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# $Id$
import rpki.x509, POW.pkix, base64, getopt, sys
opts, args = getopt.getopt(sys.argv[1:], "", ["pem", "der"])
use_pem = False
for o, a in opts:
if o == "--pem": use_pem = True
if o == "--der": use_pem = False
for file in args:
if use_pem:
cert = rpki.x509.X509(PEM_file=file)
else:
cert = rpki.x509.X509(DER_file=file)
ski = base64.b64encode([x for x in cert.get_POWpkix().getExtensions() if x[0] == (2, 5, 29, 14)][0][2]).replace("+", "-").replace("/", "_")
print ski, file
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