Centos6.4 SW Dev Install
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Added initial cs535_sysmmetric_cipher.c
To compile, do "gcc -g -lssl -o cs535_sysmmetric_cipher cs535_sysmmetric_cipher.c"


For Ubuntu users, download openssl tarball:
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wget http://www.openssl.org/source/openssl-1.0.1f.tar.gz
tar xvf 
cd openssl-dir
./config
sudo make install

gcc cs535_sysmmetric_cipher.c -o cs535 -I/usr/local/ssl/include -L/usr/local/ssl/lib -lcrypto -lssl -ldl

or 

gcc cs535_sysmmetric_cipher.c -o cs535 -I/usr/local/ssl/include -L/usr/local/ssl/lib -lcrypto -ldl # without -lssl