LittleNellie/cipherscan
2
0
Fork 0
mirror of https://github.com/mozilla/cipherscan.git synced 2024-11-05 07:23:42 +01:00
Code Issues Releases Wiki Activity
341f657e83
cipherscan/top1m/parse_results.py
Hubert Kario 341f657e83 better detection for EXP and low grade ciphers in stats 
EXP is self explanatory - export grade
DES-CBC3-MD5 is available only in SSLv2 - not secure
RC4-64-MD5 is also a weakened version (though not marked as export grade)
2015-05-30 00:01:32 +02:00

609 lines
25 KiB
Python
Raw Blame History

#!/usr/bin/env python
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# Author: Julien Vehent [:ulfr] - 2013
# Contributors: Hubert Kario - 2014
from __future__ import division
path = "./results/"
import json
import sys
from collections import defaultdict
import os
import re
def natural_sort(l):
convert = lambda text: int(text) if text.isdigit() else text.lower()
alphanum_key = lambda key: [ convert(c) for c in re.split('([0-9]+)', key) ]
return sorted(l, key = alphanum_key)
""" client config cipher simulation """
client_ciphers={}
""" list of ciphers offered by Firefox 29 by default """
client_ciphers['FF 29']=[
'ECDHE-ECDSA-AES128-GCM-SHA256',
'ECDHE-RSA-AES128-GCM-SHA256',
'ECDHE-ECDSA-AES256-SHA',
'ECDHE-ECDSA-AES128-SHA',
'ECDHE-RSA-AES128-SHA',
'ECDHE-RSA-AES256-SHA',
'ECDHE-RSA-DES-CBC3-SHA',
'ECDHE-ECDSA-RC4-SHA',
'ECDHE-RSA-RC4-SHA',
'DHE-RSA-AES128-SHA',
'DHE-DSS-AES128-SHA',
'DHE-RSA-CAMELLIA128-SHA',
'DHE-RSA-AES256-SHA',
'DHE-DSS-AES256-SHA',
'DHE-RSA-CAMELLIA256-SHA',
'EDH-RSA-DES-CBC3-SHA',
'AES128-SHA',
'CAMELLIA128-SHA',
'AES256-SHA',
'CAMELLIA256-SHA',
'DES-CBC3-SHA',
'RC4-SHA',
'RC4-MD5']
report_untrused=False
cipherstats = defaultdict(int)
# stats about different client performance
# ciphers selected by them, unsupported, etc.
client_RC4_Only_cipherstats={}
client_RC4_preferred_cipherstats={}
client_incompatible_cipherstats={}
client_selected_cipherstats={}
for client_name in client_ciphers:
client_RC4_Only_cipherstats[client_name] = defaultdict(int)
client_RC4_preferred_cipherstats[client_name] = defaultdict(int)
client_incompatible_cipherstats[client_name] = defaultdict(int)
client_selected_cipherstats[client_name] = defaultdict(int)
cipherordering = defaultdict(int)
pfsstats = defaultdict(int)
protocolstats = defaultdict(int)
handshakestats = defaultdict(int)
keysize = defaultdict(int)
sigalg = defaultdict(int)
tickethint = defaultdict(int)
eccfallback = defaultdict(int)
eccordering = defaultdict(int)
ecccurve = defaultdict(int)
ocspstaple = defaultdict(int)
dsarsastack = 0
total = 0
for r,d,flist in os.walk(path):
for f in flist:
""" initialize variables for stats of the current site """
temppfsstats = {}
tempkeystats = {}
tempecckeystats = {}
tempdsakeystats = {}
tempsigstats = {}
tempticketstats = {}
tempeccfallback = "unknown"
tempeccordering = "unknown"
tempecccurve = {}
""" supported ciphers by the server under scan """
tempcipherstats = {}
ciphertypes = 0
AESGCM = False
AES = False
CHACHA20 = False
DES3 = False
CAMELLIA = False
RC4 = False
""" variables to support handshake simulation for different clients """
client_RC4_Only={}
client_compat={}
temp_client_incompat={}
client_RC4_Pref={}
client_selected={}
for client_name in client_ciphers:
# the following depends on client_compat, so by default it can be True
client_RC4_Only[client_name]=True
client_compat[client_name]=False
temp_client_incompat[client_name]={}
client_RC4_Pref[client_name]=None
client_selected[client_name]=None
""" server side list of supported ciphers """
list_of_ciphers = []
ADH = False
DHE = False
AECDH = False
ECDHE = False
RSA = False
ECDH = False
DH = False
SSL2 = False
SSL3 = False
TLS1 = False
TLS1_1 = False
TLS1_2 = False
dualstack = False
ECDSA = False
trusted = False
ocsp_stapling = None
""" process the file """
f_abs = os.path.join(r,f)
with open(f_abs) as json_file:
""" discard files that fail to load """
try:
results = json.load(json_file)
except ValueError:
continue
""" discard files with empty results """
if len(results['ciphersuite']) < 1:
continue
""" save ECC fallback (new format) """
if 'curves_fallback' in results:
tempeccfallback = results['curves_fallback']
""" save ECC curve stats (old format) """
if 'curve_fallback' in results:
tempeccfallback = results['curve_fallback']
if 'curve_ordering' in results:
tempeccordering = results['curve_ordering']
if 'curve' in results:
for curve in results['curve']:
tempecccurve[curve] = 1
if len(results['curve']) == 1:
tempecccurve[curve + ' Only'] = 1
""" loop over list of ciphers """
for entry in results['ciphersuite']:
# some servers return different certificates with different
# ciphers, also we may become redirected to other server with
# different config (because over-reactive IPS)
if 'False' in entry['trusted'] and report_untrused == False:
continue
list_of_ciphers.append(entry['cipher'])
# check if the advertised ciphers are not effectively RC4 Only
# for clients or incompatible with them
for client_name in client_ciphers:
if entry['cipher'] in client_ciphers[client_name]:
# if this is first cipher and we already are getting RC4
# then it means that RC4 is preferred (and client is
# compatible with server)
client_compat[client_name]=True
if not 'RC4' in entry['cipher']:
client_RC4_Only[client_name] = False
else:
temp_client_incompat[client_name][entry['cipher']] = 1
""" store the ciphers supported """
if 'ADH' in entry['cipher'] or 'AECDH' in entry['cipher'] or \
'EXP' in entry['cipher'] or \
'DES-CBC3-MD5' in entry['cipher'] or \
'RC4-64-MD5' in entry['cipher']:
ciphertypes += 1
name = "z:" + entry['cipher']
tempcipherstats[name] = 1
tempcipherstats['Insecure'] = 1
elif 'AES128-GCM' in entry['cipher'] or 'AES256-GCM' in entry['cipher']:
if not AESGCM:
AESGCM = True
ciphertypes += 1
elif 'AES' in entry['cipher']:
if not AES:
AES = True
ciphertypes += 1
elif 'DES-CBC3' in entry['cipher']:
if not DES3:
DES3 = True
ciphertypes += 1
elif 'CAMELLIA' in entry['cipher']:
if not CAMELLIA:
CAMELLIA = True
ciphertypes += 1
elif 'RC4' in entry['cipher']:
if not RC4:
ciphertypes += 1
RC4 = True
elif 'CHACHA20' in entry['cipher']:
if not CHACHA20:
ciphertypes += 1
CHACHA20 = True
elif 'IDEA' in entry['cipher'] or 'SEED' in entry['cipher']:
ciphertypes += 1
name = "y:" + entry['cipher']
tempcipherstats[name] = 1
else:
ciphertypes += 1
name = "z:" + entry['cipher']
tempcipherstats[name] = 1
tempcipherstats['Insecure'] = 1
""" store key handshake methods """
if 'ECDHE' in entry['cipher']:
ECDHE = True
temppfsstats[entry['pfs']] = 1
elif 'DHE' in entry['cipher'] or 'EDH' in entry['cipher']:
DHE = True
temppfsstats[entry['pfs']] = 1
elif 'AECDH' in entry['cipher']:
AECDH = True
elif 'ADH' in entry['cipher']:
ADH = True
elif 'ECDH' in entry['cipher']:
ECDH = True
elif 'DH' in entry['cipher']:
DH = True
else:
RSA = True
""" save the key size """
if 'ECDSA' in entry['cipher'] or 'ECDH-RSA' in entry['cipher']:
ECDSA = True
tempecckeystats[entry['pubkey'][0]] = 1
elif 'DSS' in entry['cipher']:
tempdsakeystats[entry['pubkey'][0]] = 1
elif 'AECDH' in entry['cipher'] or 'ADH' in entry['cipher']:
""" skip """
else:
tempkeystats[entry['pubkey'][0]] = 1
if ECDSA:
dualstack = True
if 'True' in entry['trusted'] and not 'ADH' in entry['cipher'] and not 'AECDH' in entry['cipher']:
trusted = True
""" save key signatures size """
tempsigstats[entry['sigalg'][0]] = 1
""" save tls ticket hint """
if 'ticket_hint' in entry:
tempticketstats[entry['ticket_hint']] = 1
""" check if OCSP stapling is supported """
if 'ocsp_stapling' in entry:
if entry['ocsp_stapling'] == 'True':
ocsp_stapling=True
else:
ocsp_stapling=False
""" store the versions of TLS supported """
for protocol in entry['protocols']:
if protocol == 'SSLv2':
SSL2 = True
elif protocol == 'SSLv3':
SSL3 = True
elif protocol == 'TLSv1':
TLS1 = True
elif protocol == 'TLSv1.1':
TLS1_1 = True
elif protocol == 'TLSv1.2':
TLS1_2 = True
""" save ECC curves stats """
if 'curves_ordering' in entry:
tempeccordering = entry['curves_ordering']
if 'curves' in entry:
for curve in entry['curves']:
tempecccurve[curve] = 1
if len(entry['curves']) == 1:
tempecccurve[curve + ' Only'] = 1
json_file.close()
""" don't store stats from unusued servers """
if report_untrused == False and trusted == False:
continue
total += 1
""" done with this file, storing the stats """
if DHE or ECDHE:
pfsstats['Support PFS'] += 1
if 'DHE-' in results['ciphersuite'][0]['cipher'] or \
'EDH-' in results['ciphersuite'][0]['cipher']:
pfsstats['Prefer PFS'] += 1
pfsstats['Prefer ' + results['ciphersuite'][0]['pfs']] += 1
for s in temppfsstats:
pfsstats[s] += 1
for s in tempkeystats:
keysize['RSA ' + s] += 1
for s in tempecckeystats:
keysize['ECDSA ' + s] += 1
for s in tempdsakeystats:
keysize['DSA ' + s] += 1
if dualstack:
dsarsastack += 1
""" save cipher ordering """
if 'serverside' in results:
if results['serverside'] == "False":
cipherordering['Client side'] += 1
else:
cipherordering['Server side'] += 1
else:
cipherordering['Unknown'] += 1
""" simulate handshake with clients """
for client_name in client_ciphers:
if client_compat[client_name]:
if 'serverside' in results and results['serverside'] == "False":
for cipher in client_ciphers[client_name]:
if cipher in list_of_ciphers:
client_selected[client_name] = cipher
if 'RC4' in cipher:
client_RC4_Pref[client_name] = True
break
else:
for cipher in list_of_ciphers:
if cipher in client_ciphers[client_name]:
client_selected[client_name] = cipher
if 'RC4' in cipher:
client_RC4_Pref[client_name] = True
break
for s in tempsigstats:
sigalg[s] += 1
if len(tempticketstats) == 1:
for s in tempticketstats:
tickethint[s + " only"] += 1
for s in tempticketstats:
tickethint[s] += 1
eccfallback[tempeccfallback] += 1
eccordering[tempeccordering] += 1
for s in tempecccurve:
ecccurve[s] += 1
if ocsp_stapling is None:
ocspstaple['Unknown'] += 1
elif ocsp_stapling:
ocspstaple['Supported'] += 1
else:
ocspstaple['Unsupported'] += 1
""" store cipher stats """
if AESGCM:
cipherstats['AES-GCM'] += 1
if ciphertypes == 1:
cipherstats['AES-GCM Only'] += 1
if AES:
cipherstats['AES'] += 1
if ciphertypes == 1:
cipherstats['AES-CBC Only'] += 1
if (AES and ciphertypes == 1) or (AESGCM and ciphertypes == 1)\
or (AES and AESGCM and ciphertypes == 2):
cipherstats['AES Only'] += 1
if CHACHA20:
cipherstats['CHACHA20'] += 1
if ciphertypes == 1:
cipherstats['CHACHA20 Only'] += 1
if DES3:
cipherstats['3DES'] += 1
if ciphertypes == 1:
cipherstats['3DES Only'] += 1
if CAMELLIA:
cipherstats['CAMELLIA'] += 1
if ciphertypes == 1:
cipherstats['CAMELLIA Only'] += 1
if RC4:
cipherstats['RC4'] += 1
if ciphertypes == 1:
cipherstats['RC4 Only'] += 1
if 'RC4' in results['ciphersuite'][0]['cipher']:
if 'TLSv1.1' in results['ciphersuite'][0]['protocols'] or\
'TLSv1.2' in results['ciphersuite'][0]['protocols']:
cipherstats['RC4 forced in TLS1.1+'] += 1
cipherstats['RC4 Preferred'] += 1
for client_name in client_ciphers:
if client_compat[client_name]:
if 'ECDHE' in client_selected[client_name]:
client_selected_cipherstats[client_name]['x:ECDHE'] += 1
elif 'DHE' in client_selected[client_name] or \
'EDH' in client_selected[client_name]:
client_selected_cipherstats[client_name]['x:DHE'] += 1
else:
client_selected_cipherstats[client_name]['x:kRSA'] += 1
client_selected_cipherstats[client_name][client_selected[client_name]] += 1
if client_RC4_Only[client_name] and ciphertypes != 1:
cipherstats['x:' + client_name + ' RC4 Only'] += 1
for cipher in temp_client_incompat[client_name]:
client_RC4_Only_cipherstats[client_name][cipher] += 1
if client_RC4_Pref[client_name] and not 'RC4' in results['ciphersuite'][0]['cipher']:
cipherstats['x:' + client_name + ' RC4 Preferred'] += 1
for cipher in temp_client_incompat[client_name]:
client_RC4_preferred_cipherstats[client_name][cipher] += 1
else:
cipherstats['x:' + client_name + ' incompatible'] += 1
for cipher in temp_client_incompat[client_name]:
client_incompatible_cipherstats[client_name][cipher] += 1
for cipher in tempcipherstats:
cipherstats[cipher] += 1
""" store handshake stats """
if AECDH:
handshakestats['AECDH'] += 1
if ADH:
handshakestats['ADH'] += 1
if ECDHE:
handshakestats['ECDHE'] += 1
if DHE:
handshakestats['DHE'] += 1
if DHE and ECDHE:
handshakestats['ECDHE and DHE'] += 1
if ECDH:
handshakestats['ECDH'] += 1
if DH:
handshakestats['DH'] += 1
if RSA:
handshakestats['RSA'] += 1
""" store protocol stats """
if SSL2:
protocolstats['SSL2'] += 1
if not SSL3 and not TLS1 and not TLS1_1 and not TLS1_2:
protocolstats['SSL2 Only'] += 1
if SSL3:
protocolstats['SSL3'] += 1
if not SSL2 and not TLS1 and not TLS1_1 and not TLS1_2:
protocolstats['SSL3 Only'] += 1
if TLS1:
protocolstats['TLS1'] += 1
if not SSL2 and not SSL3 and not TLS1_1 and not TLS1_2:
protocolstats['TLS1 Only'] += 1
if not SSL2 and (SSL3 or TLS1) and not TLS1_1 and not TLS1_2:
protocolstats['SSL3 or TLS1 Only'] += 1
if not SSL2 and not SSL3 and not TLS1:
protocolstats['TLS1.1 or up Only'] += 1
if TLS1_1:
protocolstats['TLS1.1'] += 1
if not SSL2 and not SSL3 and not TLS1 and not TLS1_2:
protocolstats['TLS1.1 Only'] += 1
if TLS1_2:
protocolstats['TLS1.2'] += 1
if not SSL2 and not SSL3 and not TLS1 and not TLS1_1:
protocolstats['TLS1.2 Only'] += 1
if TLS1_2 and not TLS1_1 and TLS1:
protocolstats['TLS1.2, 1.0 but not 1.1'] += 1
# for testing, break early
#if total % 1999 == 0:
# break
""" The 'x:' + client_name + ' RC4 Preferred' counts only sites that
effectively prefer RC4 when using given client, to make reporting more
readable, sum it with sites that do that for all ciphers"""
for client_name in client_ciphers:
if 'x:' + client_name + ' RC4 Preferred' in cipherstats and 'RC4 Preferred' in cipherstats:
cipherstats['x:' + client_name + ' RC4 Preferred'] += cipherstats['RC4 Preferred']
print("SSL/TLS survey of %i websites from Alexa's top 1 million" % total)
if report_untrused == False:
print("Stats only from connections that did provide valid certificates")
print("(or anonymous DH from servers that do also have valid certificate installed)\n")
""" Display stats """
print("\nSupported Ciphers Count Percent")
print("-------------------------+---------+-------")
for stat in sorted(cipherstats):
percent = round(cipherstats[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(cipherstats[stat]).ljust(10) + str(percent).ljust(4) + "\n")
print("\nCipher ordering Count Percent")
print("-------------------------+---------+-------")
for stat in sorted(cipherordering):
percent = round(cipherordering[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(cipherordering[stat]).ljust(10) + str(percent).ljust(4) + "\n")
print("\nCLIENT specific statistics\n")
for client_name in client_ciphers:
print("\n" + client_name + " selected ciphers Count Percent")
print("-----------------------------+---------+------")
for stat in sorted(client_selected_cipherstats[client_name]):
percent = round(client_selected_cipherstats[client_name][stat] / total * 100, 4)
sys.stdout.write(stat.ljust(30) + " " + str(client_selected_cipherstats[client_name][stat]).ljust(10) + str(percent).ljust(4) + "\n")
print("\n" + client_name + " RC4 Only other ciphers Count Percent")
print("-----------------------------+---------+------")
for stat in sorted(client_RC4_Only_cipherstats[client_name]):
percent = round(client_RC4_Only_cipherstats[client_name][stat] / total * 100, 4)
sys.stdout.write(stat.ljust(30) + " " + str(client_RC4_Only_cipherstats[client_name][stat]).ljust(10) + str(percent).ljust(4) + "\n")
print("\n" + client_name + " RC4 pref other ciphers Count Percent")
print("-----------------------------+---------+------")
for stat in sorted(client_RC4_preferred_cipherstats[client_name]):
percent = round(client_RC4_preferred_cipherstats[client_name][stat] / total * 100, 4)
sys.stdout.write(stat.ljust(30) + " " + str(client_RC4_preferred_cipherstats[client_name][stat]).ljust(10) + str(percent).ljust(4) + "\n")
print("\n" + client_name + " incompatible ciphers Count Percent")
print("-----------------------------+---------+------")
for stat in sorted(client_incompatible_cipherstats[client_name]):
percent = round(client_incompatible_cipherstats[client_name][stat] / total * 100, 4)
sys.stdout.write(stat.ljust(30) + " " + str(client_incompatible_cipherstats[client_name][stat]).ljust(10) + str(percent).ljust(4) + "\n")
print("\nSupported Handshakes Count Percent")
print("-------------------------+---------+-------")
for stat in sorted(handshakestats):
percent = round(handshakestats[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(handshakestats[stat]).ljust(10) + str(percent).ljust(4) + "\n")
print("\nSupported PFS Count Percent PFS Percent")
print("-------------------------+---------+--------+-----------")
for stat in sorted(pfsstats):
percent = round(pfsstats[stat] / total * 100, 4)
pfspercent = 0
if "ECDH," in stat:
pfspercent = round(pfsstats[stat] / handshakestats['ECDHE'] * 100, 4)
elif "DH," in stat:
pfspercent = round(pfsstats[stat] / handshakestats['DHE'] * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(pfsstats[stat]).ljust(10) + str(percent).ljust(9) + str(pfspercent) + "\n")
print("\nSupported ECC curves Count Percent ")
print("-------------------------+---------+--------")
for stat in sorted(ecccurve):
percent = round(ecccurve[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(ecccurve[stat]).ljust(10) + str(percent).ljust(9) + "\n")
print("\nUnsupported curve fallback Count Percent ")
print("------------------------------+---------+--------")
for stat in sorted(eccfallback):
percent = round(eccfallback[stat] / total * 100,4)
sys.stdout.write(stat.ljust(30) + " " + str(eccfallback[stat]).ljust(10) + str(percent).ljust(9) + "\n")
print("\nECC curve ordering Count Percent ")
print("-------------------------+---------+--------")
for stat in sorted(eccordering):
percent = round(eccordering[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(eccordering[stat]).ljust(10) + str(percent).ljust(9) + "\n")
print("\nTLS session ticket hint Count Percent ")
print("-------------------------+---------+--------")
for stat in natural_sort(tickethint):
percent = round(tickethint[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(tickethint[stat]).ljust(10) + str(percent).ljust(9) + "\n")
print("\nCertificate sig alg Count Percent ")
print("-------------------------+---------+--------")
for stat in sorted(sigalg):
percent = round(sigalg[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(sigalg[stat]).ljust(10) + str(percent).ljust(9) + "\n")
print("\nCertificate key size Count Percent ")
print("-------------------------+---------+--------")
for stat in sorted(keysize):
percent = round(keysize[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(keysize[stat]).ljust(10) + str(percent).ljust(9) + "\n")
sys.stdout.write("RSA/ECDSA Dual Stack".ljust(25) + " " + str(dsarsastack).ljust(10) + str(round(dsarsastack/total * 100, 4)) + "\n")
print("\nOCSP stapling Count Percent ")
print("-------------------------+---------+--------")
for stat in sorted(ocspstaple):
percent = round(ocspstaple[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(ocspstaple[stat]).ljust(10) + str(percent).ljust(9) + "\n")
print("\nSupported Protocols Count Percent")
print("-------------------------+---------+-------")
for stat in sorted(protocolstats):
percent = round(protocolstats[stat] / total * 100, 4)
sys.stdout.write(stat.ljust(25) + " " + str(protocolstats[stat]).ljust(10) + str(percent).ljust(4) + "\n")
Reference in New Issue View Git Blame Copy Permalink