SCP Task will fail if ssh host has ed25519

Summary

SCP Task will fail if ssh host has ed25519

Environment

• Bamboo or agent connecting via ssh to a host with ed25519 present

Steps to Reproduce

• Create a key pair using rsa.
• Use a SCP task to connect to the host.
• Run plan/deployment.

Expected Results

Connection successful

Actual Results

Bamboo will fail to create the connection

Notes

The problem is related to BouncyCastle and ed25519, the error will appear even though the user doesn't use ed25519.

Workaround

Use a script task instead with the scp command in it.