From 88c2f174f7a5f9b9ea20df9165ea13cebce12458 Mon Sep 17 00:00:00 2001 From: Matt Dixon Date: Thu, 28 Nov 2024 15:36:44 -0500 Subject: [PATCH] Implement quantum-enhanced encryption method in QuantumEnhancedLWE class --- .../core/quantum_enhanced_lwe.py | 40 ++++++++++++++++++- 1 file changed, 39 insertions(+), 1 deletion(-) diff --git a/src/quantum_enhanced_lwe/core/quantum_enhanced_lwe.py b/src/quantum_enhanced_lwe/core/quantum_enhanced_lwe.py index 4df1f28..83fd515 100644 --- a/src/quantum_enhanced_lwe/core/quantum_enhanced_lwe.py +++ b/src/quantum_enhanced_lwe/core/quantum_enhanced_lwe.py @@ -1,4 +1,4 @@ -from quantum_resonance_circuit import QuantumCircuit +from .quantum_resonance_circuit import QuantumResonanceCircuit import numpy as np class QuantumEnhancedLWE: @@ -12,6 +12,44 @@ def __init__(self, n=256, q=4093, sigma=1.0): self.n = n self.q = q self.sigma = sigma + self.quantum_circuit = QuantumResonanceCircuit() # Initialize quantum circuit + + def quantum_enhanced_encrypt(self, pk, m): + """ + Encrypt a message using quantum-enhanced techniques. + :param pk: Public key + :param m: Message to encrypt (0 or 1) + :return: Ciphertext as a tuple of (a, c) + """ + # Initialize quantum circuit state + q_state = self.quantum_circuit.initialize_state() + + # Evolve quantum state + evolved_state = self.quantum_circuit.evolve_state(q_state, 1e-9) + + # Calculate quantum noise from evolved state + quantum_noise = np.abs(evolved_state[0]) + + # Create entangled circuit for additional randomness + entangled_circuit = self.quantum_circuit.create_entangled_circuit() + + # Standard LWE encryption with quantum enhancement + a = self.sample_uniform(self.n) + e = self.sample_error(1)[0] + + # Add quantum noise to error term + e = (e + int(quantum_noise * self.q)) % self.q + + # Calculate total quantum possibilities + quantum_factor = self.quantum_circuit.get_total_possibilities() + + # Apply quantum factor to error term + e = (e + int(quantum_factor)) % self.q + + b = (np.dot(a, pk[0]) + e) % self.q + c = (b + m * (self.q // 4)) % self.q + + return a, c def gen_keypair(self): """