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️🔧 BlueKing crypto-python-sdk 是一个基于 pyCryptodome / tongsuopy 等加密库的轻量级密码学工具包,为 Python 应用统一的加解密实现, 便于项目在不同的加密方式之间进行无侵入切换

License: MIT License

Dockerfile 2.17% Makefile 0.98% Python 96.82% Shell 0.03%
crypto python gmssl

crypto-python-sdk's Introduction

BlueKing crypto-python-sdk


Python Django License

Release PRs Welcome

Publish to Pypi

(English Documents Available)

Overview

️🔧 BlueKing crypto-python-sdk 是一个基于 pyCryptodome / tongsuopy 等加密库的轻量级密码学工具包,为 Python 应用统一的加解密实现, 便于项目在不同的加密方式之间进行无侵入切换

Features

  • [Basic] 提供加密统一抽象层,对接 Cryptodome / tongsuopy 等加密库,提供统一的加解密实现
  • [Basic] 支持国际主流密码学算法:AES、RSA
  • [Basic] 支持**商用密码学算法:SM2、SM4
  • [Basic] 非对称加密支持 CBC、CTR、GCM、CFB 作为块密码模式
  • [Contrib] Django Support,集成 Django settings、ModelField

Getting started

Installation

$ pip install bk-crypto-python-sdk

Usage

更多用法参考:使用文档

1. 基础用法

非对称加密

from bkcrypto import constants
from bkcrypto.asymmetric import options
from bkcrypto.asymmetric.ciphers import BaseAsymmetricCipher
from bkcrypto.contrib.basic.ciphers import get_asymmetric_cipher

asymmetric_cipher: BaseAsymmetricCipher = get_asymmetric_cipher(
    cipher_type=constants.AsymmetricCipherType.SM2.value,
    # 传入 None 将随机生成密钥,业务可以根据场景选择传入密钥或随机生成
    cipher_options={
        constants.AsymmetricCipherType.SM2.value: options.SM2AsymmetricOptions(
            private_key_string=None
        ),
        constants.AsymmetricCipherType.RSA.value: options.SM2AsymmetricOptions(
            private_key_string=None
        ),
    }
)

# 加解密
assert "123" == asymmetric_cipher.decrypt(asymmetric_cipher.encrypt("123"))
# 验签
assert asymmetric_cipher.verify(plaintext="123", signature=asymmetric_cipher.sign("123"))

对称加密

import os

from bkcrypto import constants
from bkcrypto.symmetric.ciphers import BaseSymmetricCipher
from bkcrypto.contrib.basic.ciphers import get_symmetric_cipher

symmetric_cipher: BaseSymmetricCipher = get_symmetric_cipher(
    cipher_type=constants.SymmetricCipherType.SM4.value,
    common={"key": os.urandom(16)},
)
assert "123" == symmetric_cipher.decrypt(symmetric_cipher.encrypt("123"))

2. 结合 Django 使用

在 Django Settings 中配置加密算法类型

from bkcrypto import constants

BKCRYPTO = {
    # 声明项目所使用的非对称加密算法
    "ASYMMETRIC_CIPHER_TYPE": constants.AsymmetricCipherType.SM2.value,
    # 声明项目所使用的对称加密算法
    "SYMMETRIC_CIPHER_TYPE": constants.SymmetricCipherType.SM4.value,
}

非对称加密

from bkcrypto.asymmetric.ciphers import BaseAsymmetricCipher
from bkcrypto.contrib.django.ciphers import get_asymmetric_cipher

asymmetric_cipher: BaseAsymmetricCipher = get_asymmetric_cipher()

# 加解密
assert "123" == asymmetric_cipher.decrypt(asymmetric_cipher.encrypt("123"))
# 验签
assert asymmetric_cipher.verify(plaintext="123", signature=asymmetric_cipher.sign("123"))

对称加密

from bkcrypto.symmetric.ciphers import BaseSymmetricCipher
from bkcrypto.contrib.django.ciphers import get_symmetric_cipher

symmetric_cipher: BaseSymmetricCipher = get_symmetric_cipher()
assert "123" == symmetric_cipher.decrypt(symmetric_cipher.encrypt("123"))

3. 使用 Django CipherManager

在 Django Settings 中配置加密算法类型

from bkcrypto import constants
from bkcrypto.symmetric.options import AESSymmetricOptions, SM4SymmetricOptions
from bkcrypto.asymmetric.options import RSAAsymmetricOptions, SM2AsymmetricOptions

BKCRYPTO = {
    # 声明项目所使用的非对称加密算法
    "ASYMMETRIC_CIPHER_TYPE": constants.AsymmetricCipherType.SM2.value,
    # 声明项目所使用的对称加密算法
    "SYMMETRIC_CIPHER_TYPE": constants.SymmetricCipherType.SM4.value,
    "SYMMETRIC_CIPHERS": {
        # default - 所配置的对称加密实例,根据项目需要可以配置多个
        "default": {
            # 可选,用于在 settings 没法直接获取 key 的情况
            # "get_key_config": "apps.utils.encrypt.key.get_key_config",
            # 可选,用于 ModelField,加密时携带该前缀入库,解密时分析该前缀并选择相应的解密算法
            # ⚠️ 前缀和 cipher type 必须一一对应,且不能有前缀匹配关系
            # "db_prefix_map": {
            #     SymmetricCipherType.AES.value: "aes_str:::",
            #     SymmetricCipherType.SM4.value: "sm4_str:::"
            # },
            # 公共参数配置,不同 cipher 初始化时共用这部分参数
            "common": {"key": "your key"},
            "cipher_options": {
                constants.SymmetricCipherType.AES.value: AESSymmetricOptions(key_size=16),
                # 蓝鲸推荐配置
                constants.SymmetricCipherType.SM4.value: SM4SymmetricOptions(mode=constants.SymmetricMode.CTR)
            }
        },
    },
    "ASYMMETRIC_CIPHERS": {
        # 配置同 SYMMETRIC_CIPHERS
        "default": {
            "common": {"public_key_string": "your key"},
            "cipher_options": {
                constants.AsymmetricCipherType.RSA.value: RSAAsymmetricOptions(
                    padding=constants.RSACipherPadding.PKCS1_v1_5
                ),
                constants.AsymmetricCipherType.SM2.value: SM2AsymmetricOptions()
            },
        },
    }
}

非对称加密

使用 asymmetric_cipher_manager 获取 BKCRYPTO.ASYMMETRIC_CIPHERS 配置的 cipher

from bkcrypto.asymmetric.ciphers import BaseAsymmetricCipher
from bkcrypto.contrib.django.ciphers import asymmetric_cipher_manager

asymmetric_cipher: BaseAsymmetricCipher = asymmetric_cipher_manager.cipher(using="default")

# 加解密
assert "123" == asymmetric_cipher.decrypt(asymmetric_cipher.encrypt("123"))
# 验签
assert asymmetric_cipher.verify(plaintext="123", signature=asymmetric_cipher.sign("123"))

对称加密

使用 symmetric_cipher_manager 获取 BKCRYPTO.SYMMETRIC_CIPHERS 配置的 cipher

from bkcrypto.symmetric.ciphers import BaseSymmetricCipher
from bkcrypto.contrib.django.ciphers import symmetric_cipher_manager

# using - 指定对称加密实例,默认使用 `default`
symmetric_cipher: BaseSymmetricCipher = symmetric_cipher_manager.cipher(using="default")
assert "123" == symmetric_cipher.decrypt(symmetric_cipher.encrypt("123"))

Django ModelField

from django.db import models
from bkcrypto.contrib.django.fields import SymmetricTextField


class IdentityData(models.Model):
    password = SymmetricTextField("密码", blank=True, null=True)

Roadmap

Support

BlueKing Community

  • BK-CMDB:蓝鲸配置平台(蓝鲸 CMDB)是一个面向资产及应用的企业级配置管理平台。
  • BK-CI:蓝鲸持续集成平台是一个开源的持续集成和持续交付系统,可以轻松将你的研发流程呈现到你面前。
  • BK-BCS:蓝鲸容器管理平台是以容器技术为基础,为微服务业务提供编排管理的基础服务平台。
  • BK-PaaS:蓝鲸 PaaS 平台是一个开放式的开发平台,让开发者可以方便快捷地创建、开发、部署和管理 SaaS 应用。
  • BK-SOPS:标准运维(SOPS)是通过可视化的图形界面进行任务流程编排和执行的系统,是蓝鲸体系中一款轻量级的调度编排类 SaaS 产品。
  • BK-JOB 蓝鲸作业平台(Job)是一套运维脚本管理系统,具备海量任务并发处理能力。

Contributing

如果你有好的意见或建议,欢迎给我们提 Issues 或 Pull Requests,为蓝鲸开源社区贡献力量。
腾讯开源激励计划 鼓励开发者的参与和贡献,期待你的加入。

License

基于 MIT 协议, 详细请参考 LICENSE

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