AIKIDO-2026-572912
bcprov-jdk18on is vulnerable to Observable Timing Discrepancy
80
High Risk
This Affects:
bcprov-jdk18onTL;DR
NTRU reduces secret-derived values with variable-time integer division during key generation, encapsulation, and decapsulation, so operation timing leaks private material. The fix replaces those remainder operations with division-free reductions.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you use NTRU where an attacker can obtain precise or repeated operation timings.
Background info
bcprov-jdk18on is vulnerable to Observable Timing Discrepancy in versions 1.72 - 1.85.
How to fix this
Upgrade the bcprov-jdk18on library to the patch version.
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