6e3bc4f073
Generalise RecipientInfo and enveloped data handling so applications can add their own key lookup routines as well as using the standard ones.
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.