// Token: 0x060029CB RID: 10699 RVA: 0x000A03FC File Offset: 0x0009E5FC
internal static void smethod_1(string initialVector, Stream source, Stream destination)
{
byte[] array = new byte[56];
byte[] array2 = new byte[40];
byte[] array3 = new byte[16];
source.Read(array, 0, 56);
array = Class470.smethod_3(array);
Array.Copy(array, 0, array2, 0, 40);
Array.Copy(array, 40, array3, 0, 16);
ASCIIEncoding asciiencoding = new ASCIIEncoding();
byte[] bytes = asciiencoding.GetBytes(initialVector);
using (PasswordDeriveBytes passwordDeriveBytes = new PasswordDeriveBytes(array2, array3, Class470.string_0, Class470.int_1))
{
byte[] bytes2 = passwordDeriveBytes.GetBytes(Class470.int_0 / 8);
using (RijndaelManaged rijndaelManaged = new RijndaelManaged())
{
rijndaelManaged.Mode = CipherMode.CBC;
using (ICryptoTransform cryptoTransform = rijndaelManaged.CreateDecryptor(bytes2, bytes))
{
using (CryptoStream cryptoStream = new CryptoStream(source, cryptoTransform, CryptoStreamMode.Read))
{
cryptoStream.CopyTo(destination);
}
}
rijndaelManaged.Clear();
}
}
}
// Token: 0x060029CA RID: 10698 RVA: 0x000A02B8 File Offset: 0x0009E4B8
internal static void smethod_0(string initialVector, Stream source, Stream destination)
{
byte[] array = new byte[40];
Class124.Instance.method_7(array);
ASCIIEncoding asciiencoding = new ASCIIEncoding();
byte[] bytes = asciiencoding.GetBytes(initialVector);
byte[] array2 = new byte[16];
Class124.Instance.method_7(array2);
byte[] array3 = new byte[array.Length + array2.Length];
Array.Copy(array, 0, array3, 0, 40);
Array.Copy(array2, 0, array3, 40, 16);
array3 = Class470.smethod_2(array3);
destination.Write(array3, 0, array3.Length);
using (PasswordDeriveBytes passwordDeriveBytes = new PasswordDeriveBytes(array, array2, Class470.string_0, Class470.int_1))
{
byte[] bytes2 = passwordDeriveBytes.GetBytes(Class470.int_0 / 8);
using (RijndaelManaged rijndaelManaged = new RijndaelManaged())
{
rijndaelManaged.Mode = CipherMode.CBC;
using (ICryptoTransform cryptoTransform = rijndaelManaged.CreateEncryptor(bytes2, bytes))
{
using (CryptoStream cryptoStream = new CryptoStream(destination, cryptoTransform, CryptoStreamMode.Write))
{
source.CopyTo(cryptoStream);
}
}
rijndaelManaged.Clear();
}
}
}
// Token: 0x06002A6D RID: 10861 RVA: 0x000A42F0 File Offset: 0x000A24F0
public static bool smethod_1()
{
bool result;
lock (Class110.object_0)
{
try
{
string text = Path.Combine(Class291.CommonApplicationDataDirectory, Guid.NewGuid().ToString() + ".tmp");
using (MemoryStream memoryStream = new MemoryStream())
{
Class110.Instance.method_2(memoryStream);
memoryStream.Position = 0L;
using (Stream stream = File.Open(text, FileMode.Create, FileAccess.Write, FileShare.None))
{
Class470.smethod_0(Class110.string_0, memoryStream, stream);
}
}
Class234.smethod_14(text, Class291.string_15, true);
result = true;
}
catch (Exception ex)
{
ex.smethod_1(new object[]
{
Class291.string_15
});
DialogBox.smethod_7(ex, Class291.string_15);
result = false;
}
}
return(result);
}
// Token: 0x06002A6C RID: 10860 RVA: 0x000A4234 File Offset: 0x000A2434
private static Class110 smethod_0()
{
if (File.Exists(Class291.string_15))
{
Class110 result;
try
{
using (Stream stream = File.Open(Class291.string_15, FileMode.Open, FileAccess.Read, FileShare.None))
{
using (MemoryStream memoryStream = new MemoryStream())
{
Class470.smethod_1(Class110.string_0, stream, memoryStream);
memoryStream.Position = 0L;
result = new Class110(memoryStream);
}
}
}
catch (Exception ex)
{
ex.smethod_1(new object[]
{
Class291.string_15
});
DialogBox.smethod_7(ex, Class291.string_15);
goto IL_81;
}
return(result);
}
IL_81:
return(new Class110());
}
// Token: 0x060029CD RID: 10701 RVA: 0x000A0564 File Offset: 0x0009E764
private static byte[] smethod_3(byte[] data)
{
if (data.Length % 2 != 0)
{
throw new ArgumentException();
}
byte[] array = Class470.smethod_6(Class470.smethod_4(Class470.smethod_5(data)));
Array.Reverse(array);
return(array);
}
// Token: 0x060029CC RID: 10700 RVA: 0x000A0520 File Offset: 0x0009E720
private static byte[] smethod_2(byte[] data)
{
if (data.Length % 2 != 0)
{
throw new ArgumentException();
}
byte[] array = new byte[data.Length];
data.CopyTo(array, 0);
Array.Reverse(array);
return(Class470.smethod_5(Class470.smethod_4(Class470.smethod_6(array))));
}
