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