agent-transfer software package provides copy a secret key from GnuPG's gpg-agent to OpenSSH's ssh-agent, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install agent-transfer
agent-transfer is installed in your system.
Make ensure the agent-transfer package were installed using the commands given below,
$ sudo dpkg-query -l | grep agent-transfer *
You will get with agent-transfer package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Network |
| Package | agent-transfer |
| Version | 0.39-1ubuntu1 |
| Description | copy a secret key from GnuPG's gpg-agent to OpenSSH's ssh-agent |
| Sub Section | net |