Mypal/python/pyasn1-modules/tools/crmfdump.py

26 lines
668 B
Python

#!/usr/bin/python
# Read ASN.1/PEM X.509 CRMF request on stdin, parse into
# plain text, then build substrate from it
from pyasn1.codec.der import decoder, encoder
from pyasn1_modules import rfc2511, pem
import sys
if len(sys.argv) != 1:
print("""Usage:
$ cat crmf.pem | %s""" % sys.argv[0])
sys.exit(-1)
certReq = rfc2511.CertReqMessages()
substrate = pem.readBase64FromFile(sys.stdin)
if not substrate:
sys.exit(0)
cr, rest = decoder.decode(substrate, asn1Spec=certReq)
print(cr.prettyPrint())
assert encoder.encode(cr, defMode=False) == substrate or \
encoder.encode(cr, defMode=True) == substrate, \
'crmf recode fails'