1use hex;
2use ring::hmac;
3use std::time::SystemTime;
4
5pub fn millis() -> u128 {
6 SystemTime::now()
7 .duration_since(SystemTime::UNIX_EPOCH)
8 .unwrap()
9 .as_millis()
10}
11
12pub fn sign(secret: &str, msg: &str) -> String {
13 let key = hmac::Key::new(hmac::HMAC_SHA256, secret.as_bytes());
14 let tag = hmac::sign(&key, msg.as_bytes());
15 hex::encode(tag.as_ref())
16}
17
18#[cfg(test)]
19mod tests {
20 use super::*;
21
22 #[test]
23 fn test_millseconds() {
24 assert!(millis() > 0);
25 }
26
27 #[test]
28 fn test_sign() {
29 assert_eq!(
30 sign("secret", "message"),
31 String::from("8b5f48702995c1598c573db1e21866a9b825d4a794d169d7060a03605796360b")
32 );
33 }
34}