密钥管理系统 限时秒杀

import boto3
from botocore.exceptions import NoCredentialsError

# 初始化KMS客户端
kms_client = boto3.client('kms', region_name='your-region')

def encrypt_data(data):
    try:
        response = kms_client.encrypt(
            KeyId='your-kms-key-id',
            Plaintext=data.encode()
        )
        return response['CiphertextBlob']
    except NoCredentialsError:
        print("Credentials not available")
        return None

def decrypt_data(ciphertext_blob):
    try:
        response = kms_client.decrypt(
            CiphertextBlob=ciphertext_blob
        )
        return response['Plaintext'].decode()
    except NoCredentialsError:
        print("Credentials not available")
        return None

# 示例使用
encrypted = encrypt_data("sensitive information")
if encrypted:
    print(f"Encrypted Data: {encrypted}")
    decrypted = decrypt_data(encrypted)
    if decrypted:
        print(f"Decrypted Data: {decrypted}")