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据《Defense & Security Electronics》1995年10月刊报道,由Jones Futurex公司研制的SentryLink 576和SentryLink 144i是装备在计算机和Modem之间的异步和同步链路加密器。这两种加密器都能为远程拨出访问保护和通过Modem的保密数据传输提供可靠的安全特性。576加密器采用DES和JFX E2加密算法,操作速率可达57.6kb/s,并能与基于DES的SentryLink 192兼容。
According to Defense & Security Electronics’s October 1995 issue, SentryLink 576 and SentryLink 144i, developed by Jones Futurex Inc., are asynchronous and synchronous link encryptors installed between a computer and a modem. Both ciphers provide reliable security for dial-out access protection and for secure data transfer over the modem. The 576 encryptor uses DES and JFX E2 encryption algorithms and operates at up to 57.6kb / s and is compatible with SentryLink 192 based DES.