add collection of LoS for the cert paths found
This commit is contained in:
Hubert Kario
Hubert Kario
parent
68577f7918
commit
b4291236bb
|
|
@ -57,9 +57,11 @@ hosts = 0
|
|||
chains = defaultdict(int)
|
||||
chain_len = defaultdict(int)
|
||||
keysize = defaultdict(int)
|
||||
keysize_per_chain = defaultdict(int)
|
||||
root_CA = defaultdict(int)
|
||||
sig_alg = defaultdict(int)
|
||||
intermediate_CA = defaultdict(int)
|
||||
effective_security = defaultdict(int)
|
||||
|
||||
subject_hashes = {}
|
||||
issuer_hashes = {}
|
||||
|
|
@ -161,7 +163,7 @@ def get_path_for_hash(cert_hash):
|
|||
if not os.path.exists(f_name):
|
||||
f_name = ca_certs_path + '/' + c_hash + '.pem'
|
||||
if not os.path.exists(f_name):
|
||||
print "File with hash " + c_hash + " is missing!"
|
||||
#print "File with hash " + c_hash + " is missing!"
|
||||
return None
|
||||
return f_name
|
||||
|
||||
|
|
@ -176,8 +178,43 @@ def is_chain_trusted_at_all(cert_list):
|
|||
|
||||
return all_CAs_context.validate_certificate(cert, stack)
|
||||
|
||||
""" convert RSA and DSA key sizes to estimated Level of security """
|
||||
def rsa_key_size_to_los(size):
|
||||
if size < 760:
|
||||
return 40
|
||||
elif size < 1020:
|
||||
return 64
|
||||
elif size < 2040:
|
||||
return 80
|
||||
elif size < 3068:
|
||||
return 112
|
||||
elif size < 4094:
|
||||
return 128
|
||||
elif size < 7660:
|
||||
return 152
|
||||
elif size < 15300:
|
||||
return 192
|
||||
else:
|
||||
return 256
|
||||
|
||||
def sig_alg_to_los(name):
|
||||
if 'SHA1' in name.upper():
|
||||
return 80
|
||||
elif 'SHA224' in name.upper():
|
||||
return 112
|
||||
elif 'SHA256' in name.upper():
|
||||
return 128
|
||||
elif 'SHA384' in name.upper():
|
||||
return 192
|
||||
elif 'SHA512' in name.upper():
|
||||
return 256
|
||||
else:
|
||||
raise UnknownSigAlgError
|
||||
|
||||
def collect_key_sizes(file_names):
|
||||
|
||||
tmp_keysize = {}
|
||||
|
||||
""" don't collect signature alg for the self signed root """
|
||||
with open(file_names[-1]) as cert_file:
|
||||
cert_pem = cert_file.read()
|
||||
|
|
@ -187,12 +224,19 @@ def collect_key_sizes(file_names):
|
|||
pubkey = cert.get_pubkey()
|
||||
if pubkey.type() == crypto.TYPE_RSA:
|
||||
keysize['RSA ' + str(pubkey.bits())] += 1
|
||||
tmp_keysize['RSA ' + str(pubkey.bits())] = 1
|
||||
security_level = rsa_key_size_to_los(pubkey.bits())
|
||||
elif pubkey.type() == crypto.TYPE_DSA:
|
||||
keysize['DSA ' + str(pubkey.bits())] += 1
|
||||
tmp_keysize['DSA ' + str(pubkey.bits())] = 1
|
||||
security_level = rsa_key_size_to_los(pubkey.bits())
|
||||
elif pubkey.type() == 408:
|
||||
keysize['ECDSA ' + str(pubkey.bits())] += 1
|
||||
tmp_keysize['ECDSA ' + str(pubkey.bits())] = 1
|
||||
security_level = pubkey.bits()/2
|
||||
else:
|
||||
keysize[str(pubkey.type()) + ' ' + str(pubkey.bits())] += 1
|
||||
security_level = 0
|
||||
|
||||
root_CA[get_cert_subject_name(cert)] += 1
|
||||
|
||||
|
|
@ -206,17 +250,60 @@ def collect_key_sizes(file_names):
|
|||
pubkey = cert.get_pubkey()
|
||||
if pubkey.type() == crypto.TYPE_RSA:
|
||||
keysize['RSA ' + str(pubkey.bits())] += 1
|
||||
tmp_keysize['RSA ' + str(pubkey.bits())] = 1
|
||||
c_key_level = rsa_key_size_to_los(pubkey.bits())
|
||||
elif pubkey.type() == crypto.TYPE_DSA:
|
||||
keysize['DSA ' + str(pubkey.bits())] += 1
|
||||
tmp_keysize['DSA ' + str(pubkey.bits())] = 1
|
||||
c_key_level = rsa_key_size_to_los(pubkey.bits())
|
||||
elif pubkey.type() == 408:
|
||||
keysize['ECDSA ' + str(pubkey.bits())] += 1
|
||||
tmp_keysize['ECDSA ' + str(pubkey.bits())] = 1
|
||||
c_key_level = pubkey.bits() / 2
|
||||
else:
|
||||
keysize[str(pubkey.type()) + ' ' + str(pubkey.bits())] += 1
|
||||
c_key_level = 0
|
||||
|
||||
if security_level > c_key_level:
|
||||
security_level = c_key_level
|
||||
|
||||
sig_alg[cert.get_signature_algorithm()] += 1
|
||||
c_sig_level = sig_alg_to_los(cert.get_signature_algorithm())
|
||||
if security_level > c_sig_level:
|
||||
security_level = c_sig_level
|
||||
|
||||
intermediate_CA[get_cert_subject_name(cert)] += 1
|
||||
|
||||
for key_s in tmp_keysize:
|
||||
keysize_per_chain[key_s] += 1
|
||||
|
||||
# XXX doesn't handle the situation in which the CA uses its certificate
|
||||
# for a web server properly
|
||||
with open(file_names[0]) as cert_file:
|
||||
cert_pem = cert_file.read()
|
||||
|
||||
cert = crypto.load_certificate(crypto.FILETYPE_PEM, cert_pem)
|
||||
|
||||
pubkey = cert.get_pubkey()
|
||||
if pubkey.type() == crypto.TYPE_RSA:
|
||||
c_key_level = rsa_key_size_to_los(pubkey.bits())
|
||||
elif pubkey.type() == crypto.TYPE_DSA:
|
||||
c_key_level = rsa_key_size_to_los(pubkey.bits())
|
||||
elif pubkey.type() == 408:
|
||||
c_key_level = pubkey.bits() / 2
|
||||
else:
|
||||
c_key_level = 0
|
||||
|
||||
if security_level > c_key_level:
|
||||
security_level = c_key_level
|
||||
|
||||
c_sig_level = sig_alg_to_los(cert.get_signature_algorithm())
|
||||
if security_level > c_sig_level:
|
||||
security_level = c_sig_level
|
||||
|
||||
effective_security[security_level] += 1
|
||||
|
||||
|
||||
all_CAs_context = Context()
|
||||
all_CAs_context.load_verify_locations(capath=ca_certs_path)
|
||||
trusted_context = Context()
|
||||
|
|
@ -267,7 +354,10 @@ for r,d,flist in os.walk(path):
|
|||
if c_hash in known_certs:
|
||||
certs += [known_certs[c_hash]]
|
||||
else:
|
||||
cert = X509.load_cert(get_path_for_hash(c_hash))
|
||||
path = get_path_for_hash(c_hash)
|
||||
if path is None:
|
||||
continue
|
||||
cert = X509.load_cert(path)
|
||||
known_certs[c_hash] = cert
|
||||
certs += [cert]
|
||||
|
||||
|
|
@ -285,10 +375,13 @@ for r,d,flist in os.walk(path):
|
|||
if server_chain_trusted:
|
||||
if server_chain_complete:
|
||||
chains["complete"] += 1
|
||||
print "complete: " + f
|
||||
else:
|
||||
chains["incomplete"] += 1
|
||||
print "incomplete: " + f
|
||||
else:
|
||||
chains["untrusted"] += 1
|
||||
print "untrusted: " + f
|
||||
|
||||
if valid:
|
||||
hosts += 1
|
||||
|
|
@ -321,11 +414,27 @@ for stat in sorted(chain_len):
|
|||
percent = round(chain_len[stat] / total * 100, 4)
|
||||
sys.stdout.write(stat.ljust(25) + " " + str(chain_len[stat]).ljust(10) + str(percent).ljust(4) + "\n")
|
||||
|
||||
print("\nCA Key Size Count Percent")
|
||||
print("-------------------------+---------+-------")
|
||||
print("\nCA key size in chains Count")
|
||||
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(4) + "\n")
|
||||
sys.stdout.write(stat.ljust(25) + " " + str(keysize[stat]).ljust(10) + "\n")
|
||||
|
||||
print("\nChains with CA key Count Percent")
|
||||
print("-------------------------+---------+-------")
|
||||
for stat in sorted(keysize_per_chain):
|
||||
percent = round(keysize_per_chain[stat] / total * 100, 4)
|
||||
sys.stdout.write(stat.ljust(25) + " " + str(keysize_per_chain[stat]).ljust(10) + str(percent).ljust(4) + "\n")
|
||||
|
||||
print("\nSignature algorithm (ex. root) Count")
|
||||
print("------------------------------+---------")
|
||||
for stat in sorted(sig_alg):
|
||||
sys.stdout.write(stat.ljust(30) + " " + str(sig_alg[stat]).ljust(10) + "\n")
|
||||
|
||||
print("\nEff. host cert chain LoS Count Percent")
|
||||
print("-------------------------+---------+-------")
|
||||
for stat in sorted(effective_security):
|
||||
percent = round(effective_security[stat] / total * 100, 4)
|
||||
sys.stdout.write(str(stat).ljust(25) + " " + str(effective_security[stat]).ljust(10) + str(percent).ljust(4) + "\n")
|
||||
|
||||
print("\nRoot CAs Count Percent")
|
||||
print("---------------------------------------------+---------+-------")
|
||||
|
|
@ -333,12 +442,6 @@ for stat in sorted(root_CA):
|
|||
percent = round(root_CA[stat] / total * 100, 4)
|
||||
sys.stdout.write(stat.ljust(45)[0:45] + " " + str(root_CA[stat]).ljust(10) + str(percent).ljust(4) + "\n")
|
||||
|
||||
print("\nSignature algorithm Count Percent")
|
||||
print("-------------------------+---------+-------")
|
||||
for stat in sorted(sig_alg):
|
||||
percent = round(sig_alg[stat] / total * 100, 4)
|
||||
sys.stdout.write(stat.ljust(25) + " " + str(sig_alg[stat]).ljust(10) + str(percent).ljust(4) + "\n")
|
||||
|
||||
print("\nIntermediate CA Count Percent")
|
||||
print("---------------------------------------------+---------+-------")
|
||||
for stat in sorted(intermediate_CA):
|
||||
|
|
|
|||
Loading…
Reference in New Issue