From ab86a1f0c3b86050e65fc5b7ac1e88a00f0d228c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Roman=20Smr=C5=BE?= <roman.smrz@seznam.cz>
Date: Mon, 27 Jan 2020 21:25:39 +0100
Subject: Encrypted channels

---
 src/channel.h | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/channel.h

(limited to 'src/channel.h')

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;
+};
+
+}
-- 
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