mirror of
https://github.com/logos-blockchain/lssa.git
synced 2026-01-02 13:23:10 +00:00
Merge 9f753c033395fc97dc13db52675a3197aad280f1 into 9b37a2a8b78aadc48832c26efa2e73e64667bbe2
This commit is contained in:
jonesmarvin8
GitHub
commit
13c20929b8
@ -1,6 +1,8 @@
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use common::HashType;
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use k256::{Scalar, elliptic_curve::PrimeField};
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use nssa_core::encryption::IncomingViewingPublicKey;
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use nssa_core::{NullifierPublicKey, encryption::IncomingViewingPublicKey};
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use serde::{Deserialize, Serialize};
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use sha2::{Digest, digest::FixedOutput};
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use crate::key_management::{
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KeyChain,
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@ -18,7 +20,7 @@ pub struct ChildKeysPrivate {
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impl KeyNode for ChildKeysPrivate {
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fn root(seed: [u8; 64]) -> Self {
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let hash_value = hmac_sha512::HMAC::mac(seed, "NSSA_master_priv");
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let hash_value = hmac_sha512::HMAC::mac(seed, b"NSSA_master_priv");
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let ssk = SecretSpendingKey(
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*hash_value
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@ -33,7 +35,19 @@ impl KeyNode for ChildKeysPrivate {
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let isk = ssk.generate_incoming_viewing_secret_key();
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let ovk = ssk.generate_outgoing_viewing_secret_key();
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let npk = (&nsk).into();
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let npk: NullifierPublicKey = {
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let mut hasher = sha2::Sha256::new();
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hasher.update("NSSA_keys");
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hasher.update(nsk);
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hasher.update([7u8]);
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hasher.update([0u8; 22]);
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NullifierPublicKey {
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0: <HashType>::from(hasher.finalize_fixed()),
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}
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};
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let ipk = IncomingViewingPublicKey::from_scalar(isk);
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Self {
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@ -56,6 +70,7 @@ impl KeyNode for ChildKeysPrivate {
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}
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fn nth_child(&self, cci: u32) -> Self {
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// parent_pt = ovk_par + scalar(nsk_par)*isk_par
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let parent_pt = Scalar::from_repr(
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self.value
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.0
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@ -74,8 +89,8 @@ impl KeyNode for ChildKeysPrivate {
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.into(),
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)
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.expect("Key generated as scalar, must be valid representation");
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let mut input = vec![];
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let mut input = vec![];
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input.extend_from_slice(b"NSSA_seed_priv");
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input.extend_from_slice(&parent_pt.to_bytes());
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input.extend_from_slice(&cci.to_le_bytes());
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@ -91,11 +106,23 @@ impl KeyNode for ChildKeysPrivate {
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.last_chunk::<32>()
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.expect("hash_value is 64 bytes, must be safe to get last 32");
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let nsk = ssk.generate_nullifier_secret_key();
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let isk = ssk.generate_incoming_viewing_secret_key();
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let ovk = ssk.generate_outgoing_viewing_secret_key();
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let nsk = ssk.generate_child_nullifier_secret_key(cci);
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let isk = ssk.generate_child_incoming_viewing_secret_key(cci);
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let ovk = ssk.generate_child_outgoing_viewing_secret_key(cci);
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let npk: NullifierPublicKey = {
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let mut hasher = sha2::Sha256::new();
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hasher.update("NSSAchain");
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hasher.update(nsk);
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hasher.update([7u8]);
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hasher.update([0u8; 22]);
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NullifierPublicKey {
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0: <HashType>::from(hasher.finalize_fixed()),
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}
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};
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let npk = (&nsk).into();
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let ipk = IncomingViewingPublicKey::from_scalar(isk);
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Self {
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@ -144,120 +171,127 @@ impl<'a> From<&'a mut ChildKeysPrivate> for &'a mut (KeyChain, nssa::Account) {
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#[cfg(test)]
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mod tests {
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use std::process::Child;
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use k256::Secp256k1;
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use nssa_core::{NullifierSecretKey, encryption::shared_key_derivation::Secp256k1Point};
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use crate::key_management::{
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self,
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secret_holders::{IncomingViewingSecretKey, OutgoingViewingSecretKey},
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};
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use super::*;
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#[test]
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fn test_keys_deterministic_generation() {
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let root_keys = ChildKeysPrivate::root([42; 64]);
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let child_keys = root_keys.nth_child(5);
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fn test_master_key_generation() {
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let seed: [u8; 64] = [
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252, 56, 204, 83, 232, 123, 209, 188, 187, 167, 39, 213, 71, 39, 58, 65, 125, 134, 255,
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49, 43, 108, 92, 53, 173, 164, 94, 142, 150, 74, 21, 163, 43, 144, 226, 87, 199, 18,
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129, 223, 176, 198, 5, 150, 157, 70, 210, 254, 14, 105, 89, 191, 246, 27, 52, 170, 56,
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114, 39, 38, 118, 197, 205, 225,
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];
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assert_eq!(root_keys.cci, None);
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assert_eq!(child_keys.cci, Some(5));
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let keys = ChildKeysPrivate::root(seed);
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assert_eq!(
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root_keys.value.0.secret_spending_key.0,
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[
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249, 83, 253, 32, 174, 204, 185, 44, 253, 167, 61, 92, 128, 5, 152, 4, 220, 21, 88,
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84, 167, 180, 154, 249, 44, 77, 33, 136, 59, 131, 203, 152
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]
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);
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assert_eq!(
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child_keys.value.0.secret_spending_key.0,
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[
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16, 242, 229, 242, 252, 158, 153, 210, 234, 120, 70, 85, 83, 196, 5, 53, 28, 26,
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187, 230, 22, 193, 146, 232, 237, 3, 166, 184, 122, 1, 233, 93
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]
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);
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let expected_ssk: SecretSpendingKey = key_management::secret_holders::SecretSpendingKey([
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189, 102, 14, 63, 41, 116, 229, 119, 41, 59, 225, 169, 205, 21, 50, 214, 222, 67, 109,
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126, 107, 153, 57, 118, 29, 239, 79, 162, 95, 13, 197, 170,
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]);
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assert_eq!(
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root_keys.value.0.private_key_holder.nullifier_secret_key,
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[
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38, 195, 52, 182, 16, 66, 167, 156, 9, 14, 65, 100, 17, 93, 166, 71, 27, 148, 93,
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85, 116, 109, 130, 8, 195, 222, 159, 214, 141, 41, 124, 57
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]
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);
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assert_eq!(
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child_keys.value.0.private_key_holder.nullifier_secret_key,
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[
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215, 46, 2, 151, 174, 60, 86, 154, 5, 3, 175, 245, 12, 176, 220, 58, 250, 118, 236,
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49, 254, 221, 229, 58, 40, 1, 170, 145, 175, 108, 23, 170
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]
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);
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let expected_ccc = [
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5, 205, 75, 227, 45, 88, 53, 168, 99, 138, 145, 94, 195, 176, 178, 118, 213, 129, 64,
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70, 105, 60, 27, 230, 73, 86, 110, 203, 28, 60, 191, 172,
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];
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let expected_nsk: NullifierSecretKey = [
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181, 144, 216, 101, 27, 177, 89, 140, 223, 128, 200, 3, 208, 144, 250, 242, 145, 25,
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197, 107, 74, 187, 99, 58, 253, 254, 82, 16, 221, 9, 202, 99,
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];
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let expected_npk: NullifierPublicKey = nssa_core::NullifierPublicKey([
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161, 65, 163, 239, 194, 99, 30, 5, 6, 117, 116, 154, 218, 50, 72, 221, 222, 187, 36,
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25, 18, 98, 242, 140, 117, 18, 183, 150, 235, 207, 150, 205,
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]);
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let expected_isk: IncomingViewingSecretKey = [
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153, 108, 251, 220, 218, 41, 212, 54, 175, 61, 198, 247, 82, 127, 215, 160, 226, 26,
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154, 96, 41, 126, 247, 136, 206, 187, 233, 193, 47, 159, 169, 71,
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];
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let expected_ovk: OutgoingViewingSecretKey = [
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169, 133, 157, 26, 10, 196, 45, 254, 82, 146, 180, 151, 193, 152, 84, 92, 252, 249,
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166, 192, 43, 93, 79, 153, 205, 56, 208, 5, 116, 151, 252, 78,
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];
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let expected_ipk_as_bytes: [u8; 33] = [
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2, 14, 226, 128, 146, 254, 56, 61, 3, 24, 211, 151, 194, 41, 166, 67, 146, 0, 73, 4,
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140, 184, 244, 200, 43, 159, 141, 234, 90, 90, 145, 53, 251,
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];
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assert_eq!(
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root_keys
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.value
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.0
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.private_key_holder
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.incoming_viewing_secret_key,
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[
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153, 161, 15, 34, 96, 184, 165, 165, 27, 244, 155, 40, 70, 5, 241, 133, 78, 40, 61,
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118, 48, 148, 226, 5, 97, 18, 201, 128, 82, 248, 163, 72
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]
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);
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assert_eq!(
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child_keys
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.value
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.0
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.private_key_holder
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.incoming_viewing_secret_key,
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[
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192, 155, 55, 43, 164, 115, 71, 145, 227, 225, 21, 57, 55, 12, 226, 44, 10, 103,
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39, 73, 230, 173, 60, 69, 69, 122, 110, 241, 164, 3, 192, 57
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]
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);
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assert!(expected_ssk == keys.value.0.secret_spending_key);
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assert!(expected_ccc == keys.ccc);
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assert!(expected_nsk == keys.value.0.private_key_holder.nullifier_secret_key);
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assert!(expected_npk == keys.value.0.nullifer_public_key);
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assert!(expected_isk == keys.value.0.private_key_holder.incoming_viewing_secret_key);
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assert!(expected_ovk == keys.value.0.private_key_holder.outgoing_viewing_secret_key);
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assert!(expected_ipk_as_bytes == keys.value.0.incoming_viewing_public_key.to_bytes());
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}
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assert_eq!(
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root_keys
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.value
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.0
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.private_key_holder
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.outgoing_viewing_secret_key,
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[
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205, 87, 71, 129, 90, 242, 217, 200, 140, 252, 124, 46, 207, 7, 33, 156, 83, 166,
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150, 81, 98, 131, 182, 156, 110, 92, 78, 140, 125, 218, 152, 154
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]
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);
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assert_eq!(
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child_keys
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.value
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.0
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.private_key_holder
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.outgoing_viewing_secret_key,
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[
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131, 202, 219, 172, 219, 29, 48, 120, 226, 209, 209, 10, 216, 173, 48, 167, 233,
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17, 35, 155, 30, 217, 176, 120, 72, 146, 250, 226, 165, 178, 255, 90
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]
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);
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#[test]
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fn test_child_keys_generation() {
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let seed: [u8; 64] = [
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88, 189, 37, 237, 199, 125, 151, 226, 69, 153, 165, 113, 191, 69, 188, 221, 9, 34, 173,
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134, 61, 109, 34, 103, 121, 39, 237, 14, 107, 194, 24, 194, 191, 14, 237, 185, 12, 87,
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22, 227, 38, 71, 17, 144, 251, 118, 217, 115, 33, 222, 201, 61, 203, 246, 121, 214, 6,
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187, 148, 92, 44, 253, 210, 37,
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];
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assert_eq!(
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root_keys.value.0.nullifer_public_key.0,
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[
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65, 176, 149, 243, 192, 45, 216, 177, 169, 56, 229, 7, 28, 66, 204, 87, 109, 83,
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152, 64, 14, 188, 179, 210, 147, 60, 22, 251, 203, 70, 89, 215
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]
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);
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assert_eq!(
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child_keys.value.0.nullifer_public_key.0,
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[
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69, 104, 130, 115, 48, 134, 19, 188, 67, 148, 163, 54, 155, 237, 57, 27, 136, 228,
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111, 233, 205, 158, 149, 31, 84, 11, 241, 176, 243, 12, 138, 249
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]
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);
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let root_node = ChildKeysPrivate::root(seed);
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let child_node = ChildKeysPrivate::nth_child(&root_node, 42u32);
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assert_eq!(
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root_keys.value.0.incoming_viewing_public_key.0,
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&[
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3, 174, 56, 136, 244, 179, 18, 122, 38, 220, 36, 50, 200, 41, 104, 167, 70, 18, 60,
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202, 93, 193, 29, 16, 125, 252, 96, 51, 199, 152, 47, 233, 178
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]
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let expected_ccc: [u8; 32] = [
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131, 6, 100, 230, 202, 63, 5, 206, 158, 3, 81, 177, 221, 107, 27, 194, 192, 38, 104,
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87, 23, 98, 107, 1, 78, 19, 216, 195, 63, 66, 13, 172,
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];
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let expected_nsk: NullifierSecretKey = [
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118, 91, 48, 86, 184, 103, 178, 151, 169, 126, 198, 254, 177, 130, 48, 175, 250, 255,
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19, 89, 122, 133, 216, 80, 101, 155, 243, 186, 104, 161, 35, 208,
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];
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let expected_npk: NullifierPublicKey = nssa_core::NullifierPublicKey([
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122, 13, 105, 25, 155, 46, 105, 20, 93, 112, 97, 78, 198, 186, 227, 74, 13, 213, 135,
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215, 254, 96, 115, 228, 137, 139, 35, 73, 67, 123, 48, 48,
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]);
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let expected_isk: IncomingViewingSecretKey = [
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38, 172, 52, 226, 190, 69, 120, 123, 231, 65, 88, 97, 125, 56, 120, 225, 253, 198, 133,
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145, 84, 118, 182, 80, 188, 210, 146, 91, 197, 48, 39, 36,
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];
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let expected_ovk: OutgoingViewingSecretKey = [
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105, 26, 128, 5, 91, 183, 81, 224, 125, 217, 93, 173, 162, 129, 46, 85, 164, 215, 169,
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236, 202, 12, 49, 31, 199, 130, 108, 159, 68, 196, 58, 96,
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];
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let expected_ipk_as_bytes: [u8; 33] = [
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2, 249, 186, 99, 214, 150, 242, 196, 122, 68, 237, 126, 129, 14, 189, 238, 132, 31,
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228, 94, 224, 25, 248, 77, 250, 198, 122, 24, 232, 38, 147, 225, 158,
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];
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assert!(expected_ccc == child_node.ccc);
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assert!(expected_nsk == child_node.value.0.private_key_holder.nullifier_secret_key);
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assert!(expected_npk == child_node.value.0.nullifer_public_key);
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assert!(
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expected_isk
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== child_node
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.value
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.0
|
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.private_key_holder
|
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.incoming_viewing_secret_key
|
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);
|
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assert_eq!(
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child_keys.value.0.incoming_viewing_public_key.0,
|
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&[
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3, 18, 202, 246, 79, 141, 169, 51, 55, 202, 120, 169, 244, 201, 156, 162, 216, 115,
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126, 53, 46, 94, 235, 125, 114, 178, 215, 81, 171, 93, 93, 88, 117
|
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]
|
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assert!(expected_ipk_as_bytes == child_node.value.0.incoming_viewing_public_key.to_bytes());
|
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assert!(
|
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expected_ovk
|
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== child_node
|
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.value
|
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.0
|
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.private_key_holder
|
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.outgoing_viewing_secret_key
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
@ -18,7 +18,7 @@ pub struct SeedHolder {
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||||
pub(crate) seed: Vec<u8>,
|
||||
}
|
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|
||||
#[derive(Serialize, Deserialize, Debug, Clone)]
|
||||
#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
|
||||
/// Secret spending key object. Can produce `PrivateKeyHolder` objects.
|
||||
pub struct SecretSpendingKey(pub(crate) [u8; 32]);
|
||||
|
||||
@ -115,11 +115,74 @@ impl SecretSpendingKey {
|
||||
outgoing_viewing_secret_key: self.generate_outgoing_viewing_secret_key(),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn generate_child_nullifier_secret_key(&self, cci: u32) -> NullifierSecretKey {
|
||||
let mut key = vec![];
|
||||
key.extend_from_slice(b"NSSAchain");
|
||||
|
||||
let mut input = vec![];
|
||||
|
||||
input.extend_from_slice(&self.0);
|
||||
input.extend_from_slice(&[1u8]);
|
||||
input.extend_from_slice(&cci.to_le_bytes());
|
||||
input.extend_from_slice(&[0u8; 22]);
|
||||
|
||||
let hash_value = hmac_sha512::HMAC::mac(input, key);
|
||||
|
||||
*hash_value
|
||||
.first_chunk::<32>()
|
||||
.expect("hash_value is 64 bytes, must be safe to get first 32")
|
||||
}
|
||||
|
||||
pub fn generate_child_incoming_viewing_secret_key(&self, cci: u32) -> IncomingViewingSecretKey {
|
||||
let mut key = vec![];
|
||||
key.extend_from_slice(b"NSSAchain");
|
||||
|
||||
let mut input = vec![];
|
||||
|
||||
input.extend_from_slice(&self.0);
|
||||
input.extend_from_slice(&[2u8]);
|
||||
input.extend_from_slice(&cci.to_le_bytes());
|
||||
input.extend_from_slice(&[0u8; 22]);
|
||||
|
||||
let hash_value = hmac_sha512::HMAC::mac(input, key);
|
||||
|
||||
*hash_value
|
||||
.first_chunk::<32>()
|
||||
.expect("hash_value is 64 bytes, must be safe to get first 32")
|
||||
}
|
||||
|
||||
pub fn generate_child_outgoing_viewing_secret_key(&self, cci: u32) -> OutgoingViewingSecretKey {
|
||||
let mut key = vec![];
|
||||
key.extend_from_slice(b"NSSAchain");
|
||||
|
||||
let mut input = vec![];
|
||||
|
||||
input.extend_from_slice(&self.0);
|
||||
input.extend_from_slice(&[3u8]);
|
||||
input.extend_from_slice(&cci.to_le_bytes());
|
||||
input.extend_from_slice(&[0u8; 22]);
|
||||
|
||||
let hash_value = hmac_sha512::HMAC::mac(input, key);
|
||||
|
||||
*hash_value
|
||||
.first_chunk::<32>()
|
||||
.expect("hash_value is 64 bytes, must be safe to get first 32")
|
||||
}
|
||||
}
|
||||
|
||||
impl PrivateKeyHolder {
|
||||
pub fn generate_nullifier_public_key(&self) -> NullifierPublicKey {
|
||||
(&self.nullifier_secret_key).into()
|
||||
let mut hasher = sha2::Sha256::new();
|
||||
|
||||
hasher.update("NSSA_keys");
|
||||
hasher.update(self.nullifier_secret_key);
|
||||
hasher.update([7u8]);
|
||||
hasher.update([0u8; 22]);
|
||||
|
||||
NullifierPublicKey {
|
||||
0: <HashType>::from(hasher.finalize_fixed()),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn generate_incoming_viewing_public_key(&self) -> IncomingViewingPublicKey {
|
||||
@ -131,13 +194,6 @@ impl PrivateKeyHolder {
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn seed_generation_test() {
|
||||
let seed_holder = SeedHolder::new_os_random();
|
||||
|
||||
assert_eq!(seed_holder.seed.len(), 64);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn ssk_generation_test() {
|
||||
let seed_holder = SeedHolder::new_os_random();
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user