Sleep-Paralysis 发表于 2025-3-26 22:17:54
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Robert M. Hendersonhave extremely fast implementations, but sender and receiver have to share a secret key. Public key cryptosystems (the second main area) make it possible to protect data without a prearranged key. Their security is based on intractable mathematical problems, like the factorization of large numbers.敏捷 发表于 2025-3-27 17:14:07
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Maria Luisa S. Sequeira Lopez,R. Ariel Gomezo undergone vigorous development. Many remark able phenomena have been discovered in crystals and then found various practical applications. Other important factors promoting the development of crystallography were the elaboration of the theory of crystal growth (which brought crystallography close禁止 发表于 2025-3-28 09:26:03
Robin L. Maser,Brenda S. Magenheimer,Christopher A. Zien,James P. Calvetthe struggle of living organisms for survival, for example, in economic competition, in military combat, and in many cases when the control problems must be solved, taking into consideration the purposeful counteraction of the improved functioning of the control system of the adversary. The existenc无弹性 发表于 2025-3-28 13:09:38
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