International Association for Cryptologic Research

International Association
for Cryptologic Research

Transactions on Cryptographic Hardware and Embedded Systems 2026

NTT-PEEL:

Bit Shift Side-Channel in FALCON’s Number Theoretic Transform


License

MIT License with Citation Requirement

Copyright (c) 2026 Jinyi Qiu and Aydin Aysu

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to use,
copy, and redistribute the Software, subject to the following conditions:

1. Attribution and Citation Requirement:
   Any use of this Software in academic research, publications, or derivative
   works must include a citation to the following paper:

   Jinyi Qiu et al., "NTT-PEEL: Bit Shift Side-Channel in FALCON’s Number Theoretic Transform,"
   IACR Transactions on Cryptographic Hardware and Embedded Systems (TCHES), 2026.

   The citation must be included in any resulting publications, presentations,
   or publicly distributed materials that use this Software or results derived from it.

2. Preservation of License:
   The above copyright notice, this permission notice, and the citation requirement
   shall be included in all copies or substantial portions of the Software.

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PURPOSE, AND NON-INFRINGEMENT.

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THIS SOFTWARE IS PROVIDED FOR RESEARCH AND EDUCATIONAL PURPOSES ONLY.