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swap out rust-crypto for RustCrypto libraries for key management (#1270)

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* swap out rust-crypto for RustCrypto libraries for key management

* change scrypt params unrwap to expect

* delete eth2 key derivation path file, fix error handling in eth2 keystore, pr updates
This commit is contained in:
realbigsean
2020-07-01 04:01:03 -04:00
committed by GitHub
parent 536728b975
commit 9dab928572
7 changed files with 262 additions and 813 deletions
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12
crypto/eth2_key_derivation/src/derived_key.rs
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@@ -1,7 +1,7 @@
use crate::{lamport_secret_key::LamportSecretKey, secret_bytes::SecretBytes, SecretHash};
use crypto::{digest::Digest, sha2::Sha256};
use num_bigint_dig::BigUint;
use ring::hkdf::{KeyType, Prk, Salt, HKDF_SHA256};
use sha2::{Digest, Sha256};
use zeroize::Zeroize;
/// The byte size of a SHA256 hash.
@@ -126,14 +126,16 @@ fn parent_sk_to_lamport_pk(ikm: &[u8], index: u32) -> SecretHash {
.enumerate()
.for_each(|(i, chunk)| {
let mut hasher = Sha256::new();
hasher.input(chunk);
hasher.result(&mut pk_bytes[i * HASH_SIZE..(i + 1) * HASH_SIZE]);
hasher.update(chunk);
pk_bytes[i * HASH_SIZE..(i + 1) * HASH_SIZE].copy_from_slice(&hasher.finalize());
});
let mut compressed_lamport_pk = SecretHash::zero();
let mut hasher = Sha256::new();
hasher.input(lamport_pk.as_bytes());
hasher.result(compressed_lamport_pk.as_mut_bytes());
hasher.update(lamport_pk.as_bytes());
compressed_lamport_pk
.as_mut_bytes()
.copy_from_slice(&hasher.finalize());
compressed_lamport_pk
}