Struct xtsn::CXTSN

pub struct CXTSN { /* private fields */ }

This structure is the C-Version of the XTSN decryptor It works the same way the XTSN version does!

Implementations

impl CXTSN

pub fn new(crypt: &str, tweak: &str) -> Result<Self, String>

initializes a new Cryptor it requires 2 keys:

• crypt to decrypt
• tweak to encrypt they can be the same but shouldn’t !!!

pub fn encrypt(
    &self,
    buffer: Vec<u8>,
    sector_off: usize
) -> Result<Vec<u8>, String>

This function is used to encrypt data. It works only with buffers, that are a multiple of 0x200! The function doesn’t check the buffer so it will silently ignore any trailing bytes in the buffer!

Example

extern crate XTSN;

fn main() {
    let mut data = b"Hello XTSN".to_vec();
    // the string is not 0x200 bytes:
    while data.len() != 0x200 {
        data.push(0);
    }
    let xts = match XTSN::CXTSN::new("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF") {
        Ok(res) => res,
        Err(e) => panic!(e),
    };
    let ret = match xts.encrypt(data, 0) {
        Ok(res) => res,
        Err(e) => panic!(e),
    };
    println!("{:?}", &ret);
}

pub fn decrypt(
    &self,
    buffer: Vec<u8>,
    sector_off: usize
) -> Result<Vec<u8>, String>

This function is used to decrypt data. It works only with buffers, that are a multiple of 0x200! The function doesn’t check the buffer so it will silently ignore any trailing bytes in the buffer! This function is currently broken and need some debugging, or you can just use the CXTSN version which just works :3

Example

extern crate XTSN;

fn main() {
    let mut data = b"Hello XTSN".to_vec();
    // the string is not 0x200 bytes:
    while data.len() != 0x200 {
        data.push(0);
    }
    let xts = match XTSN::CXTSN::new("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
                                     "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF") {
        Ok(res) => res,
        Err(e) => panic!(e),
    };
    let ret = match xts.decrypt(data, 0) {
        Ok(res) => res,
        Err(e) => panic!(e),
    };
    println!("{:?}", &ret);
}