1 files changed, 172 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/nacl/auth/auth_test.go b/vendor/golang.org/x/crypto/nacl/auth/auth_test.go
new file mode 100644
index 000000000..92074b50b
--- /dev/null
+++ b/vendor/golang.org/x/crypto/nacl/auth/auth_test.go
@@ -0,0 +1,172 @@
+// Copyright 2017 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 auth
+
+import (
+	"bytes"
+	rand "crypto/rand"
+	mrand "math/rand"
+	"testing"
+)
+
+// Test cases are from RFC 4231, and match those present in the tests directory
+// of the download here: https://nacl.cr.yp.to/install.html
+var testCases = []struct {
+	key [32]byte
+	msg []byte
+	out [32]byte
+}{
+	{
+		key: [32]byte{
+			0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
+			0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
+			0x0b, 0x0b, 0x0b, 0x0b,
+		},
+		msg: []byte("Hi There"),
+		out: [32]byte{
+			0x87, 0xaa, 0x7c, 0xde, 0xa5, 0xef, 0x61, 0x9d,
+			0x4f, 0xf0, 0xb4, 0x24, 0x1a, 0x1d, 0x6c, 0xb0,
+			0x23, 0x79, 0xf4, 0xe2, 0xce, 0x4e, 0xc2, 0x78,
+			0x7a, 0xd0, 0xb3, 0x05, 0x45, 0xe1, 0x7c, 0xde,
+		},
+	},
+	{
+		key: [32]byte{'J', 'e', 'f', 'e'},
+		msg: []byte("what do ya want for nothing?"),
+		out: [32]byte{
+			0x16, 0x4b, 0x7a, 0x7b, 0xfc, 0xf8, 0x19, 0xe2,
+			0xe3, 0x95, 0xfb, 0xe7, 0x3b, 0x56, 0xe0, 0xa3,
+			0x87, 0xbd, 0x64, 0x22, 0x2e, 0x83, 0x1f, 0xd6,
+			0x10, 0x27, 0x0c, 0xd7, 0xea, 0x25, 0x05, 0x54,
+		},
+	},
+	{
+		key: [32]byte{
+			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+			0xaa, 0xaa, 0xaa, 0xaa,
+		},
+		msg: []byte{ // 50 bytes of 0xdd
+			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+			0xdd, 0xdd,
+		},
+		out: [32]byte{
+			0xfa, 0x73, 0xb0, 0x08, 0x9d, 0x56, 0xa2, 0x84,
+			0xef, 0xb0, 0xf0, 0x75, 0x6c, 0x89, 0x0b, 0xe9,
+			0xb1, 0xb5, 0xdb, 0xdd, 0x8e, 0xe8, 0x1a, 0x36,
+			0x55, 0xf8, 0x3e, 0x33, 0xb2, 0x27, 0x9d, 0x39,
+		},
+	},
+	{
+		key: [32]byte{
+			0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
+			0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
+			0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
+			0x19,
+		},
+		msg: []byte{
+			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+			0xcd, 0xcd,
+		},
+		out: [32]byte{
+			0xb0, 0xba, 0x46, 0x56, 0x37, 0x45, 0x8c, 0x69,
+			0x90, 0xe5, 0xa8, 0xc5, 0xf6, 0x1d, 0x4a, 0xf7,
+			0xe5, 0x76, 0xd9, 0x7f, 0xf9, 0x4b, 0x87, 0x2d,
+			0xe7, 0x6f, 0x80, 0x50, 0x36, 0x1e, 0xe3, 0xdb,
+		},
+	},
+}
+
+func TestSum(t *testing.T) {
+	for i, test := range testCases {
+		tag := Sum(test.msg, &test.key)
+		if !bytes.Equal(tag[:], test.out[:]) {
+			t.Errorf("#%d: Sum: got\n%x\nwant\n%x", i, tag, test.out)
+		}
+	}
+}
+
+func TestVerify(t *testing.T) {
+	wrongMsg := []byte("unknown msg")
+
+	for i, test := range testCases {
+		if !Verify(test.out[:], test.msg, &test.key) {
+			t.Errorf("#%d: Verify(%x, %q, %x) failed", i, test.out, test.msg, test.key)
+		}
+		if Verify(test.out[:], wrongMsg, &test.key) {
+			t.Errorf("#%d: Verify(%x, %q, %x) unexpectedly passed", i, test.out, wrongMsg, test.key)
+		}
+	}
+}
+
+func TestStress(t *testing.T) {
+	if testing.Short() {
+		t.Skip("exhaustiveness test")
+	}
+
+	var key [32]byte
+	msg := make([]byte, 10000)
+	prng := mrand.New(mrand.NewSource(0))
+
+	// copied from tests/auth5.c in nacl
+	for i := 0; i < 10000; i++ {
+		if _, err := rand.Read(key[:]); err != nil {
+			t.Fatal(err)
+		}
+		if _, err := rand.Read(msg[:i]); err != nil {
+			t.Fatal(err)
+		}
+		tag := Sum(msg[:i], &key)
+		if !Verify(tag[:], msg[:i], &key) {
+			t.Errorf("#%d: unexpected failure from Verify", i)
+		}
+		if i > 0 {
+			msgIndex := prng.Intn(i)
+			oldMsgByte := msg[msgIndex]
+			msg[msgIndex] += byte(1 + prng.Intn(255))
+			if Verify(tag[:], msg[:i], &key) {
+				t.Errorf("#%d: unexpected success from Verify after corrupting message", i)
+			}
+			msg[msgIndex] = oldMsgByte
+
+			tag[prng.Intn(len(tag))] += byte(1 + prng.Intn(255))
+			if Verify(tag[:], msg[:i], &key) {
+				t.Errorf("#%d: unexpected success from Verify after corrupting authenticator", i)
+			}
+		}
+	}
+}
+
+func BenchmarkAuth(b *testing.B) {
+	var key [32]byte
+	if _, err := rand.Read(key[:]); err != nil {
+		b.Fatal(err)
+	}
+	buf := make([]byte, 1024)
+	if _, err := rand.Read(buf[:]); err != nil {
+		b.Fatal(err)
+	}
+
+	b.SetBytes(int64(len(buf)))
+	b.ReportAllocs()
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		tag := Sum(buf, &key)
+		if Verify(tag[:], buf, &key) == false {
+			b.Fatal("unexpected failure from Verify")
+		}
+	}
+}