Hulk did something

[bytom/vapor.git] / vendor / golang.org / x / crypto / chacha20poly1305 / internal / chacha20 / chacha_test.go

diff --git a/vendor/golang.org/x/crypto/chacha20poly1305/internal/chacha20/chacha_test.go b/vendor/golang.org/x/crypto/chacha20poly1305/internal/chacha20/chacha_test.go
new file mode 100644 (file)
index 0000000..b80d34c
--- /dev/null
+++ b/vendor/golang.org/x/crypto/chacha20poly1305/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)
+       }
+}