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Trail of Bits is publicly disclosing critical vulnerabilities that break the soundness of multiple implementations of zero-knowledge proof systems, including PlonK and Bulletproofs. These vulnerabilities are caused by insecure implementations of the Fiat-Shamir transformation that allow malicious us…

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Paper: Breaking Rainbow Takes a Weekend on a Laptop

Abstract: “This work introduces new key recovery attacks against the Rainbow signature scheme, which is one of the three finalist signature schemes still in the NIST Post-Quantum Cryptography standardization project. […]”…

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New Directions in Cryptography (1976 paper by Whitfield Diffie and Martin E. Hellman)

“WE STAND TODAY on the brink of a revolution in cryptography.”

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Am making a P2P messaging protocol and hope for protocol review

It’s not finished or anything, but I want potential vulnerabilities brought to my attention as soon as possible…

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cryptography (noun). The discipline concerned with communication security (eg, confidentiality of messages, integrity of messages, sender authentication, non-repudiation of messages, and many other related issues), regardless of the used medium such as pencil and paper or computers.

This community is for links about and discussion of cryptography specifically. For privacy technology more generally, use !privacy.

This community is explicitly not about cryptocurrency; see !crypto for that.

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