1e1ddc17fb584353bbe281a67ef2852c0de6d66a
6 use openssl
::crypto
::hash
::SHA256
;
7 use openssl
::crypto
::hmac
::HMAC
;
8 use std
::slice
::bytes
::copy_memory
;
10 //const KEY_A: &'static [u8] = "49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d".from_hex().unwrap();
11 //static KEY_A: Vec<u8> = vec![1, 2, 3]; // "49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d".from_hex().unwrap();
19 pub fn new() -> Crypto
{
21 key_a
: [125, 31, 131, 118, 143, 180, 252, 53, 211, 217, 79, 240, 128, 91, 252, 87, 104, 236, 145, 198, 163, 203, 161, 12, 53, 56, 218, 40, 221, 95, 171, 140].to_vec(),
22 key_c
: [75, 226, 88, 31, 223, 216, 182, 216, 178, 58, 59, 193, 245, 80, 254, 128, 125, 246, 246, 224, 194, 190, 123, 123, 10, 131, 217, 183, 112, 157, 166, 102].to_vec()
26 pub fn compute_mac(&self, data
: &[u8]) -> [u8, ..10] {
27 let mut hmac
= HMAC(SHA256
, self.key_a
.as_slice());
29 let mut result
= [0u8, ..10];
30 copy_memory(&mut result
, hmac
.finalize().slice(0, 9));
35 pub fn encrypt(plaindata
: &Vec
<u8>) -> Vec
<u8> {
39 pub fn decrypt(cypherdata
: &Vec
<u8>) -> Vec
<u8> {
43 pub fn generate_key(size_byte
: uint
) -> IoResult
<Vec
<u8>> {
44 let mut bytes
= Vec
::from_elem(size_byte
, 0u8);
45 let mut generator
= try!(OsRng
::new());
46 generator
.fill_bytes(bytes
.as_mut_slice_());