Beispiel #1
0
        // Token: 0x06000169 RID: 361 RVA: 0x0000561C File Offset: 0x0000381C
        private static IEnumerable <OperaPassword> EnumeratePasswords(string wandFileName)
        {
            List <OperaPassword> list = new List <OperaPassword>();

            checked
            {
                IEnumerable <OperaPassword> result;
                if (!File.Exists(wandFileName))
                {
                    result = list;
                }
                else
                {
                    using (FileStream fileStream = new FileStream(wandFileName, FileMode.Open, FileAccess.Read))
                    {
                        List <OperaPasswords.EncBlock> list2 = new List <OperaPasswords.EncBlock>();
                        fileStream.Seek(0L, SeekOrigin.Begin);
                        while (fileStream.Position != fileStream.Length)
                        {
                            OperaPasswords.EncBlock encBlock = OperaPasswords.ReadEncryptedBlock(fileStream);
                            if (encBlock != null)
                            {
                                list2.Add(encBlock);
                            }
                        }
                        fileStream.Seek(0L, SeekOrigin.Begin);
                        BinaryReader binaryReader = new BinaryReader(fileStream);
                        int          num          = OperaPasswords.Swap(binaryReader.ReadInt32());
                        int          num2         = num;
                        if (num2 < 5)
                        {
                            int num3 = 4;
                            int num4 = list2.Count - (list2.Count - 4) % 5 - 1;
                            for (int i = num3; i <= num4; i += 5)
                            {
                                list.Add(new OperaPassword(list2[i].DataString, string.Empty, list2[i + 1].DataString, list2[i + 2].DataString, list2[i + 3].DataString, list2[i + 4].DataString, string.Empty));
                            }
                        }
                        else if (num2 == 5)
                        {
                            int num5 = 4;
                            int num6 = list2.Count - (list2.Count - 4) % 6 - 1;
                            for (int j = num5; j <= num6; j += 6)
                            {
                                list.Add(new OperaPassword(list2[j].DataString, list2[j + 1].DataString, list2[j + 2].DataString, list2[j + 3].DataString, list2[j + 4].DataString, list2[j + 5].DataString, string.Empty));
                            }
                        }
                        else
                        {
                            int l;
                            for (int k = 5; k < list2.Count; k = l)
                            {
                                for (l = k + 1; l < list2.Count; l++)
                                {
                                    if (Regex.IsMatch(list2[l].DataString, "^[0-9A-F]{32}"))
                                    {
                                        break;
                                    }
                                }
                                if (l - k == 10)
                                {
                                    list.Add(new OperaPassword(list2[l - 7].DataString, list2[k + 2].DataString, list2[l - 6].DataString, list2[l - 5].DataString, list2[l - 4].DataString, list2[l - 3].DataString, list2[k + 1].DataString));
                                }
                                else
                                {
                                    list.Add(new OperaPassword(list2[l - 5].DataString, list2[k + 2].DataString, list2[l - 4].DataString, list2[l - 3].DataString, list2[l - 2].DataString, list2[l - 1].DataString, list2[k + 1].DataString));
                                }
                            }
                        }
                    }
                    result = list;
                }
                return(result);
            }
        }
Beispiel #2
0
        // Token: 0x0600016B RID: 363 RVA: 0x0000597C File Offset: 0x00003B7C
        private static OperaPasswords.EncBlock ReadEncryptedBlock(Stream stream)
        {
            OperaPasswords.EncBlock encBlock = new OperaPasswords.EncBlock();
            checked
            {
                BinaryReader binaryReader;
                for (;;)
                {
                    while (stream.Position != stream.Length)
                    {
                        if (stream.ReadByte() == 0 && stream.ReadByte() == 0 && stream.ReadByte() == 0 && stream.ReadByte() == 8)
                        {
                            break;
                        }
                    }
                    if (stream.Position == stream.Length)
                    {
                        break;
                    }
                    long offset = stream.Seek(-8L, SeekOrigin.Current) + 8L;
                    binaryReader          = new BinaryReader(stream);
                    encBlock.BlockSize    = OperaPasswords.Swap(binaryReader.ReadInt32());
                    encBlock.DESKeyLength = OperaPasswords.Swap(binaryReader.ReadInt32());
                    encBlock.DESKey       = binaryReader.ReadBytes(8);
                    encBlock.DataLength   = OperaPasswords.Swap(binaryReader.ReadInt32());
                    if (encBlock.DataLength + 16 == encBlock.BlockSize)
                    {
                        goto IL_D4;
                    }
                    stream.Seek(offset, SeekOrigin.Begin);
                }
                return(null);

IL_D4:
                encBlock.Data = binaryReader.ReadBytes(encBlock.DataLength);
                byte[] array = new byte[]
                {
                    131,
                    125,
                    252,
                    15,
                    142,
                    179,
                    232,
                    105,
                    115,
                    175,
                    byte.MaxValue
                };
                byte[] array2 = new byte[256];
                Array.Copy(array, array2, array.Length);
                Array.ConstrainedCopy(encBlock.DESKey, 0, array2, array.Length, encBlock.DESKey.Length);
                MD5CryptoServiceProvider md5CryptoServiceProvider = new MD5CryptoServiceProvider();
                byte[] array3 = md5CryptoServiceProvider.ComputeHash(array2, 0, array.Length + encBlock.DESKey.Length);
                Array.Copy(array3, array2, array3.Length);
                Array.ConstrainedCopy(array, 0, array2, array3.Length, array.Length);
                Array.ConstrainedCopy(encBlock.DESKey, 0, array2, array3.Length + array.Length, encBlock.DESKey.Length);
                byte[] sourceArray = md5CryptoServiceProvider.ComputeHash(array2, 0, array3.Length + array.Length + encBlock.DESKey.Length);
                byte[] array4      = new byte[24];
                Array.ConstrainedCopy(array3, 0, array4, 0, 8);
                Array.ConstrainedCopy(array3, 8, array4, 8, 8);
                Array.ConstrainedCopy(sourceArray, 0, array4, 16, 8);
                byte[] array5 = new byte[8];
                Array.ConstrainedCopy(sourceArray, 8, array5, 0, 8);
                TripleDESCryptoServiceProvider tripleDESCryptoServiceProvider = new TripleDESCryptoServiceProvider();
                ICryptoTransform transform    = tripleDESCryptoServiceProvider.CreateDecryptor(array4, array5);
                CryptoStream     cryptoStream = new CryptoStream(new MemoryStream(encBlock.Data), transform, CryptoStreamMode.Read);
                MemoryStream     memoryStream = new MemoryStream();
                byte[]           array6       = new byte[256];
                for (int num = cryptoStream.Read(array6, 0, array6.Length); num != 0; num = cryptoStream.Read(array6, 0, array6.Length))
                {
                    memoryStream.Write(array6, 0, num);
                }
                encBlock.DataString = Encoding.Unicode.GetString(memoryStream.ToArray());
                return(encBlock);
            }
        }