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Post-quantum cryptography has recently witnessed the emergence of new and prominent representatives, such as the new standard for quantum-safe digital signatures, called CRYSTALS-Dilithium. This work presents a theoretical approach backdoor attack on that algorithm. It provides several details of the attack, which demonstrate the feasibility of leaking the original message during the signing phase.

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Theoretical Approach to Backdoor Attack on CRYSTALS-Dilithium

  • 会议论文

  • 发表日期：

    2025年

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  • É. Pérez-Ramos,
  • P. Caballero-Gil

摘要

Post-quantum cryptography has recently witnessed the emergence of new and prominent representatives, such as the new standard for quantum-safe digital signatures, called CRYSTALS-Dilithium. This work presents a theoretical approach backdoor attack on that algorithm. It provides several details of the attack, which demonstrate the feasibility of leaking the original message during the signing phase.