private static void smethod_2(ICryptoTransform A_0, Stream A_1, Stream A_2)
{
A_1.Position = 0L;
A_2.Position = 0L;
long num = new BinaryReader(A_1).ReadInt64();
A_2.SetLength((long)Class567.smethod_5(num, 0x200));
Class258.smethod_3(A_1, A_2, A_0);
A_2.SetLength(num);
A_1.Position = 0L;
A_2.Position = 0L;
}
private static void smethod_4(ICryptoTransform A_0, Stream A_1, Stream A_2)
{
A_1.Position = 0L;
A_2.Position = 0L;
long length = A_1.Length;
A_1.SetLength((long)Class567.smethod_5(A_1.Length, 0x10));
new BinaryWriter(A_2).Write(length);
A_2.SetLength((long)(Class567.smethod_5(length, 0x10) + 8));
Class258.smethod_3(A_1, A_2, A_0);
A_1.Position = 0L;
A_2.Position = 0L;
}
private void method_1(Stream A_0, Stream A_1, byte[] A_2)
{
A_0.Position = 0L;
A_1.Position = 0L;
long num = new BinaryReader(A_0).ReadInt64();
A_1.SetLength((long)Class567.smethod_5(num, 0x200));
byte[] buffer = new byte[0x1000];
for (int i = 0; A_0.Position < A_0.Length; i++)
{
int count = Math.Min((int)(A_0.Length - A_0.Position), 0x1000);
A_0.Read(buffer, 0, count);
byte[] buffer2 = this.method_9(this.method_11().method_9(), BitConverter.GetBytes(i), this.method_11().method_2(), 0x36);
byte[] buffer3 = this.method_6(A_2, buffer2, buffer);
A_1.Write(buffer3, 0, count);
}
A_1.SetLength(num);
A_1.Position = 0L;
}
