| 单词 | one-time cipher |
| 释义 | > as lemmasone-time cipher one-time cipher n. a cipher in which the cipher representation of the alphabet is changed at random for each letter of the message, generating a key as long as the message. ΘΚΠ the mind > mental capacity > knowledge > secrecy, concealment > code, cipher > [noun] > particular codes character1605 needle-alphabet1663 unicode1886 rail fence1916 Vigenère1916 Playfair1918 Playfair1932 one-time system1955 speech code1973 one-time cipher1977 1977 Sci. Amer. Aug. 120/3 It is easy to see why the one-time cipher is uncrackable even in principle. Since each symbol can be represented by any other symbol, and each choice of representation is completely random, there is no internal pattern. 1995 Guardian (Nexis) 15 July 3 The Russians' shortage of highly secure one-time cypher pads allowed the US and Britain to decode messages sent by KGB agents. < as lemmas |
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