c90c694bc4
(cherry picked from commit b83d09f5528990364e0f7ed498eb8a9b56d95b58)
This is an OpenSSL-compatible version of AES (also called Rijndael). aes_core.c is basically the same as rijndael-alg-fst.c but with an API that looks like the rest of the OpenSSL symmetric cipher suite.