9 use srp::client::{srp_private_key, SrpClient};
10 use srp::groups::G_2048;
11 use srp::server::{SrpServer, UserRecord};
13 fn auth_test(reg_pwd: &[u8], auth_pwd: &[u8]) {
14 let mut rng = rand::rngs::OsRng::new().unwrap();
15 let username = b"alice";
17 // Client instance creation
18 let mut a = [0u8; 64];
19 rng.fill_bytes(&mut a);
20 let client = SrpClient::<Sha256>::new(&a, &G_2048);
23 let mut salt = [0u8; 16];
24 rng.fill_bytes(&mut salt);
25 let reg_priv_key = srp_private_key::<Sha256>(username, reg_pwd, &salt);
26 let verif = client.get_password_verifier(®_priv_key);
28 // User sends handshake
29 let a_pub = client.get_a_pub();
31 // Server retrieve user record from db and processes handshake
32 let user = UserRecord {
37 let mut b = [0u8; 64];
38 rng.fill_bytes(&mut b);
39 let server = SrpServer::<Sha256>::new(&user, &a_pub, &b, &G_2048).unwrap();
40 let (salt, b_pub) = (&user.salt, server.get_b_pub());
42 // Client processes handshake reply
43 let auth_priv_key = srp_private_key::<Sha256>(username, auth_pwd, salt);
44 let client2 = client.process_reply(&auth_priv_key, &b_pub).unwrap();
45 let proof = client2.get_proof();
47 // Server processes verification data
48 println!("Client verification");
49 let proof2 = server.verify(&proof).unwrap();
50 let server_key = server.get_key();
52 // Client verifies server
53 println!("Server verification");
54 let user_key = client2.verify_server(&proof2).unwrap();
55 assert_eq!(server_key, user_key, "server and client keys are not equal");
60 auth_test(b"password", b"password");
66 auth_test(b"password", b"paSsword");