Changelog for rust-signature1+std-devel-1.6.4-2.fc39.noarch.rpm :

* Fri Jul 21 2023 Fedora Release Engineering - 1.6.4-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
* Mon Jun 05 2023 Fabio Valentini - 1.6.4-1- Initial import (signature 1 compat package)