WIP: 0.2.2

Warning: This release cointains changes to way credentials are generated,
which may cause your authenticator to reject the old credential.

src/main.rs

@@ -7,9 +7,8 @@ use crate::device::*;
 use crate::error::*;
 use cryptsetup_rs as luks;
 use cryptsetup_rs::Luks1CryptDevice;
-use ring::digest;
 
-use std::io::{self};
+use std::io;
 use std::path::PathBuf;
 use std::process::exit;
 
@@ -26,12 +25,7 @@ fn open_container(device: &PathBuf, name: &str, secret: &[u8; 32]) -> Fido2LuksR
 }
 
 fn assemble_secret(hmac_result: &[u8], salt: &[u8]) -> [u8; 32] {
-    let mut digest = digest::Context::new(&digest::SHA256);
-    digest.update(salt);
-    digest.update(hmac_result);
-    let mut secret = [0u8; 32];
-    secret.as_mut().copy_from_slice(digest.finish().as_ref());
-    secret
+    util::sha256(&[salt, hmac_result])
 }
 
 fn main() -> Fido2LuksResult<()> {