mirror of
https://github.com/mozilla/cipherscan.git
synced 2024-11-17 04:13:40 +01:00
15d7762852
Some servers may be configured to support only TLS1.2, it would count them towards the number of servers affected by the OpenSSL bug
284 lines
10 KiB
Python
284 lines
10 KiB
Python
#!/usr/bin/env python
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from __future__ import division
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path = "./results/"
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import json
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import sys
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from collections import defaultdict
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import os
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report_untrused=False
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cipherstats = defaultdict(int)
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pfsstats = defaultdict(int)
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protocolstats = defaultdict(int)
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handshakestats = defaultdict(int)
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keysize = defaultdict(int)
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sigalg = defaultdict(int)
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dsarsastack = 0
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total = 0
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for r,d,flist in os.walk(path):
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for f in flist:
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""" initialize variables for stats of the current site """
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temppfsstats = {}
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tempkeystats = {}
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tempecckeystats = {}
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tempdsakeystats = {}
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tempsigstats = {}
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ciphertypes = 0
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AESGCM = False
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AES = False
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CHACHA20 = False
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DES3 = False
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CAMELLIA = False
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RC4 = False
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DHE = False
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ECDHE = False
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RSA = False
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SSL2 = False
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SSL3 = False
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TLS1 = False
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TLS1_1 = False
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TLS1_2 = False
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dualstack = False
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ECDSA = False
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trusted = False
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""" process the file """
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f_abs = os.path.join(r,f)
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with open(f_abs) as json_file:
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""" discard files that fail to load """
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try:
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results = json.load(json_file)
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except ValueError:
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continue
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""" discard files with empty results """
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if len(results['ciphersuite']) < 1:
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continue
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""" loop over list of ciphers """
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for entry in results['ciphersuite']:
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# some servers return different certificates with different
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# ciphers, also we may become redirected to other server with
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# different config (because over-reactive IPS)
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if 'False' in entry['trusted'] and report_untrused == False:
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continue;
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""" store the ciphers supported """
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if 'AES128-GCM' in entry['cipher'] or 'AES256-GCM' in entry['cipher']:
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if not AESGCM:
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AESGCM = True
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ciphertypes += 1
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elif 'AES' in entry['cipher']:
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if not AES:
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AES = True
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ciphertypes += 1
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elif 'DES-CBC3' in entry['cipher']:
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if not DES3:
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DES3 = True
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ciphertypes += 1
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elif 'CAMELLIA' in entry['cipher']:
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if not CAMELLIA:
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CAMELLIA = True
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ciphertypes += 1
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elif 'RC4' in entry['cipher']:
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if not RC4:
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ciphertypes += 1
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RC4 = True
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elif 'CHACHA20' in entry['cipher']:
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if not CHACHA20:
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ciphertypes += 1
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CHACHA20 = True
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else:
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ciphertypes += 1
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name = "z:" + entry['cipher']
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cipherstats[name] += 1
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""" store key handshake methods """
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if 'ECDHE' in entry['cipher']:
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ECDHE = True
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temppfsstats[entry['pfs']] = 1
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elif 'DHE' in entry['cipher']:
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DHE = True
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temppfsstats[entry['pfs']] = 1
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""" save the key size """
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if 'ECDSA' in entry['cipher']:
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ECDSA = True
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tempecckeystats[entry['pubkey'][0]] = 1
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elif 'DSS' in entry['cipher']:
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tempdsakeystats[entry['pubkey'][0]] = 1
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elif 'AECDH' in entry['cipher'] or 'ADH' in entry['cipher']:
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""" skip """
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else:
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tempkeystats[entry['pubkey'][0]] = 1
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if ECDSA:
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dualstack = True
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if 'True' in entry['trusted'] and not 'ADH' in entry['cipher'] and not 'AECDH' in entry['cipher']:
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trusted = True
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""" save key signatures size """
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tempsigstats[entry['sigalg'][0]] = 1
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""" store the versions of TLS supported """
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for protocol in entry['protocols']:
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if protocol == 'SSLv2':
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SSL2 = True
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elif protocol == 'SSLv3':
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SSL3 = True
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elif protocol == 'TLSv1':
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TLS1 = True
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elif protocol == 'TLSv1.1':
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TLS1_1 = True
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elif protocol == 'TLSv1.2':
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TLS1_2 = True
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json_file.close()
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""" don't store stats from unusued servers """
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if report_untrused == False and trusted == False:
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continue
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total += 1
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""" done with this file, storing the stats """
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if DHE or ECDHE:
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pfsstats['Support PFS'] += 1
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if 'DHE-' in results['ciphersuite'][0]['cipher']:
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pfsstats['Prefer PFS'] += 1
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for s in temppfsstats:
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pfsstats[s] += 1
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for s in tempkeystats:
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keysize['RSA ' + s] += 1
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for s in tempecckeystats:
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keysize['ECDSA ' + s] += 1
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for s in tempdsakeystats:
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keysize['DSA ' + s] += 1
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if dualstack:
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dsarsastack += 1
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for s in tempsigstats:
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sigalg[s] += 1
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""" store cipher stats """
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if AESGCM:
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cipherstats['AES-GCM'] += 1
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if ciphertypes == 1:
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cipherstats['AES-GCM Only'] += 1
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if AES:
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cipherstats['AES'] += 1
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if ciphertypes == 1:
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cipherstats['AES-CBC Only'] += 1
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if (AES and ciphertypes == 1) or (AESGCM and ciphertypes == 1)\
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or (AES and AESGCM and ciphertypes == 2):
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cipherstats['AES Only'] += 1
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if CHACHA20:
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cipherstats['CHACHA20'] += 1
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if ciphertypes == 1:
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cipherstats['CHACHA20 Only'] += 1
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if DES3:
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cipherstats['3DES'] += 1
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if ciphertypes == 1:
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cipherstats['3DES Only'] += 1
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if CAMELLIA:
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cipherstats['CAMELLIA'] += 1
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if ciphertypes == 1:
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cipherstats['CAMELLIA Only'] += 1
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if RC4:
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cipherstats['RC4'] += 1
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if ciphertypes == 1:
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cipherstats['RC4 Only'] += 1
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""" store handshake stats """
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if ECDHE:
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handshakestats['ECDHE'] += 1
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if DHE:
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handshakestats['DHE'] += 1
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if RSA:
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handshakestats['RSA'] += 1
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""" store protocol stats """
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if SSL2:
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protocolstats['SSL2'] += 1
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if not SSL3 and not TLS1 and not TLS1_1 and not TLS1_2:
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protocolstats['SSL2 Only'] += 1
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if SSL3:
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protocolstats['SSL3'] += 1
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if not SSL2 and not TLS1 and not TLS1_1 and not TLS1_2:
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protocolstats['SSL3 Only'] += 1
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if TLS1:
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protocolstats['TLS1'] += 1
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if not SSL2 and not SSL3 and not TLS1_1 and not TLS1_2:
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protocolstats['TLS1 Only'] += 1
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if TLS1_1:
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protocolstats['TLS1.1'] += 1
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if not SSL2 and not SSL3 and not TLS1 and not TLS1_2:
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protocolstats['TLS1.1 Only'] += 1
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if TLS1_2:
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protocolstats['TLS1.2'] += 1
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if not SSL2 and not SSL3 and not TLS1 and not TLS1_1:
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protocolstats['TLS1.2 Only'] += 1
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if TLS1_2 and not TLS1_1 and TLS1:
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protocolstats['TLS1.2, 1.0 but not 1.1'] += 1
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# for testing, break early
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#if total % 1999 == 0:
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# break
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print("SSL/TLS survey of %i websites from Alexa's top 1 million" % total)
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if report_untrused == False:
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print("Stats only from connections that did provide valid certificates")
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print("(or anonymous DH from servers that do also have valid certificate installed)\n")
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""" Display stats """
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print("\nSupported Ciphers Count Percent")
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print("-------------------------+---------+-------")
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for stat in sorted(cipherstats):
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percent = round(cipherstats[stat] / total * 100, 4)
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sys.stdout.write(stat.ljust(25) + " " + str(cipherstats[stat]).ljust(10) + str(percent).ljust(4) + "\n")
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print("\nSupported Handshakes Count Percent")
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print("-------------------------+---------+-------")
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for stat in sorted(handshakestats):
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percent = round(handshakestats[stat] / total * 100, 4)
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sys.stdout.write(stat.ljust(25) + " " + str(handshakestats[stat]).ljust(10) + str(percent).ljust(4) + "\n")
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print("\nSupported PFS Count Percent PFS Percent")
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print("-------------------------+---------+--------+-----------")
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for stat in sorted(pfsstats):
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percent = round(pfsstats[stat] / total * 100, 4)
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pfspercent = 0
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if "ECDH," in stat:
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pfspercent = round(pfsstats[stat] / handshakestats['ECDHE'] * 100, 4)
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elif "DH," in stat:
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pfspercent = round(pfsstats[stat] / handshakestats['DHE'] * 100, 4)
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sys.stdout.write(stat.ljust(25) + " " + str(pfsstats[stat]).ljust(10) + str(percent).ljust(9) + str(pfspercent) + "\n")
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print("\nCertificate sig alg Count Percent ")
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print("-------------------------+---------+--------")
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for stat in sorted(sigalg):
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percent = round(sigalg[stat] / total * 100, 4)
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sys.stdout.write(stat.ljust(25) + " " + str(sigalg[stat]).ljust(10) + str(percent).ljust(9) + "\n")
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print("\nCertificate key size Count Percent ")
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print("-------------------------+---------+--------")
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for stat in sorted(keysize):
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percent = round(keysize[stat] / total * 100, 4)
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sys.stdout.write(stat.ljust(25) + " " + str(keysize[stat]).ljust(10) + str(percent).ljust(9) + "\n")
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sys.stdout.write("RSA/ECDSA Dual Stack".ljust(25) + " " + str(dsarsastack).ljust(10) + str(round(dsarsastack/total * 100, 4)) + "\n")
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print("\nSupported Protocols Count Percent")
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print("-------------------------+---------+-------")
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for stat in sorted(protocolstats):
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percent = round(protocolstats[stat] / total * 100, 4)
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sys.stdout.write(stat.ljust(25) + " " + str(protocolstats[stat]).ljust(10) + str(percent).ljust(4) + "\n")
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