Converting PuTTY private keys to OpenSSH format
Overview:
This article will describe why Upsource doens't accept private keys generated in PuTTY and what to do in such cases.
Symptoms:
When creating a new project in Upsource, you get to choose one of the following authentication methods to access your VCS: Anonymous, Password or SSH key. In case of SSH key, private key and passphrase(if any) should be provided. After that, while testing connection you might get the following error:
Test VCS connection failed.
List remote refs failed: com.jcraft.jsch.JSchException: Error while loading an uploaded key 'the-key': invalid privatekey
Solution:
Most likely your public/private key pair was generated via PuTTYgen. Upsource doesn't work with PuTTY-format private keys, so you would need to convert it to OpenSSH format. To do that, please perform the following steps:
- Open PuttyGen
- Click File -> Load private key
- Go to Conversions -> Export OpenSSH and export your private key
- Try to paste converted private key to Upsource
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This is no help at all, it makes the assumption you are on Windows and not using the standard ssh lib on *unix based systems.
Invalid
```
-----BEGIN OPENSSH PRIVATE KEY-----
```
Correct
```
-----BEGIN RSA PRIVATE KEY-----
```
Step to fix
Remove old files
```
rm -rf ~/.ssh/*
```
Create new File (-m pem)
```
ssh-keygen -t rsa -b 2048 -m pem -f ~/.ssh/google_compute_engine -C username
```