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Implementation of SimplPedPoP
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This reverts commit 7bf09b5.
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Fiono11 committed Apr 13, 2024
1 parent c3b7ae3 commit e006ba6
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38 changes: 32 additions & 6 deletions Cargo.toml
Original file line number Diff line number Diff line change
Expand Up @@ -22,17 +22,23 @@ curve25519-dalek = { version = "4.1.0", default-features = false, features = [
"zeroize",
"precomputed-tables",
"legacy_compatibility",
"rand_core",
"serde",
] }
subtle = { version = "2.4.1", default-features = false }
merlin = { version = "3.0.0", default-features = false }
getrandom_or_panic = { version = "0.0.3", default-features = false }
rand_core = { version = "0.6.2", default-features = false }
serde_crate = { version = "1.0.130", package = "serde", default-features = false, optional = true }
serde = { version = "1.0.130", default-features = false, optional = true }
serde_bytes = { version = "0.11.5", default-features = false, optional = true }
cfg-if = { version = "1.0.0", optional = true }
sha2 = { version = "0.10.7", default-features = false }
failure = { version = "0.1.8", default-features = false, optional = true }
zeroize = { version = "1.6", default-features = false, features = ["zeroize_derive"] }
zeroize = { version = "1.6", default-features = false, features = [
"zeroize_derive",
] }
derive-getters = "0.3.0"
chacha20poly1305 = "0.10.1"

[dev-dependencies]
rand = "0.8.5"
Expand All @@ -47,17 +53,37 @@ serde_json = "1.0.68"
name = "schnorr_benchmarks"
harness = false

[[bench]]
name = "simplpedpop_benchmarks"
harness = false

[features]
default = ["std", "getrandom"]
preaudit_deprecated = []
nightly = []
alloc = ["curve25519-dalek/alloc", "rand_core/alloc", "getrandom_or_panic/alloc", "serde_bytes/alloc"]
std = ["alloc", "getrandom", "serde_bytes/std", "rand_core/std", "getrandom_or_panic/std"]
alloc = [
"curve25519-dalek/alloc",
"rand_core/alloc",
"getrandom_or_panic/alloc",
"serde_bytes/alloc",
]
std = [
"alloc",
"getrandom",
"serde_bytes/std",
"rand_core/std",
"getrandom_or_panic/std",
"aead",
]
asm = ["sha2/asm"]
serde = ["serde_crate", "serde_bytes", "cfg-if"]
serde = ["dep:serde", "serde_bytes", "cfg-if"]
# We cannot make getrandom a direct dependency because rand_core makes
# getrandom a feature name, which requires forwarding.
getrandom = ["rand_core/getrandom", "getrandom_or_panic/getrandom", "aead?/getrandom"]
getrandom = [
"rand_core/getrandom",
"getrandom_or_panic/getrandom",
"aead?/getrandom",
]
# We thus cannot forward the wasm-bindgen feature of getrandom,
# but our consumers could depend upon getrandom and activate its
# wasm-bindgen feature themselve, which works due to cargo features
Expand Down
249 changes: 249 additions & 0 deletions benches/simplpedpop_benchmarks.rs
Original file line number Diff line number Diff line change
@@ -0,0 +1,249 @@
use criterion::{criterion_group, criterion_main, Criterion};

mod simplpedpop_benches {
use std::collections::{BTreeMap, BTreeSet};

use super::*;
use criterion::BenchmarkId;
use merlin::Transcript;
use rand_core::OsRng;
use schnorrkel::{
identifier::Identifier,
simplpedpop::{
round1::{self, PrivateData, PublicData, PublicMessage},
round2::{self, Messages},
round3, Parameters, Participants,
},
};

fn generate_parameters(max_signers: u16, min_signers: u16) -> Vec<Parameters> {
(1..=max_signers)
.map(|_| Parameters::new(max_signers, min_signers))
.collect()
}

fn round1(
participants: u16,
threshold: u16,
) -> (
Vec<Parameters>,
Vec<PrivateData>,
Vec<PublicData>,
Vec<BTreeSet<PublicMessage>>,
) {
let parameters_list = generate_parameters(participants, threshold);

let mut all_public_messages_vec = Vec::new();
let mut participants_round1_private_data = Vec::new();
let mut participants_round1_public_data = Vec::new();

for i in 0..parameters_list.len() {
let (private_data, public_message, public_data) =
round1::run(&parameters_list[i as usize], OsRng)
.expect("Round 1 should complete without errors!");

all_public_messages_vec.push(public_message.clone());
participants_round1_public_data.push(public_data);
participants_round1_private_data.push(private_data);
}

let mut received_round1_public_messages: Vec<BTreeSet<PublicMessage>> = Vec::new();

let mut all_public_messages = BTreeSet::new();

for i in 0..participants {
all_public_messages.insert(all_public_messages_vec[i as usize].clone());
}

// Iterate through each participant to create a set of messages excluding their own.
for i in 0..participants as usize {
let own_message = PublicMessage::new(
participants_round1_public_data[i]
.secret_polynomial_commitment()
.clone(),
participants_round1_public_data[i]
.proof_of_possession()
.clone(),
);

let mut messages_for_participant = BTreeSet::new();

for message in &all_public_messages {
if &own_message != message {
// Exclude the participant's own message.
messages_for_participant.insert(message.clone());
}
}

received_round1_public_messages.push(messages_for_participant);
}

(
parameters_list,
participants_round1_private_data,
participants_round1_public_data,
received_round1_public_messages,
)
}

fn round2(
parameters_list: &Vec<Parameters>,
participants_round1_private_data: Vec<PrivateData>,
participants_round1_public_data: &Vec<PublicData>,
participants_round1_public_messages: &Vec<BTreeSet<PublicMessage>>,
) -> (
Vec<round2::PublicData<Transcript>>,
Vec<Messages>,
Vec<Participants>,
Vec<Identifier>,
) {
let mut participants_round2_public_data = Vec::new();
let mut participants_round2_public_messages = Vec::new();
let mut participants_set_of_participants = Vec::new();
let mut identifiers_vec = Vec::new();

for i in 0..*parameters_list[0].participants() {
let result = round2::run(
&parameters_list[i as usize],
participants_round1_private_data[i as usize].clone(),
&participants_round1_public_data[i as usize].clone(),
&participants_round1_public_messages[i as usize].clone(),
Transcript::new(b"simplpedpop"),
)
.expect("Round 2 should complete without errors!");

participants_round2_public_data.push(result.0.clone());
participants_round2_public_messages.push(result.1);
participants_set_of_participants.push(result.0.participants().clone());
identifiers_vec.push(*result.0.participants().own_identifier());
}

(
participants_round2_public_data,
participants_round2_public_messages,
participants_set_of_participants,
identifiers_vec,
)
}

fn benchmark_simplpedpop(c: &mut Criterion) {
let mut group = c.benchmark_group("SimplPedPoP");

group
.sample_size(10)
.warm_up_time(std::time::Duration::from_secs(2))
.measurement_time(std::time::Duration::from_secs(30));

for &n in [3, 10, 100].iter() {
let participants = n;
let threshold = (n * 2 + 2) / 3;
let parameters_list = generate_parameters(participants, threshold);

group.bench_function(BenchmarkId::new("round1", participants), |b| {
b.iter(|| {
round1::run(&parameters_list[0], OsRng).unwrap();
})
});

let (
parameters_list,
participants_round1_private_data,
participants_round1_public_data,
participants_round1_public_messages,
) = round1(participants, threshold);

group.bench_function(BenchmarkId::new("round2", participants), |b| {
b.iter(|| {
round2::run(
&parameters_list[0],
participants_round1_private_data[0].clone(),
&participants_round1_public_data[0],
&participants_round1_public_messages[0],
Transcript::new(b"simplpedpop"),
)
.unwrap();
})
});

let (
participants_round2_public_data,
participants_round2_messages,
participants_sets_of_participants,
identifiers_vec,
) = round2(
&parameters_list,
participants_round1_private_data.clone(),
&participants_round1_public_data,
&participants_round1_public_messages,
);

let participants_round2_public_messages: Vec<round2::PublicMessage> =
participants_round2_messages
.iter()
.map(|msg| msg.public_message().clone())
.collect();

let participants_round2_private_messages: Vec<
BTreeMap<Identifier, round2::PrivateMessage>,
> = participants_round2_messages
.iter()
.map(|msg| msg.private_messages().clone())
.collect();

for i in 0..participants_sets_of_participants.len() {
let received_round2_public_messages = participants_round2_public_messages
.iter()
.enumerate()
.filter(|(index, _msg)| {
identifiers_vec[*index]
!= *participants_sets_of_participants[i as usize].own_identifier()
})
.map(|(index, msg)| (identifiers_vec[index], msg.clone()))
.collect::<BTreeMap<Identifier, round2::PublicMessage>>();

let mut round2_private_messages: Vec<BTreeMap<Identifier, round2::PrivateMessage>> =
Vec::new();

for participants in participants_sets_of_participants.iter() {
let mut messages_for_participant = BTreeMap::new();

for (i, round_messages) in
participants_round2_private_messages.iter().enumerate()
{
if let Some(message) = round_messages.get(&participants.own_identifier()) {
messages_for_participant.insert(identifiers_vec[i], message.clone());
}
}

if !messages_for_participant.is_empty() {
round2_private_messages.push(messages_for_participant);
}
}

group.bench_function(BenchmarkId::new("round3", participants), |b| {
b.iter(|| {
round3::run(
&received_round2_public_messages,
&participants_round2_public_data[0],
&participants_round1_public_data[0],
participants_round1_private_data[0].clone(),
round2_private_messages[0].clone(),
)
.unwrap();
})
});
break;
}
}
group.finish();
}

criterion_group! {
name = simplpedpop_benches;
config = Criterion::default();
targets =
benchmark_simplpedpop,
}
}

criterion_main!(simplpedpop_benches::simplpedpop_benches);
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