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(CkPython) Load an SSH Key from a File (Many Formats Supported)

Demonstrates how to load an SSH public or private key object from a file. The file can be in any of the following formats:

  • OpenSSH private key
  • OpenSSH public key
  • PuTTY private key
  • RFC 4716 public key

Chilkat Python Downloads

Python Module for Windows, MacOS, Linux, Alpine Linux, Solaris

import sys
import chilkat

sshkey = chilkat.CkSshKey()

# First, use the LoadText convenience method to load a text file (of any SSH key format)
# into a string:
strKey = sshkey.loadText("../mySshKeys/myKey.txt")

# Next, load the key into the SSH key object.

# If the key is an OpenSSH private key:
# (In actuality, the From* methods will automatically detect the format and load
# the key correctly.  For example, if a PuTTY private key is passed to FromOpenSshPrivateKey,
# it  will still load correctly.)
success = sshkey.FromOpenSshPrivateKey(strKey)
if (success != True):
    print(sshkey.lastErrorText())
else:
    print("Loaded OpenSSH private key.")
    sys.exit()

# If the key is an OpenSSH public key:
success = sshkey.FromOpenSshPublicKey(strKey)
if (success != True):
    print(sshkey.lastErrorText())
else:
    print("Loaded OpenSSH public key.")
    sys.exit()

# If the key is a PuTTY private key:
success = sshkey.FromPuttyPrivateKey(strKey)
if (success != True):
    print(sshkey.lastErrorText())
else:
    print("Loaded PuTTY private key.")
    sys.exit()

# If the key is an RFC 4716 public key:
success = sshkey.FromRfc4716PublicKey(strKey)
if (success != True):
    print(sshkey.lastErrorText())
else:
    print("Loaded RFC 4716 public key.")


 

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