From 4bc286d6c2b9e0f61f936b7696e42398667e0bd8 Mon Sep 17 00:00:00 2001 From: blank Date: Thu, 15 Dec 2022 22:13:57 +0800 Subject: [PATCH] =?UTF-8?q?=E7=AC=AC=E4=B8=80=E6=AC=A1=E6=8F=90=E4=BA=A4?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Kerberos/.gitignore | 160 ++++++ Kerberos/LICENSE | 674 ++++++++++++++++++++++++ Kerberos/README.md | 54 ++ Kerberos/conf/__init__.py | 0 Kerberos/conf/config.py | 12 + Kerberos/console/migrate.py | 24 + Kerberos/docs/master.png | Bin 0 -> 37368 bytes Kerberos/kerberos/ClientA.py | 200 +++++++ Kerberos/kerberos/KDC.py | 233 ++++++++ Kerberos/kerberos/ServerB.py | 96 ++++ Kerberos/kerberos/register/RegClient.py | 40 ++ Kerberos/kerberos/register/RegServer.py | 53 ++ Kerberos/lib/__init__.py | 0 Kerberos/lib/common.py | 70 +++ Kerberos/lib/db.py | 99 ++++ Kerberos/lib/gmssl/__init__.py | 0 Kerberos/lib/gmssl/func.py | 19 + Kerberos/lib/gmssl/sm2.py | 250 +++++++++ Kerberos/lib/gmssl/sm3.py | 152 ++++++ Kerberos/lib/gmssl/sm4.py | 189 +++++++ Kerberos/lib/ksocket.py | 48 ++ Kerberos/lib/pbkdf2.py | 45 ++ Kerberos/requirements.txt | Bin 0 -> 34 bytes Kerberos/tests/test_cl_pkc.py | 15 + Kerberos/tests/test_sm2.py | 30 ++ Kerberos/tests/test_sm3.py | 5 + Kerberos/tests/test_sm4.py | 27 + 27 files changed, 2495 insertions(+) create mode 100644 Kerberos/.gitignore create mode 100644 Kerberos/LICENSE create mode 100644 Kerberos/README.md create mode 100644 Kerberos/conf/__init__.py create mode 100644 Kerberos/conf/config.py create mode 100644 Kerberos/console/migrate.py create mode 100644 Kerberos/docs/master.png create mode 100644 Kerberos/kerberos/ClientA.py create mode 100644 Kerberos/kerberos/KDC.py create mode 100644 Kerberos/kerberos/ServerB.py create mode 100644 Kerberos/kerberos/register/RegClient.py create mode 100644 Kerberos/kerberos/register/RegServer.py create mode 100644 Kerberos/lib/__init__.py create mode 100644 Kerberos/lib/common.py create mode 100644 Kerberos/lib/db.py create mode 100644 Kerberos/lib/gmssl/__init__.py create mode 100644 Kerberos/lib/gmssl/func.py create mode 100644 Kerberos/lib/gmssl/sm2.py create mode 100644 Kerberos/lib/gmssl/sm3.py create mode 100644 Kerberos/lib/gmssl/sm4.py create mode 100644 Kerberos/lib/ksocket.py create mode 100644 Kerberos/lib/pbkdf2.py create mode 100644 Kerberos/requirements.txt create mode 100644 Kerberos/tests/test_cl_pkc.py create mode 100644 Kerberos/tests/test_sm2.py create mode 100644 Kerberos/tests/test_sm3.py create mode 100644 Kerberos/tests/test_sm4.py diff --git a/Kerberos/.gitignore b/Kerberos/.gitignore new file mode 100644 index 0000000..668300a --- /dev/null +++ b/Kerberos/.gitignore @@ -0,0 +1,160 @@ +# Byte-compiled / optimized / DLL files +__pycache__/ +*.py[cod] +*$py.class + +# C extensions +*.so + +# Distribution / packaging +.Python +build/ +develop-eggs/ +dist/ +downloads/ +eggs/ +.eggs/ +# lib/ +lib64/ +parts/ +sdist/ +var/ +wheels/ +share/python-wheels/ +*.egg-info/ +.installed.cfg +*.egg +MANIFEST + +# PyInstaller +# Usually these files are written by a python script from a template +# before PyInstaller builds the exe, so as to inject date/other infos into it. +*.manifest +*.spec + +# Installer logs +pip-log.txt +pip-delete-this-directory.txt + +# Unit test / coverage reports +htmlcov/ +.tox/ +.nox/ +.coverage +.coverage.* +.cache +nosetests.xml +coverage.xml +*.cover +*.py,cover +.hypothesis/ +.pytest_cache/ +cover/ + +# Translations +*.mo +*.pot + +# Django stuff: +*.log +local_settings.py +db.sqlite3 +db.sqlite3-journal + +# Flask stuff: +instance/ +.webassets-cache + +# Scrapy stuff: +.scrapy + +# Sphinx documentation +docs/_build/ + +# PyBuilder +.pybuilder/ +target/ + +# Jupyter Notebook +.ipynb_checkpoints + +# IPython +profile_default/ +ipython_config.py + +# pyenv +# For a library or package, you might want to ignore these files since the code is +# intended to run in multiple environments; 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/Kerberos/README.md b/Kerberos/README.md new file mode 100644 index 0000000..d00ac69 --- /dev/null +++ b/Kerberos/README.md @@ -0,0 +1,54 @@ +## Kerberos +基于 SM 国密算法改进的 Kerberos 身份认证系统。 + +系统依赖SM算法：[duanhongyi/gmssl](https://github.com/duanhongyi/gmssl) + +### 系统架构图 + +![master](docs/master.png) + +**其中：** + +1. AS_REQ = { timestamp } Kclt, UserA, nonce, iv + +2. Challenge = challenge_msg + +3. Response = { response_msg } hash + +4. TGT = { UserA, Kclt-kdc } Kkdc + + AS_REP = TGT, { Kclt-kdc, timestamp, nonce } Kclt, iv + +5. TGS_REQ = TGT, { UserA, timestamp } Kclt-kdc, ResourceB + +6. Ticket = { UserA, Kclt-srv } Ksrv + + TGS_REP = { Kclt-srv } Kclt-kdc, Ticket + +7. CS_REQ = { UserA, timestamp, nonce } Kclt-srv, Ticket, pub_key_a + +8. CS_REP = { timestamp, nonce } Kclt-srv, pub_key_b + +### 快速开始 + +1. 创建数据库： + + ```mysql + CREATE DATABASE IF NOT EXISTS kerberos DEFAULT CHARACTER SET utf8; + ``` + +2. 在 `conf/config.py` 下完成 MySQL 配置； + +3. 运行 `console/migrate.py` 构建数据表； + +4. 运行 `kerberos/register/RegServer.py` 和 `kerberos/register/RegClient.py` 完成认证双方的注册； + +5. 依次启动 `kerberos/KDC.py`、`kerberos/ServerB.py`、`kerberos/ClientA.py` 模拟完整的身份认证过程。 + +### 端口服务 + +系统共包含 3 个服务： + +- KDC 默认占用 9000 端口 +- ServerB 默认占用 9001 端口 +- RegServer 默认占用 9002 端口 diff --git a/Kerberos/conf/__init__.py b/Kerberos/conf/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/Kerberos/conf/config.py b/Kerberos/conf/config.py new file mode 100644 index 0000000..8134365 --- /dev/null +++ b/Kerberos/conf/config.py @@ -0,0 +1,12 @@ +# MySQL +DB_HOST = '127.0.0.1' +DB_PORT = 3306 +DB_USER = 'root' +DB_PASSWD = 'root' +DB_NAME = 'kerberos' + +# System Separator +SIGN = b'adm10' + +# KDC password +MAIN_PWD = 'kad8cm1p0ins0s3w1o9r2d'.encode() diff --git a/Kerberos/console/migrate.py b/Kerberos/console/migrate.py new file mode 100644 index 0000000..34a13ee --- /dev/null +++ b/Kerberos/console/migrate.py @@ -0,0 +1,24 @@ +from lib.db import KDCdb + + +def create_table_user(): + sql = """CREATE TABLE kdc_user ( + id INT auto_increment PRIMARY KEY, + u_name VARCHAR(20) NOT NULL UNIQUE, + pwd VARCHAR(40) NOT NULL)""" + + return KDCdb().create_table(sql) + + +def create_table_login(): + sql = """CREATE TABLE kdc_login ( + id INT auto_increment PRIMARY KEY, + u_name VARCHAR(20) NOT NULL, + last_time VARCHAR(40) NOT NULL)""" + + return KDCdb().create_table(sql) + + +if __name__ == '__main__': + if create_table_user() and create_table_login(): + print('[+] Create table success') diff --git a/Kerberos/docs/master.png b/Kerberos/docs/master.png new file mode 100644 index 0000000000000000000000000000000000000000..b9939a219d024084cc45435c14dc35ebf54431b9 GIT binary patch literal 37368 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<< 16) | (key_data[2] << 8) | (key_data[3])) + +put_uint32_be = lambda n: [((n >> 24) & 0xff), ((n >> 16) & 0xff), ((n >> 8) & 0xff), ((n) & 0xff)] + +padding = lambda data, block=16: data + [(16 - len(data) % block) for _ in range(16 - len(data) % block)] + +unpadding = lambda data: data[:-data[-1]] + +list_to_bytes = lambda data: b''.join([bytes((i,)) for i in data]) + +bytes_to_list = lambda data: [i for i in data] + +random_hex = lambda x: ''.join([choice('0123456789abcdef') for _ in range(x)]) diff --git a/Kerberos/lib/gmssl/sm2.py b/Kerberos/lib/gmssl/sm2.py new file mode 100644 index 0000000..5ed1a8c --- /dev/null +++ b/Kerberos/lib/gmssl/sm2.py @@ -0,0 +1,250 @@ +from random import choice + +from lib.gmssl import sm3 +from lib.gmssl.func import random_hex +from lib.pbkdf2 import re_gen_key + +# 选择素域，设置椭圆曲线参数 + +default_ecc_table = { + 'n': 'FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFF7203DF6B21C6052B53BBF40939D54123', + 'p': 'FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFF', + 'g': '32c4ae2c1f1981195f9904466a39c9948fe30bbff2660be1715a4589334c74c7bc3736a2f4f6779c59bdcee36b692153d0a9877cc62a474002df32e52139f0a0', + 'a': 'FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFC', + 'b': '28E9FA9E9D9F5E344D5A9E4BCF6509A7F39789F515AB8F92DDBCBD414D940E93', +} + + +class CryptSM2(object): + + def __init__(self, private_key, public_key, ecc_table=None): + if ecc_table is None: + ecc_table = default_ecc_table + self.private_key = private_key + self.public_key = public_key + self.para_len = len(ecc_table['n']) + self.ecc_a3 = (int(ecc_table['a'], base=16) + 3) % int(ecc_table['p'], base=16) + self.ecc_table = ecc_table + self.gen_d = '' + self.gen_pa = '' + + def get_random_d(self, strlen=64): + letterlist = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'] + str = '' + for i in range(strlen): + a = choice(letterlist) + str = '%s%s' % (str, a) + self.gen_d = str + return re_gen_key(self.gen_d, 16) + + def get_pa(self, d): + self.gen_pa = self._kg(int(d, 16), self.ecc_table['g']) + return self.gen_pa + + def _kg(self, k, Point): # kP运算 + Point = '%s%s' % (Point, '1') + mask_str = '8' + for i in range(self.para_len - 1): + mask_str += '0' + mask = int(mask_str, 16) + Temp = Point + flag = False + for n in range(self.para_len * 4): + if (flag): + Temp = self._double_point(Temp) + if (k & mask) != 0: + if (flag): + Temp = self._add_point(Temp, Point) + else: + flag = True + Temp = Point + k = k << 1 + return self._convert_jacb_to_nor(Temp) + + def _double_point(self, Point): # 倍点 + l = len(Point) + len_2 = 2 * self.para_len + if l < self.para_len * 2: + return None + else: + x1 = int(Point[0:self.para_len], 16) + y1 = int(Point[self.para_len:len_2], 16) + if l == len_2: + z1 = 1 + else: + z1 = int(Point[len_2:], 16) + + T6 = (z1 * z1) % int(self.ecc_table['p'], base=16) + T2 = (y1 * y1) % int(self.ecc_table['p'], base=16) + T3 = (x1 + T6) % int(self.ecc_table['p'], base=16) + T4 = (x1 - T6) % int(self.ecc_table['p'], base=16) + T1 = (T3 * T4) % int(self.ecc_table['p'], base=16) + T3 = (y1 * z1) % int(self.ecc_table['p'], base=16) + T4 = (T2 * 8) % int(self.ecc_table['p'], base=16) + T5 = (x1 * T4) % int(self.ecc_table['p'], base=16) + T1 = (T1 * 3) % int(self.ecc_table['p'], base=16) + T6 = (T6 * T6) % int(self.ecc_table['p'], base=16) + T6 = (self.ecc_a3 * T6) % int(self.ecc_table['p'], base=16) + T1 = (T1 + T6) % int(self.ecc_table['p'], base=16) + z3 = (T3 + T3) % int(self.ecc_table['p'], base=16) + T3 = (T1 * T1) % int(self.ecc_table['p'], base=16) + T2 = (T2 * T4) % int(self.ecc_table['p'], base=16) + x3 = (T3 - T5) % int(self.ecc_table['p'], base=16) + + if (T5 % 2) == 1: + T4 = (T5 + ((T5 + int(self.ecc_table['p'], base=16)) >> 1) - T3) % int(self.ecc_table['p'], base=16) + else: + T4 = (T5 + (T5 >> 1) - T3) % int(self.ecc_table['p'], base=16) + + T1 = (T1 * T4) % int(self.ecc_table['p'], base=16) + y3 = (T1 - T2) % int(self.ecc_table['p'], base=16) + + form = '%%0%dx' % self.para_len + form = form * 3 + return form % (x3, y3, z3) + + def _add_point(self, P1, P2): # 点加函数，P2点为仿射坐标即z=1，P1为Jacobian加重射影坐标 + len_2 = 2 * self.para_len + l1 = len(P1) + l2 = len(P2) + if (l1 < len_2) or (l2 < len_2): + return None + else: + X1 = int(P1[0:self.para_len], 16) + Y1 = int(P1[self.para_len:len_2], 16) + if (l1 == len_2): + Z1 = 1 + else: + Z1 = int(P1[len_2:], 16) + x2 = int(P2[0:self.para_len], 16) + y2 = int(P2[self.para_len:len_2], 16) + + T1 = (Z1 * Z1) % int(self.ecc_table['p'], base=16) + T2 = (y2 * Z1) % int(self.ecc_table['p'], base=16) + T3 = (x2 * T1) % int(self.ecc_table['p'], base=16) + T1 = (T1 * T2) % int(self.ecc_table['p'], base=16) + T2 = (T3 - X1) % int(self.ecc_table['p'], base=16) + T3 = (T3 + X1) % int(self.ecc_table['p'], base=16) + T4 = (T2 * T2) % int(self.ecc_table['p'], base=16) + T1 = (T1 - Y1) % int(self.ecc_table['p'], base=16) + Z3 = (Z1 * T2) % int(self.ecc_table['p'], base=16) + T2 = (T2 * T4) % int(self.ecc_table['p'], base=16) + T3 = (T3 * T4) % int(self.ecc_table['p'], base=16) + T5 = (T1 * T1) % int(self.ecc_table['p'], base=16) + T4 = (X1 * T4) % int(self.ecc_table['p'], base=16) + X3 = (T5 - T3) % int(self.ecc_table['p'], base=16) + T2 = (Y1 * T2) % int(self.ecc_table['p'], base=16) + T3 = (T4 - X3) % int(self.ecc_table['p'], base=16) + T1 = (T1 * T3) % int(self.ecc_table['p'], base=16) + Y3 = (T1 - T2) % int(self.ecc_table['p'], base=16) + + form = '%%0%dx' % self.para_len + form = form * 3 + return form % (X3, Y3, Z3) + + def _convert_jacb_to_nor(self, Point): # Jacobian加重射影坐标转换成仿射坐标 + len_2 = 2 * self.para_len + x = int(Point[0:self.para_len], 16) + y = int(Point[self.para_len:len_2], 16) + z = int(Point[len_2:], 16) + z_inv = pow(z, int(self.ecc_table['p'], base=16) - 2, int(self.ecc_table['p'], base=16)) + z_invSquar = (z_inv * z_inv) % int(self.ecc_table['p'], base=16) + z_invQube = (z_invSquar * z_inv) % int(self.ecc_table['p'], base=16) + x_new = (x * z_invSquar) % int(self.ecc_table['p'], base=16) + y_new = (y * z_invQube) % int(self.ecc_table['p'], base=16) + z_new = (z * z_inv) % int(self.ecc_table['p'], base=16) + if z_new == 1: + form = '%%0%dx' % self.para_len + form = form * 2 + return form % (x_new, y_new) + else: + return None + + def verify(self, Sign, data): + # 验签函数，sign签名r||s，E消息hash，public_key公钥 + r = int(Sign[0:self.para_len], 16) + s = int(Sign[self.para_len:2 * self.para_len], 16) + e = int(data.hex(), 16) + t = (r + s) % int(self.ecc_table['n'], base=16) + if t == 0: + return 0 + + P1 = self._kg(s, self.ecc_table['g']) + P2 = self._kg(t, self.public_key) + # print(P1) + # print(P2) + if P1 == P2: + P1 = '%s%s' % (P1, 1) + P1 = self._double_point(P1) + else: + P1 = '%s%s' % (P1, 1) + P1 = self._add_point(P1, P2) + P1 = self._convert_jacb_to_nor(P1) + + x = int(P1[0:self.para_len], 16) + # return (r == ((e + x) % int(self.ecc_table['n'], base=16))) + return r + + def sign(self, data, K): # 签名函数, data:消息的hash，private_key:私钥，K:随机数，均为16进制字符串 + E = data.hex() # 消息转化为16进制字符串 + e = int(E, 16) + + d = int(self.private_key, 16) + k = int(K, 16) + + P1 = self._kg(k, self.ecc_table['g']) + + x = int(P1[0:self.para_len], 16) + R = ((e + x) % int(self.ecc_table['n'], base=16)) + if R == 0 or R + k == int(self.ecc_table['n'], base=16): + return None + d_1 = pow(d + 1, int(self.ecc_table['n'], base=16) - 2, int(self.ecc_table['n'], base=16)) + S = (d_1 * (k + R) - R) % int(self.ecc_table['n'], base=16) + if S == 0: + return None + else: + return '%064x%064x' % (R, S) + + def encrypt(self, data): + # 加密函数，data消息(bytes) + msg = data.hex() # 消息转化为16进制字符串 + k = random_hex(self.para_len) + C1 = self._kg(int(k, 16), self.ecc_table['g']) + xy = self._kg(int(k, 16), self.public_key) + x2 = xy[0:self.para_len] + y2 = xy[self.para_len:2 * self.para_len] + ml = len(msg) + t = sm3.sm3_kdf(xy.encode('utf8'), ml / 2) + if int(t, 16) == 0: + return None + else: + form = '%%0%dx' % ml + C2 = form % (int(msg, 16) ^ int(t, 16)) + C3 = sm3.sm3_hash([ + i for i in bytes.fromhex('%s%s%s' % (x2, msg, y2)) + ]) + return bytes.fromhex('%s%s%s' % (C1, C3, C2)) + + def decrypt(self, data): + # 解密函数，data密文（bytes） + data = data.hex() + len_2 = 2 * self.para_len + len_3 = len_2 + 64 + C1 = data[0:len_2] + C3 = data[len_2:len_3] + C2 = data[len_3:] + xy = self._kg(int(self.private_key, 16), C1) + # print('xy = %s' % xy) + x2 = xy[0:self.para_len] + y2 = xy[self.para_len:len_2] + cl = len(C2) + t = sm3.sm3_kdf(xy.encode('utf8'), cl / 2) + if int(t, 16) == 0: + return None + else: + form = '%%0%dx' % cl + M = form % (int(C2, 16) ^ int(t, 16)) + u = sm3.sm3_hash([ + i for i in bytes.fromhex('%s%s%s' % (x2, M, y2)) + ]) + return bytes.fromhex(M) diff --git a/Kerberos/lib/gmssl/sm3.py b/Kerberos/lib/gmssl/sm3.py new file mode 100644 index 0000000..343d1bc --- /dev/null +++ b/Kerberos/lib/gmssl/sm3.py @@ -0,0 +1,152 @@ +import binascii +from math import ceil + +from lib.gmssl.func import rotl, bytes_to_list + +IV = [ + 1937774191, 1226093241, 388252375, 3666478592, + 2842636476, 372324522, 3817729613, 2969243214, +] + +T_j = [ + 2043430169, 2043430169, 2043430169, 2043430169, 2043430169, 2043430169, + 2043430169, 2043430169, 2043430169, 2043430169, 2043430169, 2043430169, + 2043430169, 2043430169, 2043430169, 2043430169, 2055708042, 2055708042, + 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, + 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, + 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, + 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, + 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, + 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, + 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, 2055708042, + 2055708042, 2055708042, 2055708042, 2055708042 +] + + +def sm3_ff_j(x, y, z, j): + if 0 <= j and j < 16: + ret = x ^ y ^ z + elif 16 <= j and j < 64: + ret = (x & y) | (x & z) | (y & z) + return ret + + +def sm3_gg_j(x, y, z, j): + if 0 <= j and j < 16: + ret = x ^ y ^ z + elif 16 <= j and j < 64: + # ret = (X | Y) & ((2 ** 32 - 1 - X) | Z) + ret = (x & y) | ((~ x) & z) + return ret + + +def sm3_p_0(x): + return x ^ (rotl(x, 9 % 32)) ^ (rotl(x, 17 % 32)) + + +def sm3_p_1(x): + return x ^ (rotl(x, 15 % 32)) ^ (rotl(x, 23 % 32)) + + +def sm3_cf(v_i, b_i): + w = [] + for i in range(16): + weight = 0x1000000 + data = 0 + for k in range(i * 4, (i + 1) * 4): + data = data + b_i[k] * weight + weight = int(weight / 0x100) + w.append(data) + + for j in range(16, 68): + w.append(0) + w[j] = sm3_p_1(w[j - 16] ^ w[j - 9] ^ (rotl(w[j - 3], 15 % 32))) ^ (rotl(w[j - 13], 7 % 32)) ^ w[j - 6] + str1 = "%08x" % w[j] + w_1 = [] + for j in range(0, 64): + w_1.append(0) + w_1[j] = w[j] ^ w[j + 4] + str1 = "%08x" % w_1[j] + + a, b, c, d, e, f, g, h = v_i + + for j in range(0, 64): + ss_1 = rotl( + ((rotl(a, 12 % 32)) + + e + + (rotl(T_j[j], j % 32))) & 0xffffffff, 7 % 32 + ) + ss_2 = ss_1 ^ (rotl(a, 12 % 32)) + tt_1 = (sm3_ff_j(a, b, c, j) + d + ss_2 + w_1[j]) & 0xffffffff + tt_2 = (sm3_gg_j(e, f, g, j) + h + ss_1 + w[j]) & 0xffffffff + d = c + c = rotl(b, 9 % 32) + b = a + a = tt_1 + h = g + g = rotl(f, 19 % 32) + f = e + e = sm3_p_0(tt_2) + + a, b, c, d, e, f, g, h = map( + lambda x: x & 0xFFFFFFFF, [a, b, c, d, e, f, g, h]) + + v_j = [a, b, c, d, e, f, g, h] + return [v_j[i] ^ v_i[i] for i in range(8)] + + +def sm3_hash(msg): + # print(msg) + len1 = len(msg) + reserve1 = len1 % 64 + msg.append(0x80) + reserve1 = reserve1 + 1 + # 56-64, add 64 byte + range_end = 56 + if reserve1 > range_end: + range_end = range_end + 64 + + for i in range(reserve1, range_end): + msg.append(0x00) + + bit_length = (len1) * 8 + bit_length_str = [bit_length % 0x100] + for i in range(7): + bit_length = int(bit_length / 0x100) + bit_length_str.append(bit_length % 0x100) + for i in range(8): + msg.append(bit_length_str[7 - i]) + + group_count = round(len(msg) / 64) + + B = [] + for i in range(0, group_count): + B.append(msg[i * 64:(i + 1) * 64]) + + V = [] + V.append(IV) + for i in range(0, group_count): + V.append(sm3_cf(V[i], B[i])) + + y = V[i + 1] + result = "" + for i in y: + result = '%s%08x' % (result, i) + return result + + +def sm3_kdf(z, klen): # z为16进制表示的比特串（str），klen为密钥长度（单位byte） + klen = int(klen) + ct = 0x00000001 + rcnt = ceil(klen / 32) + zin = [i for i in bytes.fromhex(z.decode('utf8'))] + ha = "" + for i in range(rcnt): + msg = zin + [i for i in binascii.a2b_hex(('%08x' % ct).encode('utf8'))] + ha = ha + sm3_hash(msg) + ct += 1 + return ha[0: klen * 2] + + +def hash(data): + return sm3_hash(bytes_to_list(data)).encode() diff --git a/Kerberos/lib/gmssl/sm4.py b/Kerberos/lib/gmssl/sm4.py new file mode 100644 index 0000000..8f2214e --- /dev/null +++ b/Kerberos/lib/gmssl/sm4.py @@ -0,0 +1,189 @@ +import copy +import string +from random import choice + +from lib.gmssl.func import put_uint32_be, get_uint32_be, rotl, bytes_to_list, xor, padding, list_to_bytes, unpadding +from lib.pbkdf2 import re_gen_key + +# Expanded SM4 box table +SM4_BOXES_TABLE = [ + 0xd6, 0x90, 0xe9, 0xfe, 0xcc, 0xe1, 0x3d, 0xb7, 0x16, 0xb6, 0x14, 0xc2, 0x28, 0xfb, 0x2c, + 0x05, 0x2b, 0x67, 0x9a, 0x76, 0x2a, 0xbe, 0x04, 0xc3, 0xaa, 0x44, 0x13, 0x26, 0x49, 0x86, + 0x06, 0x99, 0x9c, 0x42, 0x50, 0xf4, 0x91, 0xef, 0x98, 0x7a, 0x33, 0x54, 0x0b, 0x43, 0xed, + 0xcf, 0xac, 0x62, 0xe4, 0xb3, 0x1c, 0xa9, 0xc9, 0x08, 0xe8, 0x95, 0x80, 0xdf, 0x94, 0xfa, + 0x75, 0x8f, 0x3f, 0xa6, 0x47, 0x07, 0xa7, 0xfc, 0xf3, 0x73, 0x17, 0xba, 0x83, 0x59, 0x3c, + 0x19, 0xe6, 0x85, 0x4f, 0xa8, 0x68, 0x6b, 0x81, 0xb2, 0x71, 0x64, 0xda, 0x8b, 0xf8, 0xeb, + 0x0f, 0x4b, 0x70, 0x56, 0x9d, 0x35, 0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, 0xd1, 0xa2, 0x25, + 0x22, 0x7c, 0x3b, 0x01, 0x21, 0x78, 0x87, 0xd4, 0x00, 0x46, 0x57, 0x9f, 0xd3, 0x27, 0x52, + 0x4c, 0x36, 0x02, 0xe7, 0xa0, 0xc4, 0xc8, 0x9e, 0xea, 0xbf, 0x8a, 0xd2, 0x40, 0xc7, 0x38, + 0xb5, 0xa3, 0xf7, 0xf2, 0xce, 0xf9, 0x61, 0x15, 0xa1, 0xe0, 0xae, 0x5d, 0xa4, 0x9b, 0x34, + 0x1a, 0x55, 0xad, 0x93, 0x32, 0x30, 0xf5, 0x8c, 0xb1, 0xe3, 0x1d, 0xf6, 0xe2, 0x2e, 0x82, + 0x66, 0xca, 0x60, 0xc0, 0x29, 0x23, 0xab, 0x0d, 0x53, 0x4e, 0x6f, 0xd5, 0xdb, 0x37, 0x45, + 0xde, 0xfd, 0x8e, 0x2f, 0x03, 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b, 0x51, 0x8d, 0x1b, 0xaf, + 0x92, 0xbb, 0xdd, 0xbc, 0x7f, 0x11, 0xd9, 0x5c, 0x41, 0x1f, 0x10, 0x5a, 0xd8, 0x0a, 0xc1, + 0x31, 0x88, 0xa5, 0xcd, 0x7b, 0xbd, 0x2d, 0x74, 0xd0, 0x12, 0xb8, 0xe5, 0xb4, 0xb0, 0x89, + 0x69, 0x97, 0x4a, 0x0c, 0x96, 0x77, 0x7e, 0x65, 0xb9, 0xf1, 0x09, 0xc5, 0x6e, 0xc6, 0x84, + 0x18, 0xf0, 0x7d, 0xec, 0x3a, 0xdc, 0x4d, 0x20, 0x79, 0xee, 0x5f, 0x3e, 0xd7, 0xcb, 0x39, + 0x48, +] + +# System parameter +SM4_FK = [0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc] + +# fixed parameter +SM4_CK = [ + 0x00070e15, 0x1c232a31, 0x383f464d, 0x545b6269, + 0x70777e85, 0x8c939aa1, 0xa8afb6bd, 0xc4cbd2d9, + 0xe0e7eef5, 0xfc030a11, 0x181f262d, 0x343b4249, + 0x50575e65, 0x6c737a81, 0x888f969d, 0xa4abb2b9, + 0xc0c7ced5, 0xdce3eaf1, 0xf8ff060d, 0x141b2229, + 0x30373e45, 0x4c535a61, 0x686f767d, 0x848b9299, + 0xa0a7aeb5, 0xbcc3cad1, 0xd8dfe6ed, 0xf4fb0209, + 0x10171e25, 0x2c333a41, 0x484f565d, 0x646b7279 +] + +SM4_ENCRYPT = 0 +SM4_DECRYPT = 1 + + +class CryptSM4(object): + + def __init__(self, mode=SM4_ENCRYPT): + self.sk = [0] * 32 + self.mode = mode + + # Calculating round encryption key. + # args: [in] a: a is a 32 bits unsigned value; + # return: sk[i]: i{0,1,2,3,...31}. + @classmethod + def _round_key(cls, ka): + b = [0, 0, 0, 0] + a = put_uint32_be(ka) + b[0] = SM4_BOXES_TABLE[a[0]] + b[1] = SM4_BOXES_TABLE[a[1]] + b[2] = SM4_BOXES_TABLE[a[2]] + b[3] = SM4_BOXES_TABLE[a[3]] + bb = get_uint32_be(b[0:4]) + rk = bb ^ (rotl(bb, 13)) ^ (rotl(bb, 23)) + return rk + + # Calculating and getting encryption/decryption contents. + # args: [in] x0: original contents; + # args: [in] x1: original contents; + # args: [in] x2: original contents; + # args: [in] x3: original contents; + # args: [in] rk: encryption/decryption key; + # return the contents of encryption/decryption contents. + @classmethod + def _f(cls, x0, x1, x2, x3, rk): + # "T algorithm" == "L algorithm" + "t algorithm". + # args: [in] a: a is a 32 bits unsigned value; + # return: c: c is calculated with line algorithm "L" and nonline algorithm "t" + def _sm4_l_t(ka): + b = [0, 0, 0, 0] + a = put_uint32_be(ka) + b[0] = SM4_BOXES_TABLE[a[0]] + b[1] = SM4_BOXES_TABLE[a[1]] + b[2] = SM4_BOXES_TABLE[a[2]] + b[3] = SM4_BOXES_TABLE[a[3]] + bb = get_uint32_be(b[0:4]) + c = bb ^ (rotl(bb, 2)) ^ (rotl(bb, 10)) ^ (rotl(bb, 18)) ^ (rotl(bb, 24)) + return c + + return (x0 ^ _sm4_l_t(x1 ^ x2 ^ x3 ^ rk)) + + @staticmethod + def get_random_key(strlen=16): + s = '' + for i in range(strlen): + a = choice(list(string.ascii_letters + string.digits)) + s = '%s%s' % (s, a) + return re_gen_key(s, strlen).encode() + + @staticmethod + def get_random_iv(strlen=16): + letterlist = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'] + s = '' + for i in range(strlen): + a = choice(letterlist) + s = '%s%s' % (s, a) + return s.encode() + + def set_key(self, key, mode): + key = bytes_to_list(key) + MK = [0, 0, 0, 0] + k = [0] * 36 + MK[0] = get_uint32_be(key[0:4]) + MK[1] = get_uint32_be(key[4:8]) + MK[2] = get_uint32_be(key[8:12]) + MK[3] = get_uint32_be(key[12:16]) + k[0:4] = xor(MK[0:4], SM4_FK[0:4]) + for i in range(32): + k[i + 4] = k[i] ^ ( + self._round_key(k[i + 1] ^ k[i + 2] ^ k[i + 3] ^ SM4_CK[i])) + self.sk[i] = k[i + 4] + self.mode = mode + if mode == SM4_DECRYPT: + for idx in range(16): + t = self.sk[idx] + self.sk[idx] = self.sk[31 - idx] + self.sk[31 - idx] = t + + def one_round(self, sk, in_put): + out_put = [] + ulbuf = [0] * 36 + ulbuf[0] = get_uint32_be(in_put[0:4]) + ulbuf[1] = get_uint32_be(in_put[4:8]) + ulbuf[2] = get_uint32_be(in_put[8:12]) + ulbuf[3] = get_uint32_be(in_put[12:16]) + for idx in range(32): + ulbuf[idx + 4] = self._f(ulbuf[idx], ulbuf[idx + 1], ulbuf[idx + 2], ulbuf[idx + 3], sk[idx]) + + out_put += put_uint32_be(ulbuf[35]) + out_put += put_uint32_be(ulbuf[34]) + out_put += put_uint32_be(ulbuf[33]) + out_put += put_uint32_be(ulbuf[32]) + return out_put + + def crypt_ecb(self, input_data): + # SM4-ECB block encryption/decryption + input_data = bytes_to_list(input_data) + if self.mode == SM4_ENCRYPT: + input_data = padding(input_data) + length = len(input_data) + i = 0 + output_data = [] + while length > 0: + output_data += self.one_round(self.sk, input_data[i:i + 16]) + i += 16 + length -= 16 + if self.mode == SM4_DECRYPT: + return list_to_bytes(unpadding(output_data)) + return list_to_bytes(output_data) + + def crypt_cbc(self, iv, input_data): + # SM4-CBC buffer encryption/decryption + # 使用随机数产生初始化向量IV + i = 0 + output_data = [] + tmp_input = [0] * 16 + iv = bytes_to_list(iv) + if self.mode == SM4_ENCRYPT: + input_data = padding(bytes_to_list(input_data)) + length = len(input_data) + while length > 0: + tmp_input[0:16] = xor(input_data[i:i + 16], iv[0:16]) + output_data += self.one_round(self.sk, tmp_input[0:16]) + iv = copy.deepcopy(output_data[i:i + 16]) + i += 16 + length -= 16 + return list_to_bytes(output_data) + else: + length = len(input_data) + while length > 0: + output_data += self.one_round(self.sk, input_data[i:i + 16]) + output_data[i:i + 16] = xor(output_data[i:i + 16], iv[0:16]) + iv = copy.deepcopy(input_data[i:i + 16]) + i += 16 + length -= 16 + return list_to_bytes(unpadding(output_data)) diff --git a/Kerberos/lib/ksocket.py b/Kerberos/lib/ksocket.py new file mode 100644 index 0000000..a023ff7 --- /dev/null +++ b/Kerberos/lib/ksocket.py @@ -0,0 +1,48 @@ +# kerberos socket + +import socket +import threading + + +class Socket(object): + def __init__(self): + self.bind_ip = '0.0.0.0' + self.bind_port = 8000 + + self.target_host = '127.0.0.1' + self.target_port = 8000 + + @staticmethod + def _handle_client(client_socket: socket.socket): + msg = 'HelloWorld' + + request = client_socket.recv(1024) + + print('[*] Received: %s' % request) + + client_socket.send(msg.encode()) + client_socket.close() + + def server(self, server_name): + print('[*] %s Service is running... ' % server_name) + + server = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + server.bind((self.bind_ip, self.bind_port)) + server.listen(5) + while True: + client, addr = server.accept() + + print('[*] Accepted connection from: %s:%d\n' % (addr[0], addr[1])) + + client_handler = threading.Thread(target=self._handle_client, args=(client,)) + client_handler.start() + + def client(self, msg): + client = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + client.connect((self.target_host, self.target_port)) + client.send(msg.encode()) + + response = client.recv(1024) + print(response) + + return response diff --git a/Kerberos/lib/pbkdf2.py b/Kerberos/lib/pbkdf2.py new file mode 100644 index 0000000..168aff7 --- /dev/null +++ b/Kerberos/lib/pbkdf2.py @@ -0,0 +1,45 @@ +import hmac +import struct +import hashlib + +from binascii import hexlify, unhexlify + + +def pbkdf2(password, salt, iters, keylen, digestmod=hashlib.sha1): + """Run the PBKDF2 (Password-Based Key Derivation Function 2) algorithm + and return the derived key. The arguments are: + password (bytes or bytearray) -- the input password + salt (bytes or bytearray) -- a cryptographic salt + iters (int) -- number of iterations + keylen (int) -- length of key to derive + digestmod -- a cryptographic hash function: either a module + supporting PEP 247, a hashlib constructor, or (in Python 3.4 + or later) the name of a hash function. + """ + h = hmac.new(password, digestmod=digestmod) + + def prf(data): + hm = h.copy() + hm.update(data) + return bytearray(hm.digest()) + + key = bytearray() + i = 1 + while len(key) < keylen: + t = u = prf(salt + struct.pack('>i', i)) + for _ in range(iters - 1): + u = prf(u) + t = bytearray(x ^ y for x, y in zip(t, u)) + key += t + i += 1 + return key[:keylen] + + +def re_gen_key(pwd, key_len): + password = pwd.encode() + salt = unhexlify(b'1234567878563412') + return hexlify(pbkdf2(password, salt, 500, int(key_len/2), hashlib.sha256)).decode() + + +if __name__ == '__main__': + print(re_gen_key('Python测试', 16)) diff --git a/Kerberos/requirements.txt b/Kerberos/requirements.txt new file mode 100644 index 0000000000000000000000000000000000000000..a83b6d195f3ff29abb48c2dfbc709716618fbb28 GIT binary patch literal 34 kcmezWFMy$v!54^w83Gx67;J&ikU@{Z0Emqkcp11D0G0#={Qv*} literal 0 HcmV?d00001 diff --git a/Kerberos/tests/test_cl_pkc.py b/Kerberos/tests/test_cl_pkc.py new file mode 100644 index 0000000..6f8d860 --- /dev/null +++ b/Kerberos/tests/test_cl_pkc.py @@ -0,0 +1,15 @@ +from lib.gmssl import sm2 + +kp = sm2.CryptSM2(public_key='', private_key='') + +a1 = kp.get_random_d(16) +a2 = kp.get_pa(a1) + +b1 = kp.get_random_d(16) +b2 = kp.get_pa(b1) +print(b2) + +k1 = kp._kg(int(a1, 16), b2) +k2 = kp._kg(int(b1, 16), a2) + +assert k1 == k2 diff --git a/Kerberos/tests/test_sm2.py b/Kerberos/tests/test_sm2.py new file mode 100644 index 0000000..acd7acf --- /dev/null +++ b/Kerberos/tests/test_sm2.py @@ -0,0 +1,30 @@ +from lib.gmssl import sm2, func + +kp = sm2.CryptSM2(public_key='', private_key='') + +private_key = kp.get_random_d(16) +public_key = kp.get_pa(private_key) + +print("\nprivate_key & public_key") +print("private_key:%s" % private_key) +print("public_key:%s" % public_key) + + +if __name__ == '__main__': + sm2_crypt = sm2.CryptSM2(public_key=public_key, private_key=private_key) + data = "Python测试".encode() + + print("\nencrypt & decrypt") + enc_data = sm2_crypt.encrypt(data) + print("enc_data:%s" % enc_data) + dec_data = sm2_crypt.decrypt(enc_data) + print("dec_data:%s" % dec_data.decode()) + assert data == dec_data + + print("\nsign & verify") + random_hex_str = func.random_hex(sm2_crypt.para_len) + sign = sm2_crypt.sign(data, random_hex_str) + print('sign:%s' % sign) + verify = sm2_crypt.verify(sign, data) + print('verify:%s' % verify) + assert verify diff --git a/Kerberos/tests/test_sm3.py b/Kerberos/tests/test_sm3.py new file mode 100644 index 0000000..1f1007c --- /dev/null +++ b/Kerberos/tests/test_sm3.py @@ -0,0 +1,5 @@ +from lib.gmssl import sm3 + +if __name__ == '__main__': + hash_data = sm3.hash("Python测试".encode()) + print(hash_data) diff --git a/Kerberos/tests/test_sm4.py b/Kerberos/tests/test_sm4.py new file mode 100644 index 0000000..2540407 --- /dev/null +++ b/Kerberos/tests/test_sm4.py @@ -0,0 +1,27 @@ +from lib.gmssl import sm4 + +if __name__ == '__main__': + value = 'Python测试Python测试Python测试'.encode() + crypt_sm4 = sm4.CryptSM4() + key = crypt_sm4.get_random_key() + iv = crypt_sm4.get_random_iv() + print(iv.decode()) + print(key.decode()) + + print("\nECB encrypt & decrypt") + crypt_sm4.set_key(key, sm4.SM4_ENCRYPT) + encrypt_value = crypt_sm4.crypt_ecb(value) + print(encrypt_value) + crypt_sm4.set_key(key, sm4.SM4_DECRYPT) + decrypt_value = crypt_sm4.crypt_ecb(encrypt_value) + print(decrypt_value.decode()) + assert value == decrypt_value + + print("\nCBC encrypt & decrypt") + crypt_sm4.set_key(key, sm4.SM4_ENCRYPT) + encrypt_value = crypt_sm4.crypt_cbc(iv, value) + print(encrypt_value) + crypt_sm4.set_key(key, sm4.SM4_DECRYPT) + decrypt_value = crypt_sm4.crypt_cbc(iv, encrypt_value) + print(decrypt_value.decode()) + assert value == decrypt_value