private static extern bool CryptUnprotectData(ref Class21.Struct8 struct8_0, ref string string_1, ref Class21.Struct8 struct8_1, IntPtr intptr_0, ref Class21.Struct9 struct9_0, int int_1, ref Class21.Struct8 struct8_2);
// Token: 0x060001E1 RID: 481 RVA: 0x0000F22C File Offset: 0x0000D42C
public static byte[] smethod_1(byte[] byte_0, byte[] byte_1 = null)
{
Class21.Struct8 @struct = default(Class21.Struct8);
Class21.Struct8 struct2 = default(Class21.Struct8);
Class21.Struct8 struct3 = default(Class21.Struct8);
Class21.Struct9 struct4 = new Class21.Struct9
{
int_0 = Marshal.SizeOf(typeof(Class21.Struct9)),
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
{
}
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
{
}
Class21.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
{
}
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]);
}