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Accept filenames as command line arguments

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poma 2020-01-08 19:39:29 +07:00
parent a49ebce8f1
commit e8b14ddb00
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GPG Key ID: BA20CB01FE165657
10 changed files with 155 additions and 79 deletions
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7
powersoftau/Cargo.lock generated
View File

@ -147,6 +147,11 @@ name = "either"
version = "1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "exitcode"
version = "1.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "ff_ce"
version = "0.7.1"
@ -310,6 +315,7 @@ dependencies = [
"blake2 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
"byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"crossbeam 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"exitcode 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
"generic-array 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
"hex-literal 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
"itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@ -490,6 +496,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum crypto-mac 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "779015233ac67d65098614aec748ac1c756ab6677fa2e14cf8b37c08dfed1198"
"checksum digest 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e5b29bf156f3f4b3c4f610a25ff69370616ae6e0657d416de22645483e72af0a"
"checksum either 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c67353c641dc847124ea1902d69bd753dee9bb3beff9aa3662ecf86c971d1fac"
"checksum exitcode 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "de853764b47027c2e862a995c34978ffa63c1501f2e15f987ba11bd4f9bba193"
"checksum ff_ce 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "18af1ea1b80a4b474fae13af4c58cf0a5a2bc33832d5fa70f68a4b286178fdb5"
"checksum ff_derive_ce 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1d245b4e76c5b36bb7721ea15b7fbc61bebf0c5d2890eaf49fe1e2a3eed36db9"
"checksum fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"

1
powersoftau/Cargo.toml
View File

@ -20,6 +20,7 @@ typenum = "1.9.0"
byteorder = "1.1.0"
hex-literal = "0.1"
rust-crypto = "0.2"
exitcode = "1.1.2"
memmap = "0.7.0"
itertools = "0.8.0"

30
powersoftau/src/bin/beacon_constrained.rs
View File

@ -28,6 +28,14 @@ const CHECK_INPUT_CORRECTNESS: CheckForCorrectness = CheckForCorrectness::No;
fn main() {
let args: Vec<String> = std::env::args().collect();
if args.len() != 3 {
println!("Usage: \n<challenge_file> <response_file>");
std::process::exit(exitcode::USAGE);
}
let challenge_filename = &args[1];
let response_filename = &args[2];
println!("Will contribute a random beacon to accumulator for 2^{} powers of tau", Bn256CeremonyParameters::REQUIRED_POWER);
println!("In total will generate up to {} powers", Bn256CeremonyParameters::TAU_POWERS_G1_LENGTH);
@ -81,13 +89,14 @@ fn main() {
println!("Done creating a beacon RNG");
// Try to load `./challenge` from disk.
// Try to load challenge file from disk.
let reader = OpenOptions::new()
.read(true)
.open("challenge").expect("unable open `./challenge` in this directory");
.open(challenge_filename)
.expect("unable open challenge file in this directory");
{
let metadata = reader.metadata().expect("unable to get filesystem metadata for `./challenge`");
let metadata = reader.metadata().expect("unable to get filesystem metadata for challenge file");
let expected_challenge_length = match INPUT_IS_COMPRESSED {
UseCompression::Yes => {
Bn256CeremonyParameters::CONTRIBUTION_BYTE_SIZE
@ -98,18 +107,19 @@ fn main() {
};
if metadata.len() != (expected_challenge_length as u64) {
panic!("The size of `./challenge` should be {}, but it's {}, so something isn't right.", expected_challenge_length, metadata.len());
panic!("The size of challenge file should be {}, but it's {}, so something isn't right.", expected_challenge_length, metadata.len());
}
}
let readable_map = unsafe { MmapOptions::new().map(&reader).expect("unable to create a memory map for input") };
// Create `./response` in this directory
// Create response file in this directory
let writer = OpenOptions::new()
.read(true)
.write(true)
.create_new(true)
.open("response").expect("unable to create `./response` in this directory");
.open(response_filename)
.expect("unable to create response file in this directory");
let required_output_length = match COMPRESS_THE_OUTPUT {
UseCompression::Yes => {
@ -143,7 +153,7 @@ fn main() {
(&mut writable_map[0..]).write(current_accumulator_hash.as_slice()).expect("unable to write a challenge hash to mmap");
writable_map.flush().expect("unable to write hash to `./response`");
writable_map.flush().expect("unable to write hash to response file");
}
// Construct our keypair using the RNG we created above
@ -161,7 +171,7 @@ fn main() {
CHECK_INPUT_CORRECTNESS,
&privkey
).expect("must transform with the key");
println!("Finihsing writing your contribution to `./response`...");
println!("Finishing writing your contribution to response file...");
// Write the public key
pubkey.write::<Bn256CeremonyParameters>(&mut writable_map, COMPRESS_THE_OUTPUT).expect("unable to write public key");
@ -171,8 +181,8 @@ fn main() {
let contribution_hash = BachedAccumulator::<Bn256, Bn256CeremonyParameters>::calculate_hash(&output_readonly);
print!("Done!\n\n\
Your contribution has been written to `./response`\n\n\
The BLAKE2b hash of `./response` is:\n");
Your contribution has been written to response file\n\n\
The BLAKE2b hash of response file is:\n");
for line in contribution_hash.as_slice().chunks(16) {
print!("\t");

32
powersoftau/src/bin/compute_constrained.rs
View File

@ -4,6 +4,7 @@ extern crate memmap;
extern crate rand;
extern crate blake2;
extern crate byteorder;
extern crate exitcode;
use powersoftau::bn256::{Bn256CeremonyParameters};
use powersoftau::batched_accumulator::{BachedAccumulator};
@ -23,6 +24,14 @@ const COMPRESS_THE_OUTPUT: UseCompression = UseCompression::Yes;
const CHECK_INPUT_CORRECTNESS: CheckForCorrectness = CheckForCorrectness::No;
fn main() {
let args: Vec<String> = std::env::args().collect();
if args.len() != 3 {
println!("Usage: \n<challenge_file> <response_file>");
std::process::exit(exitcode::USAGE);
}
let challenge_filename = &args[1];
let response_filename = &args[2];
println!("Will contribute to accumulator for 2^{} powers of tau", Bn256CeremonyParameters::REQUIRED_POWER);
println!("In total will generate up to {} powers", Bn256CeremonyParameters::TAU_POWERS_G1_LENGTH);
@ -64,13 +73,13 @@ fn main() {
ChaChaRng::from_seed(&seed)
};
// Try to load `./challenge` from disk.
// Try to load challenge file from disk.
let reader = OpenOptions::new()
.read(true)
.open("challenge").expect("unable open `./challenge` in this directory");
.open(challenge_filename)
.expect("unable open challenge file");
{
let metadata = reader.metadata().expect("unable to get filesystem metadata for `./challenge`");
let metadata = reader.metadata().expect("unable to get filesystem metadata for challenge file");
let expected_challenge_length = match INPUT_IS_COMPRESSED {
UseCompression::Yes => {
Bn256CeremonyParameters::CONTRIBUTION_BYTE_SIZE
@ -81,18 +90,19 @@ fn main() {
};
if metadata.len() != (expected_challenge_length as u64) {
panic!("The size of `./challenge` should be {}, but it's {}, so something isn't right.", expected_challenge_length, metadata.len());
panic!("The size of challenge file should be {}, but it's {}, so something isn't right.", expected_challenge_length, metadata.len());
}
}
let readable_map = unsafe { MmapOptions::new().map(&reader).expect("unable to create a memory map for input") };
// Create `./response` in this directory
// Create response file in this directory
let writer = OpenOptions::new()
.read(true)
.write(true)
.create_new(true)
.open("response").expect("unable to create `./response` in this directory");
.open(response_filename)
.expect("unable to create response file");
let required_output_length = match COMPRESS_THE_OUTPUT {
UseCompression::Yes => {
@ -127,7 +137,7 @@ fn main() {
(&mut writable_map[0..]).write(current_accumulator_hash.as_slice()).expect("unable to write a challenge hash to mmap");
writable_map.flush().expect("unable to write hash to `./response`");
writable_map.flush().expect("unable to write hash to response file");
}
{
@ -164,7 +174,7 @@ fn main() {
&privkey
).expect("must transform with the key");
println!("Finihsing writing your contribution to `./response`...");
println!("Finishing writing your contribution to response file...");
// Write the public key
pubkey.write::<Bn256CeremonyParameters>(&mut writable_map, COMPRESS_THE_OUTPUT).expect("unable to write public key");
@ -176,8 +186,8 @@ fn main() {
let contribution_hash = BachedAccumulator::<Bn256, Bn256CeremonyParameters>::calculate_hash(&output_readonly);
print!("Done!\n\n\
Your contribution has been written to `./response`\n\n\
The BLAKE2b hash of `./response` is:\n");
Your contribution has been written to response file\n\n\
The BLAKE2b hash of response file is:\n");
for line in contribution_hash.as_slice().chunks(16) {
print!("\t");

20
powersoftau/src/bin/new.rs
View File

@ -11,23 +11,31 @@ use std::io::{Write, BufWriter};
use bellman_ce::pairing::bn256::Bn256;
fn main() {
let writer = OpenOptions::new()
let args: Vec<String> = std::env::args().collect();
if args.len() != 2 {
println!("Usage: \n<challenge_file>");
std::process::exit(exitcode::USAGE);
}
let challenge_filename = &args[1];
let file = OpenOptions::new()
.read(false)
.write(true)
.create_new(true)
.open("challenge").expect("unable to create `./challenge`");
.open(challenge_filename)
.expect("unable to create challenge file");
let mut writer = BufWriter::new(writer);
let mut writer = BufWriter::new(file);
// Write a blank BLAKE2b hash:
writer.write_all(&blank_hash().as_slice()).expect("unable to write blank hash to `./challenge`");
writer.write_all(&blank_hash().as_slice()).expect("unable to write blank hash to challenge file");
let parameters = Bn256CeremonyParameters{};
let acc: Accumulator<Bn256, _> = Accumulator::new(parameters);
println!("Writing an empty accumulator to disk");
acc.serialize(&mut writer, UseCompression::No).expect("unable to write fresh accumulator to `./challenge`");
acc.serialize(&mut writer, UseCompression::No).expect("unable to write fresh accumulator to challenge file");
writer.flush().expect("unable to flush accumulator to disk");
println!("Wrote a fresh accumulator to `./challenge`");
println!("Wrote a fresh accumulator to challenge file");
}

14
powersoftau/src/bin/new_constrained.rs
View File

@ -17,6 +17,13 @@ use powersoftau::parameters::PowersOfTauParameters;
const COMPRESS_NEW_CHALLENGE: UseCompression = UseCompression::No;
fn main() {
let args: Vec<String> = std::env::args().collect();
if args.len() != 2 {
println!("Usage: \n<challenge_file>");
std::process::exit(exitcode::USAGE);
}
let challenge_filename = &args[1];
println!("Will generate an empty accumulator for 2^{} powers of tau", Bn256CeremonyParameters::REQUIRED_POWER);
println!("In total will generate up to {} powers", Bn256CeremonyParameters::TAU_POWERS_G1_LENGTH);
@ -24,7 +31,8 @@ fn main() {
.read(true)
.write(true)
.create_new(true)
.open("challenge").expect("unable to create `./challenge`");
.open(challenge_filename)
.expect("unable to create challenge file");
let expected_challenge_length = match COMPRESS_NEW_CHALLENGE {
UseCompression::Yes => {
@ -42,7 +50,7 @@ fn main() {
// Write a blank BLAKE2b hash:
let hash = blank_hash();
(&mut writable_map[0..]).write(hash.as_slice()).expect("unable to write a default hash to mmap");
writable_map.flush().expect("unable to write blank hash to `./challenge`");
writable_map.flush().expect("unable to write blank hash to challenge file");
println!("Blank hash for an empty challenge:");
for line in hash.as_slice().chunks(16) {
@ -76,5 +84,5 @@ fn main() {
println!("");
}
println!("Wrote a fresh accumulator to `./challenge`");
println!("Wrote a fresh accumulator to challenge file");
}

13
powersoftau/src/bin/prepare_phase2.rs
View File

@ -29,11 +29,18 @@ fn log_2(x: u64) -> u32 {
}
fn main() {
// Try to load `./response` from disk.
let args: Vec<String> = std::env::args().collect();
if args.len() != 2 {
println!("Usage: \n<response_filename>");
std::process::exit(exitcode::USAGE);
}
let response_filename = &args[1];
// Try to load response file from disk.
let reader = OpenOptions::new()
.read(true)
.open("response")
.expect("unable open `./response` in this directory");
.open(response_filename)
.expect("unable open response file in this directory");
let response_readable_map = unsafe { MmapOptions::new().map(&reader).expect("unable to create a memory map for input") };
let current_accumulator = BachedAccumulator::<Bn256, Bn256CeremonyParameters>::deserialize(

24
powersoftau/src/bin/verify.rs
View File

@ -61,7 +61,7 @@ fn get_challenge_file_hash(
let mut writable_map = unsafe { MmapOptions::new().map_mut(&writer).expect("unable to create a memory map for output") };
(&mut writable_map[0..]).write(&last_response_file_hash[..]).expect("unable to write a default hash to mmap");
writable_map.flush().expect("unable to write blank hash to `./challenge`");
writable_map.flush().expect("unable to write blank hash to challenge file");
if is_initial {
BachedAccumulator::<Bn256, Bn256CeremonyParameters>::generate_initial(&mut writable_map, UseCompression::No).expect("generation of initial accumulator is successful");
@ -119,7 +119,7 @@ fn get_response_file_hash(
let mut writable_map = unsafe { MmapOptions::new().map_mut(&writer).expect("unable to create a memory map for output") };
(&mut writable_map[0..]).write(&last_challenge_file_hash[..]).expect("unable to write a default hash to mmap");
writable_map.flush().expect("unable to write blank hash to `./challenge`");
writable_map.flush().expect("unable to write blank hash to challenge file");
acc.serialize(
&mut writable_map,
@ -158,7 +158,8 @@ fn new_accumulator_for_verify() -> BachedAccumulator<Bn256, Bn256CeremonyParamet
.read(true)
.write(true)
.create_new(true)
.open(file_name).expect("unable to create `./tmp_initial_challenge`");
.open(file_name)
.expect("unable to create `./tmp_initial_challenge`");
let expected_challenge_length = Bn256CeremonyParameters::ACCUMULATOR_BYTE_SIZE;
file.set_len(expected_challenge_length as u64).expect("unable to allocate large enough file");
@ -171,7 +172,8 @@ fn new_accumulator_for_verify() -> BachedAccumulator<Bn256, Bn256CeremonyParamet
let reader = OpenOptions::new()
.read(true)
.open(file_name)
.expect("unable open `./transcript` in this directory");
.expect("unable open transcript file in this directory");
let readable_map = unsafe { MmapOptions::new().map(&reader).expect("unable to create a memory map for input") };
let initial_accumulator = BachedAccumulator::deserialize(
&readable_map,
@ -183,11 +185,19 @@ fn new_accumulator_for_verify() -> BachedAccumulator<Bn256, Bn256CeremonyParamet
}
fn main() {
// Try to load `./transcript` from disk.
let args: Vec<String> = std::env::args().collect();
if args.len() != 2 {
println!("Usage: \n<transcript_file>");
std::process::exit(exitcode::USAGE);
}
let transcript_filename = &args[1];
// Try to load transcript file from disk.
let reader = OpenOptions::new()
.read(true)
.open("transcript")
.expect("unable open `./transcript` in this directory");
.open(transcript_filename)
.expect("unable open transcript file in this directory");
let transcript_readable_map = unsafe { MmapOptions::new().map(&reader).expect("unable to create a memory map for input") };
// Initialize the accumulator

46
powersoftau/src/bin/verify_transform_constrained.rs
View File

@ -23,15 +23,25 @@ const CONTRIBUTION_IS_COMPRESSED: UseCompression = UseCompression::Yes;
const COMPRESS_NEW_CHALLENGE: UseCompression = UseCompression::No;
fn main() {
let args: Vec<String> = std::env::args().collect();
if args.len() != 4 {
println!("Usage: \n<challenge_file> <response_file> <new_challenge_file>");
std::process::exit(exitcode::USAGE);
}
let challenge_filename = &args[1];
let response_filename = &args[2];
let new_challenge_filename = &args[3];
println!("Will verify and decompress a contribution to accumulator for 2^{} powers of tau", Bn256CeremonyParameters::REQUIRED_POWER);
// Try to load `./challenge` from disk.
// Try to load challenge file from disk.
let challenge_reader = OpenOptions::new()
.read(true)
.open("challenge").expect("unable open `./challenge` in this directory");
.open(challenge_filename)
.expect("unable open challenge file in this directory");
{
let metadata = challenge_reader.metadata().expect("unable to get filesystem metadata for `./challenge`");
let metadata = challenge_reader.metadata().expect("unable to get filesystem metadata for challenge file");
let expected_challenge_length = match PREVIOUS_CHALLENGE_IS_COMPRESSED {
UseCompression::Yes => {
Bn256CeremonyParameters::CONTRIBUTION_BYTE_SIZE - Bn256CeremonyParameters::PUBLIC_KEY_SIZE
@ -41,19 +51,20 @@ fn main() {
}
};
if metadata.len() != (expected_challenge_length as u64) {
panic!("The size of `./challenge` should be {}, but it's {}, so something isn't right.", expected_challenge_length, metadata.len());
panic!("The size of challenge file should be {}, but it's {}, so something isn't right.", expected_challenge_length, metadata.len());
}
}
let challenge_readable_map = unsafe { MmapOptions::new().map(&challenge_reader).expect("unable to create a memory map for input") };
// Try to load `./response` from disk.
// Try to load response file from disk.
let response_reader = OpenOptions::new()
.read(true)
.open("response").expect("unable open `./response` in this directory");
.open(response_filename)
.expect("unable open response file in this directory");
{
let metadata = response_reader.metadata().expect("unable to get filesystem metadata for `./response`");
let metadata = response_reader.metadata().expect("unable to get filesystem metadata for response file");
let expected_response_length = match CONTRIBUTION_IS_COMPRESSED {
UseCompression::Yes => {
Bn256CeremonyParameters::CONTRIBUTION_BYTE_SIZE
@ -63,7 +74,7 @@ fn main() {
}
};
if metadata.len() != (expected_response_length as u64) {
panic!("The size of `./response` should be {}, but it's {}, so something isn't right.", expected_response_length, metadata.len());
panic!("The size of response file should be {}, but it's {}, so something isn't right.", expected_response_length, metadata.len());
}
}
@ -112,7 +123,7 @@ fn main() {
let response_hash = BachedAccumulator::<Bn256, Bn256CeremonyParameters>::calculate_hash(&response_readable_map);
println!("Hash of the `response` file for verification:");
println!("Hash of the response file for verification:");
for line in response_hash.as_slice().chunks(16) {
print!("\t");
for section in line.chunks(4) {
@ -152,20 +163,21 @@ fn main() {
}
if COMPRESS_NEW_CHALLENGE == UseCompression::Yes {
println!("Don't need to recompress the contribution, please copy `./response` as `./new_challenge`");
println!("Don't need to recompress the contribution, please copy response file as new challenge");
} else {
println!("Verification succeeded! Writing to `./new_challenge`...");
println!("Verification succeeded! Writing to new challenge file...");
// Create `./new_challenge` in this directory
// Create new challenge file in this directory
let writer = OpenOptions::new()
.read(true)
.write(true)
.create_new(true)
.open("new_challenge").expect("unable to create `./new_challenge` in this directory");
.open(new_challenge_filename)
.expect("unable to create new challenge file in this directory");
// Recomputation stips the public key and uses hashing to link with the previous contibution after decompression
// Recomputation strips the public key and uses hashing to link with the previous contribution after decompression
writer.set_len(Bn256CeremonyParameters::ACCUMULATOR_BYTE_SIZE as u64).expect("must make output file large enough");
let mut writable_map = unsafe { MmapOptions::new().map_mut(&writer).expect("unable to create a memory map for output") };
@ -173,7 +185,7 @@ fn main() {
{
(&mut writable_map[0..]).write(response_hash.as_slice()).expect("unable to write a default hash to mmap");
writable_map.flush().expect("unable to write hash to `./new_challenge`");
writable_map.flush().expect("unable to write hash to new challenge file");
}
BachedAccumulator::<Bn256, Bn256CeremonyParameters>::decompress(
@ -187,7 +199,7 @@ fn main() {
let recompressed_hash = BachedAccumulator::<Bn256, Bn256CeremonyParameters>::calculate_hash(&new_challenge_readable_map);
println!("Here's the BLAKE2b hash of the decompressed participant's response as `new_challenge` file:");
println!("Here's the BLAKE2b hash of the decompressed participant's response as new_challenge file:");
for line in recompressed_hash.as_slice().chunks(16) {
print!("\t");
@ -200,7 +212,7 @@ fn main() {
println!("");
}
println!("Done! `./new_challenge` contains the new challenge file. The other files");
println!("Done! new challenge file contains the new challenge file. The other files");
println!("were left alone.");
}
}

33
powersoftau/test.sh
View File

@ -1,22 +1,25 @@
#!/bin/sh
rm challenge
rm response
rm new_challenge
rm challenge_old
rm response_old
rm challenge*
rm response*
rm transcript
rm phase1radix*
rm tmp_*
cargo run --release --bin new_constrained
cargo run --release --bin compute_constrained
cargo run --release --bin verify_transform_constrained
set -e
mv challenge challenge_old
mv response response_old
cargo run --release --bin new_constrained challenge1
cargo run --release --bin compute_constrained challenge1 response1
cargo run --release --bin verify_transform_constrained challenge1 response1 challenge2
mv new_challenge challenge
cargo run --release --bin beacon_constrained
cargo run --release --bin verify_transform_constrained
cargo run --release --bin beacon_constrained challenge2 response2
cargo run --release --bin verify_transform_constrained challenge2 response2 challenge3
cat response_old response > transcript
cargo run --release --bin verify
cargo run --release --bin beacon_constrained challenge3 response3
cargo run --release --bin verify_transform_constrained challenge3 response3 challenge4
cargo run --release --bin beacon_constrained challenge4 response4
cargo run --release --bin verify_transform_constrained challenge4 response4 challenge5
cat response1 response2 response3 response4 > transcript
cargo run --release --bin verify transcript