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keyfork-shard: add in bug messages

This commit is contained in:
Ryan Heywood 2024-04-14 23:15:35 -04:00
parent 78311fe8c2
commit 628c98a2fe
Signed by: ryan
GPG Key ID: 8E401478A3FBEF72
1 changed files with 20 additions and 5 deletions
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25
crates/keyfork-shard/src/lib.rs
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@ -10,6 +10,7 @@ use aes_gcm::{
aead::{consts::U12, Aead},
Aes256Gcm, KeyInit, Nonce,
};
use base64::prelude::{Engine, BASE64_STANDARD};
use hkdf::Hkdf;
use keyfork_bug::{bug, POISONED_MUTEX};
use keyfork_mnemonic_util::{English, Mnemonic};
@ -23,7 +24,6 @@ use keyfork_prompt::{
use sha2::Sha256;
use sharks::{Share, Sharks};
use x25519_dalek::{EphemeralSecret, PublicKey};
use base64::prelude::{BASE64_STANDARD, Engine};
// 32-byte share, 1-byte index, 1-byte threshold, 1-byte version == 36 bytes
// Encrypted, is 52 bytes
@ -212,7 +212,9 @@ pub trait Format {
if let Ok(Some(qrcode_content)) =
keyfork_qrcode::scan_camera(std::time::Duration::from_secs(30), 0)
{
let decoded_data = BASE64_STANDARD.decode(qrcode_content).unwrap();
let decoded_data = BASE64_STANDARD
.decode(qrcode_content)
.expect(bug!("qrcode should contain base64 encoded data"));
pubkey_data = Some(decoded_data.try_into().map_err(|_| InvalidData)?)
} else {
prompt
@ -300,7 +302,10 @@ pub trait Format {
use keyfork_qrcode::{qrencode, ErrorCorrection};
let mut qrcode_data = our_pubkey_mnemonic.to_bytes();
qrcode_data.extend(payload_mnemonic.as_bytes());
if let Ok(qrcode) = qrencode(&BASE64_STANDARD.encode(qrcode_data), ErrorCorrection::Highest) {
if let Ok(qrcode) = qrencode(
&BASE64_STANDARD.encode(qrcode_data),
ErrorCorrection::Highest,
) {
prompt
.lock()
.expect(bug!(POISONED_MUTEX))
@ -433,7 +438,10 @@ pub fn remote_decrypt(w: &mut impl Write) -> Result<(), Box<dyn std::error::Erro
{
use keyfork_qrcode::{qrencode, ErrorCorrection};
let qrcode_data = key_mnemonic.to_bytes();
if let Ok(qrcode) = qrencode(&BASE64_STANDARD.encode(qrcode_data), ErrorCorrection::Highest) {
if let Ok(qrcode) = qrencode(
&BASE64_STANDARD.encode(qrcode_data),
ErrorCorrection::Highest,
) {
pm.prompt_message(PromptMessage::Text(format!(
concat!(
"A QR code will be displayed after this prompt. ",
@ -464,7 +472,14 @@ pub fn remote_decrypt(w: &mut impl Write) -> Result<(), Box<dyn std::error::Erro
if let Ok(Some(qrcode_content)) =
keyfork_qrcode::scan_camera(std::time::Duration::from_secs(QRCODE_TIMEOUT), 0)
{
let decoded_data = BASE64_STANDARD.decode(qrcode_content).unwrap();
let decoded_data = BASE64_STANDARD
.decode(qrcode_content)
.expect(bug!("qrcode should contain base64 encoded data"));
assert_eq!(
decoded_data.len(),
ENCRYPTED_LENGTH as usize,
bug!("invalid payload data")
);
let _ = pubkey_data.insert(decoded_data[..32].try_into().map_err(|_| InvalidData)?);
let _ = payload_data.insert(decoded_data[32..].to_vec());
} else {