
Initial support for CMS. Add zlib compression BIO. Add AES key wrap implementation. Generalize S/MIME MIME code to support CMS and/or PKCS7.
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.