chéngxuènyuán / yòng / sǎn liè / hánshù / bǎ / yònghù / mímǎ / zhuǎnhuàn / chéng / ānquán / zìfúchuàn程序员用散列函数把用户密码转换成安全字符串。Programmers use hash functions to convert user passwords into secure strings.