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在密码序列中有原始密码序列经过加工打乱和延长以后有多个头输出。设其输出头数为m,从中取出n个输出头来,这儿m>n,作为组合逻辑的输入,经组合后形成密码序列,然后对消息进行加密,如(图1)所示。如组合逻辑n个输入头中有一个,或一个以上换成
In the password sequence in the original password sequence after processing upset and extended multiple header output. Suppose that the number of output heads is m, from which n output heads are taken out, where m> n as input to the combinational logic, which is combined to form a password sequence and then the message is encrypted as shown in FIG. 1. Such as combinational logic n input header in one, or more than one