https://gitlab.com/cryptsetup/cryptsetup/-/blob/main/lib/bitops.h?ref_type=heads is public-domain. https://gitlab.com/cryptsetup/cryptsetup/-/blob/main/lib/crypto_backend/crc32.c?ref_type=heads maybe too. Files in e.g. https://gitlab.com/cryptsetup/cryptsetup/-/tree/main/lib/bitlk?ref_type=heads https://gitlab.com/cryptsetup/cryptsetup/-/tree/main/lib/crypto_backend?ref_type=heads are LGPL-2.1+ So LICENSE should be "GPL-2+ LGPL-2.1+ public-domain" Reproducible: Always