发明名称 Local area nework encryption decryption system
摘要 The present invention relates to a data encryption and/or decryption system comprised of apparatus for storing encryption and/or decryption keys, an encryption and or decryption processor for receiving data signals, for receiving the key or keys from the storing apparatus, and for encrypting or decrypting the data signals in accordance with the key or keys, an output data bus for receiving the encrypted or decrypted signals from the processor, apparatus for plugging the system into a read-only memory (ROM) socket of a computer for access to a source of the data signals and to the output data bus, whereby the data signals are received, and encrypted data signals are passed through the ROM socket.
申请公布号 US5633934(A) 申请公布日期 1997.05.27
申请号 US19960670438 申请日期 1996.06.26
申请人 HEMBER, JOHN T. 发明人 HEMBER, JOHN T.
分类号 H04L29/06;(IPC1-7):H04L9/00 主分类号 H04L29/06
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