Create quantum_communication.py

Author: KOSASIH

satellite_node_network/quantum_communication.py

@@ -0,0 +1,104 @@
+import logging
+import random
+import numpy as np
+
+class QuantumCommunication:
+    """
+    Class for managing quantum communication protocols between satellite nodes.
+
+    Attributes:
+        node_id (str): Unique identifier for the satellite node.
+    """
+
+    def __init__(self, node_id):
+        """
+        Initializes a QuantumCommunication instance.
+
+        Args:
+            node_id (str): Unique identifier for the satellite node.
+        """
+        self.node_id = node_id
+        logging.info(f"QuantumCommunication initialized for Node {self.node_id}.")
+
+    def generate_quantum_key(self, length=128):
+        """
+        Generates a random quantum key for secure communication.
+
+        Args:
+            length (int): Length of the quantum key in bits.
+
+        Returns:
+            str: A binary string representing the quantum key.
+        """
+        key = ''.join(random.choice('01') for _ in range(length))
+        logging.info(f"Node {self.node_id} generated quantum key: {key}")
+        return key
+
+    def encode_message(self, message, quantum_key):
+        """
+        Encodes a message using a quantum key.
+
+        Args:
+            message (str): The message to encode.
+            quantum_key (str): The quantum key to use for encoding.
+
+        Returns:
+            str: The encoded message.
+        """
+        encoded_message = ''.join(
+            str(int(m) ^ int(k)) for m, k in zip(message, quantum_key)
+        )
+        logging.info(f"Node {self.node_id} encoded message: {encoded_message}")
+        return encoded_message
+
+    def decode_message(self, encoded_message, quantum_key):
+        """
+        Decodes an encoded message using a quantum key.
+
+        Args:
+            encoded_message (str): The encoded message to decode.
+            quantum_key (str): The quantum key to use for decoding.
+
+        Returns:
+            str: The decoded message.
+        """
+        decoded_message = ''.join(
+            str(int(e) ^ int(k)) for e, k in zip(encoded_message, quantum_key)
+        )
+        logging.info(f"Node {self.node_id} decoded message: {decoded_message}")
+        return decoded_message
+
+    def secure_communication(self, other_node, message):
+        """
+        Establishes secure communication with another node.
+
+        Args:
+            other_node (str): The identifier of the other node.
+            message (str): The message to send.
+
+        Returns:
+            str: The response from the other node.
+        """
+        logging.info(f"Node {self.node_id} initiating secure communication with Node {other_node}.")
+        
+        # Generate a quantum key
+        quantum_key = self.generate_quantum_key(length=len(message))
+        
+        # Encode the message
+        encoded_message = self.encode_message(message, quantum_key)
+        
+        # Simulate sending the encoded message to the other node
+        response = f"Encoded message sent to {other_node}: {encoded_message}"
+        logging.info(response)
+        
+        # Simulate receiving the response (for demonstration purposes)
+        return response
+
+# Example usage
+if __name__ == "__main__":
+    logging.basicConfig(level=logging.INFO)
+    quantum_comm_node = QuantumCommunication(node_id="Node1")
+    
+    message = "10101010"  # Example binary message
+    response = quantum_comm_node.secure_communication(other_node="Node2", message=message)
+    print(response)