Invalid SSH Private Key error, when is modified from Environment Variable

[marvill30]

Severity

P2 - High (Major functionality broken)

Describe the Bug with repro steps

Expected behavior
The SSH private key stored in the environment variable (Sftp_sshPrivateKey) should be parsed correctly, even when formatted as a multiline key. Updating the key directly in the environment variable should allow the connection to authenticate successfully without requiring the creation of a new connection.

Actual behavior
When updating the SSH private key in the environment variable, Logic Apps fails to parse the key and returns the error:
"Failed to parse the provided private key: 'Invalid private key file.'"
The run fails with ServiceProviderActionFailed and InvalidServiceProviderConnection.
However, creating a new connection with the same key works correctly. The issue appears related to the multiline formatting of the key in environment variables.

error
{
'code': 'ServiceProviderActionFailed',
'message': 'The service provider action failed with error code 'InvalidServiceProviderConnection' and error message 'Failed to parse the provided private key: 'Invalid private key file.'.'.'
}

What type of Logic App Is this happening in?

Standard (Portal)

Are you experiencing a regression?

No response

Which operating system are you using?

Windows

Did you refer to the TSG before filing this issue? https://aka.ms/lauxtsg

Yes

Workflow JSON

no workflow json available

Screenshots or Videos

No response

Environment

Azure portal.

Additional context

No response