mirror of
https://github.com/mozilla/cipherscan.git
synced 2024-12-25 12:13:41 +01:00
add more probes
since not all servers support the ciphers supported by Firefox 42, add other configurations to make sure we can find a way to connect to server, if anything could also includes much more elaborate and realistic TLSv1.3 Client Hello (the Xmas tree)
This commit is contained in:
Hubert Kario
parent
22ed23f071
commit
88ae052f8e
141
cscan.py
141
cscan.py
@ -5,15 +5,21 @@
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from __future__ import print_function
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from tlslite.messages import ClientHello, ServerHello, ServerHelloDone, Alert
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from tlslite.constants import CipherSuite, \
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AlertLevel
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ExtensionType, AlertLevel
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from tlslite.extensions import TLSExtension
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import sys
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import json
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import getopt
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import itertools
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import copy
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from cscan.scanner import Scanner
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from cscan.config import Firefox_42
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from cscan.modifiers import set_hello_version
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from cscan.config import Xmas_tree, IE_6, IE_8_Win_XP, \
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IE_11_Win_7, IE_11_Win_8_1, Firefox_46, Firefox_42, HugeCipherList, \
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VeryCompatible
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from cscan.modifiers import no_sni, set_hello_version, set_record_version, \
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no_extensions, truncate_ciphers_to_size, append_ciphers_to_size, \
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extend_with_ext_to_size, add_empty_ext
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def scan_with_config(host, port, conf, hostname, __sentry=None, __cache={}):
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@ -32,6 +38,26 @@ def scan_with_config(host, port, conf, hostname, __sentry=None, __cache={}):
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return ret
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class IE_6_ext_tls_1_0(IE_6):
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def __init__(self):
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super(IE_6_ext_tls_1_0, self).__init__()
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self.modifications += ["TLSv1.0", "ext"]
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self.version = (3, 1)
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self.record_version = (3, 0)
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def __call__(self, hostname):
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ret = super(IE_6_ext_tls_1_0, self).__call__(hostname)
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ret.ssl2 = False
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# filter out SSLv2 ciphersuites
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ret.cipher_suites = [i for i in ret.cipher_suites if i <= 0xffff and
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i != CipherSuite.
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TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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ret.extensions = [TLSExtension(extType=ExtensionType.
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renegotiation_info)
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.create(bytearray(1))]
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return ret
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def simple_inspector(result):
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"""
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Perform simple check to see if connection was successful.
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@ -89,20 +115,122 @@ configs = {}
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def load_configs():
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"""Load known client configurations for later use in scanning."""
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base_configs = [Firefox_42]
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base_configs = [Xmas_tree, Firefox_42, IE_8_Win_XP, IE_11_Win_7,
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VeryCompatible]
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for conf in base_configs:
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# only no extensions
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gen = no_extensions(conf())
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configs[gen.name] = gen
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gen = no_sni(conf())
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configs[gen.name] = gen
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for version in ((3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 254)):
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if conf().version != version:
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# just changed version
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gen = set_hello_version(conf(), version)
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if gen.record_version > version:
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gen.record_version = version
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gen = set_record_version(gen, version)
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configs[gen.name] = gen
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# changed version and no extensions
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gen = set_hello_version(conf(), version)
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if gen.record_version > version:
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gen = set_record_version(gen, version)
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gen = no_extensions(gen)
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configs[gen.name] = gen
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# changed version and no sni
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gen = set_hello_version(conf(), version)
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if gen.record_version > version:
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gen = set_record_version(gen, version)
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gen = no_sni(gen)
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configs[gen.name] = gen
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# Xmas tree configs
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gen = Xmas_tree()
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configs[gen.name] = gen
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gen = no_sni(Xmas_tree())
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configs[gen.name] = gen
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# Firefox 42 configs
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gen = Firefox_42()
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configs[gen.name] = gen
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# Firefox 46 configs
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gen = Firefox_46()
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configs[gen.name] = gen
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gen = set_hello_version(Firefox_46(), (3, 254))
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configs[gen.name] = gen
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gen = set_hello_version(Firefox_46(), (3, 5))
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configs[gen.name] = gen
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gen = no_extensions(set_hello_version(Firefox_46(), (3, 5)))
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configs[gen.name] = gen
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gen = set_hello_version(Firefox_46(), (3, 1))
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configs[gen.name] = gen
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# IE 6 configs
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gen = IE_6()
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configs[gen.name] = gen
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gen = IE_6_ext_tls_1_0()
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configs[gen.name] = gen
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# IE 8 configs
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gen = IE_8_Win_XP()
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configs[gen.name] = gen
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gen = extend_with_ext_to_size(IE_8_Win_XP(), 200)
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configs[gen.name] = gen
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for ext_id in (0, 1, 2, 3, 4, 5):
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gen = add_empty_ext(IE_8_Win_XP(), ext_id)
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configs[gen.name] = gen
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# IE 11 on Win 7 configs
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gen = IE_11_Win_7()
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configs[gen.name] = gen
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gen = no_sni(IE_11_Win_7())
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configs[gen.name] = gen
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gen = set_hello_version(no_sni(IE_11_Win_7()), (3, 2))
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configs[gen.name] = gen
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# IE 11 on Win 8.1 configs
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gen = IE_11_Win_8_1()
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configs[gen.name] = gen
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gen = set_hello_version(IE_11_Win_8_1(), (3, 1))
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configs[gen.name] = gen
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gen = set_hello_version(IE_11_Win_8_1(), (3, 4))
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configs[gen.name] = gen
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# Huge Cipher List
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gen = HugeCipherList()
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configs[gen.name] = gen
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gen = truncate_ciphers_to_size(HugeCipherList(), 16388)
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configs[gen.name] = gen
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# Very Compatible
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gen = VeryCompatible()
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configs[gen.name] = gen
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gen = append_ciphers_to_size(VeryCompatible(), 2**16)
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configs[gen.name] = gen
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gen = extend_with_ext_to_size(VeryCompatible(), 2**16)
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configs[gen.name] = gen
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gen = extend_with_ext_to_size(VeryCompatible(), 16388)
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configs[gen.name] = gen
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def scan_TLS_intolerancies(host, port, hostname):
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"""Look for intolerancies (version, extensions, ...) in a TLS server."""
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@ -159,6 +287,9 @@ def scan_TLS_intolerancies(host, port, hostname):
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conf.version == (3, 2)))
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intolerancies["TLS 1.0"] = all(conf_iterator(lambda conf:
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conf.version == (3, 1)))
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intolerancies["extensions"] = all(conf_iterator(lambda conf:
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conf.extensions and not
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conf.ssl2))
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if json_out:
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print(json.dumps(intolerancies))
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450
cscan/config.py
450
cscan/config.py
@ -7,12 +7,15 @@ import random
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from tlslite.messages import ClientHello
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from tlslite.constants import \
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ECPointFormat, HashAlgorithm, SignatureAlgorithm
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from tlslite.mathtls import goodGroupParameters
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from tlslite.extensions import SNIExtension, SupportedGroupsExtension, \
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TLSExtension, SignatureAlgorithmsExtension, NPNExtension, \
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ECPointFormatsExtension
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ECPointFormatsExtension, PaddingExtension
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from tlslite.utils.cryptomath import numberToByteArray
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from tlslite.utils.ecc import getCurveByName, encodeX962Point
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from tlslite.utils.cryptomath import powMod
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from .constants import CipherSuite, ExtensionType, GroupName
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from .extensions import KeyShareExtension
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class HelloConfig(object):
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"""Base object for all Client Hello configurations."""
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@ -132,3 +135,446 @@ class Firefox_42(HelloConfig):
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SignatureAlgorithm.dsa))
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ext.append(SignatureAlgorithmsExtension()
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.create(sig_algs))
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class Firefox_46(HelloConfig):
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"""Create ClientHello like Firefox 46"""
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# verified by packet capture
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def __init__(self):
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super(Firefox_46, self).__init__()
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self._name = "Firefox 46"
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self.version = (3, 3)
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self.record_version = (3, 1)
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self.ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
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CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
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CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
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CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
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CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
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CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA,
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CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA]
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ext = self.extensions = []
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ext.append(SNIExtension())
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ext.append(TLSExtension(extType=ExtensionType.extended_master_secret))
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ext.append(TLSExtension(extType=ExtensionType.renegotiation_info)
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.create(bytearray(1)))
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ext.append(SupportedGroupsExtension().create([GroupName.secp256r1,
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GroupName.secp384r1,
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GroupName.secp521r1]))
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ext.append(ECPointFormatsExtension().create([ECPointFormat.uncompressed]))
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ext.append(TLSExtension(extType=ExtensionType.session_ticket))
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ext.append(NPNExtension())
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ext.append(TLSExtension(extType=ExtensionType.alpn)
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.create(bytearray(b'\x00\x15' +
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b'\x02' + b'h2' +
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b'\x08' + b'spdy/3.1' +
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b'\x08' + b'http/1.1')))
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ext.append(TLSExtension(extType=ExtensionType.status_request)
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.create(bytearray(b'\x01' +
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b'\x00\x00' +
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b'\x00\x00')))
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sig_algs = []
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for alg in ['sha256', 'sha384', 'sha512', 'sha1']:
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sig_algs.append((getattr(HashAlgorithm, alg),
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SignatureAlgorithm.rsa))
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for alg in ['sha256', 'sha384', 'sha512', 'sha1']:
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sig_algs.append((getattr(HashAlgorithm, alg),
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SignatureAlgorithm.ecdsa))
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for alg in ['sha256', 'sha1']:
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sig_algs.append((getattr(HashAlgorithm, alg),
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SignatureAlgorithm.dsa))
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ext.append(SignatureAlgorithmsExtension()
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.create(sig_algs))
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_ec_precomputed = {
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'secp256r1' : [
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bytearray(b'\x04\x85\x96\xe5\xa1\x92\x99\xf8\xb1\xb1}\xcd\xdc\x1c^\xfd05\xa1\xe1\xd3\xd0\x87s\xb1\xd8>\x00TX\xac\x86\xe1\xa3\xb0c~\x85\x8d&\xaf"X\xb5\x9cf\x8d\xf4\xf5d\xd7u\'&]\xbe\xe3\x83]ul\xff\x86e\x89'),
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bytearray(b'\x04\xa89\xfc\xb2r\xf3\x03p6\xca\xb6\xe2\xb1t2\t\x8b\xb2\x89\xce\x8f\x84\r\x8b\x1b\r\\\r/\xcd\xabn\xb6WE\xb7\x9a\xba\r\xdb\x03\xc3\x9c\xd9N\x19\x03[\xe0\nK\xf3\xfb\x00\xbe]d\x96e\xf2\xde\x94\td'),
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bytearray(b'\x04\xaa\xf1Q\xfb\xf1\x95\x03\xaa\x8d\x8c\xefB\x8c;\x04u\xdaG\xee\xe5\xd9`J\xe3\x90\xc3T\x02\xe7\x80\x9b\x0f,bi4m2\n\xffD\x9b\xb68\x10\xa3\xbdd]\x05\xa3\x81\xfe\x97J\x9aY\x0e\xe3\x1b\xad\xe4\x84\xbd'),
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bytearray(b'\x04\x17\xf9K\x1b\x95\xd3\xf7\xfc`y\xe7g*A\xeb4!\xbca\xd1)\xa0\x0e\xa88\xbd\xb0\xd6\x9a\x97\x95\xa1R2\xcc]$[\xc1\x90T\x83Lu\xbb%I\x81\x8a\x11\x0c\x01\x07)"\x80\xbb\xbaS\xa5`r\x91\xe6'),
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bytearray(b"\x04xGX\x06\xb2N\xe2\x9f\xfc\xdc}\xd2\xdbU\x9a$\xb6\xbc`\xb6\xec\xaa\xad(\xa4\x7fwU\xcfK/T\xea\xa5\xc2Y\xf7<\xfe\xa9\xaf\xa2f7\xa2\'/\xfd\x18\xae\x1e\xc0,\xa5cd\x8d2\x98\xeeA#\x13\x9c"),
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bytearray(b'\x04\x14\xf0\xf5_\xa1\xf6\xa5\x1c\xf4%\x17\xc4\x86uE|\xc3#\x11\x9b\xf8\xf2\xcc\xc8F/\xcb\xc46,\x81+@\xbeS\x93\xa59\xae\xc8\xe9 {\r\xdfE j!\xa7\xef\x85\x04\xa0\x9bI\xbbiC\x9c#II\xb2')],
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'secp384r1' : [
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bytearray(b'\x04*\x9c\x14\xfe!_\xea\xa7\xef\x8aR\xd7\x9d\xab\xc3fU6)\x8b\xce\x935q\x92l\xbc\xb84\x96$\xf0\x86\x05\x85\xaaEq\xca0\x99\xf6c\xf2+=\xc9!Ms%z\xf7\x98\x1auCOb\xcc\xdc\x89\x1d\x97\xa7y\xe0\x8e\xea/\x80brj\xd7\x1b\x17\x89<\xe5\xba\xa3*\x0c\xb5\r\xde}\xa7{\x94\x9f\x81\xb3:\x92'),
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bytearray(b"\x04\x9b]\xfap\xf5R\xefCv\x95\xc4c\xea\xee\xe1i\xf80\x97\x08\xdb\xe7\x83a\x8f~`\xd7`>A\x8aS6\x82\'\xd6711\x9b,+\xc9\xbb\xa7\xa3E\xe3\xfb\x1a\xa2\x83\xac\xf8\x0eV\x93y\xb2w\xe5\xf5hQ3H\xa0\xa9\x8d\xfdg\xe9\xac\x12\xcd%(bY\xc5+\x98o\xb5D1\xcbu\x7f\t\x8f\xfe\xfa\x16q"),
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bytearray(b'\x04@\'b\'{\x15H\xb0\x9c?\xe5dg\xbf\xe4\'\xe1D\xf7FIs\xb9\x153\x87x\xcb\xb7\xf6b\x9b\xe5\x10_\xfc%Z\x87\xa5\xae(\x13\xb1*]_g\xd4\xeaeH\x83\xed\xa0N\x82Mqz;\xbba\x0f\xf6\x9c\x08"\xca\x00\x8fq\xc5\xc7\t{\xf1l_h\x05\xec\x9a\x19N\x98+%=?\x14\xbf0\x94\x13"'),
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bytearray(b"\x04pM\xfe\xf0+h\xe3\x9d\xda\xe1x1\x02}\xa4\xa2\x83\'\xfem\x1a;\xbf\x10\xd7\xb2\xd9I\x06-\x9fY\xa3k9\xc4\xc8\xda\x1e>G\xaf\xcb|\x01\xd6j\xff|\xe0>\x81I\x8b\x03\xd3\xf8\xc9|\xab&w\xf8\x1b\x9a\x98\xb1CXAU\t\x03\xd6\xcf\xa0L\xd1B \x13Mr\xbe\x8b\xe6}\xf2\xb2oc\x98A\x94\x9eX"),
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bytearray(b'\x04\x1a[X\x13\x17"^\x02\x19d\xc4\xec\x14\xea<\x8c\xd2f\x95\xb4b\xdc\xbbG;pq\x9a^\xf8\xd0\xe7\x99Ofk\x1e#\x8dZ\xcb\xbf\x1e=p\xaa\xe5\x92\xda^\xb2\x86\xdf\xf8(\xfcIc\xde\xcempP\x82\xcd\x88\xe3\x87\xd1\x8b\xac\xe5\x19\xd4)\ndPX\\)\xf7\x1c\xdef\x0e` \x13\xa1\xa8YSun4'),
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bytearray(b"\x04\xce\xbe\xb9{$#\x03c\xdemi\xf0\xec\x07]Q8^\x8b\xdd,)~\x972]cI\xbe\xc9\x8b\xa0\xd7\xc7\x96H\xa4\xea\xb2\x86%\xee\xb2\xc8\x08\x1d\xa4\xb9\xc5Bc \xac-;J{\x10\xafh\xceU*+h\xda&7\'\x15<x\xa8\xb9\xbecR\x97\xff<\xb2\xba\x92!\xc6|\xb1\xb5\x01\xb5c\xc9|\xe7\xbd\x01")],
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'secp521r1' : [
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bytearray(b"\x04\x01\xf9\xe3\x88\xcdU\xeb\xda.3\x8b\xf8\xc2\x82M\xd9\xf1@\x9d\xa6\xee\xa4\xc7\x82\xbf\x81S\xce\xedQ\xb4o,(>\xb7d5\xfd\x94\x86\xd3\xe8=\xcc\xbf\x8d\x07\x17\xc9(\x17U@gH\x8d]\xc5\xe2\xe2;.S\xf9\xa1\x00\xc2\xb5\xb7\'\x05f\xe6\xf3\xf7Za\xa1\xa4\x9209\xf3I\xe3\xdd%\xd1\x8a\x82\n4Z\xa1ol?l(\x939_+(\x1c\xca\xa4\xc3\xdb\x01\x19\xc5\xb4\xfc\xb7\xa8\xa4\xd3\x14x\x0c\x1f\x91\xd1!5\x1a\xb0\x0b\xa7\xe9"),
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bytearray(b'\x04\x01\xban\x80\x85\xe8\xc7\xd0r\x17\x84\xea\x16\xc0\xfdM\xde\x98\xfe\x82\xd9\x06{\t\x1f*\xa2(t\xd4\x95y\xb7\x98\xbbP\xf1\xd9_9\xe3\xd3\xf8\xf1\xa9\xec\x1c\xce\xf6\\\xb1\xb6`|\xb9`]Wy\xaf\x99\xfc\xc2\xa5$\xd9\x01\xb5Y\x85\x85.\xc8\x8a\x94\xde\xbc\xe6m/\x04C 6|m\x92\x00\xfan*\x1c\xb7z\xbc\xc4|\xea,/t\xc7,"<R5h\x95\xf9\xc3%\x87\xa6!\x97\xa9\x94\xc7\t=\x1d\x8b,\xb6\xb5\xafF_r\\V'),
|
||||
bytearray(b'\x04\x01\xf5?\xbf\x065\x9bB}\xdb\x90\xadD\xd6\xe2?e\xae\xb9\x13\xa8zZ7\xa0\xa3\xf1}b3\\\x08\x81d~V\\;\xd2\x9a\xc9\x93\x84-e\'\x9cy\xc1t\xaa\xce\x0f\x9a\xfdk\x1c9\xf6R\xeb\xa1\xf4kw\x10\x01P)]\xfb\xc7n\xb7\xfe\xd8\xdaO\xc9DK\xbb\xb4/\xfb\x17J\x98\xaen\xd4\x93\x16n\xb1\x95\x94\xe5\xc6\xfd\x0bADj\x0e\xc1\xf5\x81`\xc8\xe9;X\ttr\xb1.\x96f\xe2\xc9^?\xf7r=\xf2"\x9f}<'),
|
||||
bytearray(b'\x04\x01g3\xe2\x1f\x8b|$#V\xa0\x05\xd0=\xc6\xdf\xd9\xaf\xf2&\xebEn\xf6?9\xfaQ\xfb\x94\x8be3\x1f\xb3\x91\xa5|3\x981\x8d\x1d\x92QL\xd6\xa3\x80o++9\xaf#cN\xe8\x19O\x84+\x8e\x1cT\xf8\x00\xca\xe2\x01\xbc\xd9\xa4\xccV\xa0\x1d\xb7\xe7\xecm{\xa9<\xc31o&\xfaq\xba\x1av\x80\x1c\x06\xd3\xad\x95-\x9d\x03\x1e\x97}\xd2??\xb8\xb3r\x94\xd1\xba\x9aC\x95\xe2\xab\xd1\xe3V2\x0f\xbe\xce\xdb\xbamT\xf7\xd3'),
|
||||
bytearray(b'\x04\x01~\xea\x9a?\xc3[\x99\x8f\xa0z\x1a\x95\xa8T\xd6Y\xc9\x90\xbe\\!\x82\xd2\x04"/\xe7\xf1\xb9,\x7f~\x12\xc3\xe4\xcd\x9f\xf0.!\x1c?2v\x0b\xa7\x04\xe64\x8c\x1a2V\x91\x07\xe2\xc8\x182\xc6\x9b\x9e\xe8\x02\xc1\x00\x05\xfd\xc5\x16S\xa4\x97Ds\x95\xb4Md\xd79\x1cn\xdfLC\'\x02\xcf\x9f\xdb\xa8\xd5\x88\x99\xb3/\xb4M\x8fN\xcf\x81\xeb\x97z\x05\x17\xb4\xcdb\x86\x86\x84\\\xe1Y\x96\xf09\x02\xa79S9\x15\x91\xce\xd84g'),
|
||||
bytearray(b'\x04\x01\xbc\xcd7\xb4\x03\xfa.\x0e\x01\xf7\x13\xa4e\xd9\xfd\xcb\xb9\xfb\x8c\xf5\x1e\x1b\xafU\xedN\x00C\xe7b\xcf\x0c\xcd"\x9a\xec\xec\xf6\xce\xbf\x9a\x9d&\x12\x03\x05T,\x98*\xbc0g\xf5\x9e{/B\xdd5dv\xafNs\x01\xe0\x8d\xf9\x8b\x92\xa0\x9f\xf3\xf8oi\xba\xe8(\xc9\xa2R\x8b\xf9C\xa1):A"\xec\x80\xf5\x94\xb2\xd7\x1d\xc0\x9eU\x10\x18\xd9\xc6 i\\0\xb1\xc5\xc1S\xac\x94< \xb1\xe7\xf0L[\x02T\xde\xac0\xb90\xa4\x05')]
|
||||
}
|
||||
|
||||
def _ec_key_share(name):
|
||||
if name in _ec_precomputed:
|
||||
return random.choice(_ec_precomputed[name])
|
||||
generator = getCurveByName(name).generator
|
||||
secret = random.randint(2, generator.order())
|
||||
|
||||
ret = encodeX962Point(generator * secret)
|
||||
return ret
|
||||
|
||||
_ff_precomputed = {
|
||||
'ffdhe8192' : [
|
||||
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|
||||
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|
||||
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|
||||
bytearray(b'\x99\x96\xec[F\xb8$\x0c\xb7\xfe\xe08\x97\x8b\x91x\xbf\xbf&a[fr\x01\xc7L\xeb\x08\x95\xf6\x19\xe9\xf8\xd2\xc6\x16`\xd5\x08cy[\xe9\xc9\x8bA\x03\xd1\xef\x83>^\x90\xab\xb3:\x84\xfa"\xed\xc1A?D<\x17c\xba\xba`\xfd\xaa\xae\x9d\xc7:j\xb3#\xa0\xa6"R(P\\\xdc\xc9s\x00&2\x10\xe7*jvJ\xa0\rU\x80R\xe1\x8e\xe9\x97\xe6\x1a\x05W\xc1{\xe3y\xbf.\xbb\xde\x11j\xf4\xdfCc\xaa\x15@2\xe6V+w:\xebD&\x9a\x8cAC\xfa7\xd6<!|\xd5\xae\xe6\xca\xe7\xbbc\x15yB7\xb7\x15\x9b\xca\xc1Rw\x9e\x13\xfa\xa4\x1f\x8a\x15VB\xe4<=\x92H"\xbcv\x18]\x83\xd7\xa6\t\xa0L\xf7}\x13\t:y\xdfZ\xc4\x19\x07\t\xa3\xc6\xeb\xa5`\x94\xbf\xb3\xe1\x95\xe0xh\xa4(um\n\x0cB\x19-\x83zU\xcd\xd8{\xb4\xab\x08Sl\xed\x0eU\xeb\xe1\xd4|\xc7\\*""\xbaB\x88\x83\xe0\xe8V\xf4{z&\xd7\xf4\x81>\xb2\xd1\x8f\xf4\xb4d\xe4\xbb~5\xbaU\xa5\x8f\xa09\xea\xc1C\xb5\x9fR\x05E%\xe0\x0bp\x1b\x88\xbb\xf1lI\xd5\xe0{\xa4\x0e\x12)o\x8a\xefr\x11\xe2\xde\xca\x14\xb0\x8c\xf1\x97\x1b\xb2o\xe8g\xc5M\xcd\xb3I\xa7C\xd7\xd7\x0b\xa5c%\xf9s\xf2I\xba\x82\x8et(W\xf8\xf1\x8a\xd6\xcc\xbc\x13\x08O\x8a\xe6\xfa`?\xae\xc2H\x1aAN)\xe8\xb5\xc3\n\xd6l~\x8d\xd73\x18r&\x98\xfb7\x84\xbc\xff\xd8\xdd\xac%u,\xfb\xbf\x04\xcc\x9d\xa4a\x17\x90\x83\xd3\xe3UV\xcd\x9f\n"6_8R\xaf`NH\xf2\xf93,_E\xa99\x99\xbbL"\x9b\xd1qv91\x844\xea\x9f\xe7\x8a&\xd0v\x0c\x8c\xd8\xfd\xb8\x97\xff\x98O\xc8\xc9:\xdf\x89\xc2\x82\xac\xcaw\xa4\xf8h\xa8i\xa5A\x07s\xbb\xed\xcdLV{\x8b\xf9\x81\xcb2\xad\xb7>\x9a\x97\xcb\xe8|x\xa3p\x93\'\xff\xce\x91\x85\xb8\xdaq\xac\xcd\x90n\x1b\xffr\xd2\xdd\xf2<\xc1\xe5\x94\xc6\xbe0\xe61\xbe\xa4\xe4\xb2\x93\xa9\xaaoI\x11\x04\xc8\'3\xe0FJ\x9f^N\xed\x8f\xb4\xcb\x128\xa3x\xeb\xc8\xdaI\xeaBBb\x1d\xc2\xe3\xdc\x7f%\xc6J\xa3\x1fF\x12\xa3s\xc8C\xe2\xde\xc5\xe0\xe7\xeb\\\xf8\x99\xf7\xd6\xa4vPg\x8f,\xe0\xcf\xef8d\x9cZ\x80\xc1\xac\xba\x14s\x8d\x05\x8a.\xd5D\xe3\xcd\x1e\xf7\xd99\xb8\xb4\x81\xf5\xa1\x1a\x11m6\x80\'y\xef\xc3r~E3h\n7Q\x14V#\xde\x81\xcc\xe0V\xd7\xb3\x84\xd5\x9c\x83\x91\xaf\xf2\x832\x10\xf1\\\x05\x14L\xdf`\xf3\xf5\x0e\xd98N6%[.2\xc3\xd4L<\xc9(\x96\x88\x84\xca\xfb\xf7e\xe4\xdd\x9e\x91DK!\x8a\\\x85\xc1U\x91\xc8APvy\xf6z\x1b\xfc\xa1\x02^;\xb8\xa5\xe0\xab\xb8\xee.\xac\t\xb9\x16T\xb7g\x11/\x0c\x81\x93\xdeR\x07\xaf\x85\xd1\xbc\xb5\xe0\xc9\xcdL\x9c\x9d\xfc\xbf\xc3K+\x87\x07u\xe6\x02\xd4c\xf4\x857=\x14\xc3{\n\xc7\x08\xcd\xee2\xa9\x9f|\x04tu\x1d\n\xd4\xdbx>A\xc0D\xf8\xadOF@\xad\xa1\xb1i\x12:1\xd9\x05N}\x13\xd6C8\xc0\x83z\xb5J\xee9\xcf\xa3\xc5\xd2\xcb\xd2\x1f\x96\x8b7\x0fw\x9b"\xab\xb9\xa2z\x81\xa8M_\xe3\xa2z\xb8\xc2\x10Q\x05,\x1c\x81\x03,\xc7di\xba\x85\x07z8!F\x989\xcd\x17$\'\xc0^\t\xd6\xe8g\xabg&\xdc\x8f\xa1V\xd1\xb0\xbc\xcf\xe5\x82_\xdf\xe5\x8d\xa8\xe4\x91\x9a\x8eC\x92\xe0/\x93E\x7f\x00\xfb\x88\xaf\x87q\xb9\x7f\xf0\x17M\xb4R\x86\x19<\xd3\x9e;\xca\xa0|\xec\x1f\xbf\x92\xb9\x83[\x19eZ\xc1\x1f\x05\x01\xc2\xbe\xca!\xc3\xaa\x92\xcfE+,\x03\x1c\x1fAA\x04v\xc9\xbc\xe6!\xf9\xfe\x82Y\xef\xb55\x99v\x82\x16\x15\xd1\x9d\xf6t\xee\xd5\xc1\xa5<Z\xd5\xd4\xd1\xdf9\xa4%\xcd\xcd\xd6\xbc\xf7\x1e\x1e"\xb6\xeef\xf0*yk\x7f\xc9>\x8f.\xa9\x01cl\x87\x95<&bW\xbf\x92\x88\x1e0s[')]
|
||||
}
|
||||
|
||||
def _ff_key_share(name):
|
||||
if name in _ff_precomputed:
|
||||
return random.choice(_ff_precomputed[name])
|
||||
ff_map = {'ffdhe8192' : goodGroupParameters[6],
|
||||
'ffdhe6144' : goodGroupParameters[5],
|
||||
'ffdhe4096' : goodGroupParameters[4],
|
||||
'ffdhe3072' : goodGroupParameters[3],
|
||||
'ffdhe2048' : goodGroupParameters[2]}
|
||||
|
||||
generator = ff_map[name]
|
||||
|
||||
secret = random.randint(2, generator[1])
|
||||
|
||||
ret = numberToByteArray(powMod(generator[0], secret, generator[1]))
|
||||
return ret
|
||||
|
||||
class Xmas_tree(HelloConfig):
|
||||
"""
|
||||
Create a Xmas tree (all options enabled) Client Hello message
|
||||
|
||||
Creates a ClientHello message with maximum number of options enabled,
|
||||
currently for TLS 1.3 protocol.
|
||||
"""
|
||||
|
||||
def __init__(self):
|
||||
super(Xmas_tree, self).__init__()
|
||||
self._name = "Xmas tree"
|
||||
self.version = (3, 4)
|
||||
self.record_version = (3, 4)
|
||||
self.ciphers = []
|
||||
self.ciphers.extend(CipherSuite.ecdheEcdsaSuites)
|
||||
self.ciphers.extend(CipherSuite.ecdheCertSuites)
|
||||
self.ciphers.extend(CipherSuite.dheCertSuites)
|
||||
self.ciphers.extend(range(0x0100, 0x0200))
|
||||
self.ciphers.extend(CipherSuite.dheDssSuites)
|
||||
self.ciphers.extend(CipherSuite.certSuites)
|
||||
|
||||
ext = self.extensions = []
|
||||
ext.append(SNIExtension())
|
||||
ext.append(TLSExtension(extType=ExtensionType.renegotiation_info)
|
||||
.create(bytearray(1)))
|
||||
groups =[GroupName.secp256r1,
|
||||
GroupName.secp384r1,
|
||||
GroupName.secp521r1,
|
||||
GroupName.ecdh_x25519,
|
||||
GroupName.ecdh_x448]
|
||||
groups.extend(GroupName.allFF)
|
||||
ext.append(SupportedGroupsExtension().create(groups))
|
||||
formats = [ECPointFormat.uncompressed,
|
||||
ECPointFormat.ansiX962_compressed_prime,
|
||||
ECPointFormat.ansiX962_compressed_char2]
|
||||
ext.append(ECPointFormatsExtension().create(formats))
|
||||
ext.append(TLSExtension(extType=ExtensionType.session_ticket))
|
||||
ext.append(TLSExtension(extType=ExtensionType.max_fragment_legth)
|
||||
.create(bytearray(b'\x04')))
|
||||
ext.append(NPNExtension())
|
||||
ext.append(TLSExtension(extType=ExtensionType.alpn)
|
||||
.create(bytearray(b'\x00\x15' +
|
||||
b'\x02' + b'h2' +
|
||||
b'\x08' + b'spdy/3.1' +
|
||||
b'\x08' + b'http/1.1')))
|
||||
ext.append(TLSExtension(extType=ExtensionType.status_request)
|
||||
.create(bytearray(b'\x01' +
|
||||
b'\x00\x00' +
|
||||
b'\x00\x00')))
|
||||
ext.append(TLSExtension(extType=ExtensionType.status_request_v2)
|
||||
.create(bytearray(b'\x00\x07' + # overall length
|
||||
b'\x02' + # status type
|
||||
b'\x00\x04' + # request field length
|
||||
b'\x00\x00' + # responder id list
|
||||
b'\x00\x00'))) # request extensions
|
||||
sig_algs = []
|
||||
# some not yet standardised algorithms:
|
||||
for s_alg in [4, 5, 6, 7]:
|
||||
for alg in ['sha256', 'sha384', 'sha512']:
|
||||
sig_algs.append((getattr(HashAlgorithm, alg),
|
||||
s_alg))
|
||||
# some not yet standardised hashes:
|
||||
for s_alg in [SignatureAlgorithm.rsa, SignatureAlgorithm.ecdsa]:
|
||||
for alg in [7, 8, 9, 10, 11]:
|
||||
sig_algs.append((alg, s_alg))
|
||||
for alg in ['sha256', 'sha384', 'sha512', 'sha224', 'sha1', 'md5']:
|
||||
sig_algs.append((getattr(HashAlgorithm, alg),
|
||||
SignatureAlgorithm.rsa))
|
||||
for alg in ['sha256', 'sha384', 'sha512', 'sha224', 'sha1']:
|
||||
sig_algs.append((getattr(HashAlgorithm, alg),
|
||||
SignatureAlgorithm.ecdsa))
|
||||
for alg in ['sha256', 'sha384', 'sha512', 'sha224', 'sha1', 'md5']:
|
||||
sig_algs.append((getattr(HashAlgorithm, alg),
|
||||
SignatureAlgorithm.dsa))
|
||||
ext.append(SignatureAlgorithmsExtension()
|
||||
.create(sig_algs))
|
||||
ext.append(KeyShareExtension()
|
||||
.create([(GroupName.secp384r1, _ec_key_share('secp384r1')),
|
||||
(GroupName.secp256r1, _ec_key_share('secp256r1')),
|
||||
(GroupName.secp521r1, _ec_key_share('secp521r1')),
|
||||
(GroupName.ffdhe8192, _ff_key_share('ffdhe8192'))]))
|
||||
ext.append(TLSExtension(extType=ExtensionType.heartbeat)
|
||||
.create(bytearray(b'\x01'))) # peer allowed to send
|
||||
ext.append(PaddingExtension().create(512))
|
||||
ext.append(TLSExtension(extType=ExtensionType.encrypt_then_mac))
|
||||
# place an empty extension to trigger intolerancies in specific servers
|
||||
ext.append(TLSExtension(extType=ExtensionType.extended_master_secret))
|
||||
|
||||
# interesting ones are 0, 1
|
||||
self.compression_methods = list(range(0, 80))
|
||||
|
||||
|
||||
class HugeCipherList(HelloConfig):
|
||||
"""Client Hello with list of ciphers that doesn't fit a single record"""
|
||||
|
||||
def __init__(self):
|
||||
super(HugeCipherList, self).__init__()
|
||||
self._name = "Huge Cipher List"
|
||||
self.record_version = (3, 1)
|
||||
self.version = (3, 3)
|
||||
self.ciphers = []
|
||||
self.ciphers.extend(CipherSuite.ecdheEcdsaSuites)
|
||||
self.ciphers.extend(CipherSuite.ecdheCertSuites)
|
||||
self.ciphers.extend(CipherSuite.dheCertSuites)
|
||||
self.ciphers.extend(CipherSuite.dheDssSuites)
|
||||
self.ciphers.extend(CipherSuite.certSuites)
|
||||
self.ciphers.extend(range(0x2000, 0x2000+8192))
|
||||
|
||||
|
||||
class VeryCompatible(HelloConfig):
|
||||
"""
|
||||
Cipher compatible client hello with minimal intolerancies
|
||||
|
||||
Create a Client Hello that can connect to as many servers as possible
|
||||
without triggering intolerancies (with the exception of TLS extension
|
||||
intolerance)
|
||||
"""
|
||||
def __init__(self):
|
||||
super(VeryCompatible, self).__init__()
|
||||
self._name = "Very Compatible"
|
||||
self.version = (3, 3)
|
||||
self.record_version = (3, 1)
|
||||
self.ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
|
||||
CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
|
||||
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
|
||||
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
|
||||
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA256,
|
||||
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256,
|
||||
CipherSuite.TLS_RSA_WITH_AES_128_GCM_SHA256,
|
||||
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_RC4_128_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_RC4_128_MD5,
|
||||
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
||||
|
||||
ext = self.extensions = []
|
||||
ext.append(SNIExtension())
|
||||
ext.append(SupportedGroupsExtension().create([GroupName.secp256r1,
|
||||
GroupName.secp384r1,
|
||||
GroupName.secp521r1]))
|
||||
ext.append(ECPointFormatsExtension().create([ECPointFormat.uncompressed]))
|
||||
ext.append(TLSExtension(extType=ExtensionType.session_ticket))
|
||||
ext.append(NPNExtension())
|
||||
ext.append(TLSExtension(extType=ExtensionType.alpn)
|
||||
.create(bytearray(b'\x00\x15' +
|
||||
b'\x02' + b'h2' +
|
||||
b'\x08' + b'spdy/3.1' +
|
||||
b'\x08' + b'http/1.1')))
|
||||
ext.append(TLSExtension(extType=ExtensionType.status_request)
|
||||
.create(bytearray(b'\x01' +
|
||||
b'\x00\x00' +
|
||||
b'\x00\x00')))
|
||||
sig_algs = []
|
||||
for alg in ['sha256', 'sha384', 'sha512', 'sha1']:
|
||||
sig_algs.append((getattr(HashAlgorithm, alg),
|
||||
SignatureAlgorithm.rsa))
|
||||
for alg in ['sha256', 'sha384', 'sha512', 'sha1']:
|
||||
sig_algs.append((getattr(HashAlgorithm, alg),
|
||||
SignatureAlgorithm.ecdsa))
|
||||
for alg in ['sha256', 'sha1']:
|
||||
sig_algs.append((getattr(HashAlgorithm, alg),
|
||||
SignatureAlgorithm.dsa))
|
||||
ext.append(SignatureAlgorithmsExtension()
|
||||
.create(sig_algs))
|
||||
|
||||
|
||||
class IE_6(HelloConfig):
|
||||
"""Create a Internet Explorer 6-like Client Hello message"""
|
||||
|
||||
def __init__(self):
|
||||
super(IE_6, self).__init__()
|
||||
self._name = "IE 6"
|
||||
self.version = (3, 0)
|
||||
self.record_version = (0, 2)
|
||||
self.ciphers = []
|
||||
self.ciphers.extend([CipherSuite.TLS_RSA_WITH_RC4_128_MD5,
|
||||
CipherSuite.TLS_RSA_WITH_RC4_128_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
|
||||
CipherSuite.SSL_CK_RC4_128_WITH_MD5,
|
||||
CipherSuite.SSL_CK_DES_192_EDE3_CBC_WITH_MD5,
|
||||
CipherSuite.SSL_CK_RC2_128_CBC_WITH_MD5,
|
||||
CipherSuite.TLS_RSA_WITH_DES_CBC_SHA,
|
||||
CipherSuite.SSL_CK_DES_64_CBC_WITH_MD5,
|
||||
CipherSuite.TLS_RSA_EXPORT1024_WITH_RC4_56_SHA,
|
||||
CipherSuite.TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_EXPORT_WITH_RC4_40_MD5,
|
||||
CipherSuite.TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5,
|
||||
CipherSuite.SSL_CK_RC4_128_EXPORT40_WITH_MD5,
|
||||
CipherSuite.SSL_CK_RC2_128_CBC_EXPORT40_WITH_MD5,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_DES_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA])
|
||||
self.ssl2=True
|
||||
|
||||
|
||||
class IE_8_Win_XP(HelloConfig):
|
||||
"""Create a Internet Explorer 8 on WinXP-like Client Hello message"""
|
||||
|
||||
def __init__(self):
|
||||
super(IE_8_Win_XP, self).__init__()
|
||||
self._name = "IE 8 on Win XP"
|
||||
self.version = (3, 1)
|
||||
self.record_version = (3, 0)
|
||||
self.ciphers = []
|
||||
self.ciphers.extend([CipherSuite.TLS_RSA_WITH_RC4_128_MD5,
|
||||
CipherSuite.TLS_RSA_WITH_RC4_128_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_DES_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_EXPORT1024_WITH_RC4_56_SHA,
|
||||
CipherSuite.TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_EXPORT_WITH_RC4_40_MD5,
|
||||
CipherSuite.TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_DES_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA])
|
||||
|
||||
|
||||
class IE_11_Win_7(HelloConfig):
|
||||
"""Create an Internet Explorer 11 on Win7-like Client Hello message"""
|
||||
|
||||
def __init__(self):
|
||||
super(IE_11_Win_7, self).__init__()
|
||||
self._name = "IE 11 on Win 7"
|
||||
self.version = (3, 3)
|
||||
self.record_version = (3, 1)
|
||||
self.ciphers = []
|
||||
self.ciphers.extend([CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256,
|
||||
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA256,
|
||||
CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_RC4_128_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
|
||||
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
|
||||
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA256,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA256,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_RC4_128_MD5])
|
||||
|
||||
ext = self.extensions = []
|
||||
ext.append(SNIExtension())
|
||||
ext.append(TLSExtension(extType=ExtensionType.renegotiation_info)
|
||||
.create(bytearray(1)))
|
||||
groups = [GroupName.secp256r1,
|
||||
GroupName.secp384r1]
|
||||
ext.append(SupportedGroupsExtension().create(groups))
|
||||
ext.append(TLSExtension(extType=ExtensionType.status_request)
|
||||
.create(bytearray(b'\x01' +
|
||||
b'\x00\x00' +
|
||||
b'\x00\x00')))
|
||||
sig_algs = []
|
||||
for s_alg in ['rsa', 'ecdsa']:
|
||||
for h_alg in ['sha256', 'sha384', 'sha1']:
|
||||
sig_algs.append((getattr(HashAlgorithm, h_alg),
|
||||
getattr(SignatureAlgorithm, s_alg)))
|
||||
sig_algs.append((HashAlgorithm.sha1, SignatureAlgorithm.dsa))
|
||||
ext.append(SignatureAlgorithmsExtension().create(sig_algs))
|
||||
|
||||
|
||||
class IE_11_Win_8_1(HelloConfig):
|
||||
"""Create an Internet Explorer 11 on Win8.1-like Client Hello message"""
|
||||
|
||||
def __init__(self):
|
||||
super(IE_11_Win_8_1, self).__init__()
|
||||
self._name = "IE 11 on Win 8.1"
|
||||
self.version = (3, 3)
|
||||
self.record_version = (3, 1)
|
||||
self.ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256,
|
||||
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA256,
|
||||
CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
|
||||
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
|
||||
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA256,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA256,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA,
|
||||
CipherSuite.TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA]
|
||||
|
||||
ext = self.extensions = []
|
||||
ext.append(SNIExtension())
|
||||
ext.append(TLSExtension(extType=ExtensionType.renegotiation_info)
|
||||
.create(bytearray(1)))
|
||||
groups = [GroupName.secp256r1,
|
||||
GroupName.secp384r1]
|
||||
ext.append(SupportedGroupsExtension().create(groups))
|
||||
ext.append(TLSExtension(extType=ExtensionType.session_ticket))
|
||||
ext.append(TLSExtension(extType=ExtensionType.status_request)
|
||||
.create(bytearray(b'\x01' +
|
||||
b'\x00\x00' +
|
||||
b'\x00\x00')))
|
||||
sig_algs = []
|
||||
for s_alg in ['rsa', 'ecdsa']:
|
||||
for h_alg in ['sha256', 'sha384', 'sha1']:
|
||||
sig_algs.append((getattr(HashAlgorithm, h_alg),
|
||||
getattr(SignatureAlgorithm, s_alg)))
|
||||
sig_algs.append((HashAlgorithm.sha1, SignatureAlgorithm.dsa))
|
||||
ext.append(SignatureAlgorithmsExtension().create(sig_algs))
|
||||
ext.append(NPNExtension())
|
||||
ext.append(TLSExtension(extType=ExtensionType.alpn)
|
||||
.create(bytearray(b'\x00\x10' +
|
||||
b'\x06' + b'spdy/3' +
|
||||
b'\x08' + b'http/1.1')))
|
||||
|
||||
@ -3,11 +3,13 @@
|
||||
|
||||
"""Extra TLS extensions."""
|
||||
|
||||
import binascii
|
||||
|
||||
import tlslite.extensions
|
||||
from tlslite.utils.codec import Writer
|
||||
from tlslite.utils.compat import b2a_hex
|
||||
from .constants import ExtensionType, GroupName
|
||||
import .messages
|
||||
from . import messages
|
||||
|
||||
# make TLSExtensions hashable (__eq__ is already defined in base class)
|
||||
tlslite.extensions.TLSExtension.__hash__ = lambda self: hash(self.extType) ^ \
|
||||
|
||||
@ -1,9 +1,21 @@
|
||||
# Copyright (c) 2016 Hubert Kario
|
||||
# Released under Mozilla Public License 2.0
|
||||
|
||||
"""Methods for modifying the scan configurations on the fly."""
|
||||
|
||||
from __future__ import print_function
|
||||
from tlslite.constants import CipherSuite
|
||||
from tlslite.extensions import SNIExtension, PaddingExtension, TLSExtension
|
||||
import itertools
|
||||
|
||||
|
||||
def no_sni(generator):
|
||||
if not generator.extensions:
|
||||
return generator
|
||||
generator.extensions[:] = (x for x in generator.extensions
|
||||
if not isinstance(x, SNIExtension))
|
||||
generator.modifications.append("no SNI")
|
||||
return generator
|
||||
|
||||
|
||||
proto_versions = {(3, 0): "SSLv3",
|
||||
(3, 1): "TLSv1.0",
|
||||
@ -27,3 +39,109 @@ def set_hello_version(generator, version):
|
||||
generator.version = version
|
||||
generator.modifications += [version_to_str(version)]
|
||||
return generator
|
||||
|
||||
|
||||
def set_record_version(generator, version):
|
||||
"""Set record version, un-SSLv2-ify"""
|
||||
|
||||
generator.record_version = version
|
||||
generator.ciphers[:] = (i for i in generator.ciphers if i <= 0xffff)
|
||||
generator.ssl2 = False
|
||||
generator.modifications += ["r/{0}".format(version_to_str(version))]
|
||||
return generator
|
||||
|
||||
|
||||
def no_extensions(generator):
|
||||
"""Remove extensions"""
|
||||
|
||||
generator.extensions = None
|
||||
generator.modifications += ["no ext"]
|
||||
return generator
|
||||
|
||||
|
||||
def divceil(divident, divisor):
|
||||
quot, r = divmod(divident, divisor)
|
||||
return quot + int(bool(r))
|
||||
|
||||
|
||||
def truncate_ciphers_to_size(generator, size):
|
||||
"""Truncate list of ciphers until client hello is no bigger than size"""
|
||||
|
||||
def cb_fun(client_hello, size=size):
|
||||
hello_len = len(client_hello.write())
|
||||
bytes_to_remove = hello_len - size
|
||||
if bytes_to_remove > 0:
|
||||
ciphers_to_remove = divceil(bytes_to_remove, 2)
|
||||
client_hello.cipher_suites[:] = \
|
||||
client_hello.cipher_suites[:-ciphers_to_remove]
|
||||
return client_hello
|
||||
|
||||
generator.callbacks.append(cb_fun)
|
||||
generator.modifications += ["trunc c/{0}".format(size)]
|
||||
return generator
|
||||
|
||||
|
||||
def append_ciphers_to_size(generator, size):
|
||||
"""
|
||||
Add ciphers from the 0x2000-0xa000 range until size is reached
|
||||
|
||||
Increases the size of the Client Hello message until it is at least
|
||||
`size` bytes long. Uses cipher ID's from the 0x2000-0xc000 range to do
|
||||
it (0x5600, a.k.a TLS_FALLBACK_SCSV, excluded)
|
||||
"""
|
||||
|
||||
def cb_fun(client_hello, size=size):
|
||||
ciphers_iter = iter(range(0x2000, 0xc000))
|
||||
ciphers_present = set(client_hello.cipher_suites)
|
||||
# we don't want to add a cipher id with special meaning
|
||||
# and the set is used only internally
|
||||
ciphers_present.add(CipherSuite.TLS_FALLBACK_SCSV)
|
||||
|
||||
bytes_to_add = size - len(client_hello.write())
|
||||
if bytes_to_add > 0:
|
||||
ciphers_to_add = divceil(bytes_to_add, 2)
|
||||
ciphers_gen = (x for x in ciphers_iter
|
||||
if x not in ciphers_present)
|
||||
client_hello.cipher_suites.extend(itertools.islice(ciphers_gen,
|
||||
ciphers_to_add))
|
||||
return client_hello
|
||||
generator.callbacks.append(cb_fun)
|
||||
generator.modifications += ["append c/{0}".format(size)]
|
||||
return generator
|
||||
|
||||
|
||||
def extend_with_ext_to_size(generator, size):
|
||||
"""
|
||||
Add the padding extension so that the Hello is at least `size` bytes
|
||||
|
||||
Either adds a padding extension or extends an existing one so that
|
||||
the specified size is reached
|
||||
"""
|
||||
|
||||
def cb_fun(client_hello, size=size):
|
||||
if len(client_hello.write()) > size:
|
||||
return client_hello
|
||||
if not client_hello.extensions:
|
||||
client_hello.extensions = []
|
||||
ext = next((x for x in client_hello.extensions
|
||||
if isinstance(x, PaddingExtension)), None)
|
||||
if not ext:
|
||||
ext = PaddingExtension()
|
||||
client_hello.extensions.append(ext)
|
||||
# check if just adding the extension, with no payload, haven't pushed
|
||||
# us over the limit
|
||||
bytes_to_add = size - len(client_hello.write())
|
||||
if bytes_to_add > 0:
|
||||
ext.paddingData += bytearray(bytes_to_add)
|
||||
return client_hello
|
||||
generator.callbacks.append(cb_fun)
|
||||
generator.modifications += ["append e/{0}".format(size)]
|
||||
return generator
|
||||
|
||||
def add_empty_ext(generator, ext_type):
|
||||
if generator.extensions is None:
|
||||
generator.extensions = []
|
||||
generator.extensions += [TLSExtension(extType=ext_type)
|
||||
.create(bytearray(0))]
|
||||
generator.modifications += ["add ext {0}".format(ext_type)]
|
||||
return generator
|
||||
|
||||
@ -10,7 +10,7 @@ from tlslite.messages import ClientHello
|
||||
from tlslite.extensions import SNIExtension, SupportedGroupsExtension, \
|
||||
ECPointFormatsExtension, NPNExtension, SignatureAlgorithmsExtension
|
||||
from tlslite.utils.codec import Parser
|
||||
from cscan.config import Firefox_42
|
||||
from cscan.config import Firefox_42, Xmas_tree, Firefox_46
|
||||
from cscan.extensions import RenegotiationExtension
|
||||
from cscan.constants import ExtensionType
|
||||
|
||||
@ -45,6 +45,54 @@ class TestFirefox(unittest.TestCase):
|
||||
SignatureAlgorithmsExtension)
|
||||
self.assertEqual(ch.compression_methods, [0])
|
||||
|
||||
def test_firefox_46(self):
|
||||
gen = Firefox_46()
|
||||
ch = gen(bytearray(b'example.com'))
|
||||
|
||||
self.assertIsNotNone(ch)
|
||||
self.assertIsInstance(ch, ClientHello)
|
||||
self.assertEqual(len(ch.write()), 180)
|
||||
self.assertEqual(ch.client_version, (3, 3))
|
||||
self.assertEqual(gen.record_version, (3, 1))
|
||||
self.assertEqual(len(ch.cipher_suites), 11)
|
||||
self.assertIsInstance(ch.extensions[0], SNIExtension)
|
||||
self.assertEqual(ch.extensions[1].extType,
|
||||
ExtensionType.extended_master_secret)
|
||||
self.assertEqual(ch.extensions[2].extType,
|
||||
ExtensionType.renegotiation_info)
|
||||
self.assertIsInstance(ch.extensions[3],
|
||||
SupportedGroupsExtension)
|
||||
self.assertIsInstance(ch.extensions[4],
|
||||
ECPointFormatsExtension)
|
||||
self.assertEqual(ch.extensions[5].extType,
|
||||
ExtensionType.session_ticket)
|
||||
# bug in tlslite-ng, removes NPN extensions from provided extensions
|
||||
#self.assertIsInstance(ch.extensions[6],
|
||||
# NPNExtension)
|
||||
self.assertEqual(ch.extensions[6].extType,
|
||||
ExtensionType.alpn)
|
||||
self.assertEqual(ch.extensions[7].extType,
|
||||
ExtensionType.status_request)
|
||||
self.assertIsInstance(ch.extensions[8],
|
||||
SignatureAlgorithmsExtension)
|
||||
self.assertEqual(ch.compression_methods, [0])
|
||||
|
||||
class TestXmasTree(unittest.TestCase):
|
||||
def test_xmas_tree_tls_1_3(self):
|
||||
ch = Xmas_tree()(bytearray(b'example.com'))
|
||||
|
||||
self.assertIsNotNone(ch)
|
||||
self.assertIsInstance(ch, ClientHello)
|
||||
self.assertEqual(len(ch.write()), 2792)
|
||||
|
||||
def test_xmas_tree_tls_1_3_parse(self):
|
||||
ch = Xmas_tree()(bytearray(b'example.com'))
|
||||
|
||||
parser = Parser(ch.write()[1:])
|
||||
|
||||
client_hello = ClientHello()
|
||||
client_hello.parse(parser)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
unittest.main()
|
||||
|
||||
45
cscan_tests/test_modifiers.py
Normal file
45
cscan_tests/test_modifiers.py
Normal file
@ -0,0 +1,45 @@
|
||||
# Copyright (c) 2015 Hubert Kario
|
||||
# Released under Mozilla Public License Version 2.0
|
||||
|
||||
try:
|
||||
import unittest2 as unittest
|
||||
except ImportError:
|
||||
import unittest
|
||||
|
||||
from cscan.config import HugeCipherList, Firefox_42
|
||||
from cscan.modifiers import truncate_ciphers_to_size, append_ciphers_to_size, \
|
||||
extend_with_ext_to_size
|
||||
|
||||
class TestTruncateCiphersToSize(unittest.TestCase):
|
||||
def test_with_big_hello(self):
|
||||
gen = HugeCipherList()
|
||||
|
||||
self.assertGreater(len(gen(b'localhost').write()), 2**14)
|
||||
self.assertEqual(gen(b'localhost').cipher_suites[0], 49196)
|
||||
|
||||
gen = truncate_ciphers_to_size(gen, 2**12)
|
||||
|
||||
self.assertEqual(len(gen(b'localhost').write()), 2**12-1)
|
||||
self.assertEqual(gen(b'localhost').cipher_suites[0], 49196)
|
||||
|
||||
class TestAppendCiphersToSize(unittest.TestCase):
|
||||
def test_with_small_hello(self):
|
||||
gen = Firefox_42()
|
||||
|
||||
self.assertLess(len(gen(b'localhost').write()), 2**10)
|
||||
self.assertEqual(gen(b'localhost').cipher_suites[0], 49195)
|
||||
|
||||
gen = append_ciphers_to_size(gen, 2**12)
|
||||
|
||||
self.assertEqual(len(gen(b'localhost').write()), 2**12)
|
||||
self.assertEqual(gen(b'localhost').cipher_suites[0], 49195)
|
||||
|
||||
class TestExtendWithExtToSize(unittest.TestCase):
|
||||
def test_with_small_hello(self):
|
||||
gen = Firefox_42()
|
||||
|
||||
self.assertLess(len(gen(b'localhost').write()), 2**10)
|
||||
|
||||
gen = extend_with_ext_to_size(gen, 2**12)
|
||||
|
||||
self.assertEqual(len(gen(b'localhost').write()), 2**12)
|
||||
Loading…
Reference in New Issue
Block a user