SHA-512 source code in C

Is there 开发者_如何学Pythonany library which implements SHA-512 in C? For example, Linux sha512sum. Where can I get it?

sha512sum is found in the GNU Coreutils package

libcrypt (part of OpenSSL) is an option

libpolarssl has an implementation.

sphlib has an implementation of SHA-512 in C (and also in Java).