# Code from <http://stackoverflow.com/a/6682934/1535629>
import base64, hashlib
 
# paste your key on line 6
key = """
ssh-dss AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBCplUr7GfkH0xQgkTpn9Da2TYmXzuVprmyZyckR4H21FAXd3N9i39//U3c6x6vaBTBzV6/fZAviCQSVLgMKQg1A=
 
"""
 
def lineToFingerprint(line):
    key = base64.b64decode(line.strip().split()[1].encode('ascii'))
    fp_plain = hashlib.md5(key).hexdigest()
    return ':'.join(a+b for a,b in zip(fp_plain[::2], fp_plain[1::2]))
 
print(lineToFingerprint(key))

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