Encrypted channels

1 files changed, 58 insertions, 0 deletions

diff --git a/src/channel.h b/src/channel.h
new file mode 100644
index 0000000..100003c
--- /dev/null
+++ b/src/channel.h
@@ -0,0 +1,58 @@
+#pragma once
+
+#include <erebos/storage.h>
+
+#include "identity.h"
+
+namespace erebos {
+
+struct ChannelRequestData
+{
+	Ref store(const Storage & st) const;
+	static optional<ChannelRequestData> load(const Ref &);
+
+	const vector<Stored<Signed<IdentityData>>> peers;
+	const Stored<PublicKexKey> key;
+};
+
+typedef Signed<ChannelRequestData> ChannelRequest;
+
+struct ChannelAcceptData
+{
+	Ref store(const Storage & st) const;
+	static optional<ChannelAcceptData> load(const Ref &);
+
+	Stored<class Channel> channel() const;
+
+	const Stored<ChannelRequest> request;
+	const Stored<PublicKexKey> key;
+};
+
+typedef Signed<ChannelAcceptData> ChannelAccept;
+
+class Channel
+{
+public:
+	Channel(const vector<Stored<Signed<IdentityData>>> & peers,
+			vector<uint8_t> && key):
+		peers(peers),
+		key(std::move(key))
+	{}
+
+	Ref store(const Storage & st) const;
+	static optional<Channel> load(const Ref &);
+
+	static Stored<ChannelRequest> generateRequest(const Storage &,
+			const Identity & self, const Identity & peer);
+	static optional<Stored<ChannelAccept>> acceptRequest(const Identity & self,
+			const Identity & peer, const Stored<ChannelRequest> & request);
+
+	vector<uint8_t> encrypt(const vector<uint8_t> &) const;
+	optional<vector<uint8_t>> decrypt(const vector<uint8_t> &) const;
+
+private:
+	const vector<Stored<Signed<IdentityData>>> peers;
+	const vector<uint8_t> key;
+};
+
+}