数据库凭据存储双12促销活动

import boto3
from cryptography.fernet import Fernet

# 初始化KMS客户端
kms_client = boto3.client('kms')

# 生成数据密钥
response = kms_client.generate_data_key(KeyId='alias/my-database-key', KeySpec='AES_256')
cipher_text = response['CiphertextBlob']
plain_text_key = response['Plaintext']

# 使用Fernet进行加密和解密
fernet = Fernet(plain_text_key)

# 加密数据库凭据
db_credentials = {'username': 'admin', 'password': 'secret'}
encrypted_credentials = fernet.encrypt(str(db_credentials).encode())

# 存储加密后的凭据（此处仅为示例，实际应存储在安全的地方）
with open('encrypted_credentials.bin', 'wb') as file:
    file.write(encrypted_credentials)

# 解密凭据以供使用
with open('encrypted_credentials.bin', 'rb') as file:
    encrypted_data = file.read()

decrypted_data = fernet.decrypt(encrypted_data).decode()
loaded_credentials = eval(decrypted_data)

print("Decrypted Credentials:", loaded_credentials)