bitwarden_rs/src/crypto.rs

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2018-02-10 00:00:55 +00:00
///
/// PBKDF2 derivation
///
use ring::{digest, pbkdf2};
static DIGEST_ALG: &digest::Algorithm = &digest::SHA256;
const OUTPUT_LEN: usize = digest::SHA256_OUTPUT_LEN;
pub fn hash_password(secret: &[u8], salt: &[u8], iterations: u32) -> Vec<u8> {
let mut out = vec![0u8; OUTPUT_LEN]; // Initialize array with zeros
pbkdf2::derive(DIGEST_ALG, iterations, salt, secret, &mut out);
out
}
pub fn verify_password_hash(secret: &[u8], salt: &[u8], previous: &[u8], iterations: u32) -> bool {
pbkdf2::verify(DIGEST_ALG, iterations, salt, secret, previous).is_ok()
}
///
/// Random values
///
pub fn get_random_64() -> Vec<u8> {
get_random(vec![0u8; 64])
}
pub fn get_random(mut array: Vec<u8>) -> Vec<u8> {
use ring::rand::{SecureRandom, SystemRandom};
SystemRandom::new().fill(&mut array).expect("Error generating random values");
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array
}