计算机术语“public key cryptography”的中英文意思、释义、翻译及用法-计算机英汉双解词典

术语	public key cryptography
释义	public key cryptography 公开密钥密码学［技术］ In cryptography, an asymmetric cryptosystem (i.e., one in which the encipheringand deciphering keys are different and it is computationally infeasible to calculate one from the other,given the enciphering algorithm). In public key cryptography the enciphering key is made public, but the deciphering key is kept secret. It has advantages over symmetric ciphers, such as DES, in the following areas: (a) security of message;(b) key management; and (c) digital signatures. 在密码学中,一种反对称密码体系(即加密和解密密钥是不同的,且即使得到加密算法,理论上也不可能由一个密钥推算另一个)。在公开密钥密码技术中,加密密钥是公开的,解密密钥是保密的。在以下方面,它比诸如DES之类的对称密码体系有优越性: (1) 信息的保密性,(2) 密钥管理,(3) 数字签名。
随便看	exit routine EXLST exit routine expanded addressing expanded data flow diagram expanded function operator panel expanded order expanded storage expand escapement expanding opcode expansion expansion board expansion card expansion interface expect expedited flow expedited message handling(EMH) expedited(N)-service-data-unit expert system expert systems shell expiration check expiration date explicit address explicit declaration explicit function explicit literal

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