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SEALSQ files patent application to protect post-quantum cryptography chips from side-channel attacks

PUBT·04/28/2026 22:43:24
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SEALSQ files patent application to protect post-quantum cryptography chips from side-channel attacks
  • SEALSQ filed a patent application for a protection technique targeting side-channel attacks on polynomial post-quantum cryptography algorithms.
  • Method focuses on message-encoding stage in hardware implementations of ML-KEM/Kyber to reduce leakage from power, electromagnetic, or timing signals.
  • Move comes as Google targets 2029 for full post-quantum cryptography migration across its ecosystem.
  • Patent filing coincides with sampling phase for SEALSQ’s QS7001 Quantum Shield secure element, positioned as a native post-quantum secure microcontroller.
  • SEALSQ cited 126 active patents, positioning portfolio to support post-quantum migration demand ahead of 2029.


Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. SEALSQ Corp. published the original content used to generate this news brief on April 28, 2026, and is solely responsible for the information contained therein.