1232 lines
50 KiB
Rust
1232 lines
50 KiB
Rust
extern crate aes;
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extern crate blake2_rfc;
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extern crate byteorder;
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extern crate fpe;
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#[macro_use]
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extern crate lazy_static;
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extern crate pairing;
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extern crate sapling_crypto;
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use aes::Aes256;
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use blake2_rfc::blake2b::{Blake2b, Blake2bResult};
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use byteorder::{ByteOrder, LittleEndian, ReadBytesExt, WriteBytesExt};
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use fpe::ff1::{BinaryNumeralString, FF1};
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use pairing::{bls12_381::Bls12, Field, PrimeField, PrimeFieldRepr};
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use sapling_crypto::{
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jubjub::{
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edwards, FixedGenerators, JubjubBls12, JubjubEngine, JubjubParams, ToUniform, Unknown,
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},
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primitives::{Diversifier, PaymentAddress, ViewingKey},
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};
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use std::io::{self, Read, Write};
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lazy_static! {
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static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
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}
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pub const PRF_EXPAND_PERSONALIZATION: &'static [u8; 16] = b"Zcash_ExpandSeed";
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pub const ZIP32_SAPLING_MASTER_PERSONALIZATION: &'static [u8; 16] = b"ZcashIP32Sapling";
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pub const ZIP32_SAPLING_FVFP_PERSONALIZATION: &'static [u8; 16] = b"ZcashSaplingFVFP";
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// Sapling key components
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/// PRF^expand(sk, t) := BLAKE2b-512("Zcash_ExpandSeed", sk || t)
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fn prf_expand(sk: &[u8], t: &[u8]) -> Blake2bResult {
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prf_expand_vec(sk, &vec![t])
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}
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fn prf_expand_vec(sk: &[u8], ts: &[&[u8]]) -> Blake2bResult {
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let mut h = Blake2b::with_params(64, &[], &[], PRF_EXPAND_PERSONALIZATION);
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h.update(sk);
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for t in ts {
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h.update(t);
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}
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h.finalize()
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}
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/// An outgoing viewing key
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#[derive(Clone, Copy, PartialEq)]
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struct OutgoingViewingKey([u8; 32]);
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impl OutgoingViewingKey {
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fn derive_child(&self, i_l: &[u8]) -> Self {
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let mut ovk = [0u8; 32];
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ovk.copy_from_slice(&prf_expand_vec(i_l, &[&[0x15], &self.0]).as_bytes()[..32]);
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OutgoingViewingKey(ovk)
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}
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}
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/// A Sapling expanded spending key
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#[derive(Clone)]
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pub struct ExpandedSpendingKey<E: JubjubEngine> {
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ask: E::Fs,
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nsk: E::Fs,
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ovk: OutgoingViewingKey,
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}
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/// A Sapling full viewing key
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pub struct FullViewingKey<E: JubjubEngine> {
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vk: ViewingKey<E>,
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ovk: OutgoingViewingKey,
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}
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impl<E: JubjubEngine> ExpandedSpendingKey<E> {
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fn from_spending_key(sk: &[u8]) -> Self {
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let ask = E::Fs::to_uniform(prf_expand(sk, &[0x00]).as_bytes());
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let nsk = E::Fs::to_uniform(prf_expand(sk, &[0x01]).as_bytes());
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let mut ovk = OutgoingViewingKey([0u8; 32]);
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ovk.0
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.copy_from_slice(&prf_expand(sk, &[0x02]).as_bytes()[..32]);
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ExpandedSpendingKey { ask, nsk, ovk }
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}
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fn derive_child(&self, i_l: &[u8]) -> Self {
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let mut ask = E::Fs::to_uniform(prf_expand(i_l, &[0x13]).as_bytes());
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let mut nsk = E::Fs::to_uniform(prf_expand(i_l, &[0x14]).as_bytes());
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ask.add_assign(&self.ask);
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nsk.add_assign(&self.nsk);
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let ovk = self.ovk.derive_child(i_l);
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ExpandedSpendingKey { ask, nsk, ovk }
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}
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pub fn read<R: Read>(mut reader: R) -> io::Result<Self> {
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let mut ask_repr = <E::Fs as PrimeField>::Repr::default();
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ask_repr.read_le(&mut reader)?;
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let ask =
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E::Fs::from_repr(ask_repr).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
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let mut nsk_repr = <E::Fs as PrimeField>::Repr::default();
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nsk_repr.read_le(&mut reader)?;
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let nsk =
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E::Fs::from_repr(nsk_repr).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
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let mut ovk = [0; 32];
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reader.read_exact(&mut ovk)?;
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Ok(ExpandedSpendingKey {
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ask,
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nsk,
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ovk: OutgoingViewingKey(ovk),
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})
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}
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pub fn write<W: Write>(&self, mut writer: W) -> io::Result<()> {
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self.ask.into_repr().write_le(&mut writer)?;
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self.nsk.into_repr().write_le(&mut writer)?;
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writer.write_all(&self.ovk.0)?;
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Ok(())
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}
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fn to_bytes(&self) -> [u8; 96] {
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let mut result = [0u8; 96];
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self.write(&mut result[..])
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.expect("should be able to serialize an ExpandedSpendingKey");
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result
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}
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}
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impl<E: JubjubEngine> FullViewingKey<E> {
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fn from_expanded_spending_key(expsk: &ExpandedSpendingKey<E>, params: &E::Params) -> Self {
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FullViewingKey {
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vk: ViewingKey {
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ak: params
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.generator(FixedGenerators::SpendingKeyGenerator)
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.mul(expsk.ask, params),
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nk: params
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.generator(FixedGenerators::ProofGenerationKey)
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.mul(expsk.nsk, params),
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},
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ovk: expsk.ovk,
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}
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}
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fn derive_child(&self, i_l: &[u8], params: &E::Params) -> Self {
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let i_ask = E::Fs::to_uniform(prf_expand(i_l, &[0x13]).as_bytes());
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let i_nsk = E::Fs::to_uniform(prf_expand(i_l, &[0x14]).as_bytes());
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let ak = params
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.generator(FixedGenerators::SpendingKeyGenerator)
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.mul(i_ask, params)
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.add(&self.vk.ak, params);
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let nk = params
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.generator(FixedGenerators::ProofGenerationKey)
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.mul(i_nsk, params)
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.add(&self.vk.nk, params);
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FullViewingKey {
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vk: ViewingKey { ak, nk },
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ovk: self.ovk.derive_child(i_l),
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}
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}
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pub fn read<R: Read>(mut reader: R, params: &E::Params) -> io::Result<Self> {
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let ak = edwards::Point::<E, Unknown>::read(&mut reader, params)?;
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let ak = match ak.as_prime_order(params) {
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Some(p) => p,
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None => {
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return Err(io::Error::new(
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io::ErrorKind::InvalidData,
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"ak not of prime order",
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))
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}
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};
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let nk = edwards::Point::<E, Unknown>::read(&mut reader, params)?;
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let nk = match nk.as_prime_order(params) {
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Some(p) => p,
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None => {
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return Err(io::Error::new(
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io::ErrorKind::InvalidData,
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"nk not of prime order",
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))
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}
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};
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let mut ovk = [0; 32];
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reader.read_exact(&mut ovk)?;
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Ok(FullViewingKey {
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vk: ViewingKey { ak, nk },
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ovk: OutgoingViewingKey(ovk),
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})
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}
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pub fn write<W: Write>(&self, mut writer: W) -> io::Result<()> {
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self.vk.ak.write(&mut writer)?;
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self.vk.nk.write(&mut writer)?;
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writer.write_all(&self.ovk.0)?;
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Ok(())
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}
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fn to_bytes(&self) -> [u8; 96] {
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let mut result = [0u8; 96];
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self.write(&mut result[..])
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.expect("should be able to serialize a FullViewingKey");
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result
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}
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fn fingerprint(&self) -> FVKFingerprint {
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let mut h = Blake2b::with_params(32, &[], &[], ZIP32_SAPLING_FVFP_PERSONALIZATION);
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h.update(&self.to_bytes());
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let mut fvfp = [0u8; 32];
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fvfp.copy_from_slice(h.finalize().as_bytes());
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FVKFingerprint(fvfp)
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}
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}
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// ZIP 32 structures
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/// A Sapling full viewing key fingerprint
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struct FVKFingerprint([u8; 32]);
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/// A Sapling full viewing key tag
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#[derive(Clone, Copy, Debug, PartialEq)]
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struct FVKTag([u8; 4]);
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impl FVKFingerprint {
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fn tag(&self) -> FVKTag {
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let mut tag = [0u8; 4];
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tag.copy_from_slice(&self.0[..4]);
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FVKTag(tag)
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}
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}
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impl FVKTag {
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fn master() -> Self {
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FVKTag([0u8; 4])
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}
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}
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/// A child index for a derived key
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#[derive(Clone, Copy, Debug, PartialEq)]
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pub enum ChildIndex {
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NonHardened(u32),
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Hardened(u32), // Hardened(n) == n + (1 << 31) == n' in path notation
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}
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impl ChildIndex {
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pub fn from_index(i: u32) -> Self {
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match i {
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n if n >= (1 << 31) => ChildIndex::Hardened(n - (1 << 31)),
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n => ChildIndex::NonHardened(n),
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}
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}
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fn master() -> Self {
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ChildIndex::from_index(0)
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}
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fn to_index(&self) -> u32 {
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match self {
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&ChildIndex::Hardened(i) => i + (1 << 31),
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&ChildIndex::NonHardened(i) => i,
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}
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}
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}
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/// A chain code
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#[derive(Clone, Copy, Debug, PartialEq)]
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struct ChainCode([u8; 32]);
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#[derive(Clone, Copy, Debug, PartialEq)]
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pub struct DiversifierIndex(pub [u8; 11]);
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impl DiversifierIndex {
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fn new() -> Self {
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DiversifierIndex([0; 11])
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}
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pub fn increment(&mut self) -> Result<(), ()> {
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for k in 0..11 {
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self.0[k] = self.0[k].wrapping_add(1);
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if self.0[k] != 0 {
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// No overflow
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return Ok(());
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}
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}
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// Overflow
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Err(())
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}
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}
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/// A key used to derive diversifiers for a particular child key
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#[derive(Clone, Copy, Debug, PartialEq)]
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struct DiversifierKey([u8; 32]);
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impl DiversifierKey {
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fn master(sk_m: &[u8]) -> Self {
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let mut dk_m = [0u8; 32];
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dk_m.copy_from_slice(&prf_expand(sk_m, &[0x10]).as_bytes()[..32]);
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DiversifierKey(dk_m)
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}
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fn derive_child(&self, i_l: &[u8]) -> Self {
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let mut dk = [0u8; 32];
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dk.copy_from_slice(&prf_expand_vec(i_l, &[&[0x16], &self.0]).as_bytes()[..32]);
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DiversifierKey(dk)
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}
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/// Returns the first index starting from j that generates a valid
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/// diversifier, along with the corresponding diversifier. Returns
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/// an error if the diversifier space is exhausted.
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fn diversifier(&self, mut j: DiversifierIndex) -> Result<(DiversifierIndex, Diversifier), ()> {
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let ff = FF1::<Aes256>::new(&self.0, 2).unwrap();
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loop {
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// Generate d_j
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let enc = ff
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.encrypt(&[], &BinaryNumeralString::from_bytes_le(&j.0[..]))
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.unwrap();
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let mut d_j = [0; 11];
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d_j.copy_from_slice(&enc.to_bytes_le());
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let d_j = Diversifier(d_j);
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// Return (j, d_j) if valid, else increment j and try again
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match d_j.g_d::<Bls12>(&JUBJUB) {
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Some(_) => return Ok((j, d_j)),
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None => if j.increment().is_err() {
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return Err(());
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},
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}
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}
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}
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}
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/// A Sapling extended spending key
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#[derive(Clone)]
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pub struct ExtendedSpendingKey {
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depth: u8,
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parent_fvk_tag: FVKTag,
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child_index: ChildIndex,
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chain_code: ChainCode,
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pub expsk: ExpandedSpendingKey<Bls12>,
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dk: DiversifierKey,
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}
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// A Sapling extended full viewing key
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pub struct ExtendedFullViewingKey {
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depth: u8,
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parent_fvk_tag: FVKTag,
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child_index: ChildIndex,
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chain_code: ChainCode,
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pub fvk: FullViewingKey<Bls12>,
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dk: DiversifierKey,
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}
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impl std::cmp::PartialEq for ExtendedSpendingKey {
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fn eq(&self, rhs: &ExtendedSpendingKey) -> bool {
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self.depth == rhs.depth
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&& self.parent_fvk_tag == rhs.parent_fvk_tag
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&& self.child_index == rhs.child_index
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&& self.chain_code == rhs.chain_code
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&& self.expsk.ask == rhs.expsk.ask
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&& self.expsk.nsk == rhs.expsk.nsk
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&& self.expsk.ovk == rhs.expsk.ovk
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&& self.dk == rhs.dk
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}
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}
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impl std::fmt::Debug for ExtendedSpendingKey {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
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write!(
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f,
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"ExtendedSpendingKey(d = {}, tag_p = {:?}, i = {:?})",
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self.depth, self.parent_fvk_tag, self.child_index
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)
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}
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}
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impl std::cmp::PartialEq for ExtendedFullViewingKey {
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fn eq(&self, rhs: &ExtendedFullViewingKey) -> bool {
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self.depth == rhs.depth
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&& self.parent_fvk_tag == rhs.parent_fvk_tag
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&& self.child_index == rhs.child_index
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&& self.chain_code == rhs.chain_code
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&& self.fvk.vk.ak == rhs.fvk.vk.ak
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&& self.fvk.vk.nk == rhs.fvk.vk.nk
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&& self.fvk.ovk == rhs.fvk.ovk
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&& self.dk == rhs.dk
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}
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}
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impl std::fmt::Debug for ExtendedFullViewingKey {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
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write!(
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f,
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"ExtendedFullViewingKey(d = {}, tag_p = {:?}, i = {:?})",
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self.depth, self.parent_fvk_tag, self.child_index
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)
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}
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}
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impl ExtendedSpendingKey {
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pub fn master(seed: &[u8]) -> Self {
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let mut h = Blake2b::with_params(64, &[], &[], ZIP32_SAPLING_MASTER_PERSONALIZATION);
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h.update(seed);
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let i = h.finalize();
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let sk_m = &i.as_bytes()[..32];
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let mut c_m = [0u8; 32];
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c_m.copy_from_slice(&i.as_bytes()[32..]);
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ExtendedSpendingKey {
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depth: 0,
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parent_fvk_tag: FVKTag::master(),
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child_index: ChildIndex::master(),
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chain_code: ChainCode(c_m),
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expsk: ExpandedSpendingKey::from_spending_key(sk_m),
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dk: DiversifierKey::master(sk_m),
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}
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}
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pub fn read<R: Read>(mut reader: R) -> io::Result<Self> {
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let depth = reader.read_u8()?;
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let mut tag = [0; 4];
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reader.read_exact(&mut tag)?;
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let i = reader.read_u32::<LittleEndian>()?;
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let mut c = [0; 32];
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reader.read_exact(&mut c)?;
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let expsk = ExpandedSpendingKey::read(&mut reader)?;
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let mut dk = [0; 32];
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reader.read_exact(&mut dk)?;
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Ok(ExtendedSpendingKey {
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depth,
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parent_fvk_tag: FVKTag(tag),
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child_index: ChildIndex::from_index(i),
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chain_code: ChainCode(c),
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expsk,
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dk: DiversifierKey(dk),
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})
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}
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pub fn write<W: Write>(&self, mut writer: W) -> io::Result<()> {
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writer.write_u8(self.depth)?;
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writer.write_all(&self.parent_fvk_tag.0)?;
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writer.write_u32::<LittleEndian>(self.child_index.to_index())?;
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writer.write_all(&self.chain_code.0)?;
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writer.write_all(&self.expsk.to_bytes())?;
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writer.write_all(&self.dk.0)?;
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Ok(())
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}
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|
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/// Returns the child key corresponding to the path derived from the master key
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pub fn from_path(master: &ExtendedSpendingKey, path: &[ChildIndex]) -> Self {
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let mut xsk = master.clone();
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for &i in path.iter() {
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xsk = xsk.derive_child(i);
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}
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xsk
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}
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pub fn derive_child(&self, i: ChildIndex) -> Self {
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let fvk = FullViewingKey::from_expanded_spending_key(&self.expsk, &JUBJUB);
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let tmp = match i {
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ChildIndex::Hardened(i) => {
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let mut le_i = [0; 4];
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LittleEndian::write_u32(&mut le_i, i + (1 << 31));
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prf_expand_vec(
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&self.chain_code.0,
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&[&[0x11], &self.expsk.to_bytes(), &self.dk.0, &le_i],
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)
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}
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ChildIndex::NonHardened(i) => {
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let mut le_i = [0; 4];
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LittleEndian::write_u32(&mut le_i, i);
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prf_expand_vec(
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&self.chain_code.0,
|
|
&[&[0x12], &fvk.to_bytes(), &self.dk.0, &le_i],
|
|
)
|
|
}
|
|
};
|
|
let i_l = &tmp.as_bytes()[..32];
|
|
let mut c_i = [0u8; 32];
|
|
c_i.copy_from_slice(&tmp.as_bytes()[32..]);
|
|
|
|
ExtendedSpendingKey {
|
|
depth: self.depth + 1,
|
|
parent_fvk_tag: fvk.fingerprint().tag(),
|
|
child_index: i,
|
|
chain_code: ChainCode(c_i),
|
|
expsk: self.expsk.derive_child(i_l),
|
|
dk: self.dk.derive_child(i_l),
|
|
}
|
|
}
|
|
|
|
pub fn default_address(&self) -> Result<(DiversifierIndex, PaymentAddress<Bls12>), ()> {
|
|
ExtendedFullViewingKey::from(self).default_address()
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a ExtendedSpendingKey> for ExtendedFullViewingKey {
|
|
fn from(xsk: &ExtendedSpendingKey) -> Self {
|
|
ExtendedFullViewingKey {
|
|
depth: xsk.depth,
|
|
parent_fvk_tag: xsk.parent_fvk_tag,
|
|
child_index: xsk.child_index,
|
|
chain_code: xsk.chain_code,
|
|
fvk: FullViewingKey::from_expanded_spending_key(&xsk.expsk, &JUBJUB),
|
|
dk: xsk.dk,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl ExtendedFullViewingKey {
|
|
pub fn read<R: Read>(mut reader: R) -> io::Result<Self> {
|
|
let depth = reader.read_u8()?;
|
|
let mut tag = [0; 4];
|
|
reader.read_exact(&mut tag)?;
|
|
let i = reader.read_u32::<LittleEndian>()?;
|
|
let mut c = [0; 32];
|
|
reader.read_exact(&mut c)?;
|
|
let fvk = FullViewingKey::read(&mut reader, &*JUBJUB)?;
|
|
let mut dk = [0; 32];
|
|
reader.read_exact(&mut dk)?;
|
|
|
|
Ok(ExtendedFullViewingKey {
|
|
depth,
|
|
parent_fvk_tag: FVKTag(tag),
|
|
child_index: ChildIndex::from_index(i),
|
|
chain_code: ChainCode(c),
|
|
fvk,
|
|
dk: DiversifierKey(dk),
|
|
})
|
|
}
|
|
|
|
pub fn write<W: Write>(&self, mut writer: W) -> io::Result<()> {
|
|
writer.write_u8(self.depth)?;
|
|
writer.write_all(&self.parent_fvk_tag.0)?;
|
|
writer.write_u32::<LittleEndian>(self.child_index.to_index())?;
|
|
writer.write_all(&self.chain_code.0)?;
|
|
writer.write_all(&self.fvk.to_bytes())?;
|
|
writer.write_all(&self.dk.0)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
pub fn derive_child(&self, i: ChildIndex) -> Result<Self, ()> {
|
|
let tmp = match i {
|
|
ChildIndex::Hardened(_) => return Err(()),
|
|
ChildIndex::NonHardened(i) => {
|
|
let mut le_i = [0; 4];
|
|
LittleEndian::write_u32(&mut le_i, i);
|
|
prf_expand_vec(
|
|
&self.chain_code.0,
|
|
&[&[0x12], &self.fvk.to_bytes(), &self.dk.0, &le_i],
|
|
)
|
|
}
|
|
};
|
|
let i_l = &tmp.as_bytes()[..32];
|
|
let mut c_i = [0u8; 32];
|
|
c_i.copy_from_slice(&tmp.as_bytes()[32..]);
|
|
|
|
Ok(ExtendedFullViewingKey {
|
|
depth: self.depth + 1,
|
|
parent_fvk_tag: self.fvk.fingerprint().tag(),
|
|
child_index: i,
|
|
chain_code: ChainCode(c_i),
|
|
fvk: self.fvk.derive_child(i_l, &JUBJUB),
|
|
dk: self.dk.derive_child(i_l),
|
|
})
|
|
}
|
|
|
|
pub fn address(
|
|
&self,
|
|
j: DiversifierIndex,
|
|
) -> Result<(DiversifierIndex, PaymentAddress<Bls12>), ()> {
|
|
let (j, d_j) = match self.dk.diversifier(j) {
|
|
Ok(ret) => ret,
|
|
Err(()) => return Err(()),
|
|
};
|
|
match self.fvk.vk.into_payment_address(d_j, &JUBJUB) {
|
|
Some(addr) => Ok((j, addr)),
|
|
None => Err(()),
|
|
}
|
|
}
|
|
|
|
pub fn default_address(&self) -> Result<(DiversifierIndex, PaymentAddress<Bls12>), ()> {
|
|
self.address(DiversifierIndex::new())
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn derive_nonhardened_child() {
|
|
let seed = [0; 32];
|
|
let xsk_m = ExtendedSpendingKey::master(&seed);
|
|
let xfvk_m = ExtendedFullViewingKey::from(&xsk_m);
|
|
|
|
let i_5 = ChildIndex::NonHardened(5);
|
|
let xsk_5 = xsk_m.derive_child(i_5);
|
|
let xfvk_5 = xfvk_m.derive_child(i_5);
|
|
|
|
assert!(xfvk_5.is_ok());
|
|
assert_eq!(ExtendedFullViewingKey::from(&xsk_5), xfvk_5.unwrap());
|
|
}
|
|
|
|
#[test]
|
|
fn derive_hardened_child() {
|
|
let seed = [0; 32];
|
|
let xsk_m = ExtendedSpendingKey::master(&seed);
|
|
let xfvk_m = ExtendedFullViewingKey::from(&xsk_m);
|
|
|
|
let i_5h = ChildIndex::Hardened(5);
|
|
let xsk_5h = xsk_m.derive_child(i_5h);
|
|
let xfvk_5h = xfvk_m.derive_child(i_5h);
|
|
|
|
// Cannot derive a hardened child from an ExtendedFullViewingKey
|
|
assert!(xfvk_5h.is_err());
|
|
let xfvk_5h = ExtendedFullViewingKey::from(&xsk_5h);
|
|
|
|
let i_7 = ChildIndex::NonHardened(7);
|
|
let xsk_5h_7 = xsk_5h.derive_child(i_7);
|
|
let xfvk_5h_7 = xfvk_5h.derive_child(i_7);
|
|
|
|
// But we *can* derive a non-hardened child from a hardened parent
|
|
assert!(xfvk_5h_7.is_ok());
|
|
assert_eq!(ExtendedFullViewingKey::from(&xsk_5h_7), xfvk_5h_7.unwrap());
|
|
}
|
|
|
|
#[test]
|
|
fn path() {
|
|
let seed = [0; 32];
|
|
let xsk_m = ExtendedSpendingKey::master(&seed);
|
|
|
|
let xsk_5h = xsk_m.derive_child(ChildIndex::Hardened(5));
|
|
assert_eq!(
|
|
ExtendedSpendingKey::from_path(&xsk_m, &[ChildIndex::Hardened(5)]),
|
|
xsk_5h
|
|
);
|
|
|
|
let xsk_5h_7 = xsk_5h.derive_child(ChildIndex::NonHardened(7));
|
|
assert_eq!(
|
|
ExtendedSpendingKey::from_path(
|
|
&xsk_m,
|
|
&[ChildIndex::Hardened(5), ChildIndex::NonHardened(7)]
|
|
),
|
|
xsk_5h_7
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn diversifier() {
|
|
let dk = DiversifierKey([0; 32]);
|
|
let j_0 = DiversifierIndex::new();
|
|
let j_1 = DiversifierIndex([1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
|
|
let j_2 = DiversifierIndex([2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
|
|
let j_3 = DiversifierIndex([3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
|
|
// Computed using this Rust implementation
|
|
let d_0 = [220, 231, 126, 188, 236, 10, 38, 175, 214, 153, 140];
|
|
let d_3 = [60, 253, 170, 8, 171, 147, 220, 31, 3, 144, 34];
|
|
|
|
// j = 0
|
|
let (j, d_j) = dk.diversifier(j_0).unwrap();
|
|
assert_eq!(j, j_0);
|
|
assert_eq!(d_j.0, d_0);
|
|
|
|
// j = 1
|
|
let (j, d_j) = dk.diversifier(j_1).unwrap();
|
|
assert_eq!(j, j_3);
|
|
assert_eq!(d_j.0, d_3);
|
|
|
|
// j = 2
|
|
let (j, d_j) = dk.diversifier(j_2).unwrap();
|
|
assert_eq!(j, j_3);
|
|
assert_eq!(d_j.0, d_3);
|
|
|
|
// j = 3
|
|
let (j, d_j) = dk.diversifier(j_3).unwrap();
|
|
assert_eq!(j, j_3);
|
|
assert_eq!(d_j.0, d_3);
|
|
}
|
|
|
|
#[test]
|
|
fn default_address() {
|
|
let seed = [0; 32];
|
|
let xsk_m = ExtendedSpendingKey::master(&seed);
|
|
let (j_m, addr_m) = xsk_m.default_address().unwrap();
|
|
assert_eq!(j_m.0, [0; 11]);
|
|
assert_eq!(
|
|
addr_m.diversifier.0,
|
|
// Computed using this Rust implementation
|
|
[59, 246, 250, 31, 131, 191, 69, 99, 200, 167, 19]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn read_write() {
|
|
let seed = [0; 32];
|
|
let xsk = ExtendedSpendingKey::master(&seed);
|
|
let fvk = ExtendedFullViewingKey::from(&xsk);
|
|
|
|
let mut ser = vec![];
|
|
xsk.write(&mut ser).unwrap();
|
|
let xsk2 = ExtendedSpendingKey::read(&ser[..]).unwrap();
|
|
assert_eq!(xsk2, xsk);
|
|
|
|
let mut ser = vec![];
|
|
fvk.write(&mut ser).unwrap();
|
|
let fvk2 = ExtendedFullViewingKey::read(&ser[..]).unwrap();
|
|
assert_eq!(fvk2, fvk);
|
|
}
|
|
|
|
#[test]
|
|
fn test_vectors() {
|
|
struct TestVector {
|
|
ask: Option<[u8; 32]>,
|
|
nsk: Option<[u8; 32]>,
|
|
ovk: [u8; 32],
|
|
dk: [u8; 32],
|
|
c: [u8; 32],
|
|
ak: [u8; 32],
|
|
nk: [u8; 32],
|
|
ivk: [u8; 32],
|
|
xsk: Option<[u8; 169]>,
|
|
xfvk: [u8; 169],
|
|
fp: [u8; 32],
|
|
d0: Option<[u8; 11]>,
|
|
d1: Option<[u8; 11]>,
|
|
d2: Option<[u8; 11]>,
|
|
dmax: Option<[u8; 11]>,
|
|
};
|
|
|
|
// From https://github.com/zcash-hackworks/zcash-test-vectors/blob/master/sapling_zip32.py
|
|
let test_vectors = vec![
|
|
TestVector {
|
|
ask: Some([
|
|
0xb6, 0xc0, 0x0c, 0x93, 0xd3, 0x60, 0x32, 0xb9, 0xa2, 0x68, 0xe9, 0x9e, 0x86,
|
|
0xa8, 0x60, 0x77, 0x65, 0x60, 0xbf, 0x0e, 0x83, 0xc1, 0xa1, 0x0b, 0x51, 0xf6,
|
|
0x07, 0xc9, 0x54, 0x74, 0x25, 0x06,
|
|
]),
|
|
nsk: Some([
|
|
0x82, 0x04, 0xed, 0xe8, 0x3b, 0x2f, 0x1f, 0xbd, 0x84, 0xf9, 0xb4, 0x5d, 0x7f,
|
|
0x99, 0x6e, 0x2e, 0xbd, 0x0a, 0x03, 0x0a, 0xd2, 0x43, 0xb4, 0x8e, 0xd3, 0x9f,
|
|
0x74, 0x8a, 0x88, 0x21, 0xea, 0x06,
|
|
]),
|
|
ovk: [
|
|
0x39, 0x58, 0x84, 0x89, 0x03, 0x23, 0xb9, 0xd4, 0x93, 0x3c, 0x02, 0x1d, 0xb8,
|
|
0x9b, 0xcf, 0x76, 0x7d, 0xf2, 0x19, 0x77, 0xb2, 0xff, 0x06, 0x83, 0x84, 0x83,
|
|
0x21, 0xa4, 0xdf, 0x4a, 0xfb, 0x21,
|
|
],
|
|
dk: [
|
|
0x77, 0xc1, 0x7c, 0xb7, 0x5b, 0x77, 0x96, 0xaf, 0xb3, 0x9f, 0x0f, 0x3e, 0x91,
|
|
0xc9, 0x24, 0x60, 0x7d, 0xa5, 0x6f, 0xa9, 0xa2, 0x0e, 0x28, 0x35, 0x09, 0xbc,
|
|
0x8a, 0x3e, 0xf9, 0x96, 0xa1, 0x72,
|
|
],
|
|
c: [
|
|
0xd0, 0x94, 0x7c, 0x4b, 0x03, 0xbf, 0x72, 0xa3, 0x7a, 0xb4, 0x4f, 0x72, 0x27,
|
|
0x6d, 0x1c, 0xf3, 0xfd, 0xcd, 0x7e, 0xbf, 0x3e, 0x73, 0x34, 0x8b, 0x7e, 0x55,
|
|
0x0d, 0x75, 0x20, 0x18, 0x66, 0x8e,
|
|
],
|
|
ak: [
|
|
0x93, 0x44, 0x2e, 0x5f, 0xef, 0xfb, 0xff, 0x16, 0xe7, 0x21, 0x72, 0x02, 0xdc,
|
|
0x73, 0x06, 0x72, 0x9f, 0xff, 0xfe, 0x85, 0xaf, 0x56, 0x83, 0xbc, 0xe2, 0x64,
|
|
0x2e, 0x3e, 0xeb, 0x5d, 0x38, 0x71,
|
|
],
|
|
nk: [
|
|
0xdc, 0xe8, 0xe7, 0xed, 0xec, 0xe0, 0x4b, 0x89, 0x50, 0x41, 0x7f, 0x85, 0xba,
|
|
0x57, 0x69, 0x1b, 0x78, 0x3c, 0x45, 0xb1, 0xa2, 0x74, 0x22, 0xdb, 0x16, 0x93,
|
|
0xdc, 0xeb, 0x67, 0xb1, 0x01, 0x06,
|
|
],
|
|
ivk: [
|
|
0x48, 0x47, 0xa1, 0x30, 0xe7, 0x99, 0xd3, 0xdb, 0xea, 0x36, 0xa1, 0xc1, 0x64,
|
|
0x67, 0xd6, 0x21, 0xfb, 0x2d, 0x80, 0xe3, 0x0b, 0x3b, 0x1d, 0x1a, 0x42, 0x68,
|
|
0x93, 0x41, 0x5d, 0xad, 0x66, 0x01,
|
|
],
|
|
xsk: Some([
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd0, 0x94, 0x7c, 0x4b,
|
|
0x03, 0xbf, 0x72, 0xa3, 0x7a, 0xb4, 0x4f, 0x72, 0x27, 0x6d, 0x1c, 0xf3, 0xfd,
|
|
0xcd, 0x7e, 0xbf, 0x3e, 0x73, 0x34, 0x8b, 0x7e, 0x55, 0x0d, 0x75, 0x20, 0x18,
|
|
0x66, 0x8e, 0xb6, 0xc0, 0x0c, 0x93, 0xd3, 0x60, 0x32, 0xb9, 0xa2, 0x68, 0xe9,
|
|
0x9e, 0x86, 0xa8, 0x60, 0x77, 0x65, 0x60, 0xbf, 0x0e, 0x83, 0xc1, 0xa1, 0x0b,
|
|
0x51, 0xf6, 0x07, 0xc9, 0x54, 0x74, 0x25, 0x06, 0x82, 0x04, 0xed, 0xe8, 0x3b,
|
|
0x2f, 0x1f, 0xbd, 0x84, 0xf9, 0xb4, 0x5d, 0x7f, 0x99, 0x6e, 0x2e, 0xbd, 0x0a,
|
|
0x03, 0x0a, 0xd2, 0x43, 0xb4, 0x8e, 0xd3, 0x9f, 0x74, 0x8a, 0x88, 0x21, 0xea,
|
|
0x06, 0x39, 0x58, 0x84, 0x89, 0x03, 0x23, 0xb9, 0xd4, 0x93, 0x3c, 0x02, 0x1d,
|
|
0xb8, 0x9b, 0xcf, 0x76, 0x7d, 0xf2, 0x19, 0x77, 0xb2, 0xff, 0x06, 0x83, 0x84,
|
|
0x83, 0x21, 0xa4, 0xdf, 0x4a, 0xfb, 0x21, 0x77, 0xc1, 0x7c, 0xb7, 0x5b, 0x77,
|
|
0x96, 0xaf, 0xb3, 0x9f, 0x0f, 0x3e, 0x91, 0xc9, 0x24, 0x60, 0x7d, 0xa5, 0x6f,
|
|
0xa9, 0xa2, 0x0e, 0x28, 0x35, 0x09, 0xbc, 0x8a, 0x3e, 0xf9, 0x96, 0xa1, 0x72,
|
|
]),
|
|
xfvk: [
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd0, 0x94, 0x7c, 0x4b,
|
|
0x03, 0xbf, 0x72, 0xa3, 0x7a, 0xb4, 0x4f, 0x72, 0x27, 0x6d, 0x1c, 0xf3, 0xfd,
|
|
0xcd, 0x7e, 0xbf, 0x3e, 0x73, 0x34, 0x8b, 0x7e, 0x55, 0x0d, 0x75, 0x20, 0x18,
|
|
0x66, 0x8e, 0x93, 0x44, 0x2e, 0x5f, 0xef, 0xfb, 0xff, 0x16, 0xe7, 0x21, 0x72,
|
|
0x02, 0xdc, 0x73, 0x06, 0x72, 0x9f, 0xff, 0xfe, 0x85, 0xaf, 0x56, 0x83, 0xbc,
|
|
0xe2, 0x64, 0x2e, 0x3e, 0xeb, 0x5d, 0x38, 0x71, 0xdc, 0xe8, 0xe7, 0xed, 0xec,
|
|
0xe0, 0x4b, 0x89, 0x50, 0x41, 0x7f, 0x85, 0xba, 0x57, 0x69, 0x1b, 0x78, 0x3c,
|
|
0x45, 0xb1, 0xa2, 0x74, 0x22, 0xdb, 0x16, 0x93, 0xdc, 0xeb, 0x67, 0xb1, 0x01,
|
|
0x06, 0x39, 0x58, 0x84, 0x89, 0x03, 0x23, 0xb9, 0xd4, 0x93, 0x3c, 0x02, 0x1d,
|
|
0xb8, 0x9b, 0xcf, 0x76, 0x7d, 0xf2, 0x19, 0x77, 0xb2, 0xff, 0x06, 0x83, 0x84,
|
|
0x83, 0x21, 0xa4, 0xdf, 0x4a, 0xfb, 0x21, 0x77, 0xc1, 0x7c, 0xb7, 0x5b, 0x77,
|
|
0x96, 0xaf, 0xb3, 0x9f, 0x0f, 0x3e, 0x91, 0xc9, 0x24, 0x60, 0x7d, 0xa5, 0x6f,
|
|
0xa9, 0xa2, 0x0e, 0x28, 0x35, 0x09, 0xbc, 0x8a, 0x3e, 0xf9, 0x96, 0xa1, 0x72,
|
|
],
|
|
fp: [
|
|
0x14, 0xc2, 0x71, 0x3a, 0xdc, 0xe9, 0x3a, 0x83, 0x0e, 0xa8, 0x3a, 0x05, 0x19,
|
|
0x08, 0xb7, 0x44, 0x77, 0x83, 0xf5, 0xd1, 0x06, 0xc0, 0x98, 0x5e, 0x02, 0x55,
|
|
0x0e, 0x42, 0x6f, 0x27, 0x59, 0x7c,
|
|
],
|
|
d0: Some([
|
|
0xd8, 0x62, 0x1b, 0x98, 0x1c, 0xf3, 0x00, 0xe9, 0xd4, 0xcc, 0x89,
|
|
]),
|
|
d1: Some([
|
|
0x48, 0xea, 0x17, 0xa1, 0x99, 0xc8, 0x4b, 0xd1, 0xba, 0xa5, 0xd4,
|
|
]),
|
|
d2: None,
|
|
dmax: None,
|
|
},
|
|
TestVector {
|
|
ask: Some([
|
|
0x28, 0x2b, 0xc1, 0x97, 0xa5, 0x16, 0x28, 0x7c, 0x8e, 0xa8, 0xf6, 0x8c, 0x42,
|
|
0x4a, 0xba, 0xd3, 0x02, 0xb4, 0x5c, 0xdf, 0x95, 0x40, 0x79, 0x61, 0xd7, 0xb8,
|
|
0xb4, 0x55, 0x26, 0x7a, 0x35, 0x0c,
|
|
]),
|
|
nsk: Some([
|
|
0xe7, 0xa3, 0x29, 0x88, 0xfd, 0xca, 0x1e, 0xfc, 0xd6, 0xd1, 0xc4, 0xc5, 0x62,
|
|
0xe6, 0x29, 0xc2, 0xe9, 0x6b, 0x2c, 0x3f, 0x7e, 0xda, 0x04, 0xac, 0x4e, 0xfd,
|
|
0x18, 0x10, 0xff, 0x6b, 0xba, 0x01,
|
|
]),
|
|
ovk: [
|
|
0x5f, 0x13, 0x81, 0xfc, 0x88, 0x86, 0xda, 0x6a, 0x02, 0xdf, 0xfe, 0xef, 0xcf,
|
|
0x50, 0x3c, 0x40, 0xfa, 0x8f, 0x5a, 0x36, 0xf7, 0xa7, 0x14, 0x2f, 0xd8, 0x1b,
|
|
0x55, 0x18, 0xc5, 0xa4, 0x74, 0x74,
|
|
],
|
|
dk: [
|
|
0xe0, 0x4d, 0xe8, 0x32, 0xa2, 0xd7, 0x91, 0xec, 0x12, 0x9a, 0xb9, 0x00, 0x2b,
|
|
0x91, 0xc9, 0xe9, 0xcd, 0xee, 0xd7, 0x92, 0x41, 0xa7, 0xc4, 0x96, 0x0e, 0x51,
|
|
0x78, 0xd8, 0x70, 0xc1, 0xb4, 0xdc,
|
|
],
|
|
c: [
|
|
0x01, 0x47, 0x11, 0x0c, 0x69, 0x1a, 0x03, 0xb9, 0xd9, 0xf0, 0xba, 0x90, 0x05,
|
|
0xc5, 0xe7, 0x90, 0xa5, 0x95, 0xb7, 0xf0, 0x4e, 0x33, 0x29, 0xd2, 0xfa, 0x43,
|
|
0x8a, 0x67, 0x05, 0xda, 0xbc, 0xe6,
|
|
],
|
|
ak: [
|
|
0xdc, 0x14, 0xb5, 0x14, 0xd3, 0xa9, 0x25, 0x94, 0xc2, 0x19, 0x25, 0xaf, 0x2f,
|
|
0x77, 0x65, 0xa5, 0x47, 0xb3, 0x0e, 0x73, 0xfa, 0x7b, 0x70, 0x0e, 0xa1, 0xbf,
|
|
0xf2, 0xe5, 0xef, 0xaa, 0xa8, 0x8b,
|
|
],
|
|
nk: [
|
|
0x61, 0x52, 0xeb, 0x7f, 0xdb, 0x25, 0x27, 0x79, 0xdd, 0xcb, 0x95, 0xd2, 0x17,
|
|
0xea, 0x4b, 0x6f, 0xd3, 0x40, 0x36, 0xe9, 0xad, 0xad, 0xb3, 0xb5, 0xc9, 0xcb,
|
|
0xec, 0xeb, 0x41, 0xba, 0x45, 0x2a,
|
|
],
|
|
ivk: [
|
|
0x15, 0x5a, 0x8e, 0xe2, 0x05, 0xd3, 0x87, 0x2d, 0x12, 0xf8, 0xa3, 0xe6, 0x39,
|
|
0x91, 0x46, 0x33, 0xc2, 0x3c, 0xde, 0x1f, 0x30, 0xed, 0x50, 0x51, 0xe5, 0x21,
|
|
0x30, 0xb1, 0xd0, 0x10, 0x4c, 0x06,
|
|
],
|
|
xsk: Some([
|
|
0x01, 0x14, 0xc2, 0x71, 0x3a, 0x01, 0x00, 0x00, 0x00, 0x01, 0x47, 0x11, 0x0c,
|
|
0x69, 0x1a, 0x03, 0xb9, 0xd9, 0xf0, 0xba, 0x90, 0x05, 0xc5, 0xe7, 0x90, 0xa5,
|
|
0x95, 0xb7, 0xf0, 0x4e, 0x33, 0x29, 0xd2, 0xfa, 0x43, 0x8a, 0x67, 0x05, 0xda,
|
|
0xbc, 0xe6, 0x28, 0x2b, 0xc1, 0x97, 0xa5, 0x16, 0x28, 0x7c, 0x8e, 0xa8, 0xf6,
|
|
0x8c, 0x42, 0x4a, 0xba, 0xd3, 0x02, 0xb4, 0x5c, 0xdf, 0x95, 0x40, 0x79, 0x61,
|
|
0xd7, 0xb8, 0xb4, 0x55, 0x26, 0x7a, 0x35, 0x0c, 0xe7, 0xa3, 0x29, 0x88, 0xfd,
|
|
0xca, 0x1e, 0xfc, 0xd6, 0xd1, 0xc4, 0xc5, 0x62, 0xe6, 0x29, 0xc2, 0xe9, 0x6b,
|
|
0x2c, 0x3f, 0x7e, 0xda, 0x04, 0xac, 0x4e, 0xfd, 0x18, 0x10, 0xff, 0x6b, 0xba,
|
|
0x01, 0x5f, 0x13, 0x81, 0xfc, 0x88, 0x86, 0xda, 0x6a, 0x02, 0xdf, 0xfe, 0xef,
|
|
0xcf, 0x50, 0x3c, 0x40, 0xfa, 0x8f, 0x5a, 0x36, 0xf7, 0xa7, 0x14, 0x2f, 0xd8,
|
|
0x1b, 0x55, 0x18, 0xc5, 0xa4, 0x74, 0x74, 0xe0, 0x4d, 0xe8, 0x32, 0xa2, 0xd7,
|
|
0x91, 0xec, 0x12, 0x9a, 0xb9, 0x00, 0x2b, 0x91, 0xc9, 0xe9, 0xcd, 0xee, 0xd7,
|
|
0x92, 0x41, 0xa7, 0xc4, 0x96, 0x0e, 0x51, 0x78, 0xd8, 0x70, 0xc1, 0xb4, 0xdc,
|
|
]),
|
|
xfvk: [
|
|
0x01, 0x14, 0xc2, 0x71, 0x3a, 0x01, 0x00, 0x00, 0x00, 0x01, 0x47, 0x11, 0x0c,
|
|
0x69, 0x1a, 0x03, 0xb9, 0xd9, 0xf0, 0xba, 0x90, 0x05, 0xc5, 0xe7, 0x90, 0xa5,
|
|
0x95, 0xb7, 0xf0, 0x4e, 0x33, 0x29, 0xd2, 0xfa, 0x43, 0x8a, 0x67, 0x05, 0xda,
|
|
0xbc, 0xe6, 0xdc, 0x14, 0xb5, 0x14, 0xd3, 0xa9, 0x25, 0x94, 0xc2, 0x19, 0x25,
|
|
0xaf, 0x2f, 0x77, 0x65, 0xa5, 0x47, 0xb3, 0x0e, 0x73, 0xfa, 0x7b, 0x70, 0x0e,
|
|
0xa1, 0xbf, 0xf2, 0xe5, 0xef, 0xaa, 0xa8, 0x8b, 0x61, 0x52, 0xeb, 0x7f, 0xdb,
|
|
0x25, 0x27, 0x79, 0xdd, 0xcb, 0x95, 0xd2, 0x17, 0xea, 0x4b, 0x6f, 0xd3, 0x40,
|
|
0x36, 0xe9, 0xad, 0xad, 0xb3, 0xb5, 0xc9, 0xcb, 0xec, 0xeb, 0x41, 0xba, 0x45,
|
|
0x2a, 0x5f, 0x13, 0x81, 0xfc, 0x88, 0x86, 0xda, 0x6a, 0x02, 0xdf, 0xfe, 0xef,
|
|
0xcf, 0x50, 0x3c, 0x40, 0xfa, 0x8f, 0x5a, 0x36, 0xf7, 0xa7, 0x14, 0x2f, 0xd8,
|
|
0x1b, 0x55, 0x18, 0xc5, 0xa4, 0x74, 0x74, 0xe0, 0x4d, 0xe8, 0x32, 0xa2, 0xd7,
|
|
0x91, 0xec, 0x12, 0x9a, 0xb9, 0x00, 0x2b, 0x91, 0xc9, 0xe9, 0xcd, 0xee, 0xd7,
|
|
0x92, 0x41, 0xa7, 0xc4, 0x96, 0x0e, 0x51, 0x78, 0xd8, 0x70, 0xc1, 0xb4, 0xdc,
|
|
],
|
|
fp: [
|
|
0xdb, 0x99, 0x9e, 0x07, 0x1d, 0xcb, 0x58, 0xdd, 0x93, 0x02, 0x9a, 0xe6, 0x97,
|
|
0x05, 0x3e, 0x90, 0xed, 0xb3, 0x59, 0xd1, 0xa1, 0xb7, 0xa1, 0x25, 0x16, 0x7e,
|
|
0xfb, 0xe9, 0x28, 0x06, 0x84, 0x23,
|
|
],
|
|
d0: Some([
|
|
0x8b, 0x41, 0x38, 0x32, 0x0d, 0xfa, 0xfd, 0x7b, 0x39, 0x97, 0x81,
|
|
]),
|
|
d1: None,
|
|
d2: Some([
|
|
0x57, 0x49, 0xa1, 0x33, 0x52, 0xbc, 0x22, 0x3e, 0x30, 0x80, 0x78,
|
|
]),
|
|
dmax: Some([
|
|
0x63, 0x89, 0x57, 0x4c, 0xde, 0x0f, 0xbb, 0xc6, 0x36, 0x81, 0x31,
|
|
]),
|
|
},
|
|
TestVector {
|
|
ask: Some([
|
|
0x8b, 0xe8, 0x11, 0x3c, 0xee, 0x34, 0x13, 0xa7, 0x1f, 0x82, 0xc4, 0x1f, 0xc8,
|
|
0xda, 0x51, 0x7b, 0xe1, 0x34, 0x04, 0x98, 0x32, 0xe6, 0x82, 0x5c, 0x92, 0xda,
|
|
0x6b, 0x84, 0xfe, 0xe4, 0xc6, 0x0d,
|
|
]),
|
|
nsk: Some([
|
|
0x37, 0x78, 0x05, 0x9d, 0xc5, 0x69, 0xe7, 0xd0, 0xd3, 0x23, 0x91, 0x57, 0x3f,
|
|
0x95, 0x1b, 0xbd, 0xe9, 0x2f, 0xc6, 0xb9, 0xcf, 0x61, 0x47, 0x73, 0x66, 0x1c,
|
|
0x5c, 0x27, 0x3a, 0xa6, 0x99, 0x0c,
|
|
]),
|
|
ovk: [
|
|
0xcf, 0x81, 0x18, 0x2e, 0x96, 0x22, 0x3c, 0x02, 0x8c, 0xe3, 0xd6, 0xeb, 0x47,
|
|
0x94, 0xd3, 0x11, 0x3b, 0x95, 0x06, 0x9d, 0x14, 0xc5, 0x75, 0x88, 0xe1, 0x93,
|
|
0xb6, 0x5e, 0xfc, 0x28, 0x13, 0xbc,
|
|
],
|
|
dk: [
|
|
0xa3, 0xed, 0xa1, 0x9f, 0x9e, 0xff, 0x46, 0xca, 0x12, 0xdf, 0xa1, 0xbf, 0x10,
|
|
0x37, 0x1b, 0x48, 0xd1, 0xb4, 0xa4, 0x0c, 0x4d, 0x05, 0xa0, 0xd8, 0xdc, 0xe0,
|
|
0xe7, 0xdc, 0x62, 0xb0, 0x7b, 0x37,
|
|
],
|
|
c: [
|
|
0x97, 0xce, 0x15, 0xf4, 0xed, 0x1b, 0x97, 0x39, 0xb0, 0x26, 0x2a, 0x46, 0x3b,
|
|
0xcb, 0x3d, 0xc9, 0xb3, 0xbd, 0x23, 0x23, 0xa9, 0xba, 0xa4, 0x41, 0xca, 0x42,
|
|
0x77, 0x73, 0x83, 0xa8, 0xd4, 0x35,
|
|
],
|
|
ak: [
|
|
0xa6, 0xc5, 0x92, 0x5a, 0x0f, 0x85, 0xfa, 0x4f, 0x1e, 0x40, 0x5e, 0x3a, 0x49,
|
|
0x70, 0xd0, 0xc4, 0xa4, 0xb4, 0x81, 0x44, 0x38, 0xf4, 0xe9, 0xd4, 0x52, 0x0e,
|
|
0x20, 0xf7, 0xfd, 0xcf, 0x38, 0x41,
|
|
],
|
|
nk: [
|
|
0x30, 0x4e, 0x30, 0x59, 0x16, 0x21, 0x6b, 0xeb, 0x7b, 0x65, 0x4d, 0x8a, 0xae,
|
|
0x50, 0xec, 0xd1, 0x88, 0xfc, 0xb3, 0x84, 0xbc, 0x36, 0xc0, 0x0c, 0x66, 0x4f,
|
|
0x30, 0x77, 0x25, 0xe2, 0xee, 0x11,
|
|
],
|
|
ivk: [
|
|
0xa2, 0xa1, 0x3c, 0x1e, 0x38, 0xb4, 0x59, 0x84, 0x44, 0x58, 0x03, 0xe4, 0x30,
|
|
0xa6, 0x83, 0xc9, 0x0b, 0xb2, 0xe1, 0x4d, 0x4c, 0x86, 0x92, 0xff, 0x25, 0x3a,
|
|
0x64, 0x84, 0xdd, 0x9b, 0xb5, 0x04,
|
|
],
|
|
xsk: Some([
|
|
0x02, 0xdb, 0x99, 0x9e, 0x07, 0x02, 0x00, 0x00, 0x80, 0x97, 0xce, 0x15, 0xf4,
|
|
0xed, 0x1b, 0x97, 0x39, 0xb0, 0x26, 0x2a, 0x46, 0x3b, 0xcb, 0x3d, 0xc9, 0xb3,
|
|
0xbd, 0x23, 0x23, 0xa9, 0xba, 0xa4, 0x41, 0xca, 0x42, 0x77, 0x73, 0x83, 0xa8,
|
|
0xd4, 0x35, 0x8b, 0xe8, 0x11, 0x3c, 0xee, 0x34, 0x13, 0xa7, 0x1f, 0x82, 0xc4,
|
|
0x1f, 0xc8, 0xda, 0x51, 0x7b, 0xe1, 0x34, 0x04, 0x98, 0x32, 0xe6, 0x82, 0x5c,
|
|
0x92, 0xda, 0x6b, 0x84, 0xfe, 0xe4, 0xc6, 0x0d, 0x37, 0x78, 0x05, 0x9d, 0xc5,
|
|
0x69, 0xe7, 0xd0, 0xd3, 0x23, 0x91, 0x57, 0x3f, 0x95, 0x1b, 0xbd, 0xe9, 0x2f,
|
|
0xc6, 0xb9, 0xcf, 0x61, 0x47, 0x73, 0x66, 0x1c, 0x5c, 0x27, 0x3a, 0xa6, 0x99,
|
|
0x0c, 0xcf, 0x81, 0x18, 0x2e, 0x96, 0x22, 0x3c, 0x02, 0x8c, 0xe3, 0xd6, 0xeb,
|
|
0x47, 0x94, 0xd3, 0x11, 0x3b, 0x95, 0x06, 0x9d, 0x14, 0xc5, 0x75, 0x88, 0xe1,
|
|
0x93, 0xb6, 0x5e, 0xfc, 0x28, 0x13, 0xbc, 0xa3, 0xed, 0xa1, 0x9f, 0x9e, 0xff,
|
|
0x46, 0xca, 0x12, 0xdf, 0xa1, 0xbf, 0x10, 0x37, 0x1b, 0x48, 0xd1, 0xb4, 0xa4,
|
|
0x0c, 0x4d, 0x05, 0xa0, 0xd8, 0xdc, 0xe0, 0xe7, 0xdc, 0x62, 0xb0, 0x7b, 0x37,
|
|
]),
|
|
xfvk: [
|
|
0x02, 0xdb, 0x99, 0x9e, 0x07, 0x02, 0x00, 0x00, 0x80, 0x97, 0xce, 0x15, 0xf4,
|
|
0xed, 0x1b, 0x97, 0x39, 0xb0, 0x26, 0x2a, 0x46, 0x3b, 0xcb, 0x3d, 0xc9, 0xb3,
|
|
0xbd, 0x23, 0x23, 0xa9, 0xba, 0xa4, 0x41, 0xca, 0x42, 0x77, 0x73, 0x83, 0xa8,
|
|
0xd4, 0x35, 0xa6, 0xc5, 0x92, 0x5a, 0x0f, 0x85, 0xfa, 0x4f, 0x1e, 0x40, 0x5e,
|
|
0x3a, 0x49, 0x70, 0xd0, 0xc4, 0xa4, 0xb4, 0x81, 0x44, 0x38, 0xf4, 0xe9, 0xd4,
|
|
0x52, 0x0e, 0x20, 0xf7, 0xfd, 0xcf, 0x38, 0x41, 0x30, 0x4e, 0x30, 0x59, 0x16,
|
|
0x21, 0x6b, 0xeb, 0x7b, 0x65, 0x4d, 0x8a, 0xae, 0x50, 0xec, 0xd1, 0x88, 0xfc,
|
|
0xb3, 0x84, 0xbc, 0x36, 0xc0, 0x0c, 0x66, 0x4f, 0x30, 0x77, 0x25, 0xe2, 0xee,
|
|
0x11, 0xcf, 0x81, 0x18, 0x2e, 0x96, 0x22, 0x3c, 0x02, 0x8c, 0xe3, 0xd6, 0xeb,
|
|
0x47, 0x94, 0xd3, 0x11, 0x3b, 0x95, 0x06, 0x9d, 0x14, 0xc5, 0x75, 0x88, 0xe1,
|
|
0x93, 0xb6, 0x5e, 0xfc, 0x28, 0x13, 0xbc, 0xa3, 0xed, 0xa1, 0x9f, 0x9e, 0xff,
|
|
0x46, 0xca, 0x12, 0xdf, 0xa1, 0xbf, 0x10, 0x37, 0x1b, 0x48, 0xd1, 0xb4, 0xa4,
|
|
0x0c, 0x4d, 0x05, 0xa0, 0xd8, 0xdc, 0xe0, 0xe7, 0xdc, 0x62, 0xb0, 0x7b, 0x37,
|
|
],
|
|
fp: [
|
|
0x48, 0xc1, 0x83, 0x75, 0x7b, 0x5d, 0xa6, 0x61, 0x2a, 0x81, 0xb3, 0x0e, 0x40,
|
|
0xb4, 0xac, 0xaa, 0x2d, 0x9e, 0x73, 0x95, 0x12, 0xe1, 0xd2, 0xd0, 0x01, 0x0e,
|
|
0x92, 0xa7, 0xf7, 0xf2, 0xfc, 0xdf,
|
|
],
|
|
d0: Some([
|
|
0xe8, 0xd0, 0x37, 0x93, 0xcd, 0xd2, 0xba, 0xcc, 0x9c, 0x70, 0x41,
|
|
]),
|
|
d1: Some([
|
|
0x02, 0x0a, 0x7a, 0x6b, 0x0b, 0xf8, 0x4d, 0x3e, 0x89, 0x9f, 0x68,
|
|
]),
|
|
d2: None,
|
|
dmax: None,
|
|
},
|
|
TestVector {
|
|
ask: None,
|
|
nsk: None,
|
|
ovk: [
|
|
0xcf, 0x81, 0x18, 0x2e, 0x96, 0x22, 0x3c, 0x02, 0x8c, 0xe3, 0xd6, 0xeb, 0x47,
|
|
0x94, 0xd3, 0x11, 0x3b, 0x95, 0x06, 0x9d, 0x14, 0xc5, 0x75, 0x88, 0xe1, 0x93,
|
|
0xb6, 0x5e, 0xfc, 0x28, 0x13, 0xbc,
|
|
],
|
|
dk: [
|
|
0xa3, 0xed, 0xa1, 0x9f, 0x9e, 0xff, 0x46, 0xca, 0x12, 0xdf, 0xa1, 0xbf, 0x10,
|
|
0x37, 0x1b, 0x48, 0xd1, 0xb4, 0xa4, 0x0c, 0x4d, 0x05, 0xa0, 0xd8, 0xdc, 0xe0,
|
|
0xe7, 0xdc, 0x62, 0xb0, 0x7b, 0x37,
|
|
],
|
|
c: [
|
|
0x97, 0xce, 0x15, 0xf4, 0xed, 0x1b, 0x97, 0x39, 0xb0, 0x26, 0x2a, 0x46, 0x3b,
|
|
0xcb, 0x3d, 0xc9, 0xb3, 0xbd, 0x23, 0x23, 0xa9, 0xba, 0xa4, 0x41, 0xca, 0x42,
|
|
0x77, 0x73, 0x83, 0xa8, 0xd4, 0x35,
|
|
],
|
|
ak: [
|
|
0xa6, 0xc5, 0x92, 0x5a, 0x0f, 0x85, 0xfa, 0x4f, 0x1e, 0x40, 0x5e, 0x3a, 0x49,
|
|
0x70, 0xd0, 0xc4, 0xa4, 0xb4, 0x81, 0x44, 0x38, 0xf4, 0xe9, 0xd4, 0x52, 0x0e,
|
|
0x20, 0xf7, 0xfd, 0xcf, 0x38, 0x41,
|
|
],
|
|
nk: [
|
|
0x30, 0x4e, 0x30, 0x59, 0x16, 0x21, 0x6b, 0xeb, 0x7b, 0x65, 0x4d, 0x8a, 0xae,
|
|
0x50, 0xec, 0xd1, 0x88, 0xfc, 0xb3, 0x84, 0xbc, 0x36, 0xc0, 0x0c, 0x66, 0x4f,
|
|
0x30, 0x77, 0x25, 0xe2, 0xee, 0x11,
|
|
],
|
|
ivk: [
|
|
0xa2, 0xa1, 0x3c, 0x1e, 0x38, 0xb4, 0x59, 0x84, 0x44, 0x58, 0x03, 0xe4, 0x30,
|
|
0xa6, 0x83, 0xc9, 0x0b, 0xb2, 0xe1, 0x4d, 0x4c, 0x86, 0x92, 0xff, 0x25, 0x3a,
|
|
0x64, 0x84, 0xdd, 0x9b, 0xb5, 0x04,
|
|
],
|
|
xsk: None,
|
|
xfvk: [
|
|
0x02, 0xdb, 0x99, 0x9e, 0x07, 0x02, 0x00, 0x00, 0x80, 0x97, 0xce, 0x15, 0xf4,
|
|
0xed, 0x1b, 0x97, 0x39, 0xb0, 0x26, 0x2a, 0x46, 0x3b, 0xcb, 0x3d, 0xc9, 0xb3,
|
|
0xbd, 0x23, 0x23, 0xa9, 0xba, 0xa4, 0x41, 0xca, 0x42, 0x77, 0x73, 0x83, 0xa8,
|
|
0xd4, 0x35, 0xa6, 0xc5, 0x92, 0x5a, 0x0f, 0x85, 0xfa, 0x4f, 0x1e, 0x40, 0x5e,
|
|
0x3a, 0x49, 0x70, 0xd0, 0xc4, 0xa4, 0xb4, 0x81, 0x44, 0x38, 0xf4, 0xe9, 0xd4,
|
|
0x52, 0x0e, 0x20, 0xf7, 0xfd, 0xcf, 0x38, 0x41, 0x30, 0x4e, 0x30, 0x59, 0x16,
|
|
0x21, 0x6b, 0xeb, 0x7b, 0x65, 0x4d, 0x8a, 0xae, 0x50, 0xec, 0xd1, 0x88, 0xfc,
|
|
0xb3, 0x84, 0xbc, 0x36, 0xc0, 0x0c, 0x66, 0x4f, 0x30, 0x77, 0x25, 0xe2, 0xee,
|
|
0x11, 0xcf, 0x81, 0x18, 0x2e, 0x96, 0x22, 0x3c, 0x02, 0x8c, 0xe3, 0xd6, 0xeb,
|
|
0x47, 0x94, 0xd3, 0x11, 0x3b, 0x95, 0x06, 0x9d, 0x14, 0xc5, 0x75, 0x88, 0xe1,
|
|
0x93, 0xb6, 0x5e, 0xfc, 0x28, 0x13, 0xbc, 0xa3, 0xed, 0xa1, 0x9f, 0x9e, 0xff,
|
|
0x46, 0xca, 0x12, 0xdf, 0xa1, 0xbf, 0x10, 0x37, 0x1b, 0x48, 0xd1, 0xb4, 0xa4,
|
|
0x0c, 0x4d, 0x05, 0xa0, 0xd8, 0xdc, 0xe0, 0xe7, 0xdc, 0x62, 0xb0, 0x7b, 0x37,
|
|
],
|
|
fp: [
|
|
0x48, 0xc1, 0x83, 0x75, 0x7b, 0x5d, 0xa6, 0x61, 0x2a, 0x81, 0xb3, 0x0e, 0x40,
|
|
0xb4, 0xac, 0xaa, 0x2d, 0x9e, 0x73, 0x95, 0x12, 0xe1, 0xd2, 0xd0, 0x01, 0x0e,
|
|
0x92, 0xa7, 0xf7, 0xf2, 0xfc, 0xdf,
|
|
],
|
|
d0: Some([
|
|
0xe8, 0xd0, 0x37, 0x93, 0xcd, 0xd2, 0xba, 0xcc, 0x9c, 0x70, 0x41,
|
|
]),
|
|
d1: Some([
|
|
0x02, 0x0a, 0x7a, 0x6b, 0x0b, 0xf8, 0x4d, 0x3e, 0x89, 0x9f, 0x68,
|
|
]),
|
|
d2: None,
|
|
dmax: None,
|
|
},
|
|
TestVector {
|
|
ask: None,
|
|
nsk: None,
|
|
ovk: [
|
|
0x69, 0xb9, 0xe0, 0xfa, 0x1c, 0x4b, 0x3d, 0xeb, 0x91, 0xd5, 0x3b, 0xee, 0xe8,
|
|
0x71, 0x15, 0x61, 0x21, 0x47, 0x4b, 0x8b, 0x62, 0xef, 0x24, 0x13, 0x44, 0x78,
|
|
0xdc, 0x34, 0x99, 0x69, 0x1a, 0xf6,
|
|
],
|
|
dk: [
|
|
0xbe, 0xcb, 0x50, 0xc3, 0x63, 0xbb, 0x2e, 0xd9, 0xda, 0x5c, 0x30, 0x43, 0xce,
|
|
0xb0, 0xf1, 0xa0, 0x52, 0x7b, 0xf8, 0x36, 0xb2, 0x9a, 0x35, 0xf7, 0xc0, 0xc9,
|
|
0xf2, 0x61, 0x12, 0x3b, 0xe5, 0x6e,
|
|
],
|
|
c: [
|
|
0x8d, 0x93, 0x7b, 0xcf, 0x81, 0xba, 0x43, 0x0d, 0x5b, 0x49, 0xaf, 0xc0, 0xa4,
|
|
0x03, 0x36, 0x7b, 0x1f, 0xd9, 0x98, 0x79, 0xec, 0xba, 0x41, 0xbe, 0x05, 0x1c,
|
|
0x5a, 0x4a, 0xa7, 0xd6, 0xe7, 0xe8,
|
|
],
|
|
ak: [
|
|
0xb1, 0x85, 0xc5, 0x7b, 0x50, 0x9c, 0x25, 0x36, 0xc4, 0xf2, 0xd3, 0x26, 0xd7,
|
|
0x66, 0xc8, 0xfa, 0xb2, 0x54, 0x47, 0xde, 0x53, 0x75, 0xa9, 0x32, 0x8d, 0x64,
|
|
0x9d, 0xda, 0xbd, 0x97, 0xa6, 0xa3,
|
|
],
|
|
nk: [
|
|
0xdb, 0x88, 0x04, 0x9e, 0x02, 0xd2, 0x07, 0x56, 0x8a, 0xfc, 0x42, 0xe0, 0x7d,
|
|
0xb2, 0xab, 0xed, 0x50, 0x0b, 0x27, 0x01, 0xc0, 0x1b, 0xbf, 0xf3, 0x63, 0x99,
|
|
0x76, 0x4b, 0x81, 0xc0, 0x66, 0x4f,
|
|
],
|
|
ivk: [
|
|
0xb0, 0xa5, 0xf3, 0x37, 0x23, 0x2f, 0x2c, 0x3d, 0xac, 0x70, 0xc2, 0xa4, 0x10,
|
|
0xfa, 0x56, 0x1f, 0xc4, 0x5d, 0x8c, 0xc5, 0x9c, 0xda, 0x24, 0x6d, 0x31, 0xc8,
|
|
0xb1, 0x71, 0x5a, 0x57, 0xd9, 0x00,
|
|
],
|
|
xsk: None,
|
|
xfvk: [
|
|
0x03, 0x48, 0xc1, 0x83, 0x75, 0x03, 0x00, 0x00, 0x00, 0x8d, 0x93, 0x7b, 0xcf,
|
|
0x81, 0xba, 0x43, 0x0d, 0x5b, 0x49, 0xaf, 0xc0, 0xa4, 0x03, 0x36, 0x7b, 0x1f,
|
|
0xd9, 0x98, 0x79, 0xec, 0xba, 0x41, 0xbe, 0x05, 0x1c, 0x5a, 0x4a, 0xa7, 0xd6,
|
|
0xe7, 0xe8, 0xb1, 0x85, 0xc5, 0x7b, 0x50, 0x9c, 0x25, 0x36, 0xc4, 0xf2, 0xd3,
|
|
0x26, 0xd7, 0x66, 0xc8, 0xfa, 0xb2, 0x54, 0x47, 0xde, 0x53, 0x75, 0xa9, 0x32,
|
|
0x8d, 0x64, 0x9d, 0xda, 0xbd, 0x97, 0xa6, 0xa3, 0xdb, 0x88, 0x04, 0x9e, 0x02,
|
|
0xd2, 0x07, 0x56, 0x8a, 0xfc, 0x42, 0xe0, 0x7d, 0xb2, 0xab, 0xed, 0x50, 0x0b,
|
|
0x27, 0x01, 0xc0, 0x1b, 0xbf, 0xf3, 0x63, 0x99, 0x76, 0x4b, 0x81, 0xc0, 0x66,
|
|
0x4f, 0x69, 0xb9, 0xe0, 0xfa, 0x1c, 0x4b, 0x3d, 0xeb, 0x91, 0xd5, 0x3b, 0xee,
|
|
0xe8, 0x71, 0x15, 0x61, 0x21, 0x47, 0x4b, 0x8b, 0x62, 0xef, 0x24, 0x13, 0x44,
|
|
0x78, 0xdc, 0x34, 0x99, 0x69, 0x1a, 0xf6, 0xbe, 0xcb, 0x50, 0xc3, 0x63, 0xbb,
|
|
0x2e, 0xd9, 0xda, 0x5c, 0x30, 0x43, 0xce, 0xb0, 0xf1, 0xa0, 0x52, 0x7b, 0xf8,
|
|
0x36, 0xb2, 0x9a, 0x35, 0xf7, 0xc0, 0xc9, 0xf2, 0x61, 0x12, 0x3b, 0xe5, 0x6e,
|
|
],
|
|
fp: [
|
|
0x2e, 0x08, 0x15, 0x6d, 0xf8, 0xdf, 0xa2, 0x5b, 0x50, 0x55, 0xfc, 0x06, 0x3c,
|
|
0x67, 0x15, 0x35, 0xa6, 0xa6, 0x5a, 0x60, 0x43, 0x7d, 0x96, 0xe7, 0x93, 0x08,
|
|
0x15, 0xd0, 0x90, 0xf6, 0x2d, 0x67,
|
|
],
|
|
d0: None,
|
|
d1: Some([
|
|
0x03, 0x0f, 0xfb, 0x26, 0x3a, 0x93, 0x9e, 0x23, 0x0e, 0x96, 0xdd,
|
|
]),
|
|
d2: Some([
|
|
0x7b, 0xbf, 0x63, 0x93, 0x4c, 0x7e, 0x92, 0x67, 0x0c, 0xdb, 0x55,
|
|
]),
|
|
dmax: Some([
|
|
0x1a, 0x73, 0x0f, 0xeb, 0x00, 0x59, 0xcf, 0x1f, 0x5b, 0xde, 0xa8,
|
|
]),
|
|
},
|
|
];
|
|
|
|
let seed = [
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
|
|
24, 25, 26, 27, 28, 29, 30, 31,
|
|
];
|
|
|
|
let i1 = ChildIndex::NonHardened(1);
|
|
let i2h = ChildIndex::Hardened(2);
|
|
let i3 = ChildIndex::NonHardened(3);
|
|
|
|
let m = ExtendedSpendingKey::master(&seed);
|
|
let m_1 = m.derive_child(i1);
|
|
let m_1_2h = ExtendedSpendingKey::from_path(&m, &[i1, i2h]);
|
|
let m_1_2hv = ExtendedFullViewingKey::from(&m_1_2h);
|
|
let m_1_2hv_3 = m_1_2hv.derive_child(i3).unwrap();
|
|
|
|
let xfvks = [
|
|
ExtendedFullViewingKey::from(&m),
|
|
ExtendedFullViewingKey::from(&m_1),
|
|
ExtendedFullViewingKey::from(&m_1_2h),
|
|
m_1_2hv, // Appears twice so we can de-duplicate test code below
|
|
m_1_2hv_3,
|
|
];
|
|
assert_eq!(test_vectors.len(), xfvks.len());
|
|
|
|
let xsks = [m, m_1, m_1_2h];
|
|
|
|
for j in 0..xsks.len() {
|
|
let xsk = &xsks[j];
|
|
let tv = &test_vectors[j];
|
|
|
|
let mut buf = [0; 32];
|
|
xsk.expsk.ask.into_repr().write_le(&mut buf[..]).unwrap();
|
|
assert_eq!(buf, tv.ask.unwrap());
|
|
xsk.expsk.nsk.into_repr().write_le(&mut buf[..]).unwrap();
|
|
assert_eq!(buf, tv.nsk.unwrap());
|
|
|
|
assert_eq!(xsk.expsk.ovk.0, tv.ovk);
|
|
assert_eq!(xsk.dk.0, tv.dk);
|
|
assert_eq!(xsk.chain_code.0, tv.c);
|
|
|
|
let mut ser = vec![];
|
|
xsk.write(&mut ser).unwrap();
|
|
assert_eq!(&ser[..], &tv.xsk.unwrap()[..]);
|
|
}
|
|
|
|
for j in 0..xfvks.len() {
|
|
let xfvk = &xfvks[j];
|
|
let tv = &test_vectors[j];
|
|
|
|
let mut buf = [0; 32];
|
|
xfvk.fvk.vk.ak.write(&mut buf[..]).unwrap();
|
|
assert_eq!(buf, tv.ak);
|
|
xfvk.fvk.vk.nk.write(&mut buf[..]).unwrap();
|
|
assert_eq!(buf, tv.nk);
|
|
|
|
assert_eq!(xfvk.fvk.ovk.0, tv.ovk);
|
|
assert_eq!(xfvk.dk.0, tv.dk);
|
|
assert_eq!(xfvk.chain_code.0, tv.c);
|
|
|
|
xfvk.fvk
|
|
.vk
|
|
.ivk()
|
|
.into_repr()
|
|
.write_le(&mut buf[..])
|
|
.unwrap();
|
|
assert_eq!(buf, tv.ivk);
|
|
|
|
let mut ser = vec![];
|
|
xfvk.write(&mut ser).unwrap();
|
|
assert_eq!(&ser[..], &tv.xfvk[..]);
|
|
assert_eq!(xfvk.fvk.fingerprint().0, tv.fp);
|
|
|
|
// d0
|
|
let mut di = DiversifierIndex::new();
|
|
match xfvk.dk.diversifier(di) {
|
|
Ok((l, d)) if l == di => assert_eq!(d.0, tv.d0.unwrap()),
|
|
Ok((_, _)) => assert!(tv.d0.is_none()),
|
|
Err(_) => panic!(),
|
|
}
|
|
|
|
// d1
|
|
di.increment().unwrap();
|
|
match xfvk.dk.diversifier(di) {
|
|
Ok((l, d)) if l == di => assert_eq!(d.0, tv.d1.unwrap()),
|
|
Ok((_, _)) => assert!(tv.d1.is_none()),
|
|
Err(_) => panic!(),
|
|
}
|
|
|
|
// d2
|
|
di.increment().unwrap();
|
|
match xfvk.dk.diversifier(di) {
|
|
Ok((l, d)) if l == di => assert_eq!(d.0, tv.d2.unwrap()),
|
|
Ok((_, _)) => assert!(tv.d2.is_none()),
|
|
Err(_) => panic!(),
|
|
}
|
|
|
|
// dmax
|
|
let dmax = DiversifierIndex([0xff; 11]);
|
|
match xfvk.dk.diversifier(dmax) {
|
|
Ok((l, d)) if l == dmax => assert_eq!(d.0, tv.dmax.unwrap()),
|
|
Ok((_, _)) => panic!(),
|
|
Err(_) => assert!(tv.dmax.is_none()),
|
|
}
|
|
}
|
|
}
|
|
}
|