Julien Vehent
commit
325329d1ad
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@ -9,10 +9,15 @@ 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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@ -20,9 +25,14 @@ for r,d,flist in os.walk(path):
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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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@ -34,6 +44,9 @@ for r,d,flist in os.walk(path):
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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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@ -48,13 +61,17 @@ for r,d,flist in os.walk(path):
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if len(results['ciphersuite']) < 1:
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continue
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total += 1
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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 'AES-GCM' in entry['cipher']:
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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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@ -74,6 +91,10 @@ for r,d,flist in os.walk(path):
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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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@ -87,6 +108,25 @@ for r,d,flist in os.walk(path):
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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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@ -101,14 +141,34 @@ for r,d,flist in os.walk(path):
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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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pfsstats['Prefer ' + results['ciphersuite'][0]['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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@ -117,7 +177,14 @@ for r,d,flist in os.walk(path):
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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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@ -130,6 +197,12 @@ for r,d,flist in os.walk(path):
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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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if 'RC4' in results['ciphersuite'][0]['cipher']:
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if 'TLSv1.1' in results['ciphersuite'][0]['protocols'] or\
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'TLSv1.2' in results['ciphersuite'][0]['protocols']:
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cipherstats['RC4 forced in TLS1.1+'] += 1
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cipherstats['RC4 Preferred'] += 1
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""" store handshake stats """
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if ECDHE:
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@ -152,22 +225,30 @@ for r,d,flist in os.walk(path):
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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 not SSL2 and (SSL3 or TLS1) and not TLS1_1 and not TLS1_2:
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protocolstats['SSL3 or TLS1 Only'] += 1
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if not SSL2 and not SSL3 and not TLS1:
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protocolstats['TLS1.1 or up 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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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:
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protocolstats['TLS1.2 but not 1.1'] += 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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@ -192,6 +273,20 @@ for stat in sorted(pfsstats):
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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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