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# 导入库
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# pip install cryptography
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# 参考文档：https://blog.csdn.net/t_sheng/article/details/138134870
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import time
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import base64
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from cryptography.hazmat.primitives.ciphers.aead import AESGCM
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aes_key = '1d35eefc2b8207d615028d056ce5296c'
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aes_associatedData = "12345"
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aes_nonce = "3229172322917278"
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# 加密
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def st_aes_en_func(de_data):
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aesgcm = AESGCM(aes_key.encode())
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ct = aesgcm.encrypt(aes_nonce.encode(), de_data.encode(), aes_associatedData.encode())
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return base64.b64encode(ct).decode('utf-8')
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# 解密
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def st_aes_de_func(en_data):
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en_data = base64.b64decode(en_data.encode('utf-8'))
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aesgcm = AESGCM(aes_key.encode())
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ct = aesgcm.decrypt(aes_nonce.encode(), en_data, aes_associatedData.encode())
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return ct.decode()
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def getenData(machine_id):
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# 获取当前时间的时间戳（秒）
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timestamp_in_seconds = time.time()
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# 将时间戳转换为毫秒
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timestamp_in_milliseconds = int(timestamp_in_seconds * 1000)
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de_data = '{"timestamp":%s,"machine_id":"%s"}' % (timestamp_in_milliseconds, machine_id)
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enData = st_aes_en_func(de_data)
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return enData
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