Viewing file:  pgpstep.py (2.98 KB) -rw-r--r--
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#!/usr/bin/env python
"""pgpstep - steps through a pgp2 packet stream.
Copyright (c) 1999 Ng Pheng Siong. All rights reserved."""
from M2Crypto import PGP, util
import time
def desc_public_key(pkt):
print 'packet = public_key'
print 'version =', pkt.version()
print 'created = ', time.asctime(time.gmtime(pkt.timestamp()))
print 'validity code =', pkt.validity()
print 'pkc type =', `pkt.pkc()`
#e, n = pkt.pubkey()
print 'e =', `pkt._e`
print 'n =', `pkt._n`
print
def desc_trust(pkt):
print 'packet = trust'
print 'trustworthiness = <ignored>'
print
def desc_userid(pkt):
print 'packet = user_id'
print 'user_id =', pkt.userid()
print
def desc_signature(pkt):
print 'packet = signature'
print 'version =', pkt.version()
print 'classification =', `pkt._classification`
print 'created = ', time.asctime(time.gmtime(pkt.timestamp()))
print 'keyid =', `pkt._keyid`
print 'pkc type =', `pkt.pkc()`
print 'md_algo =', `pkt._md_algo`
print 'md_chksum =', `pkt._md_chksum`
print 'sig =', `pkt._sig`
print
def desc_private_key(pkt):
print 'packet = private key'
print 'version =', pkt.version()
print 'created = ', time.asctime(time.gmtime(pkt.timestamp()))
print 'validity code =', pkt.validity()
print 'pkc type =', `pkt.pkc()`
print 'e =', `pkt._e`
print 'n =', `pkt._n`
print 'cipher =', `pkt._cipher`
if pkt._cipher == '\001':
print 'following attributes are encrypted'
print 'iv =', `pkt._iv`
print 'd =', `pkt._d`
print 'p =', `pkt._p`
print 'q =', `pkt._q`
print 'u =', `pkt._u`
print 'checksum =', `pkt._cksum`
print
def desc_cke(pkt):
print 'packet = cke'
print 'iv =', `pkt.iv`
print 'checksum =', `pkt.cksum`
print 'ciphertext =', `pkt.ctxt`
print
def desc_pke(pkt):
print 'packet = pke'
print 'version =', pkt.version
print 'keyid =', `pkt.keyid`
print 'pkc type =', pkt.pkc_type
print 'dek =', hex(pkt.dek)[:-1]
print
def desc_literal(pkt):
print 'packet = literal data'
print 'mode =', `pkt.fmode`
print 'filename =', pkt.fname
print 'time = ', time.asctime(time.gmtime(pkt.ftime))
print 'data = <%d octets of literal data>' % (len(pkt.data),)
print
DESC = {
PGP.public_key_packet: desc_public_key,
PGP.trust_packet: desc_trust,
PGP.userid_packet: desc_userid,
PGP.signature_packet: desc_signature,
PGP.private_key_packet: desc_private_key,
PGP.cke_packet: desc_cke,
PGP.pke_packet: desc_pke,
PGP.literal_packet: desc_literal,
}
if __name__ == '__main__':
import sys
count = 0
for arg in sys.argv[1:]:
f = open(arg, 'rb')
ps = PGP.packet_stream(f)
while 1:
pkt = ps.read()
if pkt is None:
break
elif pkt:
print '-'*70
DESC[pkt.__class__](pkt)
count = count + ps.count()
ps.close()
print '-'*70
print 'Total octets processed =', count
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