| #!/usr/bin/python |
| # Read ASN.1/PEM CMP message on stdin, parse into |
| # plain text, then build substrate from it |
| from pyasn1.codec.der import decoder, encoder |
| from pyasn1_modules import rfc4210, pem |
| from pyasn1 import debug |
| import sys |
| |
| if len(sys.argv) == 2 and sys.argv[1] == '-d': |
| debug.setLogger(debug.Debug('all')) |
| elif len(sys.argv) != 1: |
| print("""Usage: |
| $ cat cmp.pem | %s [-d]""" % sys.argv[0]) |
| sys.exit(-1) |
| |
| pkiMessage = rfc4210.PKIMessage() |
| |
| substrate = pem.readBase64FromFile(sys.stdin) |
| if not substrate: |
| sys.exit(0) |
| |
| pkiMsg, rest = decoder.decode(substrate, asn1Spec=pkiMessage) |
| |
| print(pkiMsg.prettyPrint()) |
| |
| assert encoder.encode(pkiMsg, defMode=False) == substrate or \ |
| encoder.encode(pkiMsg, defMode=True) == substrate, \ |
| 'CMP message recode fails' |
