Subverting Cryptographic Protocols from A Fine-Grained Perspective - A Case Study on 2-Party ECDSA

ePrint Report: Subverting Cryptographic Protocols from A Fine-Grained Perspective - A Case Study on 2-Party ECDSA

Jialiu Cheng, Yi Wang, Rongmao Chen, Xinyi Huang

The revelations of Edward Snowden in 2013 rekindled concerns within the cryptographic community regarding the potential subversion of cryptographic systems. Bellare et al. (CRYPTO'14) introduced the notion of Algorithm Substitution Attacks (ASAs), which aim to covertly leak sensitive information by undermining individual cryptographic primitives. In this work, we delve deeply into the realm of ASAs against …

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