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URDP: General Framework for Direct CCA2 Security from any Lattice-Based PKE Scheme
Post-quantum cryptography Lattice-based PKE scheme Universal random data padding CCA2-security
2013/4/18
Design efficient Lattice-based cryptosystem secure against adaptive chosen ciphertext attack (IND-CCA2) is a challenge problem. To the date, full CCA2-security of all proposed Lattice-based PKE scheme...