SHA (Secure Hash Algorithm，译作安全散列算法) 是美国国家安全局 (NSA) 设计，美国国家标准与技术研究院 (NIST) 发布的一系列密码散列函数。正式名称为 SHA 的家族第一个成员发布于 1993年。这是SHA384的算法原理，C语言实现-SHA (Secure Hash Algorithm) is a series of cryptographic hash functions issued by the National Institute of Standards and Technology (NIST) designed by the National Security Agency (NSA). The first member of the family, officially known as SHA, was released in 1993. This is the principle of SHA384 algorithm, C language