typo

        against libdes providing similar functions having the same name).

        Provide macros for backward compatibility (will be removed in the

        future).

      o Unifiy handling of cryptographic algorithms (software and

        engine) to be available via EVP routines for asymmetric and

        symmetric ciphers.

      o Unify handling of cryptographic algorithms (software and engine)

        to be available via EVP routines for asymmetric and symmetric ciphers.

      o NCONF: new configuration handling routines.

      o Change API to use more 'const' modifiers to improve error checking

        and help optimizers.