Debdeep Mukhopadhyay, Shibaji Banerjee, D. R. Chowdhury, B. Bhattacharya
{"title":"CryptoScan:一个安全的扫描链架构","authors":"Debdeep Mukhopadhyay, Shibaji Banerjee, D. R. Chowdhury, B. Bhattacharya","doi":"10.1109/ATS.2005.42","DOIUrl":null,"url":null,"abstract":"Scan based testing is a powerful and popular test technique. However the scan chain can be used by an attacker to decipher the cryptogram. The present paper shows such a side-channel attack on LFSR-based stream ciphers using scan chains. The paper subsequently discusses a strategy to build the scan chains in a tree based pattern with a selfchecking compactor. It has been shown that such a structure prevents such scan based attacks but does not compromise on fault coverage.","PeriodicalId":373563,"journal":{"name":"14th Asian Test Symposium (ATS'05)","volume":"131 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2005-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"56","resultStr":"{\"title\":\"CryptoScan: A Secured Scan Chain Architecture\",\"authors\":\"Debdeep Mukhopadhyay, Shibaji Banerjee, D. R. Chowdhury, B. Bhattacharya\",\"doi\":\"10.1109/ATS.2005.42\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Scan based testing is a powerful and popular test technique. However the scan chain can be used by an attacker to decipher the cryptogram. The present paper shows such a side-channel attack on LFSR-based stream ciphers using scan chains. The paper subsequently discusses a strategy to build the scan chains in a tree based pattern with a selfchecking compactor. It has been shown that such a structure prevents such scan based attacks but does not compromise on fault coverage.\",\"PeriodicalId\":373563,\"journal\":{\"name\":\"14th Asian Test Symposium (ATS'05)\",\"volume\":\"131 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2005-12-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"56\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"14th Asian Test Symposium (ATS'05)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ATS.2005.42\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"14th Asian Test Symposium (ATS'05)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ATS.2005.42","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Scan based testing is a powerful and popular test technique. However the scan chain can be used by an attacker to decipher the cryptogram. The present paper shows such a side-channel attack on LFSR-based stream ciphers using scan chains. The paper subsequently discusses a strategy to build the scan chains in a tree based pattern with a selfchecking compactor. It has been shown that such a structure prevents such scan based attacks but does not compromise on fault coverage.
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