Authentication of FPGA Bitstreams: Why and How

Authentication of FPGA Bitstreams: Why and How
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FPGA 比特流的验证:原因和方法

DOI:
10.1007/978-3-540-71431-6_7
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发表时间:
2007
期刊:
Proceedings. 2005 IEEE International Conference on Field-Programmable Technology, 2005.
影响因子:
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通讯作者:
Saar Drimer
Saar Drimer
中科院分区:
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文献类型:
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作者:
Saar Drimer

文献摘要

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对易失的FPGA比特流进行加密可为设计提供机密性,但不能确保其真实性。本文通过提供此功能有用的应用程序示例,激发了将身份验证添加到配置过程的需求。在研究了可能的解决方案之后,考虑到了FPGA的配置环境限制,提出了一个实用的解决方案。这里提供的解决方案涉及两个并行运行的对称密钥加密核心,以提供身份验证和机密性,同时共享资源以实现高效实施。
Encryption of volatile FPGA bitstreams provides confidentiality to the design but does not ensure its authenticity. This paper motivates the need for adding authentication to the configuration process by providing application examples where this functionality is useful. An examination of possible solutions is followed by suggesting a practical one in consideration of the FPGA's configuration environment constraints. The solution presented here involves two symmetric-key encryption cores running in parallel to provide both authentication and confidentiality while sharing resources for efficient implementation.