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write some key tests (#1095)

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Conrad Ludgate 2023-07-14 07:50:28 +01:00 committed by GitHub
parent 491433afd5
commit db83d9598f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 60 additions and 7 deletions
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67
atuin-client/src/encryption.rs
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@ -70,6 +70,8 @@ pub fn encode_key(key: &Key) -> Result<String> {
}
pub fn decode_key(key: String) -> Result<Key> {
use rmp::decode;
let buf = BASE64_STANDARD
.decode(key.trim_end())
.wrap_err("encryption key is not a valid base64 encoding")?;
@ -80,14 +82,27 @@ pub fn decode_key(key: String) -> Result<Key> {
Ok(key) => Ok(key.into()),
Err(_) => {
let mut bytes = rmp::decode::Bytes::new(&buf);
let key_len =
rmp::decode::read_array_len(&mut bytes).map_err(|err| eyre!("{err:?}"))?;
ensure!(key_len == 32, "encryption key is not the correct size");
let mut key = Key::default();
for i in &mut key {
*i = rmp::decode::read_int(&mut bytes).map_err(|err| eyre!("{err:?}"))?;
match Marker::from_u8(buf[0]) {
Marker::Bin8 => {
let len = decode::read_bin_len(&mut bytes).map_err(|err| eyre!("{err:?}"))?;
ensure!(len == 32, "encryption key is not the correct size");
let key = <[u8; 32]>::try_from(bytes.remaining_slice())
.context("could not decode encryption key")?;
Ok(key.into())
}
Marker::Array16 => {
let len = decode::read_array_len(&mut bytes).map_err(|err| eyre!("{err:?}"))?;
ensure!(len == 32, "encryption key is not the correct size");
let mut key = Key::default();
for i in &mut key {
*i = rmp::decode::read_int(&mut bytes).map_err(|err| eyre!("{err:?}"))?;
}
Ok(key)
}
_ => bail!("could not decode encryption key"),
}
Ok(key)
}
}
}
@ -348,4 +363,42 @@ mod test {
let h = decode(&bytes).unwrap();
assert_eq!(history, h);
}
#[test]
fn key_encodings() {
use super::{decode_key, encode_key, Key};
// a history of our key encodings.
// v11.0.0 xCAbWypb0msJ2Kq+8j4GVEWUlDX7deKnrTRSIopuqXxc5Q==
// v12.0.0 xCAbWypb0msJ2Kq+8j4GVEWUlDX7deKnrTRSIopuqXxc5Q==
// v13.0.0 xCAbWypb0msJ2Kq+8j4GVEWUlDX7deKnrTRSIopuqXxc5Q==
// v13.0.1 xCAbWypb0msJ2Kq+8j4GVEWUlDX7deKnrTRSIopuqXxc5Q==
// v14.0.0 xCAbWypb0msJ2Kq+8j4GVEWUlDX7deKnrTRSIopuqXxc5Q==
// v14.0.1 xCAbWypb0msJ2Kq+8j4GVEWUlDX7deKnrTRSIopuqXxc5Q==
// c7d89c1 3AAgG1sqW8zSawnM2MyqzL7M8j4GVEXMlMyUNcz7dczizKfMrTRSIsyKbsypfFzM5Q== (https://github.com/ellie/atuin/pull/805)
// b53ca35 3AAgG1sqW8zSawnM2MyqzL7M8j4GVEXMlMyUNcz7dczizKfMrTRSIsyKbsypfFzM5Q== (https://github.com/ellie/atuin/pull/974)
// v15.0.0 3AAgG1sqW8zSawnM2MyqzL7M8j4GVEXMlMyUNcz7dczizKfMrTRSIsyKbsypfFzM5Q==
// b8b57c8 xCAbWypb0msJ2Kq+8j4GVEWUlDX7deKnrTRSIopuqXxc5Q== (https://github.com/ellie/atuin/pull/1057)
// 8c94d79 3AAgG1sqW8zSawnM2MyqzL7M8j4GVEXMlMyUNcz7dczizKfMrTRSIsyKbsypfFzM5Q== (https://github.com/ellie/atuin/pull/1089)
let key = Key::from([
27, 91, 42, 91, 210, 107, 9, 216, 170, 190, 242, 62, 6, 84, 69, 148, 148, 53, 251, 117,
226, 167, 173, 52, 82, 34, 138, 110, 169, 124, 92, 229,
]);
assert_eq!(
encode_key(&key).unwrap(),
"3AAgG1sqW8zSawnM2MyqzL7M8j4GVEXMlMyUNcz7dczizKfMrTRSIsyKbsypfFzM5Q=="
);
// key encodings we have to support
let valid_encodings = [
"xCAbWypb0msJ2Kq+8j4GVEWUlDX7deKnrTRSIopuqXxc5Q==",
"3AAgG1sqW8zSawnM2MyqzL7M8j4GVEXMlMyUNcz7dczizKfMrTRSIsyKbsypfFzM5Q==",
];
for k in valid_encodings {
assert_eq!(decode_key(k.to_owned()).expect(k), key);
}
}
}