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21 lines
653 B
Python
21 lines
653 B
Python
# Note that this module util is **PRIVATE** to the collection. It can have breaking changes at any time.
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# Do not use this from other collections or standalone plugins/modules!
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from __future__ import annotations
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from base64 import b64decode
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from hashlib import md5
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def ssh_public_key_md5_fingerprint(value: str) -> str:
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"""
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Compute the md5 fingerprint of a SSH public key.
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"""
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parts = value.strip().split()
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if len(parts) < 2:
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raise ValueError("invalid ssh public key")
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raw = b64decode(parts[1].encode("ascii"))
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digest = md5(raw).hexdigest()
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return ":".join(a + b for a, b in zip(digest[::2], digest[1::2]))
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