The content delves into an analysis of an improperly implemented RSA signature verification scheme found in Diebold Touch Screen and Optical Scan voting machines. The flawed implementation uses a public exponent of three and fails to examine high-order bits of signature padding, allowing forgeries on arbitrary messages. This vulnerability poses serious security risks, enabling unauthorized access and manipulation of voting data. The paper presents a straightforward attack method that exploits this flaw, emphasizing the importance of robust security measures in critical systems like electronic voting machines. Several references to related research papers and attacks on RSA authentication systems further underscore the significance of addressing vulnerabilities in cryptographic protocols.
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by Ryan W. Gard... at arxiv.org 03-05-2024
https://arxiv.org/pdf/2403.01048.pdfDeeper Inquiries