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https://github.com/1Panel-dev/MaxKB.git
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71 lines
2.0 KiB
Python
71 lines
2.0 KiB
Python
# coding=utf-8
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"""
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@project: maxkb
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@Author：虎
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@file： rsa_util.py
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@date：2023/11/3 11:13
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@desc:
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"""
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import base64
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import os
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from Crypto.Cipher import PKCS1_v1_5 as PKCS1_cipher
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from Crypto.PublicKey import RSA
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# 对密钥加密的密码
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secret_code = "mac_kb_password"
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def generate():
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"""
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生成 私钥秘钥对
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:return:{key:'公钥',value:'私钥'}
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"""
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# 生成一个 2048 位的密钥
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key = RSA.generate(2048)
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# 获取私钥
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encrypted_key = key.export_key(passphrase=secret_code, pkcs=8,
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protection="scryptAndAES128-CBC")
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return {'key': key.publickey().export_key(), 'value': encrypted_key}
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def get_key_pair():
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if not os.path.exists("/opt/maxkb/conf/receiver.pem"):
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kv = generate()
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private_file_out = open("/opt/maxkb/conf/private.pem", "wb")
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private_file_out.write(kv.get('value'))
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private_file_out.close()
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receiver_file_out = open("/opt/maxkb/conf/receiver.pem", "wb")
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receiver_file_out.write(kv.get('key'))
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receiver_file_out.close()
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return {'key': open("/opt/maxkb/conf/receiver.pem").read(), 'value': open("/opt/maxkb/conf/private.pem").read()}
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def encrypt(msg, public_key: str | None = None):
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"""
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加密
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:param msg: 加密数据
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:param public_key: 公钥
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:return: 加密后的数据
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"""
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if public_key is None:
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public_key = get_key_pair().get('key')
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cipher = PKCS1_cipher.new(RSA.importKey(public_key))
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encrypt_msg = cipher.encrypt(msg.encode("utf-8"))
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return base64.b64encode(encrypt_msg).decode()
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def decrypt(msg, pri_key: str | None = None):
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"""
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解密
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:param msg: 需要解密的数据
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:param pri_key: 私钥
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:return: 解密后数据
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"""
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if pri_key is None:
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pri_key = get_key_pair().get('value')
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cipher = PKCS1_cipher.new(RSA.importKey(pri_key, passphrase=secret_code))
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decrypt_data = cipher.decrypt(base64.b64decode(msg), 0)
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return decrypt_data.decode("utf-8")
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