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However, in this article, we show that split manufacturing is not inherently secure, that a hardware Trojan attacker can still recover necessary information with a proximity-based or a simulated-annealing-based mapping approach together with a probability-based or net-based pruning method at the placement level. We further propose a defense approach by moving the insecure gates away from their easily attacked candidate locations. Results on benchmark circuits show the effectiveness of our proposed methods.<\/jats:p>","DOI":"10.1145\/3378163","type":"journal-article","created":{"date-parts":[[2020,3,3]],"date-time":"2020-03-03T06:48:40Z","timestamp":1583218120000},"page":"1-23","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":12,"title":["How Secure Is Split Manufacturing in Preventing Hardware Trojan?"],"prefix":"10.1145","volume":"25","author":[{"given":"Yajun","family":"Yang","sequence":"first","affiliation":[{"name":"ShanghaiTech University, Shanghai"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhang","family":"Chen","sequence":"additional","affiliation":[{"name":"ShanghaiTech University, Shanghai"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuan","family":"Liu","sequence":"additional","affiliation":[{"name":"ShanghaiTech University, Shanghai"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tsung-Yi","family":"Ho","sequence":"additional","affiliation":[{"name":"National Tsinghua University, Hsinchu"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yier","family":"Jin","sequence":"additional","affiliation":[{"name":"University of Florida, Orlando"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pingqiang","family":"Zhou","sequence":"additional","affiliation":[{"name":"ShanghaiTech University, Shanghai"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2020,3,2]]},"reference":[{"key":"e_1_2_1_1_1","unstructured":"Oklahoma State University. 2015. 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