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Complete Forgery of a Post-Quantum Signature Candidate: Shipovnik

calendar_today September 28, 2026 person Oren Yomtov domain fireblocks

The Fireblocks cryptography research team found a complete forgery in a post-quantum signature candidate: a valid signature for any message can be constructed from the public key alone in a fraction of a second on a laptop. The scheme is Shipovnik, a post quantum signature candidate in TC26, Russia’s technical committee for cryptography. If it […] The post Complete Forgery of a Post-Quantum Signature Candidate: Shipovnik appeared first on Fireblocks .

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