add initial work for openssl signatures
add basic C test files for ciphers and signatures
more signature classes, comments for evp base classes
more signature tests
fix super calls for input consumers
fix getOutputArtifact for tests
formatting
delete redundant test files
move algorithm methods to OpenSSLOperation
refactor ECKeyGenOperation for new EVP classes
formatting
fix getOutputArtifact
fix cipher and digest operation test results
mv openssl signature to another PR
