https://mvnrepository.com/artifact/de.rub.nds/asn1-tool links to https://github.com/tls-attacker/ASN.1-Tool which redirects to https://github.com/tls-attacker/ASN.1-Attacker, so that seems like it's the new name for the tool you're looking for.
https://github.com/zhonghuihuo/asn1-tool is still available, but it is very old, it is probably a VERY old fork.
I need something like this :(. I need it for Java / Kotlin. I do not have the repository cloned, so I am kind of in the dark.[1]
Found the archived page of the previously mentioned project that is probably private now: https://web.archive.org/web/20240416031004/https://github.co...
[1] Never mind, I found the newest (probably) asn1-compiler.jar! I still need an actively maintained alternative, however, for Java / Kotlin. For ASN.1 between Erlang / Elixir <> Java / Kotlin.
Here's a post about AlphaWorks : https://www.cnet.com/tech/services-and-software/ibm-alphawor...
Searching for that, I found this post, https://stackoverflow.com/questions/37056554/opensource-java... which mentions : https://www.beanit.com/asn1/ https://sourceforge.net/projects/jac-asn1/ which are more recent java ASN.1 implementations.