valter/umskt-rs
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Add validate command line option

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This commit is contained in:
Alex Page 2023-06-22 02:59:19 -04:00
parent 78b45cf929
commit e001afdaed
3 changed files with 83 additions and 15 deletions
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11
src/key.rs
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@ -2,17 +2,18 @@ use std::collections::VecDeque;
use openssl::bn::BigNum;
const P_CHARSET: [char; 24] = [
use crate::PK_LENGTH;
/// The allowed character set in a product key.
pub const P_KEY_CHARSET: [char; 24] = [
'B', 'C', 'D', 'F', 'G', 'H', 'J', 'K', 'M', 'P', 'Q', 'R', 'T', 'V', 'W', 'X', 'Y', '2', '3',
'4', '6', '7', '8', '9',
];
const PK_LENGTH: usize = 25;
pub fn base24_decode(cd_key: &str) -> Vec<u8> {
let p_decoded_key: Vec<u8> = cd_key
.chars()
.filter_map(|c| P_CHARSET.iter().position(|&x| x == c).map(|i| i as u8))
.filter_map(|c| P_KEY_CHARSET.iter().position(|&x| x == c).map(|i| i as u8))
.collect();
let mut y = BigNum::from_u32(0).unwrap();
@ -28,7 +29,7 @@ pub fn base24_decode(cd_key: &str) -> Vec<u8> {
pub fn base24_encode(byte_seq: &[u8]) -> String {
let mut z = BigNum::from_slice(byte_seq).unwrap();
let mut out: VecDeque<char> = VecDeque::new();
(0..=24).for_each(|_| out.push_front(P_CHARSET[z.div_word(24).unwrap() as usize]));
(0..=24).for_each(|_| out.push_front(P_KEY_CHARSET[z.div_word(24).unwrap() as usize]));
out.iter().collect()
}