Function md5_password 

pub fn md5_password(username: &str, password: &str, salt: &[u8; 4]) -> BytesMut

Computes the MD5 password hash for Postgres authentication.

The hash is computed as: md5(md5(password + username) + salt)

Arguments

• username - The database username
• password - The user’s password
• salt - The 4-byte salt provided by the server

Returns

A BytesMut containing the password message ready to be sent.

Example

use pg_stream::auth::md5_password;

let salt = [0x12, 0x34, 0x56, 0x78];
let msg = md5_password("postgres", "secret", &salt);
// Send msg to the server