安全存储优惠

from Crypto.Cipher import AES
from Crypto.Random import get_random_bytes
from Crypto.Util.Padding import pad, unpad
import base64

def encrypt_data(data, key):
    iv = get_random_bytes(16)
    cipher = AES.new(key, AES.MODE_CBC, iv)
    encrypted_data = cipher.encrypt(pad(data.encode(), AES.block_size))
    return base64.b64encode(iv + encrypted_data).decode('utf-8')

def decrypt_data(encrypted_data, key):
    decoded_data = base64.b64decode(encrypted_data)
    iv = decoded_data[:16]
    cipher = AES.new(key, AES.MODE_CBC, iv)
    decrypted_data = unpad(cipher.decrypt(decoded_data[16:]), AES.block_size)
    return decrypted_data.decode('utf-8')

# 示例用法
key = get_random_bytes(16)  # 生成一个16字节的密钥
data = "这是一个需要加密的敏感信息"
encrypted = encrypt_data(data, key)
print(f"加密后的数据: {encrypted}")

decrypted = decrypt_data(encrypted, key)
print(f"解密后的数据: {decrypted}")