The cryptographic computation adopts the cryptographic technique designated by the National Cipher Management Committee Office.

密码计算采用国家密码管理委员会办公室指定的密码技术。

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Stacking all or part of these transparencies will allow visual recovery of the secret image with no special cryptographic computation, unlike almost any other cryptographic techniques.

解密时只需将全部或若干个分存图片叠加，依靠人眼就可以直接识别出密图，不需要大量复杂的密码学运算。

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Stacking all or part of these transparencies will allow visual recovery of the secret image with no special cryptographic computation, unlike almost any other cryptographic techniques.

解密时只需将全部或若干个分存图片叠加，依靠人眼就可以直接识别出密图，不需要大量复杂的密码学运算。

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