forked from wolfSSL/wolfssl
--- variable encSig moved to the heap (98 bytes saved) --- variable md5 moved to util function (sizeof(Md5) bytes saved) --- variable sha moved to util function (sizeof(Sha) bytes saved) --- variable sha256 moved to util function (sizeof(Sha256) bytes saved) add cast to variables that may not be used in some builds. fix - put RSA code inside #ifndef NO_RSA