bdrck 0.9.0

Generic common foundational utilities.
Documentation 
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// Copyright 2015 Axel Rasmussen
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use crypto::key::*;
use crypto::keystore::*;
use std::fs;
use testing::temp;

#[test]
fn test_keystore_save_round_trip() {
    let file = temp::File::new_file().unwrap();
    // Remove the file: an empty file isn't a valid serialized KeyStore.
    fs::remove_file(file.path()).unwrap();

    let wrap_key = Key::new_random().unwrap();
    let master_key: Option<Key>;

    {
        let keystore = KeyStore::open_or_new(file.path(), &wrap_key).unwrap();
        master_key = Some(keystore.get_master_key().clone());
    }

    {
        let keystore = KeyStore::open_or_new(file.path(), &wrap_key).unwrap();
        assert_eq!(
            master_key.as_ref().unwrap().get_digest(),
            keystore.get_master_key().get_digest()
        );
    }
}

#[test]
fn test_keystore_open_with_added_key() {
    let file = temp::File::new_file().unwrap();
    // Remove the file: an empty file isn't a valid serialized KeyStore.
    fs::remove_file(file.path()).unwrap();

    let salt = Salt::default();
    let keya = Key::new_password(
        "foo".as_bytes(),
        &salt,
        OPS_LIMIT_INTERACTIVE,
        MEM_LIMIT_INTERACTIVE,
    ).unwrap();
    let keyb = Key::new_password(
        "bar".as_bytes(),
        &salt,
        OPS_LIMIT_INTERACTIVE,
        MEM_LIMIT_INTERACTIVE,
    ).unwrap();
    assert_ne!(keya.get_digest(), keyb.get_digest());
    let master_key: Option<Key>;

    {
        let mut keystore = KeyStore::open_or_new(file.path(), &keya).unwrap();
        master_key = Some(keystore.get_master_key().clone());
        assert!(keystore.add_key(&keyb).unwrap());
    }

    {
        let keystore = KeyStore::open_or_new(file.path(), &keyb).unwrap();
        assert_eq!(
            master_key.as_ref().unwrap().get_digest(),
            keystore.get_master_key().get_digest()
        );
    }
}

#[test]
fn test_add_duplicate_key() {
    let file = temp::File::new_file().unwrap();
    // Remove the file: an empty file isn't a valid serialized KeyStore.
    fs::remove_file(file.path()).unwrap();

    let wrap_key = Key::new_random().unwrap();
    // Note that creating a new KeyStore automatically adds the given key.
    let mut keystore = KeyStore::open_or_new(file.path(), &wrap_key).unwrap();
    // Check that adding the same key again doesn't work.
    assert!(!keystore.add_key(&wrap_key).unwrap());
}

#[test]
fn test_remove_unused_key() {
    let file = temp::File::new_file().unwrap();
    // Remove the file: an empty file isn't a valid serialized KeyStore.
    fs::remove_file(file.path()).unwrap();

    let salt = Salt::default();
    let keya = Key::new_password(
        "foo".as_bytes(),
        &salt,
        OPS_LIMIT_INTERACTIVE,
        MEM_LIMIT_INTERACTIVE,
    ).unwrap();
    let keyb = Key::new_password(
        "bar".as_bytes(),
        &salt,
        OPS_LIMIT_INTERACTIVE,
        MEM_LIMIT_INTERACTIVE,
    ).unwrap();
    assert_ne!(keya.get_digest(), keyb.get_digest());

    let mut keystore = KeyStore::open_or_new(file.path(), &keya).unwrap();
    // Test that removing some other key returns false, since it isn't in the
    // KeyStore.
    assert!(!keystore.remove_key(&keyb).unwrap());
}

#[test]
fn test_remove_only_key() {
    let file = temp::File::new_file().unwrap();
    // Remove the file: an empty file isn't a valid serialized KeyStore.
    fs::remove_file(file.path()).unwrap();

    let key = Key::new_random().unwrap();
    let mut keystore = KeyStore::open_or_new(file.path(), &key).unwrap();
    // Test that removing the sole key is treated as an error.
    assert!(keystore.remove_key(&key).is_err());
}