79 строки
1.9 KiB
Go
79 строки
1.9 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package box
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import (
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"bytes"
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"crypto/rand"
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"encoding/hex"
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"testing"
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"golang.org/x/crypto/curve25519"
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)
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func TestSealOpen(t *testing.T) {
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publicKey1, privateKey1, _ := GenerateKey(rand.Reader)
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publicKey2, privateKey2, _ := GenerateKey(rand.Reader)
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if *privateKey1 == *privateKey2 {
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t.Fatalf("private keys are equal!")
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}
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if *publicKey1 == *publicKey2 {
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t.Fatalf("public keys are equal!")
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}
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message := []byte("test message")
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var nonce [24]byte
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box := Seal(nil, message, &nonce, publicKey1, privateKey2)
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opened, ok := Open(nil, box, &nonce, publicKey2, privateKey1)
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if !ok {
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t.Fatalf("failed to open box")
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}
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if !bytes.Equal(opened, message) {
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t.Fatalf("got %x, want %x", opened, message)
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}
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for i := range box {
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box[i] ^= 0x40
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_, ok := Open(nil, box, &nonce, publicKey2, privateKey1)
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if ok {
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t.Fatalf("opened box with byte %d corrupted", i)
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}
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box[i] ^= 0x40
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}
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}
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func TestBox(t *testing.T) {
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var privateKey1, privateKey2 [32]byte
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for i := range privateKey1[:] {
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privateKey1[i] = 1
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}
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for i := range privateKey2[:] {
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privateKey2[i] = 2
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}
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var publicKey1 [32]byte
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curve25519.ScalarBaseMult(&publicKey1, &privateKey1)
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var message [64]byte
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for i := range message[:] {
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message[i] = 3
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}
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var nonce [24]byte
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for i := range nonce[:] {
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nonce[i] = 4
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}
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box := Seal(nil, message[:], &nonce, &publicKey1, &privateKey2)
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// expected was generated using the C implementation of NaCl.
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expected, _ := hex.DecodeString("78ea30b19d2341ebbdba54180f821eec265cf86312549bea8a37652a8bb94f07b78a73ed1708085e6ddd0e943bbdeb8755079a37eb31d86163ce241164a47629c0539f330b4914cd135b3855bc2a2dfc")
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if !bytes.Equal(box, expected) {
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t.Fatalf("box didn't match, got\n%x\n, expected\n%x", box, expected)
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}
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}
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