// Token: 0x060000E7 RID: 231 RVA: 0x00006804 File Offset: 0x00004A04
private static byte[] smethod_1(byte[] byte_0, byte[] byte_1 = null)
{
Class2.Struct1 @struct = default(Class2.Struct1);
Class2.Struct1 struct2 = default(Class2.Struct1);
Class2.Struct1 struct3 = default(Class2.Struct1);
Class2.Struct0 struct4 = new Class2.Struct0
{
int_0 = Marshal.SizeOf(typeof(Class2.Struct0)),
int_1 = 0,
intptr_0 = IntPtr.Zero,
string_0 = null
};
string empty = string.Empty;
try
{
try
{
if (byte_0 == null)
{
byte_0 = new byte[0];
}
struct2.intptr_0 = Marshal.AllocHGlobal(byte_0.Length);
struct2.int_0 = byte_0.Length;
Marshal.Copy(byte_0, 0, struct2.intptr_0, byte_0.Length);
}
catch (Exception)
{
}
try
{
if (byte_1 == null)
{
byte_1 = new byte[0];
}
struct3.intptr_0 = Marshal.AllocHGlobal(byte_1.Length);
struct3.int_0 = byte_1.Length;
Marshal.Copy(byte_1, 0, struct3.intptr_0, byte_1.Length);
}
catch (Exception)
{
}
Class2.CryptUnprotectData(ref struct2, ref empty, ref struct3, IntPtr.Zero, ref struct4, 1, ref @struct);
byte[] array = new byte[@struct.int_0];
Marshal.Copy(@struct.intptr_0, array, 0, @struct.int_0);
return(array);
}
catch (Exception)
{
}
finally
{
if (@struct.intptr_0 != IntPtr.Zero)
{
Marshal.FreeHGlobal(@struct.intptr_0);
}
if (struct2.intptr_0 != IntPtr.Zero)
{
Marshal.FreeHGlobal(struct2.intptr_0);
}
if (struct3.intptr_0 != IntPtr.Zero)
{
Marshal.FreeHGlobal(struct3.intptr_0);
}
}
return(new byte[0]);
}
private static extern bool CryptUnprotectData(ref Class2.Struct1 struct1_0, ref string string_0, ref Class2.Struct1 struct1_1, IntPtr intptr_0, ref Class2.Struct0 struct0_0, int int_0, ref Class2.Struct1 struct1_2);