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[Crack Hack] anquan DL : 0: 《网络安全技术》实验报告DES是Data Encryption Standard(数据加密标准)的缩写。它是由IBM公司研制的一种加密算法，美国国家标准局于1977年公布把它作为非机要部门使用的数据加密标准，二十年来，它一直活跃在国际保密通信的舞台上，扮演了十分重要的角色。DES是一个分组加密算法，分组长度为64b，密钥长度也为64b,但因为含有8个奇偶校验比特，所以实际密钥长度为56b。DES算法是迄今为止使用最为广泛的加密算法。有关算法的详细介绍请参阅教材。- Network security technology, the report experimental DES is Data Encryption Standard (Data Encryption Standard) abbreviation. It is developed by IBM as a encryption algorithm, the United States National Bureau of Standards published in 1977 as the use of non-confidential data encryption standard, the last two decades, it has been active in the international arena and secure communication played a a very important role. DES is a block cipher algorithm, packet length 64b, key length for 64b, but because containing eight parity bits, so the actual length of the key 56b. DES algorithm is by far the most widely used encryption algorithm. Details on the algorithm please refer to materials.
Date : 2025-12-29 Size : 733kb User : ssiy
[Crack Hack] VPN DL : 2: VPN是通过Internet建立一个临时的、安全的连接，进行数据信息的通信传输。VPN采用加解密技术和密钥管理技术保障数据传输的安全。-VPN through the Internet to build a temporary, secure connection for data communication transmission. VPN with encryption technology and key management technology to protect the security of data transmission.
Date : 2025-12-29 Size : 3.5mb User : YCLIU