/*
 *
 * (C) 2003-2022 Anope Team
 * Contact us at team@anope.org
 *
 * Please read COPYING and README for further details.
 *
 * Based on the original code of Epona by Lara.
 * Based on the original code of Services by Andy Church.
 */

namespace Encryption
{
	typedef std::pair<const unsigned char *, size_t> Hash;
	typedef std::pair<const uint32_t *, size_t> IV;

	class Context
	{
	 public:
		virtual ~Context() { }
		virtual void Update(const unsigned char *data, size_t len) = 0;
		virtual void Finalize() = 0;
		virtual Hash GetFinalizedHash() = 0;
	};

	class Provider : public Service
	{
	 public:
		Provider(Module *creator, const Anope::string &sname) : Service(creator, "Encryption::Provider", sname) { }
		virtual ~Provider() { }

		virtual Context *CreateContext(IV * = NULL) = 0;
		virtual IV GetDefaultIV() = 0;
	};
}