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- // Copyright 2016 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 chacha20
-
- import (
- "encoding/hex"
- "testing"
- )
-
- func TestCore(t *testing.T) {
- // This is just a smoke test that checks the example from
- // https://tools.ietf.org/html/rfc7539#section-2.3.2. The
- // chacha20poly1305 package contains much more extensive tests of this
- // code.
- var key [32]byte
- for i := range key {
- key[i] = byte(i)
- }
-
- var input [16]byte
- input[0] = 1
- input[7] = 9
- input[11] = 0x4a
-
- var out [64]byte
- XORKeyStream(out[:], out[:], &input, &key)
- const expected = "10f1e7e4d13b5915500fdd1fa32071c4c7d1f4c733c068030422aa9ac3d46c4ed2826446079faa0914c2d705d98b02a2b5129cd1de164eb9cbd083e8a2503c4e"
- if result := hex.EncodeToString(out[:]); result != expected {
- t.Errorf("wanted %x but got %x", expected, result)
- }
- }
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