From d103ed6ca97ca5a2669f6cf5fe4b3d2a9c945f26 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Wed, 17 May 2017 16:51:25 -0400
Subject: Upgrading server dependancies (#6431)

---
 .../hashicorp/memberlist/security_test.go          | 70 ++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 vendor/github.com/hashicorp/memberlist/security_test.go

(limited to 'vendor/github.com/hashicorp/memberlist/security_test.go')

diff --git a/vendor/github.com/hashicorp/memberlist/security_test.go b/vendor/github.com/hashicorp/memberlist/security_test.go
new file mode 100644
index 000000000..15fa4aa8e
--- /dev/null
+++ b/vendor/github.com/hashicorp/memberlist/security_test.go
@@ -0,0 +1,70 @@
+package memberlist
+
+import (
+	"bytes"
+	"reflect"
+	"testing"
+)
+
+func TestPKCS7(t *testing.T) {
+	for i := 0; i <= 255; i++ {
+		// Make a buffer of size i
+		buf := []byte{}
+		for j := 0; j < i; j++ {
+			buf = append(buf, byte(i))
+		}
+
+		// Copy to bytes buffer
+		inp := bytes.NewBuffer(nil)
+		inp.Write(buf)
+
+		// Pad this out
+		pkcs7encode(inp, 0, 16)
+
+		// Unpad
+		dec := pkcs7decode(inp.Bytes(), 16)
+
+		// Ensure equivilence
+		if !reflect.DeepEqual(buf, dec) {
+			t.Fatalf("mismatch: %v %v", buf, dec)
+		}
+	}
+
+}
+
+func TestEncryptDecrypt_V0(t *testing.T) {
+	encryptDecryptVersioned(0, t)
+}
+
+func TestEncryptDecrypt_V1(t *testing.T) {
+	encryptDecryptVersioned(1, t)
+}
+
+func encryptDecryptVersioned(vsn encryptionVersion, t *testing.T) {
+	k1 := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
+	plaintext := []byte("this is a plain text message")
+	extra := []byte("random data")
+
+	var buf bytes.Buffer
+	err := encryptPayload(vsn, k1, plaintext, extra, &buf)
+	if err != nil {
+		t.Fatalf("err: %v", err)
+	}
+
+	expLen := encryptedLength(vsn, len(plaintext))
+	if buf.Len() != expLen {
+		t.Fatalf("output length is unexpected %d %d %d", len(plaintext), buf.Len(), expLen)
+	}
+
+	msg, err := decryptPayload([][]byte{k1}, buf.Bytes(), extra)
+	if err != nil {
+		t.Fatalf("err: %v", err)
+	}
+
+	cmp := bytes.Compare(msg, plaintext)
+	if cmp != 0 {
+		t.Errorf("len %d %v", len(msg), msg)
+		t.Errorf("len %d %v", len(plaintext), plaintext)
+		t.Fatalf("encrypt/decrypt failed! %d '%s' '%s'", cmp, msg, plaintext)
+	}
+}
-- 
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