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x3rAx/Generate_ssh_key-pair_for_Bamboo_(when_Bamboo_uses_a_stupid_Java_implementation_of_git).md

Last active April 23, 2024 02:14
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Generate ssh key-pair for Bamboo (when Bamboo uses a stupid Java implementation of git)
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Generate_ssh_key-pair_for_Bamboo_(when_Bamboo_uses_a_stupid_Java_implementation_of_git).md

The Problem

Bamboo (at least the instance I have to work with) is using a Java implementation of git (JGit) that has problems reading the new SSH key-file format.

In earlier versions, ssh-keygen generated private keys that looked like:

-----BEGIN RSA PRIVATE KEY-----
...
-----END RSA PRIVATE KEY-----

In recent versions, the key looks like this:

-----BEGIN OPENSSH PRIVATE KEY-----
...
-----END OPENSSH PRIVATE KEY-----

JGit (at least in the version mentioned above) does not understand this new key format and responds with an error similar to:

[email protected]:cplgmbh/cpl-vm.git: invalid privatekey: [B@59c40796

The Solution (or Workaround)

Generate the ssh key-pair with the -m PEM option:

ssh-keygen -m PEM -o -a 100 -t RSA -f fookey

And BTW: Upgrade your SSH keys!

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