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