消息推送系统

from Crypto.Cipher import AES

学工系统

def encrypt_message(message, key):

cipher = AES.new(key, AES.MODE_EAX)

ciphertext, tag = cipher.encrypt_and_digest(message.encode())

return (cipher.nonce, tag, ciphertext)

# 示例

key = os.urandom(32) # 生成随机密钥

message = "Hello, World!"

nonce, tag, ciphertext = encrypt_message(message, key)

print("Ciphertext:", ciphertext)

import datetime

def create_token(user_id):

payload = {

'user_id': user_id,

'exp': datetime.datetime.utcnow() + datetime.timedelta(days=1),

'iat': datetime.datetime.utcnow()

}

token = jwt.encode(payload, 'SECRET_KEY', algorithm='HS256')

return token

# 示例

token = create_token('user123')

print("Token:", token)