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claim_presentation.nr
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claim_presentation.nr
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use dep::std;
mod claim;
mod id_ownership_by_signature;
mod state;
mod utils;
fn present_claim_with_eddsa<AuthDepth, ClaimDepth, SetDepth>(
claim: [Field; 8],
// Id ownership proof - IOP
public_key_x: Field,
public_key_y: Field,
iop_auth_path: [Field; AuthDepth],
iop_auth_index: Field,
iop_claim_root: Field,
iop_revoked_claim_root: Field,
holder_state: Field,
signature_s: Field,
signature_r8_x: Field,
signature_r8_y: Field,
challenge: Field,
// Claim existence proof - CEP
cep_claim_merkle_path: [Field; ClaimDepth],
cep_claim_index: Field,
cep_claim_root: Field,
cep_auth_root: Field,
cep_revoked_claim_root: Field,
cep_issuer_state: Field,
// Claim non-revocation proof - CNP
cnp_path_low: [Field; ClaimDepth],
cnp_val_low: Field,
cnp_next_val: Field,
cnp_next_idx: Field,
cnp_index_low: Field,
cnp_revocation_root: Field,
cnp_auth_root: Field,
cnp_claim_root: Field,
cnp_issuer_state: Field,
// Claim validation
expected_schema: Field,
valid_until: Field,
expected_sequel: Field,
expected_subject: Field,
/*
0: single
1: double
2: set
3: non-set
*/
query_type: u8,
// Claim query
slot_index_0: u8,
slot_index_1: u8,
attesting_value: Field,
operator: u8,
// Set membership
set_root: Field,
set_index: Field,
set_merkle_proof: [Field; SetDepth],
// Set non-membership - SNM
snm_path_low: [Field; SetDepth],
snm_val_low: Field,
snm_next_val: Field,
snm_next_idx: Field,
snm_index_low: Field,
snm_root: Field
){
id_ownership_by_signature::eddsa_ownership_verify(
public_key_x,
public_key_y,
iop_auth_path,
iop_auth_index,
iop_claim_root,
iop_revoked_claim_root,
holder_state,
signature_s,
signature_r8_x,
signature_r8_y,
challenge
);
let claim_hash = claim::claim_hash(claim);
state::check_claim_existence(claim_hash, cep_claim_merkle_path, cep_claim_index, cep_claim_root);
state::check_identity_state(cep_auth_root, cep_claim_root, cep_revoked_claim_root, cep_issuer_state);
state::check_claim_nonrevocation(
claim_hash,
cnp_path_low,
cnp_val_low,
cnp_next_val,
cnp_next_idx,
cnp_index_low,
cnp_revocation_root
);
state::check_identity_state(cnp_auth_root, cnp_claim_root, cnp_revocation_root, cnp_issuer_state);
claim::verify_claim_fields(
claim,
expected_schema,
valid_until,
expected_sequel,
expected_subject
);
if(query_type == 0){
claim::query_single_value(
claim,
slot_index_0,
attesting_value,
operator
);
} else if (query_type == 1) {
claim::query_double_values(
claim,
slot_index_0,
slot_index_1,
operator
);
} else if(query_type == 2) {
claim::verify_membership(
claim,
slot_index_0,
set_root,
set_index,
set_merkle_proof,
);
} else if(query_type == 3) {
claim::verify_non_membership(
claim,
slot_index_0,
snm_path_low,
snm_val_low,
snm_next_val,
snm_next_idx,
snm_index_low,
snm_root
);
}
}
fn present_claim_with_ecdsa<AuthDepth, ClaimDepth, SetDepth>(
claim: [Field; 8],
// Id ownership proof - IOP
public_key_x: [u8; 32],
public_key_y: [u8; 32],
iop_auth_path: [Field; AuthDepth],
iop_auth_index: Field,
iop_claim_root: Field,
iop_revoked_claim_root: Field,
holder_state: Field,
signature: [u8; 64],
challenge: Field,
// Claim existence proof - CEP
cep_claim_merkle_path: [Field; ClaimDepth],
cep_claim_index: Field,
cep_claim_root: Field,
cep_auth_root: Field,
cep_revoked_claim_root: Field,
cep_issuer_state: Field,
// Claim non-revocation proof - CNP
cnp_path_low: [Field; ClaimDepth],
cnp_val_low: Field,
cnp_next_val: Field,
cnp_next_idx: Field,
cnp_index_low: Field,
cnp_revocation_root: Field,
cnp_auth_root: Field,
cnp_claim_root: Field,
cnp_issuer_state: Field,
// Claim validation
expected_schema: Field,
valid_until: Field,
expected_sequel: Field,
expected_subject: Field,
/*
0: single
1: double
2: set
3: non-set
*/
query_type: u8,
// Claim query
slot_index_0: u8,
slot_index_1: u8,
attesting_value: Field,
operator: u8,
// Set membership
set_root: Field,
set_index: Field,
set_merkle_proof: [Field; SetDepth],
// Set non-membership - SNM
snm_path_low: [Field; SetDepth],
snm_val_low: Field,
snm_next_val: Field,
snm_next_idx: Field,
snm_index_low: Field,
snm_root: Field
){
id_ownership_by_signature::ecdsa_ownership_verify(
public_key_x,
public_key_y,
iop_auth_path,
iop_auth_index,
iop_claim_root,
iop_revoked_claim_root,
holder_state,
signature,
challenge
);
let claim_hash = claim::claim_hash(claim);
state::check_claim_existence(claim_hash, cep_claim_merkle_path, cep_claim_index, cep_claim_root);
state::check_identity_state(cep_auth_root, cep_claim_root, cep_revoked_claim_root, cep_issuer_state);
state::check_claim_nonrevocation(
claim_hash,
cnp_path_low,
cnp_val_low,
cnp_next_val,
cnp_next_idx,
cnp_index_low,
cnp_revocation_root
);
state::check_identity_state(cnp_auth_root, cnp_claim_root, cnp_revocation_root, cnp_issuer_state);
claim::verify_claim_fields(
claim,
expected_schema,
valid_until,
expected_sequel,
expected_subject
);
if(query_type == 0){
claim::query_single_value(
claim,
slot_index_0,
attesting_value,
operator
);
} else if (query_type == 1) {
claim::query_double_values(
claim,
slot_index_0,
slot_index_1,
operator
);
} else if(query_type == 2) {
claim::verify_membership(
claim,
slot_index_0,
set_root,
set_index,
set_merkle_proof,
);
} else if(query_type == 3) {
claim::verify_non_membership(
claim,
slot_index_0,
snm_path_low,
snm_val_low,
snm_next_val,
snm_next_idx,
snm_index_low,
snm_root
);
}
}