在这个演示中，我使用了SunJCE密码术供应商的tripledes块加密算法。

In this demonstration, I use the TripleDES block encryption algorithm of the SunJCE cryptography provider.

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说明：实现了SSE (SSE简单流加密算法)，该算法具有块加密与流密码特性的加密算法。

It implements SSE (SSE simple stream encryption algorithm), the algorithm has characteristics of stream ciphers and block cipher encryption algorithm.

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对称加密算法从加密模式上可分为流密码(序列密码)和分组密码(块密码)两大类，几乎当前使用的所有对称加密算法都是基于分组密码模式。

It can be divided into two sorts as stream cipher mode and block cipher mode by encrypting mode. The most commonly used symmetric encryption algorithms are almost based on block cipher mode.

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