Implementation Flaws Identified in Post-Quantum Encryption Algorithm

Two implementation flaws have been identified in the Kyber key encapsulation mechanism (KEM), an encryption standard intended to safeguard networks from future attacks by quantum computers. Collectively known as “KyberSlash,” these flaws could allow cybercriminals to discover encryption keys.

The encryption standard Kyber key encapsulation mechanism (KEM), designed to protect networks from future assaults by quantum computers, has two implementation vulnerabilities. Collectively referred to as “KyberSlash,” these flaws might make it possible for hackers to acquire encryption keys.

“Timing attacks of this nature are a derivative of broader ‘side channel’ attacks, which can be used to undermine any type of encryption, including both classical and post-quantum algorithms,” Andersen Cheng, founder of Post-Quantum, explained. “With this type of attack, the adversaries send fake (and known) ciphertext and measure how long it takes to decipher. They can then infer the timings for each attempt and reverse engineer the actual key-pair.”

On December 1st, Franziskus Kiefer, Goutam Tamvada, a

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