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implement alternative transcript with poseidon backend

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This commit is contained in:
Mara Mihali
2022-07-29 13:34:12 +03:00
parent 09251a9439
commit e7242a7b54
20 changed files with 942 additions and 771 deletions
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9
profiler/nizk.rs
View File

@@ -6,9 +6,11 @@ extern crate libspartan;
extern crate merlin;
extern crate rand;
use ark_serialize::*;
use libspartan::parameters::poseidon_params;
use libspartan::poseidon_transcript::PoseidonTranscript;
use libspartan::{Instance, NIZKGens, NIZK};
use merlin::Transcript;
use ark_serialize::*;
fn print(msg: &str) {
let star = "* ";
@@ -31,8 +33,9 @@ pub fn main() {
// produce public generators
let gens = NIZKGens::new(num_cons, num_vars, num_inputs);
let params = poseidon_params();
// produce a proof of satisfiability
let mut prover_transcript = Transcript::new(b"nizk_example");
let mut prover_transcript = PoseidonTranscript::new(&params);
let proof = NIZK::prove(&inst, vars, &inputs, &gens, &mut prover_transcript);
let mut proof_encoded = Vec::new();
@@ -41,7 +44,7 @@ pub fn main() {
print(&msg_proof_len);
// verify the proof of satisfiability
let mut verifier_transcript = Transcript::new(b"nizk_example");
let mut verifier_transcript = PoseidonTranscript::new(&params);
assert!(proof
.verify(&inst, &inputs, &mut verifier_transcript, &gens)
.is_ok());

11
profiler/snark.rs
View File

@@ -5,9 +5,10 @@ extern crate flate2;
extern crate libspartan;
extern crate merlin;
use libspartan::{Instance, SNARKGens, SNARK};
use merlin::Transcript;
use ark_serialize::*;
use libspartan::parameters::poseidon_params;
use libspartan::poseidon_transcript::PoseidonTranscript;
use libspartan::{Instance, SNARKGens, SNARK};
fn print(msg: &str) {
let star = "* ";
@@ -33,8 +34,10 @@ pub fn main() {
// create a commitment to R1CSInstance
let (comm, decomm) = SNARK::encode(&inst, &gens);
let params = poseidon_params();
// produce a proof of satisfiability
let mut prover_transcript = Transcript::new(b"snark_example");
let mut prover_transcript = PoseidonTranscript::new(&params);
let proof = SNARK::prove(
&inst,
&comm,
@@ -51,7 +54,7 @@ pub fn main() {
print(&msg_proof_len);
// verify the proof of satisfiability
let mut verifier_transcript = Transcript::new(b"snark_example");
let mut verifier_transcript = PoseidonTranscript::new(&params);
assert!(proof
.verify(&comm, &inputs, &mut verifier_transcript, &gens)
.is_ok());