quantum_key_generator.py

import random


class FuturisticQuantumKeyGenerator:
    """A class for generating and correcting quantum keys using Qiskit.

    This class simulates quantum key generation and applies basic error correction.

    Attributes:
        num_qubits (int): The number of qubits used in the quantum circuit.
    """

    def __init__(self, num_qubits: int) -> None:
        """Initialize the FuturisticQuantumKeyGenerator.

        Args:
            num_qubits (int): Number of qubits for the quantum circuit. Must be a positive integer.
        """
        self.num_qubits = num_qubits

    def generate_quantum_key(self) -> str:
        """Generate a quantum key using random simulation (placeholder for actual quantum).

        Simulates quantum key generation with random bits.

        Returns:
            str: A binary string representing the generated quantum key.
        """
        # Placeholder: In real quantum, this would use superposition and measurement
        key = "".join(random.choice("01") for _ in range(self.num_qubits))
        return key

    def apply_quantum_error_correction(self, key: str) -> str:
        """Apply quantum error correction to the key.

        Currently a placeholder that returns the key unchanged.
        In a full implementation, this would use quantum error correction codes.

        Args:
            key (str): The raw quantum key to correct.

        Returns:
            str: The error-corrected key.
        """
        # Placeholder for error correction logic
        corrected_key = key  # Simplified example
        return corrected_key


if __name__ == "__main__":
    qkg = FuturisticQuantumKeyGenerator(5)
    raw_key = qkg.generate_quantum_key()
    corrected_key = qkg.apply_quantum_error_correction(raw_key)
    print("Generated Quantum Key:", corrected_key)