Version 1.78.1 is available upstream. Please consider updating! It seems that version 1.78.1 is available upstream, while the latest version in the Gentoo tree is 1.77. You think this warning is false? Read more about it here.
The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.8 and up. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.