文中提出了一种新的基于单向哈希函数的一次性口令认证方案。
A new Hash function based on scheme of one time password system is raised in this paper.
为了克服其方案密钥量大的缺陷，通过去掉单向哈希函数，给出1个改进方案。
To overcome the weakness of too many keys, we present an improvement of their signature scheme by getting rid of the one-way Hash function.
消息摘要是安全的单向哈希函数，它可以接受任意大小的输入数据，并输出固定长度的二进制哈希值。
Message digests are secure one-way hash functions that take arbitrary-sized data and output a fixed-length binary hash value.
消息摘要是一个安全的、单向的哈希函数，把任意长度的数据转化成固定长度的校验和/哈希码。
Message Digests are secure, one-way hash functions that convert arbitrary length data into fixed-length check sum / hash code.
哈希函数是单向的。
哈希函数是单向的。
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