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action #112367

Updated by okurz over 1 year ago

## Observation 

 On Leap 15.4, with **python-paramiko** **2.4.2-150100.6.12.1**, following occurs in mtui: 
 `info: connecting to goblin.qam.suse.cz 
 debug [mtui.connection:connect]: connecting to goblin.qam.suse.cz:22 
 error: SSHException while connecting to goblin.qam.suse.cz 
 critical: connecting to goblin.qam.suse.cz failed: Invalid key 
 warning: failed to add host goblin.qam.suse.cz to target list 
 debug [mtui.template.testreport:add_target]: Traceback (most recent call last): 
   File "/usr/lib/python3.6/site-packages/mtui/template/testreport.py", line 373, in add_target 
     self.targets[hostname].connect() 
   File "/usr/lib/python3.6/site-packages/mtui/target/__init__.py", line 89, in connect 
     raise e 
   File "/usr/lib/python3.6/site-packages/mtui/target/__init__.py", line 86, in connect 
     self.connection = self.Connection(self.host, self.port, self.timeout) 
   File "/usr/lib/python3.6/site-packages/mtui/connection.py", line 91, in __init__ 
     self.connect() 
   File "/usr/lib/python3.6/site-packages/mtui/connection.py", line 169, in connect 
     raise e 
   File "/usr/lib/python3.6/site-packages/mtui/connection.py", line 127, in connect 
     else None, 
   File "/usr/lib/python3.6/site-packages/paramiko/client.py", line 437, in connect 
     passphrase, 
   File "/usr/lib/python3.6/site-packages/paramiko/client.py", line 749, in _auth 
     raise saved_exception 
   File "/usr/lib/python3.6/site-packages/paramiko/client.py", line 720, in _auth 
     filename, pkey_class, passphrase 
   File "/usr/lib/python3.6/site-packages/paramiko/client.py", line 571, in _key_from_filepath 
     key = klass.from_private_key_file(key_path, password) 
   File "/usr/lib/python3.6/site-packages/paramiko/pkey.py", line 217, in from_private_key_file 
     key = cls(filename=filename, password=password) 
   File "/usr/lib/python3.6/site-packages/paramiko/ed25519key.py", line 81, in __init__ 
     signing_key = self._parse_signing_key_data(data, password) 
   File "/usr/lib/python3.6/site-packages/paramiko/ed25519key.py", line 156, in _parse_signing_key_data 
     message = Message(unpad(private_data)) 
   File "/usr/lib/python3.6/site-packages/paramiko/ed25519key.py", line 41, in unpad 
     raise SSHException("Invalid key") 
 paramiko.ssh_exception.SSHException: Invalid key 
 ` 

 This seems to be a known issue, and is resolved in paramiko 2.5.1. As usage of ed25519 keys is not that common it seems to affect only me, as a workaround paramiko from Tumbleweed can be linked into **QA:Maintenance** project in **IBS** 

 Same problem in Leap 15.3 as paramiko was last updated in 15-SP1. 

 ## Acceptance criteria 
 * **AC1:** Problem has been reported to the package maintainer 
 * **AC2:** mtui works again 

 ## Suggestions 

     Maintenance Update of paramiko in SLE -> Leap 

     Link new paramiko and its deps in QA:Maintenance project

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