Cryptography is the kernel of the secure communication and information security.

密码技术是保密通信和信息安全的核心技术。

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Technologies of cryptography are the core of information security.

密码技术是信息安全的核心技术。

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Among the mass information security technology, cryptography does undoubtedly play an important role.

在保障信息安全的众多技术中，密码技术无疑扮演着举足轻重的角色。

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Technologies of cryptography, especially encryption technologies are the core of information security.

密码技术，特别是加密技术是信息安全技术的核心。

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Cryptography is the key to solve these information security problems.

密码技术是解决这些安全问题的关键技术。

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Cryptography is the key to solve these information security problems.

密码技术是解决这些安全问题的关键技术。

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