This library depends on BouncyCastle, which acts as a Java Cryptography Extension (JCE) provider. BouncyCastle's JARs are signed, and depending on how you package your application, you may need to ...
It is recommended that you use v2.x.x (the latest version of v2) if you can use java 11 or higher. Some features are only available in version 2. The documentation specific to v1 is here. Sending push ...