Signature Restoration for Enhancing Robustness of FPGA IP Designs

Signature Restoration for Enhancing Robustness of FPGA IP Designs
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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
Xia’an Bi
中科院分区:
--
文献类型:
--
作者:
Jing Long;Dafang Zhang;Wei Liang;Xia’an Bi

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许多用于知识产权IP保护的水印技术对于篡改或移除攻击没有弹性,特别是对于基于现场可编程门阵列FPGA的IP核。如果受到攻击,损坏的水印无法在法庭上提供足够的证据。为了解决这个问题,作者提出了一个签名恢复方案。引入秘密共享的思想,将签名分成小水印。这些水印用Reed-Solomon RS码进行编码,并嵌入到使用过的切片的未使用的查找表LUT中。与现有的大多数技术不同,该方案只需提取部分水印即可恢复签名。因此,它是容忍一些破坏水印造成的删除攻击。实验表明,该方案不需要额外的硬件资源和时间开销。与其他方案相比,该方案具有更好的鲁棒性.
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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