use bls12_381 as bls;
use crate::bls_extensions::*;
use crate::coconut::coconut::*;
use crate::elgamal::*;
use crate::parameters::*;
#[allow(unused_imports)]
use crate::proofs::credential_proof::*;
#[allow(unused_imports)]
use crate::proofs::proof::*;
#[allow(unused_imports)]
use crate::proofs::signature_proof::*;
#[allow(dead_code)]
struct TestValues<'a, R: RngInstance> {
private_attributes: Vec<bls::Scalar>,
public_attributes: Vec<bls::Scalar>,
attribute_keys: Vec<bls::Scalar>,
blinding_factor: bls::Scalar,
gamma: ElGamalPublicKey<'a, R>,
attribute_commit: bls::G1Projective,
commit_hash: bls::G1Projective,
ciphertext: Vec<EncryptedValue>,
blind_commit_hash: bls::G1Projective,
blind: bls::Scalar,
verify_key: VerifyKey,
kappa: bls::G2Projective,
v: bls::G1Projective,
}
impl<'a, R: RngInstance> TestValues<'a, R> {
#[allow(dead_code)]
fn setup(params: &'a Parameters<R>) -> Self {
Self {
private_attributes: vec![bls::Scalar::from(110), bls::Scalar::from(4)],
public_attributes: Vec::new(),
attribute_keys: vec![
bls::Scalar::from_bytes(&[
0xec, 0x37, 0x03, 0x7b, 0x33, 0xf4, 0x5c, 0x2e, 0xd0, 0x56, 0xf2, 0x46, 0x43,
0xa0, 0xee, 0x01, 0xfb, 0x77, 0xf1, 0xec, 0x95, 0x4b, 0xf2, 0xe5, 0x62, 0x32,
0xb5, 0x4e, 0x27, 0xeb, 0xe9, 0x3f,
])
.unwrap(),
bls::Scalar::from_bytes(&[
0xe2, 0x88, 0x9a, 0x7c, 0xc9, 0x37, 0x4d, 0x12, 0x12, 0x92, 0xcb, 0xcd, 0x6c,
0x4e, 0x93, 0x63, 0x5a, 0xce, 0x40, 0x14, 0x4f, 0xfc, 0xc8, 0x0b, 0x4c, 0x57,
0x65, 0x63, 0x65, 0x49, 0xb2, 0x59,
])
.unwrap(),
],
blinding_factor: bls::Scalar::from_bytes(&[
0xbd, 0x48, 0x8f, 0xcd, 0xf7, 0x08, 0xd1, 0x36, 0xee, 0x9f, 0xc7, 0xb1, 0xf6, 0x91,
0xde, 0xf5, 0xc5, 0xfc, 0x48, 0x7c, 0x64, 0x58, 0xad, 0x01, 0x29, 0xb4, 0xd8, 0x1c,
0xeb, 0xe2, 0x12, 0x5a,
])
.unwrap(),
gamma: ElGamalPublicKey {
params: ¶ms,
public_key: bls::G1Projective::from(
bls::G1Affine::from_compressed(&[
0xb6, 0xdf, 0x9e, 0x19, 0xbd, 0xca, 0x01, 0xb9, 0x67, 0xe4, 0xf6, 0xff,
0x1d, 0x07, 0x53, 0x3a, 0x50, 0x48, 0x7a, 0x71, 0x23, 0xa1, 0x06, 0xd3,
0xd8, 0xa1, 0x29, 0x43, 0xee, 0xbe, 0x24, 0x58, 0x9b, 0x93, 0xd7, 0x0b,
0xc6, 0xdc, 0x24, 0xaa, 0x56, 0x56, 0x7d, 0x49, 0xd6, 0x6f, 0x31, 0x3e,
])
.unwrap(),
),
},
attribute_commit: bls::G1Projective::from(
bls::G1Affine::from_compressed(&[
0x97, 0x95, 0xba, 0x53, 0xe8, 0xbf, 0x83, 0xbd, 0xf3, 0x23, 0xc6, 0xc9, 0x17,
0x4a, 0x41, 0xad, 0xf5, 0x04, 0xdf, 0x3e, 0x49, 0x11, 0x76, 0x74, 0xac, 0xcb,
0x24, 0xe6, 0xc5, 0x1a, 0x3e, 0xfc, 0x1f, 0x24, 0x43, 0x0c, 0xce, 0x82, 0x6e,
0x78, 0xc8, 0x65, 0xfc, 0x7e, 0xfc, 0x45, 0xf4, 0xfb,
])
.unwrap(),
),
commit_hash: bls::G1Projective::from(
bls::G1Affine::from_compressed(&[
0x83, 0xe8, 0x9d, 0x58, 0xb1, 0x54, 0x48, 0xfa, 0xd4, 0x59, 0x6e, 0x88, 0x42,
0xc7, 0x19, 0xd4, 0x65, 0xa8, 0x53, 0xec, 0x87, 0xfe, 0xf5, 0xc3, 0xdc, 0x4e,
0x13, 0xaa, 0x5d, 0xb0, 0x3e, 0xa6, 0x0a, 0x1f, 0x22, 0xea, 0x65, 0xaa, 0xd2,
0xc5, 0x55, 0xed, 0x37, 0xda, 0x44, 0x41, 0x55, 0x93,
])
.unwrap(),
),
ciphertext: vec![
(
bls::G1Projective::from(
bls::G1Affine::from_compressed(&[
0x96, 0xbb, 0x5f, 0xe1, 0x01, 0xc9, 0x69, 0x97, 0x3f, 0xb1, 0x74, 0x41,
0xae, 0x98, 0xcb, 0x99, 0x8e, 0x70, 0x50, 0x8d, 0x32, 0x29, 0x91, 0x5e,
0xaa, 0xb3, 0xba, 0xd6, 0x3a, 0xa4, 0x96, 0x49, 0xf4, 0x63, 0xaa, 0x0d,
0x20, 0x60, 0x38, 0x27, 0x76, 0x6d, 0x4b, 0x4a, 0xfc, 0xcd, 0x8a, 0x3c,
])
.unwrap(),
),
bls::G1Projective::from(
bls::G1Affine::from_compressed(&[
0xb9, 0xae, 0x56, 0x13, 0xd9, 0xbc, 0x2d, 0xb1, 0xeb, 0x82, 0x4d, 0x91,
0x99, 0xdc, 0x27, 0x33, 0xae, 0x68, 0x87, 0x2c, 0x8a, 0xfc, 0xed, 0xbe,
0x9c, 0x2f, 0x37, 0x19, 0x6a, 0xb3, 0xf9, 0x05, 0x8d, 0x57, 0xc9, 0x08,
0x79, 0x51, 0xf9, 0x5e, 0x2d, 0xae, 0x7d, 0x46, 0x90, 0xe6, 0xac, 0x42,
])
.unwrap(),
),
),
(
bls::G1Projective::from(
bls::G1Affine::from_compressed(&[
0x8d, 0x66, 0x78, 0xda, 0x17, 0xcc, 0x6f, 0xa1, 0x96, 0xa7, 0x7f, 0x6d,
0x0f, 0x29, 0x5f, 0x01, 0x34, 0x14, 0xec, 0x38, 0xf2, 0x81, 0xc6, 0xea,
0x0d, 0x83, 0xe6, 0xb8, 0x40, 0x63, 0x07, 0xf2, 0x9a, 0x6f, 0x24, 0x66,
0x5f, 0x22, 0x5f, 0xb4, 0xa3, 0x0c, 0xae, 0x09, 0x29, 0xa4, 0xdd, 0x45,
])
.unwrap(),
),
bls::G1Projective::from(
bls::G1Affine::from_compressed(&[
0x96, 0xfd, 0xfe, 0xf3, 0x56, 0x86, 0x6f, 0xa3, 0x82, 0x7a, 0x90, 0x9f,
0x76, 0xa8, 0xf2, 0x13, 0x27, 0xb7, 0x4a, 0xb3, 0xd7, 0x32, 0xc7, 0xb8,
0xbb, 0xf6, 0x7a, 0x29, 0xf6, 0x23, 0xc8, 0xfa, 0x3d, 0x93, 0x05, 0x05,
0xc8, 0x74, 0x7b, 0x75, 0x74, 0xa9, 0x4e, 0x7b, 0x03, 0x49, 0x5c, 0xbc,
])
.unwrap(),
),
),
],
blind_commit_hash: bls::G1Projective::from(
bls::G1Affine::from_compressed(&[
0x80, 0x81, 0xc6, 0xfb, 0x9b, 0x59, 0x80, 0xd6, 0xf7, 0xbf, 0x51, 0xb9, 0xff,
0x76, 0x02, 0x44, 0x6e, 0xed, 0xd2, 0x23, 0x74, 0xf5, 0x11, 0x5e, 0x39, 0x09,
0xfc, 0x95, 0x09, 0x25, 0x1d, 0x0c, 0xdd, 0x2a, 0xb1, 0x8d, 0x68, 0x18, 0x60,
0x1e, 0x8f, 0x85, 0x94, 0x12, 0xaf, 0x01, 0x80, 0x24,
])
.unwrap(),
),
blind: bls::Scalar::from_bytes(&[
0x2e, 0xcf, 0x05, 0x0d, 0x66, 0xb3, 0xba, 0xb8, 0x07, 0x3e, 0xbe, 0xad, 0xe1, 0x9d,
0xa6, 0x85, 0xca, 0xb8, 0xfd, 0x98, 0xfa, 0x07, 0x45, 0xcb, 0xb4, 0x15, 0x3c, 0x1d,
0x46, 0xcf, 0xd5, 0x39,
])
.unwrap(),
verify_key: VerifyKey {
alpha: bls::G2Projective::from(
bls::G2Affine::from_compressed(&[
0xad, 0x30, 0xc8, 0xe1, 0xd4, 0x5b, 0x3a, 0x3e, 0xa3, 0xc3, 0xf0, 0x82,
0x3f, 0x30, 0x0d, 0xac, 0x51, 0x8d, 0x3b, 0x10, 0xb3, 0x3e, 0x8b, 0xdf,
0x9b, 0x80, 0x6d, 0x4d, 0x8b, 0xe9, 0x97, 0x69, 0x42, 0xee, 0x67, 0xdd,
0x27, 0x19, 0x82, 0xd7, 0x93, 0x49, 0x36, 0x6a, 0x26, 0x21, 0xae, 0xbc,
0x16, 0xdc, 0x38, 0x7f, 0xb0, 0x27, 0xfa, 0x48, 0x67, 0x6a, 0x7a, 0xff,
0x9f, 0xed, 0xf9, 0xdb, 0x02, 0x6e, 0x3f, 0x4a, 0x9a, 0x93, 0x99, 0x0d,
0xfe, 0x07, 0xd0, 0x72, 0x56, 0xbd, 0xd2, 0x38, 0x1c, 0xf4, 0xb2, 0x54,
0xb3, 0xa1, 0x72, 0xa1, 0x90, 0x16, 0x81, 0x31, 0xb0, 0xf5, 0xbe, 0xac,
])
.unwrap(),
),
beta: vec![
bls::G2Projective::from(
bls::G2Affine::from_compressed(&[
0xaa, 0x9d, 0xb9, 0xd8, 0x7a, 0x33, 0x07, 0xb2, 0xb7, 0x44, 0xd9, 0xa8,
0x16, 0x86, 0xf3, 0x60, 0x1b, 0xe3, 0xfe, 0x08, 0x85, 0xc1, 0x6b, 0x0a,
0xea, 0xf2, 0x0a, 0xee, 0xaf, 0x46, 0xc5, 0x39, 0x6e, 0x06, 0x1e, 0x05,
0x34, 0x2a, 0xea, 0x41, 0xa1, 0xaf, 0xea, 0xff, 0x46, 0x0d, 0xa8, 0x7c,
0x04, 0xa1, 0xbd, 0x26, 0x40, 0x50, 0x59, 0x1e, 0xde, 0x1d, 0x13, 0xfc,
0x13, 0x79, 0x9f, 0x8c, 0x31, 0x86, 0xef, 0x09, 0x0e, 0x24, 0x01, 0xb3,
0x69, 0x2b, 0xef, 0x94, 0x13, 0xec, 0xe9, 0x21, 0xb8, 0x70, 0x9a, 0x54,
0x71, 0xc8, 0x0f, 0x51, 0x24, 0x95, 0xaf, 0xfb, 0x49, 0x08, 0xa0, 0xfa,
])
.unwrap(),
),
bls::G2Projective::from(
bls::G2Affine::from_compressed(&[
0xae, 0xbd, 0x93, 0x0e, 0x7c, 0x57, 0x44, 0xf2, 0x12, 0xfd, 0x3c, 0x60,
0xc5, 0x08, 0xa5, 0x13, 0x7d, 0x92, 0x2b, 0x4c, 0x37, 0x3c, 0x99, 0x9f,
0x33, 0xad, 0x49, 0x50, 0x62, 0x45, 0xd8, 0x6d, 0x02, 0x41, 0x14, 0x2d,
0x34, 0x4c, 0xa5, 0x6d, 0x1e, 0x67, 0x61, 0x7c, 0x74, 0x68, 0x92, 0xfd,
0x09, 0xdb, 0xba, 0xdd, 0x77, 0x80, 0x89, 0xf6, 0xb1, 0x70, 0x16, 0x59,
0xc5, 0x7a, 0x92, 0xca, 0xa3, 0x91, 0xd3, 0xb4, 0x92, 0xcf, 0xb5, 0x97,
0x80, 0xa2, 0x5b, 0x18, 0x18, 0x04, 0xbe, 0x24, 0x57, 0xf6, 0x0a, 0x44,
0x54, 0xa3, 0x57, 0x36, 0x49, 0x44, 0x3f, 0x0f, 0xd3, 0x7c, 0x79, 0x14,
])
.unwrap(),
),
],
},
kappa: bls::G2Projective::from(
bls::G2Affine::from_compressed(&[
0x89, 0x59, 0x75, 0x07, 0x43, 0x5d, 0x40, 0xf9, 0x34, 0x7f, 0x2c, 0x03, 0xd3,
0x05, 0xd6, 0x98, 0xd1, 0xe3, 0x4d, 0xd8, 0xcb, 0x1b, 0x7d, 0x97, 0x46, 0x35,
0xeb, 0x86, 0xfe, 0x4c, 0x2b, 0x2a, 0x49, 0x50, 0xd9, 0x50, 0x5f, 0x07, 0xd2,
0x7f, 0xd3, 0x10, 0x66, 0x2d, 0x48, 0xeb, 0x77, 0xe3, 0x18, 0x91, 0xbb, 0xe6,
0xd4, 0xe8, 0x52, 0x44, 0x02, 0xeb, 0xf1, 0x88, 0x9a, 0x46, 0x1d, 0x80, 0x90,
0x73, 0x4d, 0xa2, 0x28, 0xa1, 0xac, 0x71, 0x12, 0x3b, 0x42, 0x38, 0xea, 0xc7,
0xae, 0x24, 0xdb, 0x03, 0x13, 0x89, 0x9b, 0x6b, 0xcb, 0x45, 0xe4, 0x3e, 0x12,
0x8c, 0xf2, 0xa5, 0x3c, 0xda,
])
.unwrap(),
),
v: bls::G1Projective::from(
bls::G1Affine::from_compressed(&[
0x94, 0xc1, 0x76, 0xfb, 0x7a, 0xef, 0x48, 0x63, 0x50, 0xe5, 0x80, 0xa3, 0xdd,
0x80, 0x4d, 0x60, 0x59, 0x2d, 0x78, 0x7e, 0x44, 0x7d, 0x18, 0x83, 0xee, 0x30,
0x40, 0x1f, 0x46, 0x03, 0x61, 0x0d, 0x90, 0xa8, 0xe5, 0x32, 0x0a, 0xe6, 0x3c,
0x97, 0x27, 0x2f, 0xd1, 0xa3, 0xa9, 0x09, 0x31, 0xbd,
])
.unwrap(),
),
}
}
}
#[test]
fn test_signature_request_proof() {
let params = Parameters::<OsRngInstance>::new(2);
let values = TestValues::setup(¶ms);
let proof_builder = SignatureProofBuilder::new(
¶ms,
&values.private_attributes,
&values.public_attributes,
&values.attribute_keys,
&values.blinding_factor,
);
let commitments =
proof_builder.commitments(&values.gamma, &values.commit_hash, &values.attribute_commit);
let mut hasher = ProofHasher::new();
commitments.commit(&mut hasher);
let challenge = hasher.finish();
let proof = proof_builder.finish(&challenge);
let verify_commitments = proof.commitments(
¶ms,
&challenge,
&values.gamma,
&values.commit_hash,
&values.attribute_commit,
&values.ciphertext,
);
let mut verify_hasher = ProofHasher::new();
verify_commitments.commit(&mut verify_hasher);
let verify_challenge = verify_hasher.finish();
assert_eq!(challenge, verify_challenge);
}
#[test]
fn test_credential_proof() {
let params = Parameters::<OsRngInstance>::new(3);
let values = TestValues::setup(¶ms);
let proof_builder =
CredentialProofBuilder::new(¶ms, &values.private_attributes, &values.blind);
let commitments = proof_builder.commitments(&values.verify_key, &values.blind_commit_hash);
let mut hasher = ProofHasher::new();
commitments.commit(&mut hasher);
let challenge = hasher.finish();
let proof = proof_builder.finish(&challenge);
let verify_commitments = proof.commitments(
¶ms,
&challenge,
&values.verify_key,
&values.blind_commit_hash,
&values.kappa,
&values.v,
);
let mut verify_hasher = ProofHasher::new();
verify_commitments.commit(&mut verify_hasher);
let verify_challenge = verify_hasher.finish();
assert_eq!(challenge, verify_challenge);
}