tenfourfox/python/pyasn1-modules/tools/crldump.py
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

39 lines
970 B
Python
Executable File

#!/usr/bin/python
#
# Read X.509 CRL on stdin, print them pretty and encode back into
# original wire format.
# CRL can be generated with "openssl openssl ca -gencrl ..." commands.
#
from pyasn1_modules import rfc2459, pem
from pyasn1.codec.der import encoder, decoder
import sys
if len(sys.argv) != 1:
print("""Usage:
$ cat crl.pem | %s""" % sys.argv[0])
sys.exit(-1)
asn1Spec = rfc2459.CertificateList()
cnt = 0
while 1:
idx, substrate = pem.readPemBlocksFromFile(sys.stdin, ('-----BEGIN X509 CRL-----', '-----END X509 CRL-----'))
if not substrate:
break
key, rest = decoder.decode(substrate, asn1Spec=asn1Spec)
if rest: substrate = substrate[:-len(rest)]
print(key.prettyPrint())
assert encoder.encode(key, defMode=False) == substrate or \
encoder.encode(key, defMode=True) == substrate, \
'pkcs8 recode fails'
cnt = cnt + 1
print('*** %s CRL(s) re/serialized' % cnt)