| 术语 | block cipher |
| 释义 | block cipher 块［分组］密码 1.Ciphers which accept a fixed-length block of input and produce a fixed-length block of output. 用来接收定长输入块而产生定长输出块的一种密码。 2.In cryptography, a cipher in which the plaintext must be assembled into blocks with a blocksize determined by the cryptographic algorithm designer; the corresponding ciphertext block depends only upon the cryptographic key, the algorithm and plaintext block. Thus for any given cryptographic key the cipher effectively provides a massive code book with entries for every possible plaintext block and corresponding ciphertext block. 一种密码,它将明文编成长度由加密算法设计者决定的组,而对应的密文组由密钥、算法 以及明文所决定。所以,对于任意给定的密钥,此密码对每一可能的明文块和对应的密文块 都产生一个庞大的码本。 |
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