Software modem with hidden authentication commands

一种通讯系统,包含有实体层硬件单元和处理单元。实体层硬件单元适用于依据所指定的传输参数而通过通讯频道传送数据。实体层硬件单元适用于通过频道接收输入信号且取样输入信号以便产生所接收到数字式信号。处理单元适合执行的软件驱动器包含有适合执行从所接收到的数字式信号中抽离控制代码、产生鉴别码、和传送控制代码和鉴别码至实体层硬件单元的程序指令。此实体层硬件单元适用于响应控制代码与鉴别码的不一致而发出违反安全的信号。 A communications system includes a physical layer hardware unit and a processing unit. The physi...

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1. Verfasser: BARCLAY MICHAEL,STRONGIN GEOFFREY S.,SMITH DAVID W.,BARNES BRIAN C.,COLE TERRY L.,SCHMIDT RODNEY
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creator BARCLAY MICHAEL,STRONGIN GEOFFREY S.,SMITH DAVID W.,BARNES BRIAN C.,COLE TERRY L.,SCHMIDT RODNEY
description 一种通讯系统,包含有实体层硬件单元和处理单元。实体层硬件单元适用于依据所指定的传输参数而通过通讯频道传送数据。实体层硬件单元适用于通过频道接收输入信号且取样输入信号以便产生所接收到数字式信号。处理单元适合执行的软件驱动器包含有适合执行从所接收到的数字式信号中抽离控制代码、产生鉴别码、和传送控制代码和鉴别码至实体层硬件单元的程序指令。此实体层硬件单元适用于响应控制代码与鉴别码的不一致而发出违反安全的信号。 A communications system includes a physical layer hardware unit and a processing unit. The physical layer hardware unit is adapted to communicate data over a communications channel in accordance with assigned transmission parameters. The physical layer hardware unit is adapted to receive an incoming signal over the communications channel and sample the incoming signal to generate a digital received signal. The processing unit is adapted to execute a software driver including program instructions adapted to extract control codes from the digital received signal, generate an authentication code, and transfer the control codes and the authentication code to the physical layer hardware unit. The physical layer hardware unit is adapted to signal a security violation in response to the control codes being inconsistent with the authentication code. A method for identifying security violations in a transceiver includes receiving digital data over a communications channel; extracting control codes from the digital received signal; generating an authentication code; transferring the control codes and the authentication code to a physical layer hardware unit of the transceiver; configuring assigned transmission parameters of the physical layer hardware unit based on the control codes; and signaling a security violation in response to the control codes being inconsistent with the authentication code.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title Software modem with hidden authentication commands
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