新的HASH算法，sha1等的替代算法之一。用于产生消息摘要，主要用于信息安全领域完整性认证。安全性更高，是现有消息摘要算法sha1、sha2、md5等的更新替代算法。-The new HASH method, sha1, etc. One alternative algorithms. Used to generate message digest is mainly used in the field of information security and integrity of certification. More secure, is the current message digest algorithm sha1, sha2, md5, etc. update replaces the algorithm.