有限域，有限群论，混沌理论，编码，数字水印，密码学。

Finite Field, Theory of Finite Groups, Chaos Theory, Coding, Digital Watermarking, Cryptography.

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由于几乎差集与密码学、编码理论和序列设计有密切联系，它引起了不少学者的关注。

For its close relation to cryptography, coding theory and sequences, almost difference sets have attracted many scholars' attention.

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在密码安全学中，一种对密钥施加额外保护的方法，它利用了编码者与最终用户的一致性。

In cryptography security, a method of applying additional security to a key utilizing the identities of both the originator, and also the ultimate recipient.

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在密码安全学中，一种对密钥施加额外保护的方法，它利用了编码者与最终用户的一致性。

In cryptography security, a method of applying additional security to a key utilizing the identities of both the originator, and also the ultimate recipient.

youdao