Struct LeeKoq

Source

pub struct LeeKoq;

Implementations§

Source §

impl LeeKoq

Source

pub const LUT: u32 = 979_137_582u32

Source

pub fn encrypt(block: u32, key: u64) -> u32

Encrypts a 32-bit block of plaintext using the KeeLoq algorithm.

§Arguments

block - 32-bit plaintext block
key - 64-bit key
return - 32-bit cipher-text block

§Example

use leekoq::LeeKoq;
 
let plain: u32 = 0x12345678;
let key: u64 = 0xCAFED00D;
assert_eq!(LeeKoq::encrypt(plain, key), 0xD0FB287C);

Examples found in repository ?

examples/encrypt.rs (line 22)

14fn main() {
15    let args: Vec<String> = env::args().collect();
16    if args.len() != 3 {
17        println!("Usage: cargo run --example encrypt -- <plain> <key>");
18    }
19    else {
20        let plain: u32 = parse(&args[1]) as u32;
21        let key: u64 = parse(&args[2]);
22        println!("cipher: {:08X}", LeeKoq::encrypt(plain, key));
23    }
24}

Source

pub fn decrypt(block: u32, key: u64) -> u32

Decrypts a 32-bit block of ciphertext using the KeeLoq algorithm.

§Arguments

block - 32-bit plaintext block
key - 64-bit key
return - 32-bit cipher-text block

§Example

use leekoq::LeeKoq;
 
let cipher: u32 = 0xD0FB287C;
let key: u64 = 0xCAFED00D;
assert_eq!(LeeKoq::decrypt(cipher, key), 0x12345678);

Examples found in repository ?

examples/decrypt.rs (line 22)

14fn main() {
15    let args: Vec<String> = env::args().collect();
16    if args.len() != 3 {
17        println!("Usage: cargo run --example decrypt -- <cipher> <key>");
18    }
19    else {
20        let cipher: u32 = parse(&args[1]) as u32;
21        let key: u64 = parse(&args[2]);
22        println!("cipher: {:08X}", LeeKoq::decrypt(cipher, key));
23    }
24}