These two forms of data are very important, need to be encrypted protection.

这两种形态的数据都非常重要，都需要进行加密保护。

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Sensitive information may need to be encrypted for confidentiality or digitally signed for integrity.

可能需要对敏感信息进行加密以实现机密性，或对其进行数字签名以实现完整性。

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At the same time, some image data as the reason of individual privacy, copyright and so on, need to be encrypted.

同时，部分图像数据由于个人隐私、版权等安全原因，需要进行加密传输。

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