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Transitions' password type

tag_password is an simple Rust library designed to enhance security by leveraging the type system to statically determine password hashing status. This approach ensures a clear distinction between plain text and hashed passwords in your code, allowing for stronger security measures.

Features

  • Type-based Password Markers: Two marker types, Hashed and Plain, are used to distinguish between hashed and plain text passwords. These zero-sized types, combined with PhantomData, facilitate compile-time checks for password status.

  • Argon2 Hashing (Optional): If the argon2 feature is enabled, the library provides hashing functionality using Argon2, a secure password hashing algorithm.

Usage

Add the library to your current project using Cargo:

cargo add tag_password

Then create a new password and operate on them

use tag_password::Password;

// Create a new plain text password
let plain_password = Password::new("my_password");
// Hash the plain text password using Argon2
let hashed_password = plain_password
    .hash(None, &salt)
    .expect("Hashing should not fail.");
// Verify a hashed password against a plain text password
hashed_password
    .verify(None, plain_password)
    .expect("Verification should not fail.");

License

This project is licensed under the MIT License.