async def verifyProof(self, msg: Any):
body, (frm, _) = msg
link = self.verifyAndGetLink(msg)
if not link:
raise NotImplementedError
proof = body[PROOF_FIELD]
proofRequest = ProofRequest.from_str_dict(body[PROOF_REQUEST_FIELD])
nonce = getNonceForProof(body[NONCE])
proofName = proofRequest.name
proofs = {}
for key, p in proof['proofs'].items():
schema = await self.verifier.wallet.getSchema(
ID(schemaId=int(p['schema_seq_no'])))
pk = await self.verifier.wallet.getPublicKey(
ID(schemaKey=schema.getKey()))
proofs[key] = ProofInfo.from_str_dict(p, str(pk.N))
proof = FullProof(
proofs, AggregatedProof.from_str_dict(proof['aggregated_proof']),
RequestedProof.from_str_dict(proof['requested_proof']))
result = await self.verifier.verify(proofRequest, proof)
self.logger.info('Proof "{}" accepted with nonce {}'.format(
proofName, nonce))
self.logger.info('Verifying proof "{}" from {}'.format(
proofName, link.name))
status = 'verified' if result else 'failed verification'
resp = {
TYPE:
PROOF_STATUS,
DATA:
' Your Proof {} {} was received and {}\n'.format(
proofRequest.name, proofRequest.version, status),
}
self.signAndSend(resp,
link.localIdentifier,
frm,
origReqId=body.get(f.REQ_ID.nm))
if result:
for uuid, attribute in proofRequest.verifiableAttributes.items():
# Log attributes that were verified
self.logger.info('verified {}: {}'.format(
attribute.name,
proof.requestedProof.revealed_attrs[uuid][1]))
self.logger.info(
'Verified that proof "{}" contains attributes '
'from claim(s) issued by: {}'.format(
proofName, ", ".join(
sorted([v.issuer_did
for k, v in proof.proofs.items()]))))
await self._postProofVerif(proofName, link, frm)
else:
self.logger.info(
'Verification failed for proof {} from {} '.format(
proofName, link.name))
async def verifyClaimProof(self, msg: Any):
body, (frm, ha) = msg
link = self.verifyAndGetLink(msg)
if not link:
raise NotImplementedError
claimName = body[NAME]
nonce = getNonceForProof(body[NONCE])
proof = FullProof.fromStrDict(body[PROOF_FIELD])
proofInput = ProofInput.fromStrDict(body[PROOF_INPUT_FIELD])
revealedAttrs = fromDictWithStrValues(body[REVEALED_ATTRS_FIELD])
result = await self.verifier.verify(proofInput, proof, revealedAttrs,
nonce)
status = 'verified' if result else 'failed verification'
resp = {
TYPE:
CLAIM_PROOF_STATUS,
DATA:
' Your claim {} {} was received and {}\n'.format(
body[NAME], body[VERSION], status),
}
self.signAndSend(resp,
link.localIdentifier,
frm,
origReqId=body.get(f.REQ_ID.nm))
if result:
await self._postClaimVerif(claimName, link, frm)
async def verify(proof, conn):
proof = FullProof.from_str_dict(proof, [global_dict['public_key'].N])
assert proof.requestedProof.revealed_attrs['attr_uuid'][1] == 'Alex'
valid = await global_dict['verifier'].verify(global_dict['proof_request'], proof)
conn.send(json.dumps(valid).encode())
async def testClaimProofFromToDictPrimaryOnly(prover1, nonce, claimsProver1Gvt):
proofInput = ProofInput(['name'], [PredicateGE('age', 18)])
proof, _ = await prover1.presentProof(proofInput, nonce)
proofs = [Proof(primaryProof=proof.proofs[0].primaryProof)]
proof = proof._replace(proofs=proofs)
assert proof == FullProof.fromStrDict(proof.toStrDict())
async def _prepareProof(self, claims: Dict[SchemaKey, ProofClaims], nonce,
requestedProof) -> FullProof:
m1Tilde = cmod.integer(cmod.randomBits(LARGE_M2_TILDE))
initProofs = {}
CList = []
TauList = []
# 1. init proofs
for schemaId, val in claims.items():
c1, c2, revealedAttrs, predicates = val.claims.primaryClaim, val.claims.nonRevocClaim, val.revealedAttrs, val.predicates
claim = await self.wallet.getClaimAttributes(ID(schemaId=schemaId))
nonRevocInitProof = None
if c2:
nonRevocInitProof = await self._nonRevocProofBuilder.initProof(
schemaId, c2)
CList += nonRevocInitProof.asCList()
TauList += nonRevocInitProof.asTauList()
primaryInitProof = None
if c1:
m2Tilde = cmod.integer(int(nonRevocInitProof.TauListParams.m2)
) if nonRevocInitProof else None
primaryInitProof = await self._primaryProofBuilder.initProof(
schemaId, c1, revealedAttrs, predicates, m1Tilde, m2Tilde,
claim)
CList += primaryInitProof.asCList()
TauList += primaryInitProof.asTauList()
initProof = InitProof(nonRevocInitProof, primaryInitProof)
initProofs[schemaId] = initProof
# 2. hash
cH = self._get_hash(self._prepare_collection(CList),
self._prepare_collection(TauList), nonce)
# 3. finalize proofs
proofs = {}
for schemaId, initProof in initProofs.items():
nonRevocProof = None
if initProof.nonRevocInitProof:
nonRevocProof = await self._nonRevocProofBuilder.finalizeProof(
schemaId, cH, initProof.nonRevocInitProof)
primaryProof = await self._primaryProofBuilder.finalizeProof(
schemaId, cH, initProof.primaryInitProof)
schema = await self.wallet.getSchema(ID(schemaId=schemaId))
proof = Proof(primaryProof, nonRevocProof)
proofInfo = ProofInfo(proof=proof,
schema_seq_no=schemaId,
issuer_did=schema.issuerId)
proofs[str(schemaId)] = proofInfo
aggregatedProof = AggregatedProof(cH, self._prepare_collection(CList))
return FullProof(proofs, aggregatedProof, requestedProof)
async def testClaimProofFromToDict(prover1, nonce, claimsProver1Gvt):
proofRequest = ProofRequest("proof1", "1.0", 1,
verifiableAttributes={
'attr_uuid': AttributeInfo(name='name')},
predicates={'predicate_uuid': PredicateGE('age', 18)})
proof = await prover1.presentProof(proofRequest)
assert proof == FullProof.fromStrDict(proof.toStrDict())
async def testClaimProofFromToDictPrimaryOnly(prover1, nonce, claimsProver1Gvt, schemaGvt):
proofRequest = ProofRequest("proof1", "1.0", 1,
verifiableAttributes={
'attr_uuid': AttributeInfo(name='name')},
predicates={'predicate_uuid': PredicateGE('age', 18)})
proof = await prover1.presentProof(proofRequest)
proofInfo = proof.proofs[str(schemaGvt.seqId)]
proofs = {schemaGvt.seqId: ProofInfo(Proof(primaryProof=proofInfo.proof.primaryProof),
issuer_did=schemaGvt.issuerId,
schema_seq_no=proofInfo.schema_seq_no)}
proof = proof._replace(proofs=proofs)
assert proof == FullProof.fromStrDict(proof.toStrDict())
async def _prepareProof(self, claims: Dict[SchemaKey, ProofClaims],
nonce) -> FullProof:
m1Tilde = cmod.integer(cmod.randomBits(LARGE_M2_TILDE))
initProofs = {}
CList = []
TauList = []
# 1. init proofs
for schemaKey, val in claims.items():
c1, c2, revealedAttrs, predicates = val.claims.primaryClaim, val.claims.nonRevocClaim, val.revealedAttrs, val.predicates
nonRevocInitProof = None
if c2:
nonRevocInitProof = await self._nonRevocProofBuilder.initProof(
schemaKey, c2)
CList += nonRevocInitProof.asCList()
TauList += nonRevocInitProof.asTauList()
primaryInitProof = None
if c1:
m2Tilde = cmod.integer(int(
nonRevocInitProof.TauListParams.m2)) if nonRevocInitProof else None
primaryInitProof = await self._primaryProofBuilder.initProof(
schemaKey, c1, revealedAttrs, predicates,
m1Tilde, m2Tilde)
CList += primaryInitProof.asCList()
TauList += primaryInitProof.asTauList()
initProof = InitProof(nonRevocInitProof, primaryInitProof)
initProofs[schemaKey] = initProof
# 2. hash
cH = self._get_hash(CList, TauList, nonce)
# 3. finalize proofs
proofs = []
schemaKeys = []
for schemaKey, initProof in initProofs.items():
schemaKeys.append(schemaKey)
nonRevocProof = None
if initProof.nonRevocInitProof:
nonRevocProof = await self._nonRevocProofBuilder.finalizeProof(
schemaKey, cH, initProof.nonRevocInitProof)
primaryProof = await self._primaryProofBuilder.finalizeProof(
schemaKey, cH, initProof.primaryInitProof)
proofs.append(Proof(primaryProof, nonRevocProof))
return FullProof(cH, schemaKeys, proofs, CList)
async def verifyProof(self, msg: Any):
body, (frm, _) = msg
link = self.verifyAndGetLink(msg)
if not link:
raise NotImplementedError
proofName = body[NAME]
nonce = getNonceForProof(body[NONCE])
proof = FullProof.fromStrDict(body[PROOF_FIELD])
proofInput = ProofInput.fromStrDict(body[PROOF_INPUT_FIELD])
revealedAttrs = fromDictWithStrValues(body[REVEALED_ATTRS_FIELD])
result = await self.verifier.verify(proofInput, proof, revealedAttrs,
nonce)
self.logger.info('Proof "{}" accepted with nonce {}'.format(
proofName, nonce))
self.logger.info('Verifying proof "{}" from {}'.format(
proofName, link.name))
status = 'verified' if result else 'failed verification'
resp = {
TYPE:
PROOF_STATUS,
DATA:
' Your Proof {} {} was received and {}\n'.format(
body[NAME], body[VERSION], status),
}
self.signAndSend(resp,
link.localIdentifier,
frm,
origReqId=body.get(f.REQ_ID.nm))
if result:
for attribute in proofInput.revealedAttrs:
# Log attributes that were verified
self.logger.info('verified {}: {}'.format(
attribute, revealedAttrs[attribute]))
self.logger.info(
'Verified that proof "{}" contains attributes '
'from claim(s) issued by: {}'.format(
proofName,
", ".join(sorted([sk.issuerId
for sk in proof.schemaKeys]))))
await self._postProofVerif(proofName, link, frm)
else:
self.logger.info(
'Verification failed for proof {} from {} '.format(
proofName, link.name))
async def verifyProof(self, msg: Any):
body, (frm, _) = msg
link = self.verifyAndGetLink(msg)
if not link:
raise NotImplementedError
proofName = body[NAME]
nonce = getNonceForProof(body[NONCE])
proof = FullProof.fromStrDict(body[PROOF_FIELD])
proofInput = ProofInput.fromStrDict(body[PROOF_INPUT_FIELD])
revealedAttrs = fromDictWithStrValues(body[REVEALED_ATTRS_FIELD])
result = await self.verifier.verify(proofInput, proof,
revealedAttrs, nonce)
self.logger.info('Proof "{}" accepted with nonce {}'
.format(proofName, nonce))
self.logger.info('Verifying proof "{}" from {}'
.format(proofName, link.name))
status = 'verified' if result else 'failed verification'
resp = {
TYPE: PROOF_STATUS,
DATA: ' Your Proof {} {} was received and {}\n'.
format(body[NAME], body[VERSION], status),
}
self.signAndSend(resp, link.localIdentifier, frm,
origReqId=body.get(f.REQ_ID.nm))
if result:
for attribute in proofInput.revealedAttrs:
# Log attributes that were verified
self.logger.info('verified {}: {}'.
format(attribute, revealedAttrs[attribute]))
self.logger.info('Verified that proof "{}" contains attributes '
'from claim(s) issued by: {}'.format(
proofName, ", ".join(
sorted([sk.issuerId for sk in proof.schemaKeys]))))
await self._postProofVerif(proofName, link, frm)
else:
self.logger.info('Verification failed for proof {} from {} '
.format(proofName, link.name))
async def testClaimProofFromToDict(prover1, nonce, claimsProver1Gvt):
proofInput = ProofInput(['name'], [PredicateGE('age', 18)])
proof, _ = await prover1.presentProof(proofInput, nonce)
assert proof == FullProof.fromStrDict(proof.toStrDict())
