1 file was added to this release more than 14 days after its initial publication. Inspect the release files before installing.
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 encrypt、 decrypt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. encrypt和decrypt
#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. sign和verify
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_sm3和verify_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_ecb、 decrypt_ecb、 encrypt_cbc、
decrypt_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_ecb和decrypt_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_cbc和decrypt_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
Release files for gmssl 3.2.2
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File added late
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Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| gmssl-3.2.2.linux-x86_64.tar.gz | 18.4 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| gmssl-3.2.2-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 28.6 kB
Release files / gmssl-3.2.2.linux-x86_64.tar.gz
| Download URL | gmssl-3.2.2.linux-x86_64.tar.gz |
|---|---|
| Size | 18.4 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
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| Download URL | gmssl-3.2.2-py3-none-any.whl |
|---|---|
| Size | 10.2 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
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