Signature Restoration for Enhancing Robustness of FPGA IP Designs
Signature Restoration for Enhancing Robustness of FPGA IP Designs
复制标题
用于增强 FPGA IP 设计稳健性的签名恢复
DOI:
10.4018/ijisp.2015070103
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发表时间:
2015-07
影响因子:
0.8
通讯作者:
Xia’an Bi
中科院分区:
文献类型:
--
作者:
Jing Long;Dafang Zhang;Wei Liang;Xia’an Bi
Many watermarking techniques for intellectual property IP protection are not resilient to tampering or removal attacks, especially for field programmable gate array FPGA-based IP cores. If attacked, the damaged watermarks cannot provide sufficient evidence in front of a court. To address this issue, the authors present a signature restoration scheme. The thought of secret sharing is introduced to share the signature into small watermarks. These watermarks are encoded with Reed-Solomon RS codes and embedded into unused lookup tables LUTs of used slices. Unlike most of existing techniques, the proposed scheme can restore the signature only by extracting parts of watermarks. So, it is tolerant to some damaged watermarks caused by removal attacks. The experiments show that the proposed scheme incurs no extra hardware resource and timing overhead. The robustness against attacks is much better by comparing to other schemes.
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