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.. image:: https://github.com/ojarva/python-sshpubkeys/workflows/Run%20python%20tests/badge.svg
Native implementation for validating OpenSSH public keys.
Currently ssh-rsa, ssh-dss (DSA), ssh-ed25519 and ecdsa keys with NIST curves are supported.
Installation:
::
pip install sshpubkeys
or clone the repository <https://github.com/ojarva/sshpubkeys>
_ and use
::
python setup.py install
Usage:
::
import sys from sshpubkeys import SSHKey
ssh = SSHKey("ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAYQCxO38tKAJXIs9ivPxt7AY" "dfybgtAR1ow3Qkb9GPQ6wkFHQqcFDe6faKCxH6iDRteo4D8L8B" "xwzN42uZSB0nfmjkIxFTcEU3mFSXEbWByg78aoddMrAAjatyrh" "H1pON6P0= ojarva@ojar-laptop", strict=True) try: ssh.parse() except InvalidKeyError as err: print("Invalid key:", err) sys.exit(1) except NotImplementedError as err: print("Invalid key type:", err) sys.exit(1)
print(ssh.bits) # 768 print(ssh.hash_md5()) # 56:84:1e:90:08:3b:60:c7:29:70:5f:5e:25:a6:3b:86 print(ssh.hash_sha256()) # SHA256:xk3IEJIdIoR9MmSRXTP98rjDdZocmXJje/28ohMQEwM print(ssh.hash_sha512()) # SHA512:1C3lNBhjpDVQe39hnyy+xvlZYU3IPwzqK1rVneGavy6O3/ebjEQSFvmeWoyMTplIanmUK1hmr9nA8Skmj516HA print(ssh.comment) # ojar@ojar-laptop print(ssh.options_raw) # None (string of optional options at the beginning of public key) print(ssh.options) # None (options as a dictionary, parsed and validated)
Parsing of authorized_keys
files:
::
import os from sshpubkeys import AuthorizedKeysFile f = open(os.environ["HOME"] + "/.ssh/authorized_keys", "r") key_file = AuthorizedKeysFile(f, strict=False)
for key in key_file.keys: print(key.key_type, key.bits, key.hash_sha512())
Set options in constructor as a keywords (i.e., SSHKey(None, strict=False)
)
See "tests/ <https://github.com/ojarva/sshpubkeys/tree/master/tests>
_" folder for unit tests. Use
::
python setup.py test
or
::
python3 setup.py test
to run test suite. If you have keys that are not parsed properly, or malformed keys that raise incorrect exception, please send your public key to olli@jarva.fi, and I'll include it. Alternatively, create a new issue <https://github.com/ojarva/sshpubkeys/issues/new>
_ or make a pull request <https://github.com/ojarva/sshpubkeys/compare>
_ in github.
FAQs
SSH public key parser
We found that sshpubkeys demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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