Create zkp_verification.py

Author: KOSASIH

blockchain/zkp_verification.py

@@ -0,0 +1,80 @@
+# blockchain/zkp_verification.py
+
+import logging
+from zkp_library import ZKP  # Hypothetical ZKP library
+
+# Configure logging
+logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
+
+class ZKPVerification:
+    def __init__(self):
+        """
+        Initialize the ZKPVerification system.
+        """
+        self.zkp = ZKP()  # Initialize the ZKP library
+        logging.info("ZKP Verification system initialized.")
+
+    def setup(self):
+        """
+        Set up the ZKP system (e.g., generate keys).
+        """
+        try:
+            self.zkp.setup()
+            logging.info("ZKP system setup completed.")
+        except Exception as e:
+            logging.error(f"Failed to set up ZKP system: {e}")
+
+    def generate_proof(self, secret_data):
+        """
+        Generate a Zero-Knowledge Proof for the given secret data.
+        
+        :param secret_data: The underlying data to prove knowledge of.
+        :return: A proof that can be used for verification.
+        """
+        try:
+            proof = self.zkp.create_proof(secret_data)
+            logging.info("Proof generated successfully.")
+            return proof
+        except Exception as e:
+            logging.error(f"Failed to generate proof: {e}")
+            return None
+
+    def verify_proof(self, proof):
+        """
+        Verify the Zero-Knowledge Proof.
+        
+        :param proof: The proof to verify.
+        :return: Boolean indicating whether the proof is valid.
+        """
+        try:
+            is_valid = self.zkp.verify_proof(proof)
+            if is_valid:
+                logging.info("Proof verified successfully.")
+            else:
+                logging.warning("Proof verification failed.")
+            return is_valid
+        except Exception as e:
+            logging.error(f"Failed to verify proof: {e}")
+            return False
+
+if __name__ == "__main__":
+    # Example usage
+    zkp_verification = ZKPVerification()
+
+    # Setup the ZKP system
+    zkp_verification.setup()
+
+    # Sample secret data
+    secret_data = {
+        "owner": "user_001",
+        "data_type": "DNA",
+        "sequence": "ATCGTAGCTAGCTAGCTAGC"
+    }
+
+    # Generate proof
+    proof = zkp_verification.generate_proof(secret_data)
+
+    # Verify proof
+    if proof:
+        is_valid = zkp_verification.verify_proof(proof)
+        print(f"Is the proof valid? {is_valid}")