Int 10: ️ Quantum Cryptography - Ancaman & Masa Depan Kriptografi

cd ~ && mkdir crypto-int10 && cd crypto-int10

python3 << 'PYEOF'
print("=== Quantum Computing & Cryptography ==*")
print()

# 1. Shor's Algorithm - RSA killer
print("Algoritma Shor (1994)")
print("  → Memfaktorkan bilangan besar dalam POLYNOMIAL time")
print("  → RSA (factorization-based): **BROKEN** oleh quantum computer")
print("  → ECC (discrete log): **BROKEN** oleh quantum computer")
print()

# 2. Grover's Algorithm - symmetric key threat
print("Algoritma Grover")
print("  → Search dalam O(√N) - bukan O(N)")
print("  → AES-128: turun dari 2^128 → 2^64 (setengah!)")
print("  → AES-256: turun dari 2^256 → 2^128 (MASIH AMAN)")
print()

# 3. Yang Terancam
print("=== RUSAK oleh Quantum Computer ==*")
print("  ❌ RSA (factorization)")
print("  ❌ ECC / ECDSA / ECDH (discrete log)")
print("  ❌ Diffie-Hellman (discrete log)")
print("  ❌ DSA (digital signature algorithm)")
print()

# 4. Yang AMAN
print("=== MASIH AMAN oleh Quantum? ==*")
print("  ✅ AES-256 (Grover: 2^128 masih kuat)")
print("  ✅ SHA3-256/512 (hash functions)")
print("  ✅ HMAC")
print("  ✅ Lattice-based crypto (NIST PQC finalists)")
print("  ✅ Code-based crypto (McEliece)")
print()

# 5. Post-Quantum Cryptography
print("=== NIST Post-Quantum Standardization (2024) ==*")
print("  ✅ CRYSTALS-Kyber - Key Encapsulation (standar baru)")
print("  ✅ CRYSTALS-Dilithium - Digital Signature")
print("  ✅ FALCON - Digital Signature (alternatif)")
print("  ✅ SPHINCS+ - Hash-based Signature")
print()

# 6. Timeline
print("=== Timeline ==*")
print("  2024: NIST menetapkan PQC standar")
print("  2025-2028: Migrasi dimulai (hybrid mode)")
print("  2030: Target semua sistem siap post-quantum")
print("  2033: RSA-2048 bisa dipecahkan oleh quantum computer?")
PYEOF