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81 lines
2.9 KiB
Go
81 lines
2.9 KiB
Go
/*
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* Copyright (c) 2014, Yawning Angel <yawning at torproject dot org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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package obfs4
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import (
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"bytes"
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"testing"
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"github.com/yawning/obfs4/ntor"
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)
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func TestHandshakeNtor(t *testing.T) {
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// Generate the server node id and id keypair.
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nodeID, _ := ntor.NewNodeID([]byte("\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13"))
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idKeypair, _ := ntor.NewKeypair(false)
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// Intialize the client and server handshake states
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clientHs, err := newClientHandshake(nodeID, idKeypair.Public())
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if err != nil {
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t.Fatal("newClientHandshake failed:", err)
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}
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serverHs := newServerHandshake(nodeID, idKeypair)
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// Generate what the client will send to the server.
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cToS, err := clientHs.generateHandshake()
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if err != nil {
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t.Fatal("clientHandshake.generateHandshake() failed", err)
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}
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// Parse the client handshake message.
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serverSeed, err := serverHs.parseClientHandshake(cToS)
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if err != nil {
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t.Fatal("serverHandshake.parseClientHandshake() failed", err)
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}
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// Genrate what the server will send to the client.
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sToC, err := serverHs.generateHandshake()
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if err != nil {
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t.Fatal("serverHandshake.generateHandshake() failed", err)
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}
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// Parse the server handshake message.
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n, clientSeed, err := clientHs.parseServerHandshake(sToC)
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if err != nil {
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t.Fatal("clientHandshake.parseServerHandshake() failed", err)
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}
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if n != len(sToC) {
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t.Fatalf("clientHandshake.parseServerHandshake() has bytes remaining: %d", n)
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}
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// Ensure the derived shared secret is the same.
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if 0 != bytes.Compare(clientSeed, serverSeed) {
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t.Fatalf("client/server seed mismatch")
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}
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}
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