|
|
# -*- coding: utf-8 -*-
|
|
|
#
|
|
|
import base64
|
|
|
from Cryptodome.PublicKey import RSA
|
|
|
from Cryptodome.Cipher import PKCS1_v1_5
|
|
|
from Cryptodome import Random
|
|
|
|
|
|
from common.utils import get_logger
|
|
|
|
|
|
logger = get_logger(__file__)
|
|
|
|
|
|
|
|
|
def gen_key_pair():
|
|
|
""" 生成加密key
|
|
|
用于登录页面提交用户名/密码时，对密码进行加密（前端）/解密（后端）
|
|
|
"""
|
|
|
random_generator = Random.new().read
|
|
|
rsa = RSA.generate(1024, random_generator)
|
|
|
rsa_private_key = rsa.exportKey().decode()
|
|
|
rsa_public_key = rsa.publickey().exportKey().decode()
|
|
|
return rsa_private_key, rsa_public_key
|
|
|
|
|
|
|
|
|
def rsa_encrypt(message, rsa_public_key):
|
|
|
""" 加密登录密码 """
|
|
|
key = RSA.importKey(rsa_public_key)
|
|
|
cipher = PKCS1_v1_5.new(key)
|
|
|
cipher_text = base64.b64encode(cipher.encrypt(message.encode())).decode()
|
|
|
return cipher_text
|
|
|
|
|
|
|
|
|
def rsa_decrypt(cipher_text, rsa_private_key=None):
|
|
|
""" 解密登录密码 """
|
|
|
if rsa_private_key is None:
|
|
|
# rsa_private_key 为 None，可以能是API请求认证，不需要解密
|
|
|
return cipher_text
|
|
|
|
|
|
key = RSA.importKey(rsa_private_key)
|
|
|
cipher = PKCS1_v1_5.new(key)
|
|
|
cipher_decoded = base64.b64decode(cipher_text.encode())
|
|
|
# Todo: 弄明白为何要以下这么写，https://xbuba.com/questions/57035263
|
|
|
if len(cipher_decoded) == 127:
|
|
|
hex_fixed = '00' + cipher_decoded.hex()
|
|
|
cipher_decoded = base64.b16decode(hex_fixed.upper())
|
|
|
message = cipher.decrypt(cipher_decoded, b'error').decode()
|
|
|
return message
|
