1 files changed, 33 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/internal/chacha20/chacha_test.go b/vendor/golang.org/x/crypto/internal/chacha20/chacha_test.go
new file mode 100644
index 0000000..b80d34c
--- /dev/null
+++ b/vendor/golang.org/x/crypto/internal/chacha20/chacha_test.go
@@ -0,0 +1,33 @@
+// 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)
+	}
+}