python3-pyasn1 (Current standard) or python-pyasn1 (Legacy). Format: Debian Binary Package ( .deb ). License: 2-clause BSD.
Sites like UbuntuUpdates provide direct links to various versions and architectures of the python3-pyasn1 package, which is useful for manual downloads. Installation Instructions python-pyasn1 deb download
Check the Ubuntu Package Search for versions specific to releases like Jammy (22.04) or Noble (24.04). 2. Direct Download via Command Line python3-pyasn1 (Current standard) or python-pyasn1 (Legacy)