Decode the device name for a crackproof driver

crackproof_name_decode.rs

fn main() {
    // get this from within the driver (sometimes at 0x15000)
    let mut data: [u16; 11] = [
        0x0087, 0x0068, 0x00bc, 0x005b, 0x008c, 0x0073, 0x0094, 0x00f7, 0x00d7, 0x00c1, 0x0000,
    ];

    let mut key: u16 = 0x5555;

    for i in 0..data.len() {
        let mut name_char = data[i];
        key = (key << 2) + i as u16;
        let something = name_char >> 6;

        if something.wrapping_sub(1) > 2 {
            break;
        }

        name_char ^= key;
        name_char = name_char.wrapping_sub(i as u16);
        name_char = name_char.wrapping_sub(something);
        name_char &= 0x3f;

        let mut out: u16 = 0;

        if name_char < 0xa {
            out = name_char + 0x30;
        }

        if (0xa..0x24).contains(&name_char) {
            out = name_char + 0x37;
        }
        if (0x24..0x3e).contains(&name_char) {
            out = name_char + 0x3d;
        }
        if name_char == 0x3e {
            out = 0x2e;
        }
        if out == 0 {
            break;
        }

        data[i] = out;
    }

    let output = String::from_utf16_lossy(&data);
    println!("{output}");
}