cleanup for freeze
This commit is contained in:
Alex Vlasov
parent
03ec5d5ffa
commit
4db0a32f5b
243
Cargo.lock
generated
243
Cargo.lock
generated
@ -1,19 +1,17 @@
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@ -21,11 +19,6 @@ name = "bit-vec"
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@ -44,7 +37,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -76,7 +69,7 @@ dependencies = [
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[[package]]
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@ -84,9 +77,9 @@ name = "ff"
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[[package]]
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@ -97,24 +90,15 @@ dependencies = [
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[[package]]
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@ -128,7 +112,7 @@ version = "0.1.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -152,7 +136,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -172,7 +156,7 @@ name = "itertools"
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@ -180,18 +164,9 @@ name = "itoa"
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[[package]]
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@ -199,7 +174,7 @@ name = "memmap"
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@ -232,54 +207,42 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -299,7 +262,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -307,37 +270,44 @@ dependencies = [
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[[package]]
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[[package]]
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@ -345,30 +315,22 @@ name = "rdrand"
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@ -385,27 +347,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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22
Cargo.toml
22
Cargo.toml
@ -1,14 +1,14 @@
|
||||
[package]
|
||||
name = "powersoftau"
|
||||
version = "0.1.2"
|
||||
version = "0.2.0"
|
||||
authors = ["Sean Bowe", "Alex Vlasov"]
|
||||
license = "MIT/Apache-2.0"
|
||||
edition = "2018"
|
||||
|
||||
description = "Communal zk-SNARK MPC for Public Parameters"
|
||||
documentation = "https://docs.rs/powersoftau/"
|
||||
homepage = "https://github.com/matterinc/powersoftau"
|
||||
repository = "https://github.com/matterinc/powersoftau"
|
||||
homepage = "https://github.com/matter-labs/powersoftau"
|
||||
repository = "https://github.com/matter-labs/powersoftau"
|
||||
|
||||
[dependencies]
|
||||
rand = "0.4"
|
||||
@ -24,13 +24,19 @@ rust-crypto = "0.2"
|
||||
memmap = "0.7.0"
|
||||
itertools = "0.8.0"
|
||||
|
||||
#ff = { path = "../ff", features = ["derive"] }
|
||||
#pairing = { path = "../pairing", features = ["expose-arith"]}
|
||||
#bellman = { path = "../bellman" }
|
||||
|
||||
ff = { git = 'https://github.com/matterinc/ff', features = ["derive"] }
|
||||
pairing = { git = 'https://github.com/matterinc/pairing', features = ["expose-arith"] }
|
||||
pairing = { git = 'https://github.com/matterinc/pairing', features = ["expose-arith"]}
|
||||
bellman = { git = 'https://github.com/matterinc/bellman'}
|
||||
|
||||
#ff = { git = 'https://github.com/matterinc/ff', features = ["derive"], rev = "056a13b9" }
|
||||
#pairing = { git = 'https://github.com/matterinc/pairing', features = ["expose-arith"], rev = "84b57df3" }
|
||||
#bellman = { git = 'https://github.com/matterinc/bellman', rev = "e775b47d"}
|
||||
|
||||
#[patch.'https://https://github.com/matterinc/ff']
|
||||
#ff = { git = 'https://github.com/matterinc/ff', features = ["derive"], rev = "056a13b9" }
|
||||
|
||||
#[patch.'https://https://github.com/matterinc/pairing']
|
||||
#pairing = { git = 'https://github.com/matterinc/pairing', features = ["expose-arith"], rev = "84b57df3" }
|
||||
|
||||
[features]
|
||||
|
||||
|
||||
@ -432,10 +432,6 @@ impl<E:Engine, P: PowersOfTauParameters> BachedAccumulator<E, P> {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
// fn read_point<ENC: EncodedPoint>(
|
||||
|
||||
// ) ->
|
||||
|
||||
fn read_points_chunk<ENC: EncodedPoint>(
|
||||
&mut self,
|
||||
from: usize,
|
||||
|
||||
@ -1,142 +0,0 @@
|
||||
extern crate powersoftau;
|
||||
extern crate rand;
|
||||
extern crate blake2;
|
||||
extern crate byteorder;
|
||||
|
||||
#[macro_use]
|
||||
extern crate hex_literal;
|
||||
|
||||
extern crate crypto;
|
||||
|
||||
use powersoftau::*;
|
||||
|
||||
use std::fs::OpenOptions;
|
||||
use std::io::{Read, BufReader, Write, BufWriter};
|
||||
|
||||
fn main() {
|
||||
// Create an RNG based on the outcome of the random beacon
|
||||
let mut rng = {
|
||||
use byteorder::{ReadBytesExt, BigEndian};
|
||||
use rand::{SeedableRng};
|
||||
use rand::chacha::ChaChaRng;
|
||||
use crypto::sha2::Sha256;
|
||||
use crypto::digest::Digest;
|
||||
|
||||
// Place block hash here (block number #514200)
|
||||
let mut cur_hash: [u8; 32] = hex!("00000000000000000034b33e842ac1c50456abe5fa92b60f6b3dfc5d247f7b58");
|
||||
|
||||
// Performs 2^n hash iterations over it
|
||||
const N: usize = 42;
|
||||
|
||||
for i in 0..(1u64<<N) {
|
||||
// Print 1024 of the interstitial states
|
||||
// so that verification can be
|
||||
// parallelized
|
||||
if i % (1u64<<(N-10)) == 0 {
|
||||
print!("{}: ", i);
|
||||
for b in cur_hash.iter() {
|
||||
print!("{:02x}", b);
|
||||
}
|
||||
println!("");
|
||||
}
|
||||
|
||||
let mut h = Sha256::new();
|
||||
h.input(&cur_hash);
|
||||
h.result(&mut cur_hash);
|
||||
}
|
||||
|
||||
print!("Final result of beacon: ");
|
||||
for b in cur_hash.iter() {
|
||||
print!("{:02x}", b);
|
||||
}
|
||||
println!("");
|
||||
|
||||
let mut digest = &cur_hash[..];
|
||||
|
||||
let mut seed = [0u32; 8];
|
||||
for i in 0..8 {
|
||||
seed[i] = digest.read_u32::<BigEndian>().expect("digest is large enough for this to work");
|
||||
}
|
||||
|
||||
ChaChaRng::from_seed(&seed)
|
||||
};
|
||||
|
||||
// Try to load `./challenge` from disk.
|
||||
let reader = OpenOptions::new()
|
||||
.read(true)
|
||||
.open("challenge").expect("unable open `./challenge` in this directory");
|
||||
|
||||
{
|
||||
let metadata = reader.metadata().expect("unable to get filesystem metadata for `./challenge`");
|
||||
if metadata.len() != (ACCUMULATOR_BYTE_SIZE as u64) {
|
||||
panic!("The size of `./challenge` should be {}, but it's {}, so something isn't right.", ACCUMULATOR_BYTE_SIZE, metadata.len());
|
||||
}
|
||||
}
|
||||
|
||||
let reader = BufReader::new(reader);
|
||||
let mut reader = HashReader::new(reader);
|
||||
|
||||
// Create `./response` in this directory
|
||||
let writer = OpenOptions::new()
|
||||
.read(false)
|
||||
.write(true)
|
||||
.create_new(true)
|
||||
.open("response").expect("unable to create `./response` in this directory");
|
||||
|
||||
let writer = BufWriter::new(writer);
|
||||
let mut writer = HashWriter::new(writer);
|
||||
|
||||
println!("Reading `./challenge` into memory...");
|
||||
|
||||
// Read the BLAKE2b hash of the previous contribution
|
||||
{
|
||||
// We don't need to do anything with it, but it's important for
|
||||
// the hash chain.
|
||||
let mut tmp = [0; 64];
|
||||
reader.read_exact(&mut tmp).expect("unable to read BLAKE2b hash of previous contribution");
|
||||
}
|
||||
|
||||
// Load the current accumulator into memory
|
||||
let mut current_accumulator = Accumulator::deserialize(&mut reader, UseCompression::No, CheckForCorrectness::No).expect("unable to read uncompressed accumulator");
|
||||
|
||||
// Get the hash of the current accumulator
|
||||
let current_accumulator_hash = reader.into_hash();
|
||||
|
||||
// Construct our keypair using the RNG we created above
|
||||
let (pubkey, privkey) = keypair(&mut rng, current_accumulator_hash.as_ref());
|
||||
|
||||
// Perform the transformation
|
||||
println!("Computing, this could take a while...");
|
||||
current_accumulator.transform(&privkey);
|
||||
println!("Writing your contribution to `./response`...");
|
||||
|
||||
// Write the hash of the input accumulator
|
||||
writer.write_all(¤t_accumulator_hash.as_ref()).expect("unable to write BLAKE2b hash of input accumulator");
|
||||
|
||||
// Write the transformed accumulator (in compressed form, to save upload bandwidth for disadvantaged
|
||||
// players.)
|
||||
current_accumulator.serialize(&mut writer, UseCompression::Yes).expect("unable to write transformed accumulator");
|
||||
|
||||
// Write the public key
|
||||
pubkey.serialize(&mut writer).expect("unable to write public key");
|
||||
|
||||
// Get the hash of the contribution, so the user can compare later
|
||||
let contribution_hash = writer.into_hash();
|
||||
|
||||
print!("Done!\n\n\
|
||||
Your contribution has been written to `./response`\n\n\
|
||||
The BLAKE2b hash of `./response` is:\n");
|
||||
|
||||
for line in contribution_hash.as_slice().chunks(16) {
|
||||
print!("\t");
|
||||
for section in line.chunks(4) {
|
||||
for b in section {
|
||||
print!("{:02x}", b);
|
||||
}
|
||||
print!(" ");
|
||||
}
|
||||
println!("");
|
||||
}
|
||||
|
||||
println!("\n");
|
||||
}
|
||||
@ -40,26 +40,24 @@ fn main() {
|
||||
use crypto::sha2::Sha256;
|
||||
use crypto::digest::Digest;
|
||||
|
||||
// Place block hash here (block number #514200)
|
||||
let mut cur_hash: [u8; 32] = hex!("00000000000000000034b33e842ac1c50456abe5fa92b60f6b3dfc5d247f7b58");
|
||||
// Place block hash here (block number #564321)
|
||||
let mut cur_hash: [u8; 32] = hex!("0000000000000000000a558a61ddc8ee4e488d647a747fe4dcc362fe2026c620");
|
||||
|
||||
// Performs 2^n hash iterations over it
|
||||
// const N: usize = 42;
|
||||
|
||||
const N: usize = 16;
|
||||
const N: usize = 31;
|
||||
|
||||
for i in 0..(1u64<<N) {
|
||||
// Print 1024 of the interstitial states
|
||||
// so that verification can be
|
||||
// parallelized
|
||||
|
||||
// if i % (1u64<<(N-10)) == 0 {
|
||||
// print!("{}: ", i);
|
||||
// for b in cur_hash.iter() {
|
||||
// print!("{:02x}", b);
|
||||
// }
|
||||
// println!("");
|
||||
// }
|
||||
if i % (1u64<<(N-10)) == 0 {
|
||||
print!("{}: ", i);
|
||||
for b in cur_hash.iter() {
|
||||
print!("{:02x}", b);
|
||||
}
|
||||
println!("");
|
||||
}
|
||||
|
||||
let mut h = Sha256::new();
|
||||
h.input(&cur_hash);
|
||||
|
||||
@ -1,128 +0,0 @@
|
||||
extern crate powersoftau;
|
||||
extern crate rand;
|
||||
extern crate blake2;
|
||||
extern crate byteorder;
|
||||
|
||||
use powersoftau::*;
|
||||
|
||||
use std::fs::OpenOptions;
|
||||
use std::io::{self, Read, BufReader, Write, BufWriter};
|
||||
|
||||
fn main() {
|
||||
// Create an RNG based on a mixture of system randomness and user provided randomness
|
||||
let mut rng = {
|
||||
use byteorder::{ReadBytesExt, BigEndian};
|
||||
use blake2::{Blake2b, Digest};
|
||||
use rand::{SeedableRng, Rng, OsRng};
|
||||
use rand::chacha::ChaChaRng;
|
||||
|
||||
let h = {
|
||||
let mut system_rng = OsRng::new().unwrap();
|
||||
let mut h = Blake2b::default();
|
||||
|
||||
// Gather 1024 bytes of entropy from the system
|
||||
for _ in 0..1024 {
|
||||
let r: u8 = system_rng.gen();
|
||||
h.input(&[r]);
|
||||
}
|
||||
|
||||
// Ask the user to provide some information for additional entropy
|
||||
let mut user_input = String::new();
|
||||
println!("Type some random text and press [ENTER] to provide additional entropy...");
|
||||
io::stdin().read_line(&mut user_input).expect("expected to read some random text from the user");
|
||||
|
||||
// Hash it all up to make a seed
|
||||
h.input(&user_input.as_bytes());
|
||||
h.result()
|
||||
};
|
||||
|
||||
let mut digest = &h[..];
|
||||
|
||||
// Interpret the first 32 bytes of the digest as 8 32-bit words
|
||||
let mut seed = [0u32; 8];
|
||||
for i in 0..8 {
|
||||
seed[i] = digest.read_u32::<BigEndian>().expect("digest is large enough for this to work");
|
||||
}
|
||||
|
||||
ChaChaRng::from_seed(&seed)
|
||||
};
|
||||
|
||||
// Try to load `./challenge` from disk.
|
||||
let reader = OpenOptions::new()
|
||||
.read(true)
|
||||
.open("challenge").expect("unable open `./challenge` in this directory");
|
||||
|
||||
{
|
||||
let metadata = reader.metadata().expect("unable to get filesystem metadata for `./challenge`");
|
||||
if metadata.len() != (ACCUMULATOR_BYTE_SIZE as u64) {
|
||||
panic!("The size of `./challenge` should be {}, but it's {}, so something isn't right.", ACCUMULATOR_BYTE_SIZE, metadata.len());
|
||||
}
|
||||
}
|
||||
|
||||
let reader = BufReader::new(reader);
|
||||
let mut reader = HashReader::new(reader);
|
||||
|
||||
// Create `./response` in this directory
|
||||
let writer = OpenOptions::new()
|
||||
.read(false)
|
||||
.write(true)
|
||||
.create_new(true)
|
||||
.open("response").expect("unable to create `./response` in this directory");
|
||||
|
||||
let writer = BufWriter::new(writer);
|
||||
let mut writer = HashWriter::new(writer);
|
||||
|
||||
println!("Reading `./challenge` into memory...");
|
||||
|
||||
// Read the BLAKE2b hash of the previous contribution
|
||||
{
|
||||
// We don't need to do anything with it, but it's important for
|
||||
// the hash chain.
|
||||
let mut tmp = [0; 64];
|
||||
reader.read_exact(&mut tmp).expect("unable to read BLAKE2b hash of previous contribution");
|
||||
}
|
||||
|
||||
// Load the current accumulator into memory
|
||||
let mut current_accumulator = Accumulator::deserialize(&mut reader, UseCompression::No, CheckForCorrectness::No).expect("unable to read uncompressed accumulator");
|
||||
|
||||
// Get the hash of the current accumulator
|
||||
let current_accumulator_hash = reader.into_hash();
|
||||
|
||||
// Construct our keypair using the RNG we created above
|
||||
let (pubkey, privkey) = keypair(&mut rng, current_accumulator_hash.as_ref());
|
||||
|
||||
// Perform the transformation
|
||||
println!("Computing, this could take a while...");
|
||||
current_accumulator.transform(&privkey);
|
||||
println!("Writing your contribution to `./response`...");
|
||||
|
||||
// Write the hash of the input accumulator
|
||||
writer.write_all(¤t_accumulator_hash.as_ref()).expect("unable to write BLAKE2b hash of input accumulator");
|
||||
|
||||
// Write the transformed accumulator (in compressed form, to save upload bandwidth for disadvantaged
|
||||
// players.)
|
||||
current_accumulator.serialize(&mut writer, UseCompression::Yes).expect("unable to write transformed accumulator");
|
||||
|
||||
// Write the public key
|
||||
pubkey.serialize(&mut writer).expect("unable to write public key");
|
||||
|
||||
// Get the hash of the contribution, so the user can compare later
|
||||
let contribution_hash = writer.into_hash();
|
||||
|
||||
print!("Done!\n\n\
|
||||
Your contribution has been written to `./response`\n\n\
|
||||
The BLAKE2b hash of `./response` is:\n");
|
||||
|
||||
for line in contribution_hash.as_slice().chunks(16) {
|
||||
print!("\t");
|
||||
for section in line.chunks(4) {
|
||||
for b in section {
|
||||
print!("{:02x}", b);
|
||||
}
|
||||
print!(" ");
|
||||
}
|
||||
println!("");
|
||||
}
|
||||
|
||||
println!("\n");
|
||||
}
|
||||
@ -19,9 +19,9 @@ use std::io::Write;
|
||||
|
||||
use powersoftau::parameters::PowersOfTauParameters;
|
||||
|
||||
const input_is_compressed: UseCompression = UseCompression::No;
|
||||
const compress_the_output: UseCompression = UseCompression::Yes;
|
||||
const check_input_correctness: CheckForCorrectness = CheckForCorrectness::No;
|
||||
const INPUT_IS_COMPRESSED: UseCompression = UseCompression::No;
|
||||
const COMPRESS_THE_OUTPUT: UseCompression = UseCompression::Yes;
|
||||
const CHECK_INPUT_CORRECTNESS: CheckForCorrectness = CheckForCorrectness::No;
|
||||
|
||||
fn main() {
|
||||
println!("Will contribute to accumulator for 2^{} powers of tau", Bn256CeremonyParameters::REQUIRED_POWER);
|
||||
@ -72,7 +72,7 @@ fn main() {
|
||||
|
||||
{
|
||||
let metadata = reader.metadata().expect("unable to get filesystem metadata for `./challenge`");
|
||||
let expected_challenge_length = match input_is_compressed {
|
||||
let expected_challenge_length = match INPUT_IS_COMPRESSED {
|
||||
UseCompression::Yes => {
|
||||
Bn256CeremonyParameters::CONTRIBUTION_BYTE_SIZE
|
||||
},
|
||||
@ -95,7 +95,7 @@ fn main() {
|
||||
.create_new(true)
|
||||
.open("response").expect("unable to create `./response` in this directory");
|
||||
|
||||
let required_output_length = match compress_the_output {
|
||||
let required_output_length = match COMPRESS_THE_OUTPUT {
|
||||
UseCompression::Yes => {
|
||||
Bn256CeremonyParameters::CONTRIBUTION_BYTE_SIZE
|
||||
},
|
||||
@ -110,7 +110,7 @@ fn main() {
|
||||
|
||||
println!("Calculating previous contribution hash...");
|
||||
|
||||
assert!(UseCompression::No == input_is_compressed, "Hashing the compressed file in not yet defined");
|
||||
assert!(UseCompression::No == INPUT_IS_COMPRESSED, "Hashing the compressed file in not yet defined");
|
||||
let current_accumulator_hash = BachedAccumulator::<Bn256, Bn256CeremonyParameters>::calculate_hash(&readable_map);
|
||||
|
||||
{
|
||||
@ -141,16 +141,16 @@ fn main() {
|
||||
BachedAccumulator::<Bn256, Bn256CeremonyParameters>::transform(
|
||||
&readable_map,
|
||||
&mut writable_map,
|
||||
input_is_compressed,
|
||||
compress_the_output,
|
||||
check_input_correctness,
|
||||
INPUT_IS_COMPRESSED,
|
||||
COMPRESS_THE_OUTPUT,
|
||||
CHECK_INPUT_CORRECTNESS,
|
||||
&privkey
|
||||
).expect("must transform with the key");
|
||||
|
||||
println!("Finihsing writing your contribution to `./response`...");
|
||||
|
||||
// Write the public key
|
||||
pubkey.write::<Bn256CeremonyParameters>(&mut writable_map, compress_the_output).expect("unable to write public key");
|
||||
pubkey.write::<Bn256CeremonyParameters>(&mut writable_map, COMPRESS_THE_OUTPUT).expect("unable to write public key");
|
||||
|
||||
writable_map.flush().expect("must flush a memory map");
|
||||
|
||||
|
||||
@ -1,24 +0,0 @@
|
||||
extern crate powersoftau;
|
||||
use powersoftau::*;
|
||||
|
||||
use std::fs::OpenOptions;
|
||||
use std::io::{Write, BufWriter};
|
||||
|
||||
fn main() {
|
||||
let writer = OpenOptions::new()
|
||||
.read(false)
|
||||
.write(true)
|
||||
.create_new(true)
|
||||
.open("challenge").expect("unable to create `./challenge`");
|
||||
|
||||
let mut writer = BufWriter::new(writer);
|
||||
|
||||
// Write a blank BLAKE2b hash:
|
||||
writer.write_all(&blank_hash().as_slice()).expect("unable to write blank hash to `./challenge`");
|
||||
|
||||
let acc = Accumulator::new();
|
||||
acc.serialize(&mut writer, UseCompression::No).expect("unable to write fresh accumulator to `./challenge`");
|
||||
writer.flush().expect("unable to flush accumulator to disk");
|
||||
|
||||
println!("Wrote a fresh accumulator to `./challenge`");
|
||||
}
|
||||
@ -1,117 +0,0 @@
|
||||
extern crate powersoftau;
|
||||
use powersoftau::*;
|
||||
|
||||
use std::fs::OpenOptions;
|
||||
use std::io::{Read, Write, BufWriter, BufReader};
|
||||
|
||||
fn main() {
|
||||
// Try to load `./challenge` from disk.
|
||||
let challenge_reader = OpenOptions::new()
|
||||
.read(true)
|
||||
.open("challenge").expect("unable open `./challenge` in this directory");
|
||||
|
||||
{
|
||||
let metadata = challenge_reader.metadata().expect("unable to get filesystem metadata for `./challenge`");
|
||||
if metadata.len() != (ACCUMULATOR_BYTE_SIZE as u64) {
|
||||
panic!("The size of `./challenge` should be {}, but it's {}, so something isn't right.", ACCUMULATOR_BYTE_SIZE, metadata.len());
|
||||
}
|
||||
}
|
||||
|
||||
let challenge_reader = BufReader::new(challenge_reader);
|
||||
let mut challenge_reader = HashReader::new(challenge_reader);
|
||||
|
||||
// Try to load `./response` from disk.
|
||||
let response_reader = OpenOptions::new()
|
||||
.read(true)
|
||||
.open("response").expect("unable open `./response` in this directory");
|
||||
|
||||
{
|
||||
let metadata = response_reader.metadata().expect("unable to get filesystem metadata for `./response`");
|
||||
if metadata.len() != (CONTRIBUTION_BYTE_SIZE as u64) {
|
||||
panic!("The size of `./response` should be {}, but it's {}, so something isn't right.", CONTRIBUTION_BYTE_SIZE, metadata.len());
|
||||
}
|
||||
}
|
||||
|
||||
let response_reader = BufReader::new(response_reader);
|
||||
let mut response_reader = HashReader::new(response_reader);
|
||||
|
||||
// Create new_challenge file
|
||||
let writer = OpenOptions::new()
|
||||
.read(false)
|
||||
.write(true)
|
||||
.create_new(true)
|
||||
.open("new_challenge").expect("unable to create `./new_challenge`");
|
||||
|
||||
let mut writer = BufWriter::new(writer);
|
||||
|
||||
// Deserialize the current challenge
|
||||
|
||||
// Read the BLAKE2b hash of the previous contribution
|
||||
{
|
||||
// We don't need to do anything with it, but it's important for
|
||||
// the hash chain.
|
||||
let mut tmp = [0; 64];
|
||||
challenge_reader.read_exact(&mut tmp).expect("unable to read BLAKE2b hash of previous contribution");
|
||||
}
|
||||
|
||||
// Load the current accumulator into memory
|
||||
let current_accumulator = Accumulator::deserialize(
|
||||
&mut challenge_reader,
|
||||
UseCompression::No,
|
||||
CheckForCorrectness::No // no need to check since we constructed the challenge already
|
||||
).expect("unable to read uncompressed accumulator");
|
||||
|
||||
// Get the hash of the current accumulator
|
||||
let current_accumulator_hash = challenge_reader.into_hash();
|
||||
|
||||
// Load the response into memory
|
||||
|
||||
// Check the hash chain
|
||||
{
|
||||
let mut response_challenge_hash = [0; 64];
|
||||
response_reader.read_exact(&mut response_challenge_hash).expect("couldn't read hash of challenge file from response file");
|
||||
|
||||
if &response_challenge_hash[..] != current_accumulator_hash.as_slice() {
|
||||
panic!("Hash chain failure. This is not the right response.");
|
||||
}
|
||||
}
|
||||
|
||||
// Load the response's accumulator
|
||||
let new_accumulator = Accumulator::deserialize(&mut response_reader, UseCompression::Yes, CheckForCorrectness::Yes)
|
||||
.expect("wasn't able to deserialize the response file's accumulator");
|
||||
|
||||
// Load the response's pubkey
|
||||
let public_key = PublicKey::deserialize(&mut response_reader)
|
||||
.expect("wasn't able to deserialize the response file's public key");
|
||||
|
||||
// Get the hash of the response file
|
||||
let response_hash = response_reader.into_hash();
|
||||
|
||||
if !verify_transform(¤t_accumulator, &new_accumulator, &public_key, current_accumulator_hash.as_slice()) {
|
||||
println!("Verification failed, contribution was invalid somehow.");
|
||||
panic!("INVALID CONTRIBUTION!!!");
|
||||
} else {
|
||||
println!("Verification succeeded!");
|
||||
}
|
||||
|
||||
println!("Here's the BLAKE2b hash of the participant's response file:");
|
||||
|
||||
for line in response_hash.as_slice().chunks(16) {
|
||||
print!("\t");
|
||||
for section in line.chunks(4) {
|
||||
for b in section {
|
||||
print!("{:02x}", b);
|
||||
}
|
||||
print!(" ");
|
||||
}
|
||||
println!("");
|
||||
}
|
||||
|
||||
println!("Verification succeeded! Writing to `./new_challenge`...");
|
||||
|
||||
writer.write_all(response_hash.as_slice()).expect("couldn't write response file's hash into the `./new_challenge` file");
|
||||
new_accumulator.serialize(&mut writer, UseCompression::No).expect("unable to write uncompressed accumulator into the `./new_challenge` file");
|
||||
|
||||
println!("Done! `./new_challenge` contains the new challenge file. The other files");
|
||||
println!("were left alone.");
|
||||
}
|
||||
5
test.sh
5
test.sh
@ -7,13 +7,12 @@ rm challenge_old
|
||||
rm response_old
|
||||
|
||||
cargo run --release --bin new_constrained
|
||||
cargo run --release --bin beacon_constrained
|
||||
cargo run --release --bin compute_constrained
|
||||
cargo run --release --bin verify_transform_constrained
|
||||
|
||||
mv challenge challenge_old
|
||||
mv response response_old
|
||||
|
||||
mv new_challenge challenge
|
||||
|
||||
cargo run --release --bin compute_constrained
|
||||
cargo run --release --bin beacon_constrained
|
||||
cargo run --release --bin verify_transform_constrained
|
||||
Loading…
Reference in New Issue
Block a user