Huge News!Announcing our $40M Series B led by Abstract Ventures.Learn More
Socket
Sign inDemoInstall
Socket

gmssl

Package Overview
Dependencies
Maintainers
1
Alerts
File Explorer

Advanced tools

Socket logo

Install Socket

Detect and block malicious and high-risk dependencies

Install

gmssl

Pure-Python SM2/SM3/SM4 implementation

  • 3.2.2
  • PyPI
  • Socket score

Maintainers
1

GMSSL

GmSSL是一个开源的加密包的python实现,支持SM2/SM3/SM4等国密(国家商用密码)算法、项目采用对商业应用友好的类BSD开源许可证,开源且可以用于闭源的商业应用。

安装

pip install gmssl

SM2算法

RSA算法的危机在于其存在亚指数算法,对ECC算法而言一般没有亚指数攻击算法 SM2椭圆曲线公钥密码算法:我国自主知识产权的商用密码算法,是ECC(Elliptic Curve Cryptosystem)算法的一种,基于椭圆曲线离散对数问题,计算复杂度是指数级,求解难度较大,同等安全程度要求下,椭圆曲线密码较其他公钥算法所需密钥长度小很多。

gmssl是包含国密SM2算法的Python实现, 提供了 encryptdecrypt等函数用于加密解密, 用法如下:

1. 初始化CryptSM2
import base64
import binascii
from gmssl import sm2, func
#16进制的公钥和私钥
private_key = '00B9AB0B828FF68872F21A837FC303668428DEA11DCD1B24429D0C99E24EED83D5'
public_key = 'B9C9A6E04E9C91F7BA880429273747D7EF5DDEB0BB2FF6317EB00BEF331A83081A6994B8993F3F5D6EADDDB81872266C87C018FB4162F5AF347B483E24620207'
sm2_crypt = sm2.CryptSM2(
    public_key=public_key, private_key=private_key)
# 对接java 时验签失败可以使用
sm2_crypt = sm2.CryptSM2(
    public_key=public_key, private_key=private_key, asn1=True)
2. encryptdecrypt
#数据和加密后数据为bytes类型
data = b"111"
enc_data = sm2_crypt.encrypt(data)
dec_data =sm2_crypt.decrypt(enc_data)
assert dec_data == data
3. signverify
data = b"111" # bytes类型
random_hex_str = func.random_hex(sm2_crypt.para_len)
sign = sm2_crypt.sign(data, random_hex_str) #  16进制
assert sm2_crypt.verify(sign, data) #  16进制
4. sign_with_sm3verify_with_sm3
data = b"111" # bytes类型
sign = sm2_crypt.sign_with_sm3(data) #  16进制
assert sm2_crypt.verify_with_sm3(sign, data) #  16进制

SM4算法

国密SM4(无线局域网SMS4)算法, 一个分组算法, 分组长度为128bit, 密钥长度为128bit, 算法具体内容参照SM4算法

gmssl是包含国密SM4算法的Python实现, 提供了 encrypt_ecbdecrypt_ecbencrypt_cbcdecrypt_cbc等函数用于加密解密, 用法如下:

1. 初始化CryptSM4
from gmssl.sm4 import CryptSM4, SM4_ENCRYPT, SM4_DECRYPT

key = b'3l5butlj26hvv313'
value = b'111' #  bytes类型
iv = b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' #  bytes类型
crypt_sm4 = CryptSM4()
2. encrypt_ecbdecrypt_ecb

crypt_sm4.set_key(key, SM4_ENCRYPT)
encrypt_value = crypt_sm4.crypt_ecb(value) #  bytes类型
crypt_sm4.set_key(key, SM4_DECRYPT)
decrypt_value = crypt_sm4.crypt_ecb(encrypt_value) #  bytes类型
assert value == decrypt_value

3. encrypt_cbcdecrypt_cbc

crypt_sm4.set_key(key, SM4_ENCRYPT)
encrypt_value = crypt_sm4.crypt_cbc(iv , value) #  bytes类型
crypt_sm4.set_key(key, SM4_DECRYPT)
decrypt_value = crypt_sm4.crypt_cbc(iv , encrypt_value) #  bytes类型
assert value == decrypt_value

FAQs


Did you know?

Socket

Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.

Install

Related posts

SocketSocket SOC 2 Logo

Product

  • Package Alerts
  • Integrations
  • Docs
  • Pricing
  • FAQ
  • Roadmap
  • Changelog

Packages

npm

Stay in touch

Get open source security insights delivered straight into your inbox.


  • Terms
  • Privacy
  • Security

Made with ⚡️ by Socket Inc