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Ledger key path rework (#8453) (#8457)

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automerge
This commit is contained in:
mergify[bot]
2020-02-25 18:00:53 -08:00
committed by GitHub
parent 8f5928b7c7
commit cc3352ff06
7 changed files with 186 additions and 67 deletions
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10
remote-wallet/src/ledger.rs
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@@ -7,6 +7,8 @@ use semver::Version as FirmwareVersion;
use solana_sdk::{pubkey::Pubkey, signature::Signature};
use std::{cmp::min, fmt, sync::Arc};
const HARDENED_BIT: u32 = 1 << 31;
const APDU_TAG: u8 = 0x05;
const APDU_CLA: u8 = 0xe0;
const APDU_PAYLOAD_HEADER_LEN: usize = 8;
@@ -373,11 +375,11 @@ fn extend_and_serialize(derivation_path: &DerivationPath) -> Vec<u8> {
let mut concat_derivation = vec![byte];
concat_derivation.extend_from_slice(&SOL_DERIVATION_PATH_BE);
if let Some(account) = derivation_path.account {
concat_derivation.extend_from_slice(&[0x80, 0]);
concat_derivation.extend_from_slice(&account.to_be_bytes());
let hardened_account = account | HARDENED_BIT;
concat_derivation.extend_from_slice(&hardened_account.to_be_bytes());
if let Some(change) = derivation_path.change {
concat_derivation.extend_from_slice(&[0x80, 0]);
concat_derivation.extend_from_slice(&change.to_be_bytes());
let hardened_change = change | HARDENED_BIT;
concat_derivation.extend_from_slice(&hardened_change.to_be_bytes());
}
}
concat_derivation