22 lines
697 B
Python
22 lines
697 B
Python
"""ZKP prototype for BeXProof.
|
|
|
|
This is a lightweight stand-in for a real ZKP back-end. It produces a compact
|
|
certificate-like proof deterministically derived from the log entry and policy.
|
|
"""
|
|
from __future__ import annotations
|
|
import json
|
|
import hashlib
|
|
from .policy import Policy
|
|
|
|
|
|
def generate_proof(log_entry: dict, policy: Policy) -> dict:
|
|
# Produce a deterministic, compact proof representation (string hash)
|
|
seed = {
|
|
"log": log_entry,
|
|
"policy_version": policy.version,
|
|
"policy_rules": policy.rules,
|
|
}
|
|
blob = json.dumps(seed, sort_keys=True).encode("utf-8")
|
|
proof_hash = hashlib.sha256(blob).hexdigest()
|
|
return {"proof": f"zkp-{proof_hash}"}
|