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Add Poseidon test vector generated by the reference code. 

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
This commit is contained in:
Daira Hopwood 2021-04-15 20:25:35 +01:00 committed by Jack Grigg
parent f5a4cc3550
commit 5925852c7d
1 changed files with 57 additions and 1 deletions
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58
src/primitives/poseidon/nullifier.rs
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@ -1510,7 +1510,7 @@ mod tests {
use halo2::arithmetic::FieldExt;
use pasta_curves::pallas;
use crate::primitives::poseidon::Spec;
use crate::primitives::poseidon::{permute, Spec};
use super::{MDS, MDS_INV, ROUND_CONSTANTS};
@ -1570,4 +1570,60 @@ mod tests {
assert_eq!(actual, expected);
}
}
#[test]
fn test_against_reference() {
// This is the test vector output by the reference code at
// <https://extgit.iaik.tugraz.at/krypto/hadeshash>, using parameters from
// `generate_parameters_grain.sage 1 0 255 3 8 58 0x40000000000000000000000000000000224698fc094cf91b992d30ed00000001`.
let mut input = [
pallas::Base::from_raw([
0x0000_0000_0000_0000,
0x0000_0000_0000_0000,
0x0000_0000_0000_0000,
0x0000_0000_0000_0000,
]),
pallas::Base::from_raw([
0x0000_0000_0000_0001,
0x0000_0000_0000_0000,
0x0000_0000_0000_0000,
0x0000_0000_0000_0000,
]),
pallas::Base::from_raw([
0x0000_0000_0000_0002,
0x0000_0000_0000_0000,
0x0000_0000_0000_0000,
0x0000_0000_0000_0000,
]),
];
let expected_output = [
pallas::Base::from_raw([
0x4586_0cdf_c122_4c90,
0x6ad2_1f3e_0511_2d6e,
0xe2d3_3be0_7ee5_db5c,
0x19a2_64db_f840_aaea,
]),
pallas::Base::from_raw([
0x3dc3_ed1c_3434_091e,
0x31cc_06bf_df6b_d5fd,
0x8136_86b6_df10_cf99,
0x11b8_23d6_6e94_c285,
]),
pallas::Base::from_raw([
0xc5dc_3d6d_756e_de28,
0xcbaa_5cae_abc5_96e3,
0x68a6_35c3_b4cb_b608,
0x1111_04f4_1966_d2ce,
]),
];
permute::<pallas::Base, P128Pow5T3Plus<pallas::Base>, 3, 2>(
&mut input,
&MDS,
&ROUND_CONSTANTS,
);
assert_eq!(input, expected_output);
}
}