CVE-2026-6923 TPM侧信道导致ECDH密钥提取漏洞

# PoC Concept for TPM Side-Channel Attack (CVE-2026-6923) # Note: This is a conceptual simulation. Real exploitation requires physical hardware access # and measurement equipment (e.g., oscilloscope) to capture power traces. import numpy as np def simulate_ecdh_key_extraction(power_traces): """ Simulates the analysis of power traces to recover an ECDH key. In a real attack, this would use CPA (Correlation Power Analysis). """ recovered_key = [] # Iterate through hypothetical key bits (e.g., 256-bit for ECC) for bit_index in range(256): # Hypothetical power model for the bit operation model = generate_hamming_weight_model(bit_index) # Calculate correlation between measured traces and power model correlation = np.corrcoef(power_traces, model)[0, 1] # Determine bit value based on correlation threshold if correlation > 0.8: recovered_key.append('1') else: recovered_key.append('0') return int("".join(recovered_key), 2) def generate_hamming_weight_model(bit): """Generates a dummy power model for the specific bit.""" return np.random.random(1000) # Placeholder for real data print("Executing side-channel analysis...") # print(f"Extracted Key: {simulate_ecdh_key_extraction(np.random.random(1000))}")