2914 - 量子安全密码学：在量子计算时代保护数据.pdf

1、IBM ResearchOctober 2025IBM Quantum SafeQuantum Safe Cryptography:Protecting Data in the Era of Quantum ComputingUmut Cikla&Umut Cikla&Walid Walid RjaibiRjaibiIBM Quantum Safe IBM Quantum Safe ResearchResearchSessionSession 2912914 4IBM Quantum mission2Bring useful quantum computing to the worldMake

2、 the worldquantum safe 2025 IBM CorporationWhat is Quantum Computing in a nutshell?3IBM Quantum 2023 IBM CorporationInformationMacroscopicMicroscopicClassical MechanicsDeterministic ProcessKolmogorovProbabilityA quantum computer isnt a new,bigger or faster classical computer.It is a completely diffe

3、rent computing paradigm.QuantumComputing offers unprecedented data processing capabilities and opens opportunities from quantitative finance to data science,and novel innovation opportunities for the financial sector.Classical ComputingGates00100110111001001001000101000100100101100100010001001001001

4、11001000101000100100101100100Deterministic BitsCPUGPUAIUConvergenceQGatesQPUProbabilistic*QubitsQuantum MechanicsProbabilisticProcessQuantumProbability*UseCase Centric Technology AllocationQuantum ComputingIBM Quantum is pioneering the full-stack development of quantum-centric supercomputing to acce

5、lerate thepath to quantum advantage.Qubits have some powerful“tools”unique to quantum computingIBM Quantum Safe/2024 IBM CorporationSuperpositionSuperpositionProbabilistic representationof both 0/1 simultaneouslyEntanglementEntanglementInformation shared jointly between entangled pairs or group.Inte

6、rferenceInterferenceInteraction that affects likelihood of solutionsSolutions can be found more efficientlyExponential increase in potential compute powerStore vast amounts of data compared to regular bitsN qubits 2N bits127 qubits 2127 bits=1.71038 bitsClassicalbits canrepresent two discretestates,