/usr/share/gocode/src/golang.org/x/crypto/nacl/box/box_test.go is in golang-golang-x-crypto-dev 1:0.0~git20170629.0.5ef0053-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | // Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package box
import (
"bytes"
"crypto/rand"
"encoding/hex"
"testing"
"golang.org/x/crypto/curve25519"
)
func TestSealOpen(t *testing.T) {
publicKey1, privateKey1, _ := GenerateKey(rand.Reader)
publicKey2, privateKey2, _ := GenerateKey(rand.Reader)
if *privateKey1 == *privateKey2 {
t.Fatalf("private keys are equal!")
}
if *publicKey1 == *publicKey2 {
t.Fatalf("public keys are equal!")
}
message := []byte("test message")
var nonce [24]byte
box := Seal(nil, message, &nonce, publicKey1, privateKey2)
opened, ok := Open(nil, box, &nonce, publicKey2, privateKey1)
if !ok {
t.Fatalf("failed to open box")
}
if !bytes.Equal(opened, message) {
t.Fatalf("got %x, want %x", opened, message)
}
for i := range box {
box[i] ^= 0x40
_, ok := Open(nil, box, &nonce, publicKey2, privateKey1)
if ok {
t.Fatalf("opened box with byte %d corrupted", i)
}
box[i] ^= 0x40
}
}
func TestBox(t *testing.T) {
var privateKey1, privateKey2 [32]byte
for i := range privateKey1[:] {
privateKey1[i] = 1
}
for i := range privateKey2[:] {
privateKey2[i] = 2
}
var publicKey1 [32]byte
curve25519.ScalarBaseMult(&publicKey1, &privateKey1)
var message [64]byte
for i := range message[:] {
message[i] = 3
}
var nonce [24]byte
for i := range nonce[:] {
nonce[i] = 4
}
box := Seal(nil, message[:], &nonce, &publicKey1, &privateKey2)
// expected was generated using the C implementation of NaCl.
expected, _ := hex.DecodeString("78ea30b19d2341ebbdba54180f821eec265cf86312549bea8a37652a8bb94f07b78a73ed1708085e6ddd0e943bbdeb8755079a37eb31d86163ce241164a47629c0539f330b4914cd135b3855bc2a2dfc")
if !bytes.Equal(box, expected) {
t.Fatalf("box didn't match, got\n%x\n, expected\n%x", box, expected)
}
}
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