internal static extern int BCryptCloseAlgorithmProvider(
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[In] IntPtr hAlgorithm,
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[In] uint dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375383(v=vs.85).aspx
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internal static extern int BCryptCreateHash(
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[In] BCryptAlgorithmHandle hAlgorithm,
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[Out] out BCryptHashHandle phHash,
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[In] IntPtr pbHashObject,
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[In] uint cbHashObject,
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[In] byte* pbSecret,
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[In] uint cbSecret,
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[In] uint dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375391(v=vs.85).aspx
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internal static extern int BCryptDecrypt(
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[In] BCryptKeyHandle hKey,
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[In] byte* pbInput,
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[In] uint cbInput,
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[In] IntPtr pPaddingInfo,
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[In] byte* pbIV,
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[In] uint cbIV,
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[In] byte* pbOutput,
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[In] uint cbOutput,
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[Out] out uint pcbResult,
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[In] BCryptEncryptFlags dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/dd433795(v=vs.85).aspx
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internal static extern int BCryptDeriveKeyPBKDF2(
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[In] BCryptAlgorithmHandle hPrf,
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[In] byte* pbPassword,
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[In] uint cbPassword,
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[In] byte* pbSalt,
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[In] uint cbSalt,
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[In] ulong cIterations,
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[In] byte* pbDerivedKey,
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[In] uint cbDerivedKey,
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[In] uint dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375399(v=vs.85).aspx
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internal static extern int BCryptDestroyHash(
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[In] IntPtr hHash);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375404(v=vs.85).aspx
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internal static extern int BCryptDestroyKey(
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[In] IntPtr hKey);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375413(v=vs.85).aspx
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internal static extern int BCryptDuplicateHash(
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[In] BCryptHashHandle hHash,
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[Out] out BCryptHashHandle phNewHash,
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[In] IntPtr pbHashObject,
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[In] uint cbHashObject,
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[In] uint dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375421(v=vs.85).aspx
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internal static extern int BCryptEncrypt(
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[In] BCryptKeyHandle hKey,
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[In] byte* pbInput,
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[In] uint cbInput,
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[In] IntPtr pPaddingInfo,
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[In] byte* pbIV,
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[In] uint cbIV,
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[In] byte* pbOutput,
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[In] uint cbOutput,
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[Out] out uint pcbResult,
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[In] BCryptEncryptFlags dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375443(v=vs.85).aspx
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internal static extern int BCryptFinishHash(
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[In] BCryptHashHandle hHash,
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[In] byte* pbOutput,
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[In] uint cbOutput,
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[In] uint dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375458(v=vs.85).aspx
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internal static extern int BCryptGenRandom(
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[In] IntPtr hAlgorithm,
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[In] byte* pbBuffer,
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[In] uint cbBuffer,
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[In] BCryptGenRandomFlags dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375468(v=vs.85).aspx
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internal static extern int BCryptHashData(
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[In] BCryptHashHandle hHash,
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[In] byte* pbInput,
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[In] uint cbInput,
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[In] uint dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375475(v=vs.85).aspx
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internal static extern int BCryptImportKey(
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[In] BCryptAlgorithmHandle hAlgorithm,
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[In] IntPtr hImportKey, // unused
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[In, MarshalAs(UnmanagedType.LPWStr)] string pszBlobType,
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[Out] out BCryptKeyHandle phKey,
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[In] IntPtr pbKeyObject, // unused
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[In] uint cbKeyObject,
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[In] byte* pbInput,
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[In] uint cbInput,
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[In] uint dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/hh448506(v=vs.85).aspx
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internal static extern int BCryptKeyDerivation(
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[In] BCryptKeyHandle hKey,
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[In] BCryptBufferDesc* pParameterList,
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[In] byte* pbDerivedKey,
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[In] uint cbDerivedKey,
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[Out] out uint pcbResult,
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[In] uint dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375479(v=vs.85).aspx
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internal static extern int BCryptOpenAlgorithmProvider(
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[Out] out BCryptAlgorithmHandle phAlgorithm,
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[In, MarshalAs(UnmanagedType.LPWStr)] string pszAlgId,
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[In, MarshalAs(UnmanagedType.LPWStr)] string pszImplementation,
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[In] BCryptAlgorithmFlags dwFlags);
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[DllImport(BCRYPT_LIB, CallingConvention = CallingConvention.Winapi)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa375504(v=vs.85).aspx
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internal static extern int BCryptSetProperty(
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[In] SafeHandle hObject,
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[In, MarshalAs(UnmanagedType.LPWStr)] string pszProperty,
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[In] IntPtr pbInput,
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[In] uint cbInput,
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[In] uint dwFlags);
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/*
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* CRYPT32.DLL
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*/
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[DllImport(CRYPT32_LIB, CallingConvention = CallingConvention.Winapi, SetLastError = true)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa380261(v=vs.85).aspx
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internal static extern bool CryptProtectData(
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[In] DATA_BLOB* pDataIn,
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[In] IntPtr szDataDescr,
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[In] DATA_BLOB* pOptionalEntropy,
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[In] IntPtr pvReserved,
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[In] IntPtr pPromptStruct,
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[In] uint dwFlags,
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[Out] out DATA_BLOB pDataOut);
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[DllImport(CRYPT32_LIB, CallingConvention = CallingConvention.Winapi, SetLastError = true)]
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa380882(v=vs.85).aspx
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internal static extern bool CryptUnprotectData(
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[In] DATA_BLOB* pDataIn,
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[In] IntPtr ppszDataDescr,
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[In] DATA_BLOB* pOptionalEntropy,
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[In] IntPtr pvReserved,
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[In] IntPtr pPromptStruct,
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[In] uint dwFlags,
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[Out] out DATA_BLOB pDataOut);
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/*
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* KERNEL32.DLL
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*/
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[DllImport(KERNEL32_LIB, CallingConvention = CallingConvention.Winapi)]
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internal static extern void RtlZeroMemory(
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[In] IntPtr Destination,
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[In] UIntPtr /* SIZE_T */ Length);
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}
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} |