1771-CD
1771-CD
安全通信的密钥
在S-
(1)WK.可分为用于对个人标识码加密的密钥及进行报文鉴别的密钥,均由S-
(2)KEK.用于对工作密钥WK进行加密保护,共享的KEK.KEK只能写入并参与运算,不能被读取。KEK应至少有3个,以便当KEK泄密时软、硬件采取同步内置算法,及时、方便地予以更换。PC中的S-
1771-CD
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传真:
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