diff options
| -rw-r--r-- | CHANGES.txt | 2 | ||||
| -rw-r--r-- | tools/cmpdump.py | 25 |
2 files changed, 26 insertions, 1 deletions
diff --git a/CHANGES.txt b/CHANGES.txt index 0cf568e..c0e5a24 100644 --- a/CHANGES.txt +++ b/CHANGES.txt @@ -1,7 +1,7 @@ Revision 0.0.4 -------------- -- CMP structures (RFC4210) added +- CMP structures (RFC4210) and cmpdump.py tool added Revision 0.0.3 -------------- diff --git a/tools/cmpdump.py b/tools/cmpdump.py new file mode 100644 index 0000000..3abde51 --- /dev/null +++ b/tools/cmpdump.py @@ -0,0 +1,25 @@ +#!/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 +import sys + +if len(sys.argv) != 1: + print("""Usage: +$ cat cmp.pem | %s""" % 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' |