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add more multi-party parameters

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This commit is contained in:
Janmajaya Mall
2024-07-02 19:56:42 +05:30
parent 7cbe55691f
commit b2814392ab
5 changed files with 108 additions and 16 deletions
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10
src/bool/evaluator.rs
View File

@@ -910,7 +910,10 @@ where
BoolParameters<M::MatElement>,
InteractiveMultiPartyCrs<[u8; 32]>,
> {
assert_eq!(self.parameters().variant(), &ParameterVariant::MultiParty);
assert_eq!(
self.parameters().variant(),
&ParameterVariant::InteractiveMultiParty
);
assert!(user_id < total_users);
let sk_rlwe = client_key.sk_rlwe();
@@ -1060,7 +1063,10 @@ where
S: PartialEq + Clone,
M: Clone,
{
assert_eq!(self.parameters().variant(), &ParameterVariant::MultiParty);
assert_eq!(
self.parameters().variant(),
&ParameterVariant::InteractiveMultiParty
);
assert!(shares.len() > 0);
let total_users = shares.len();

11
src/bool/mp_api.rs
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@@ -27,6 +27,8 @@ static MULTI_PARTY_CRS: OnceLock<InteractiveMultiPartyCrs<[u8; 32]>> = OnceLock:
pub enum ParameterSelector {
InteractiveLTE2Party,
InteractiveLTE4Party,
InteractiveLTE8Party,
}
/// Select Interactive multi-party parameter variant
@@ -35,7 +37,12 @@ pub fn set_parameter_set(select: ParameterSelector) {
ParameterSelector::InteractiveLTE2Party => {
BOOL_EVALUATOR.with_borrow_mut(|v| *v = Some(BoolEvaluator::new(I_2P)));
}
ParameterSelector::InteractiveLTE4Party => {
BOOL_EVALUATOR.with_borrow_mut(|v| *v = Some(BoolEvaluator::new(I_4P)));
}
ParameterSelector::InteractiveLTE8Party => {
BOOL_EVALUATOR.with_borrow_mut(|v| *v = Some(BoolEvaluator::new(I_8P_LB_SR)));
}
_ => {
panic!("Paramerter not supported")
}
@@ -355,8 +362,10 @@ mod tests {
let rlwe_modop = parameters.default_rlwe_modop();
for _ in 0..500 {
let now = std::time::Instant::now();
let ct_out =
BoolEvaluator::with_local_mut(|e| e.nand(&ct0, &ct1, RuntimeServerKey::global()));
println!("Time: {:?}", now.elapsed());
let m_expected = !(m0 && m1);

88
src/bool/parameters.rs
View File

@@ -91,7 +91,7 @@ pub(crate) enum SecretKeyDistribution {
#[derive(Clone, PartialEq, Debug)]
pub(crate) enum ParameterVariant {
SingleParty,
MultiParty,
InteractiveMultiParty,
NonInteractiveMultiParty,
}
#[derive(Clone, PartialEq)]
@@ -544,7 +544,7 @@ pub(crate) const MP_BOOL_PARAMS: BoolParameters<u64> = BoolParameters::<u64> {
non_interactive_ui_to_s_key_switch_decomposer: None,
g: 5,
w: 10,
variant: ParameterVariant::MultiParty,
variant: ParameterVariant::InteractiveMultiParty,
};
pub(crate) const SMALL_MP_BOOL_PARAMS: BoolParameters<u64> = BoolParameters::<u64> {
@@ -568,7 +568,7 @@ pub(crate) const SMALL_MP_BOOL_PARAMS: BoolParameters<u64> = BoolParameters::<u6
non_interactive_ui_to_s_key_switch_decomposer: None,
g: 5,
w: 10,
variant: ParameterVariant::MultiParty,
variant: ParameterVariant::InteractiveMultiParty,
};
pub(crate) const I_2P: BoolParameters<u64> = BoolParameters::<u64> {
@@ -579,20 +579,92 @@ pub(crate) const I_2P: BoolParameters<u64> = BoolParameters::<u64> {
br_q: 1 << 11,
rlwe_n: PolynomialSize(1 << 11),
lwe_n: LweDimension(480),
lwe_decomposer_params: (DecompostionLogBase(1), DecompositionCount(11)),
lwe_decomposer_params: (DecompostionLogBase(1), DecompositionCount(12)),
rlrg_decomposer_params: (
DecompostionLogBase(16),
DecompostionLogBase(17),
(DecompositionCount(1), DecompositionCount(1)),
),
rgrg_decomposer_params: Some((
DecompostionLogBase(8),
(DecompositionCount(6), DecompositionCount(6)),
DecompostionLogBase(7),
(DecompositionCount(6), DecompositionCount(5)),
)),
auto_decomposer_params: (DecompostionLogBase(24), DecompositionCount(1)),
non_interactive_ui_to_s_key_switch_decomposer: None,
g: 5,
w: 10,
variant: ParameterVariant::MultiParty,
variant: ParameterVariant::InteractiveMultiParty,
};
pub(crate) const I_4P: BoolParameters<u64> = BoolParameters::<u64> {
rlwe_secret_key_dist: SecretKeyDistribution::TernaryDistribution,
lwe_secret_key_dist: SecretKeyDistribution::ErrorDistribution,
rlwe_q: CiphertextModulus::new_non_native(18014398509404161),
lwe_q: CiphertextModulus::new_non_native(1 << 16),
br_q: 1 << 11,
rlwe_n: PolynomialSize(1 << 11),
lwe_n: LweDimension(520),
lwe_decomposer_params: (DecompostionLogBase(1), DecompositionCount(13)),
rlrg_decomposer_params: (
DecompostionLogBase(17),
(DecompositionCount(1), DecompositionCount(1)),
),
rgrg_decomposer_params: Some((
DecompostionLogBase(6),
(DecompositionCount(7), DecompositionCount(6)),
)),
auto_decomposer_params: (DecompostionLogBase(24), DecompositionCount(1)),
non_interactive_ui_to_s_key_switch_decomposer: None,
g: 5,
w: 10,
variant: ParameterVariant::InteractiveMultiParty,
};
pub(crate) const I_8P_HB_FR: BoolParameters<u64> = BoolParameters::<u64> {
rlwe_secret_key_dist: SecretKeyDistribution::TernaryDistribution,
lwe_secret_key_dist: SecretKeyDistribution::ErrorDistribution,
rlwe_q: CiphertextModulus::new_non_native(18014398509404161),
lwe_q: CiphertextModulus::new_non_native(1 << 16),
br_q: 1 << 11,
rlwe_n: PolynomialSize(1 << 11),
lwe_n: LweDimension(520),
lwe_decomposer_params: (DecompostionLogBase(1), DecompositionCount(13)),
rlrg_decomposer_params: (
DecompostionLogBase(17),
(DecompositionCount(1), DecompositionCount(1)),
),
rgrg_decomposer_params: Some((
DecompostionLogBase(4),
(DecompositionCount(12), DecompositionCount(11)),
)),
auto_decomposer_params: (DecompostionLogBase(24), DecompositionCount(1)),
non_interactive_ui_to_s_key_switch_decomposer: None,
g: 5,
w: 10,
variant: ParameterVariant::InteractiveMultiParty,
};
pub(crate) const I_8P_LB_SR: BoolParameters<u64> = BoolParameters::<u64> {
rlwe_secret_key_dist: SecretKeyDistribution::TernaryDistribution,
lwe_secret_key_dist: SecretKeyDistribution::ErrorDistribution,
rlwe_q: CiphertextModulus::new_non_native(18014398509404161),
lwe_q: CiphertextModulus::new_non_native(1 << 17),
br_q: 1 << 11,
rlwe_n: PolynomialSize(1 << 11),
lwe_n: LweDimension(560),
lwe_decomposer_params: (DecompostionLogBase(1), DecompositionCount(14)),
rlrg_decomposer_params: (
DecompostionLogBase(17),
(DecompositionCount(1), DecompositionCount(1)),
),
rgrg_decomposer_params: Some((
DecompostionLogBase(5),
(DecompositionCount(8), DecompositionCount(7)),
)),
auto_decomposer_params: (DecompostionLogBase(24), DecompositionCount(1)),
non_interactive_ui_to_s_key_switch_decomposer: None,
g: 5,
w: 10,
variant: ParameterVariant::InteractiveMultiParty,
};
pub(crate) const NI_2P: BoolParameters<u64> = BoolParameters::<u64> {

11
src/bool/print_noise.rs
View File

@@ -322,7 +322,7 @@ where
// LWE key switches LWE_in = LWE_{Q_ks,N, s}(m) = (b, a_0, ... a_N) -> LWE_out =
// LWE_{Q_{ks}, n, z}(m) = (b', a'_0, ..., a'n)
// If LWE_in = (0, a = {a_0, ..., a_N}), then LWE_out = LWE(-a \cdot s_{rlwe})
for _ in 0..10 {
for _ in 0..100 {
let mut lwe_in = M::R::zeros(rlwe_n + 1);
RandomFillUniformInModulus::random_fill(&mut rng, lwe_q, &mut lwe_in.as_mut()[1..]);
@@ -367,7 +367,7 @@ mod tests {
#[test]
#[cfg(feature = "interactive_mp")]
fn qwerty() {
fn interactive_key_noise() {
use crate::{
aggregate_public_key_shares, aggregate_server_key_shares,
bool::{
@@ -379,7 +379,7 @@ mod tests {
random::DefaultSecureRng,
set_common_reference_seed, set_parameter_set,
utils::WithLocal,
BoolEvaluator, DefaultDecomposer, ModularOpsU64, Ntt, NttBackendU64,
BoolEvaluator, DefaultDecomposer, ModularOpsU64, NttBackendU64,
};
set_parameter_set(crate::ParameterSelector::InteractiveLTE2Party);
@@ -414,6 +414,11 @@ mod tests {
_,
>(parameters, &cks, &server_key_eval);
println!(
"Common reference seeded server key share key size size: {} Bits",
server_key_shares[0].size()
);
println!(
"Rgsw nsm std log2 {}",
server_key_stats.brk_rgsw_cts.0.std_dev().abs().log2()