This algorithm is simple to understand, its computation degree is small and its encryption intensity is very high.
该算法原理简单，计算量低而加密强度高。
Especially when it is improved, it can enhance the encryption intensity commendably but not increase too much computation degree in an integrated encryption processing.
特别是经过改进后，在一个完整的加密过程中，可以实现不增加计算量而快速提高加密强度。
It has strongpoint of symmetry encryption scheme such as encryption speed and encrypt intensity, but also has advantage of public key encryption scheme on key distribution and key management.
该方法兼有两类加密体制的优点：既有对称密码加密体制的加密速度快，强度高的优点，又拥有公钥密码体制在密钥分发与管理上的优势。
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