2 files changed, 0 insertions, 99 deletions
diff --git a/vendor/github.com/getlantern/hidden/hidden.go b/vendor/github.com/getlantern/hidden/hidden.go
deleted file mode 100644
index 0c52b08..0000000
--- a/vendor/github.com/getlantern/hidden/hidden.go
+++ /dev/null
@@ -1,66 +0,0 @@
-// Package hidden provides the ability to "hide" binary data in a string using
-// a hex encoding with non-printing characters. Hidden data is demarcated with
-// a leading and trailing NUL character.
-package hidden
-
-import (
-	"bytes"
-	"fmt"
-	"regexp"
-
-	"github.com/getlantern/hex"
-)
-
-// 16 non-printing characters
-const hextable = "\x01\x02\x03\x04\x05\x06\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17"
-
-var (
-	hexencoding = hex.NewEncoding(hextable)
-
-	re *regexp.Regexp
-)
-
-func init() {
-	var err error
-	re, err = regexp.Compile(fmt.Sprintf("\x00[%v]+\x00", hextable))
-	if err != nil {
-		panic(err)
-	}
-}
-
-// ToString encodes the given data as a hidden string, including leadnig and
-// trailing NULs.
-func ToString(data []byte) string {
-	buf := bytes.NewBuffer(make([]byte, 0, 2+hex.EncodedLen(len(data))))
-	// Leading NUL
-	buf.WriteByte(0)
-	buf.WriteString(hexencoding.EncodeToString(data))
-	// Trailing NUL
-	buf.WriteByte(0)
-	return buf.String()
-}
-
-// FromString extracts the hidden data from a string, which is expected to
-// contain leading and trailing NULs.
-func FromString(str string) ([]byte, error) {
-	return hexencoding.DecodeString(str[1 : len(str)-1])
-}
-
-// Extract extracts all hidden data from an arbitrary string.
-func Extract(str string) ([][]byte, error) {
-	m := re.FindAllString(str, -1)
-	result := make([][]byte, 0, len(m))
-	for _, s := range m {
-		b, err := FromString(s)
-		if err != nil {
-			return nil, err
-		}
-		result = append(result, b)
-	}
-	return result, nil
-}
-
-// Clean removes any hidden data from an arbitrary string.
-func Clean(str string) string {
-	return re.ReplaceAllString(str, "")
-}
diff --git a/vendor/github.com/getlantern/hidden/hidden_test.go b/vendor/github.com/getlantern/hidden/hidden_test.go
deleted file mode 100644
index 420ce64..0000000
--- a/vendor/github.com/getlantern/hidden/hidden_test.go
+++ /dev/null
@@ -1,33 +0,0 @@
-package hidden
-
-import (
-	"encoding/binary"
-	"fmt"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestRoundTrip(t *testing.T) {
-	str := "H"
-	encoded := ToString([]byte(str))
-	rt, err := FromString(encoded)
-	if assert.NoError(t, err) {
-		assert.Equal(t, str, string(rt))
-	}
-}
-
-func TestExtract(t *testing.T) {
-	a := []byte("Here is my string")
-	b := make([]byte, 8)
-	binary.BigEndian.PutUint64(b, 56)
-	str := fmt.Sprintf("hidden%s data%s is fun", ToString(a), ToString(b))
-	t.Log(str)
-	out, err := Extract(str)
-	if assert.NoError(t, err) {
-		if assert.Len(t, out, 2) {
-			assert.Equal(t, out, [][]byte{a, b})
-		}
-	}
-	assert.Equal(t, "hidden data is fun", Clean(str))
-}