66 lines
2.2 KiB
C#
Executable File
66 lines
2.2 KiB
C#
Executable File
using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using Shadowsocks.Controller;
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using Shadowsocks.Properties;
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using Shadowsocks.Util;
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namespace Shadowsocks.Encryption
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{
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public class PolarSSL
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{
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const string DLLNAME = "libsscrypto";
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public const int AES_CTX_SIZE = 8 + 4 * 68;
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public const int AES_ENCRYPT = 1;
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public const int AES_DECRYPT = 0;
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static PolarSSL()
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{
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string dllPath = Utils.GetTempPath("libsscrypto.dll");
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try
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{
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FileManager.UncompressFile(dllPath, Resources.libsscrypto_dll);
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}
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catch (IOException)
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{
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}
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catch (Exception e)
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{
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Logging.LogUsefulException(e);
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}
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LoadLibrary(dllPath);
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}
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[DllImport("Kernel32.dll")]
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private static extern IntPtr LoadLibrary(string path);
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[DllImport(DLLNAME, CallingConvention = CallingConvention.Cdecl)]
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public extern static void aes_init(IntPtr ctx);
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[DllImport(DLLNAME, CallingConvention = CallingConvention.Cdecl)]
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public extern static void aes_free(IntPtr ctx);
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[DllImport(DLLNAME, CallingConvention = CallingConvention.Cdecl)]
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public extern static int aes_setkey_enc(IntPtr ctx, byte[] key, int keysize);
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[DllImport(DLLNAME, CallingConvention = CallingConvention.Cdecl)]
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public extern static int aes_crypt_cfb128(IntPtr ctx, int mode, int length, ref int iv_off, byte[] iv, byte[] input, byte[] output);
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public const int ARC4_CTX_SIZE = 264;
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[DllImport(DLLNAME, CallingConvention = CallingConvention.Cdecl)]
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public extern static void arc4_init(IntPtr ctx);
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[DllImport(DLLNAME, CallingConvention = CallingConvention.Cdecl)]
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public extern static void arc4_free(IntPtr ctx);
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[DllImport(DLLNAME, CallingConvention = CallingConvention.Cdecl)]
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public extern static void arc4_setup(IntPtr ctx, byte[] key, int keysize);
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[DllImport(DLLNAME, CallingConvention = CallingConvention.Cdecl)]
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public extern static int arc4_crypt(IntPtr ctx, int length, byte[] input, byte[] output);
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}
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}
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