Function dumb_crypto::pbkdf2::pbkdf2_sha256

pub fn pbkdf2_sha256(password: &[u8], salt: &[u8], c: usize, out: &mut [u8])

Derive key using password, salt, and c rounds.

Usage:

extern crate dumb_crypto;

use::dumb_crypto::pbkdf2::pbkdf2_sha256;

let mut out: [u8; 8] = [0; 8];

pbkdf2_sha256(b"password", b"salt", 100, &mut out);

assert_eq!(out.to_vec(), vec![
     0x07, 0xe6, 0x99, 0x71, 0x80, 0xcf, 0x7f, 0x12,
]);