libgo/go/encoding/base32/base32_test.go - gofrontend - Git at Google

 // Copyright 2009 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 base32

 import (
 	"bytes"
 	"io"
 	"io/ioutil"
 	"strings"
 	"testing"
 )

 type testpair struct {
 	decoded, encoded string
 }

 var pairs = []testpair{
 	// RFC 4648 examples
 	{"", ""},
 	{"f", "MY======"},
 	{"fo", "MZXQ===="},
 	{"foo", "MZXW6==="},
 	{"foob", "MZXW6YQ="},
 	{"fooba", "MZXW6YTB"},
 	{"foobar", "MZXW6YTBOI======"},

 	// Wikipedia examples, converted to base32
 	{"sure.", "ON2XEZJO"},
 	{"sure", "ON2XEZI="},
 	{"sur", "ON2XE==="},
 	{"su", "ON2Q===="},
 	{"leasure.", "NRSWC43VOJSS4==="},
 	{"easure.", "MVQXG5LSMUXA===="},
 	{"asure.", "MFZXK4TFFY======"},
 	{"sure.", "ON2XEZJO"},
 }

 var bigtest = testpair{
 	"Twas brillig, and the slithy toves",
 	"KR3WC4ZAMJZGS3DMNFTSYIDBNZSCA5DIMUQHG3DJORUHSIDUN53GK4Y=",
 }

 func testEqual(t *testing.T, msg string, args ...interface{}) bool {
 	if args[len(args)-2] != args[len(args)-1] {
 		t.Errorf(msg, args...)
 		return false
 	}
 	return true
 }

 func TestEncode(t *testing.T) {
 	for _, p := range pairs {
 		got := StdEncoding.EncodeToString([]byte(p.decoded))
 		testEqual(t, "Encode(%q) = %q, want %q", p.decoded, got, p.encoded)
 	}
 }

 func TestEncoder(t *testing.T) {
 	for _, p := range pairs {
 		bb := &bytes.Buffer{}
 		encoder := NewEncoder(StdEncoding, bb)
 		encoder.Write([]byte(p.decoded))
 		encoder.Close()
 		testEqual(t, "Encode(%q) = %q, want %q", p.decoded, bb.String(), p.encoded)
 	}
 }

 func TestEncoderBuffering(t *testing.T) {
 	input := []byte(bigtest.decoded)
 	for bs := 1; bs <= 12; bs++ {
 		bb := &bytes.Buffer{}
 		encoder := NewEncoder(StdEncoding, bb)
 		for pos := 0; pos < len(input); pos += bs {
 			end := pos + bs
 			if end > len(input) {
 				end = len(input)
 			}
 			n, err := encoder.Write(input[pos:end])
 			testEqual(t, "Write(%q) gave error %v, want %v", input[pos:end], err, error(nil))
 			testEqual(t, "Write(%q) gave length %v, want %v", input[pos:end], n, end-pos)
 		}
 		err := encoder.Close()
 		testEqual(t, "Close gave error %v, want %v", err, error(nil))
 		testEqual(t, "Encoding/%d of %q = %q, want %q", bs, bigtest.decoded, bb.String(), bigtest.encoded)
 	}
 }

 func TestDecode(t *testing.T) {
 	for _, p := range pairs {
 		dbuf := make([]byte, StdEncoding.DecodedLen(len(p.encoded)))
 		count, end, err := StdEncoding.decode(dbuf, []byte(p.encoded))
 		testEqual(t, "Decode(%q) = error %v, want %v", p.encoded, err, error(nil))
 		testEqual(t, "Decode(%q) = length %v, want %v", p.encoded, count, len(p.decoded))
 		if len(p.encoded) > 0 {
 			testEqual(t, "Decode(%q) = end %v, want %v", p.encoded, end, (p.encoded[len(p.encoded)-1] == '='))
 		}
 		testEqual(t, "Decode(%q) = %q, want %q", p.encoded,
 			string(dbuf[0:count]),
 			p.decoded)

 		dbuf, err = StdEncoding.DecodeString(p.encoded)
 		testEqual(t, "DecodeString(%q) = error %v, want %v", p.encoded, err, error(nil))
 		testEqual(t, "DecodeString(%q) = %q, want %q", p.encoded, string(dbuf), p.decoded)
 	}
 }

 func TestDecoder(t *testing.T) {
 	for _, p := range pairs {
 		decoder := NewDecoder(StdEncoding, strings.NewReader(p.encoded))
 		dbuf := make([]byte, StdEncoding.DecodedLen(len(p.encoded)))
 		count, err := decoder.Read(dbuf)
 		if err != nil && err != io.EOF {
 			t.Fatal("Read failed", err)
 		}
 		testEqual(t, "Read from %q = length %v, want %v", p.encoded, count, len(p.decoded))
 		testEqual(t, "Decoding of %q = %q, want %q", p.encoded, string(dbuf[0:count]), p.decoded)
 		if err != io.EOF {
 			count, err = decoder.Read(dbuf)
 		}
 		testEqual(t, "Read from %q = %v, want %v", p.encoded, err, io.EOF)
 	}
 }

 func TestDecoderBuffering(t *testing.T) {
 	for bs := 1; bs <= 12; bs++ {
 		decoder := NewDecoder(StdEncoding, strings.NewReader(bigtest.encoded))
 		buf := make([]byte, len(bigtest.decoded)+12)
 		var total int
 		for total = 0; total < len(bigtest.decoded); {
 			n, err := decoder.Read(buf[total : total+bs])
 			testEqual(t, "Read from %q at pos %d = %d, %v, want _, %v", bigtest.encoded, total, n, err, error(nil))
 			total += n
 		}
 		testEqual(t, "Decoding/%d of %q = %q, want %q", bs, bigtest.encoded, string(buf[0:total]), bigtest.decoded)
 	}
 }

 func TestDecodeCorrupt(t *testing.T) {
 	testCases := []struct {
 		input  string
 		offset int // -1 means no corruption.
 	}{
 		{"", -1},
 		{"!!!!", 0},
 		{"x===", 0},
 		{"AA=A====", 2},
 		{"AAA=AAAA", 3},
 		{"MMMMMMMMM", 8},
 		{"MMMMMM", 0},
 		{"A=", 1},
 		{"AA=", 3},
 		{"AA==", 4},
 		{"AA===", 5},
 		{"AAAA=", 5},
 		{"AAAA==", 6},
 		{"AAAAA=", 6},
 		{"AAAAA==", 7},
 		{"A=======", 1},
 		{"AA======", -1},
 		{"AAA=====", 3},
 		{"AAAA====", -1},
 		{"AAAAA===", -1},
 		{"AAAAAA==", 6},
 		{"AAAAAAA=", -1},
 		{"AAAAAAAA", -1},
 	}
 	for _, tc := range testCases {
 		dbuf := make([]byte, StdEncoding.DecodedLen(len(tc.input)))
 		_, err := StdEncoding.Decode(dbuf, []byte(tc.input))
 		if tc.offset == -1 {
 			if err != nil {
 				t.Error("Decoder wrongly detected corruption in", tc.input)
 			}
 			continue
 		}
 		switch err := err.(type) {
 		case CorruptInputError:
 			testEqual(t, "Corruption in %q at offset %v, want %v", tc.input, int(err), tc.offset)
 		default:
 			t.Error("Decoder failed to detect corruption in", tc)
 		}
 	}
 }

 func TestBig(t *testing.T) {
 	n := 3*1000 + 1
 	raw := make([]byte, n)
 	const alpha = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
 	for i := 0; i < n; i++ {
 		raw[i] = alpha[i%len(alpha)]
 	}
 	encoded := new(bytes.Buffer)
 	w := NewEncoder(StdEncoding, encoded)
 	nn, err := w.Write(raw)
 	if nn != n || err != nil {
 		t.Fatalf("Encoder.Write(raw) = %d, %v want %d, nil", nn, err, n)
 	}
 	err = w.Close()
 	if err != nil {
 		t.Fatalf("Encoder.Close() = %v want nil", err)
 	}
 	decoded, err := ioutil.ReadAll(NewDecoder(StdEncoding, encoded))
 	if err != nil {
 		t.Fatalf("ioutil.ReadAll(NewDecoder(...)): %v", err)
 	}

 	if !bytes.Equal(raw, decoded) {
 		var i int
 		for i = 0; i < len(decoded) && i < len(raw); i++ {
 			if decoded[i] != raw[i] {
 				break
 			}
 		}
 		t.Errorf("Decode(Encode(%d-byte string)) failed at offset %d", n, i)
 	}
 }

 func testStringEncoding(t *testing.T, expected string, examples []string) {
 	for _, e := range examples {
 		buf, err := StdEncoding.DecodeString(e)
 		if err != nil {
 			t.Errorf("Decode(%q) failed: %v", e, err)
 			continue
 		}
 		if s := string(buf); s != expected {
 			t.Errorf("Decode(%q) = %q, want %q", e, s, expected)
 		}
 	}
 }

 func TestNewLineCharacters(t *testing.T) {
 	// Each of these should decode to the string "sure", without errors.
 	examples := []string{
 		"ON2XEZI=",
 		"ON2XEZI=\r",
 		"ON2XEZI=\n",
 		"ON2XEZI=\r\n",
 		"ON2XEZ\r\nI=",
 		"ON2X\rEZ\nI=",
 		"ON2X\nEZ\rI=",
 		"ON2XEZ\nI=",
 		"ON2XEZI\n=",
 	}
 	testStringEncoding(t, "sure", examples)

 	// Each of these should decode to the string "foobar", without errors.
 	examples = []string{
 		"MZXW6YTBOI======",
 		"MZXW6YTBOI=\r\n=====",
 	}
 	testStringEncoding(t, "foobar", examples)
 }

 func TestDecoderIssue4779(t *testing.T) {
 	encoded := `JRXXEZLNEBUXA43VNUQGI33MN5ZCA43JOQQGC3LFOQWCAY3PNZZWKY3UMV2HK4
 RAMFSGS4DJONUWG2LOM4QGK3DJOQWCA43FMQQGI3YKMVUXK43NN5SCA5DFNVYG64RANFXGG2LENFSH
 K3TUEB2XIIDMMFRG64TFEBSXIIDEN5WG64TFEBWWCZ3OMEQGC3DJOF2WCLRAKV2CAZLONFWQUYLEEB
 WWS3TJNUQHMZLONFQW2LBAOF2WS4ZANZXXG5DSOVSCAZLYMVZGG2LUMF2GS33OEB2WY3DBNVRW6IDM
 MFRG64TJOMQG42LTNEQHK5AKMFWGS4LVNFYCAZLYEBSWCIDDN5WW233EN4QGG33OONSXC5LBOQXCAR
 DVNFZSAYLVORSSA2LSOVZGKIDEN5WG64RANFXAU4TFOBZGK2DFNZSGK4TJOQQGS3RAOZXWY5LQORQX
 IZJAOZSWY2LUEBSXG43FEBRWS3DMOVWSAZDPNRXXEZJAMV2SAZTVM5UWC5BANZ2WY3DBBJYGC4TJMF
 2HK4ROEBCXQY3FOB2GK5LSEBZWS3TUEBXWGY3BMVRWC5BAMN2XA2LEMF2GC5BANZXW4IDQOJXWSZDF
 NZ2CYIDTOVXHIIDJNYFGG5LMOBQSA4LVNEQG6ZTGNFRWSYJAMRSXGZLSOVXHIIDNN5WGY2LUEBQW42
 LNEBUWIIDFON2CA3DBMJXXE5LNFY==
 ====`
 	encodedShort := strings.Replace(encoded, "\n", "", -1)

 	dec := NewDecoder(StdEncoding, strings.NewReader(encoded))
 	res1, err := ioutil.ReadAll(dec)
 	if err != nil {
 		t.Errorf("ReadAll failed: %v", err)
 	}

 	dec = NewDecoder(StdEncoding, strings.NewReader(encodedShort))
 	var res2 []byte
 	res2, err = ioutil.ReadAll(dec)
 	if err != nil {
 		t.Errorf("ReadAll failed: %v", err)
 	}

 	if !bytes.Equal(res1, res2) {
 		t.Error("Decoded results not equal")
 	}
 }

 func BenchmarkEncodeToString(b *testing.B) {
 	data := make([]byte, 8192)
 	b.SetBytes(int64(len(data)))
 	for i := 0; i < b.N; i++ {
 		StdEncoding.EncodeToString(data)
 	}
 }

 func BenchmarkDecodeString(b *testing.B) {
 	data := StdEncoding.EncodeToString(make([]byte, 8192))
 	b.SetBytes(int64(len(data)))
 	for i := 0; i < b.N; i++ {
 		StdEncoding.DecodeString(data)
 	}
 }
	// Copyright 2009 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 base32

	import (
	"bytes"
	"io"
	"io/ioutil"
	"strings"
	"testing"
	)

	type testpair struct {
	decoded, encoded string
	}

	var pairs = []testpair{
	// RFC 4648 examples
	{"", ""},
	{"f", "MY======"},
	{"fo", "MZXQ===="},
	{"foo", "MZXW6==="},
	{"foob", "MZXW6YQ="},
	{"fooba", "MZXW6YTB"},
	{"foobar", "MZXW6YTBOI======"},

	// Wikipedia examples, converted to base32
	{"sure.", "ON2XEZJO"},
	{"sure", "ON2XEZI="},
	{"sur", "ON2XE==="},
	{"su", "ON2Q===="},
	{"leasure.", "NRSWC43VOJSS4==="},
	{"easure.", "MVQXG5LSMUXA===="},
	{"asure.", "MFZXK4TFFY======"},
	{"sure.", "ON2XEZJO"},
	}

	var bigtest = testpair{
	"Twas brillig, and the slithy toves",
	"KR3WC4ZAMJZGS3DMNFTSYIDBNZSCA5DIMUQHG3DJORUHSIDUN53GK4Y=",
	}

	func testEqual(t *testing.T, msg string, args ...interface{}) bool {
	if args[len(args)-2] != args[len(args)-1] {
	t.Errorf(msg, args...)
	return false
	}
	return true
	}

	func TestEncode(t *testing.T) {
	for _, p := range pairs {
	got := StdEncoding.EncodeToString([]byte(p.decoded))
	testEqual(t, "Encode(%q) = %q, want %q", p.decoded, got, p.encoded)
	}
	}

	func TestEncoder(t *testing.T) {
	for _, p := range pairs {
	bb := &bytes.Buffer{}
	encoder := NewEncoder(StdEncoding, bb)
	encoder.Write([]byte(p.decoded))
	encoder.Close()
	testEqual(t, "Encode(%q) = %q, want %q", p.decoded, bb.String(), p.encoded)
	}
	}

	func TestEncoderBuffering(t *testing.T) {
	input := []byte(bigtest.decoded)
	for bs := 1; bs <= 12; bs++ {
	bb := &bytes.Buffer{}
	encoder := NewEncoder(StdEncoding, bb)
	for pos := 0; pos < len(input); pos += bs {
	end := pos + bs
	if end > len(input) {
	end = len(input)
	}
	n, err := encoder.Write(input[pos:end])
	testEqual(t, "Write(%q) gave error %v, want %v", input[pos:end], err, error(nil))
	testEqual(t, "Write(%q) gave length %v, want %v", input[pos:end], n, end-pos)
	}
	err := encoder.Close()
	testEqual(t, "Close gave error %v, want %v", err, error(nil))
	testEqual(t, "Encoding/%d of %q = %q, want %q", bs, bigtest.decoded, bb.String(), bigtest.encoded)
	}
	}

	func TestDecode(t *testing.T) {
	for _, p := range pairs {
	dbuf := make([]byte, StdEncoding.DecodedLen(len(p.encoded)))
	count, end, err := StdEncoding.decode(dbuf, []byte(p.encoded))
	testEqual(t, "Decode(%q) = error %v, want %v", p.encoded, err, error(nil))
	testEqual(t, "Decode(%q) = length %v, want %v", p.encoded, count, len(p.decoded))
	if len(p.encoded) > 0 {
	testEqual(t, "Decode(%q) = end %v, want %v", p.encoded, end, (p.encoded[len(p.encoded)-1] == '='))
	}
	testEqual(t, "Decode(%q) = %q, want %q", p.encoded,
	string(dbuf[0:count]),
	p.decoded)

	dbuf, err = StdEncoding.DecodeString(p.encoded)
	testEqual(t, "DecodeString(%q) = error %v, want %v", p.encoded, err, error(nil))
	testEqual(t, "DecodeString(%q) = %q, want %q", p.encoded, string(dbuf), p.decoded)
	}
	}

	func TestDecoder(t *testing.T) {
	for _, p := range pairs {
	decoder := NewDecoder(StdEncoding, strings.NewReader(p.encoded))
	dbuf := make([]byte, StdEncoding.DecodedLen(len(p.encoded)))
	count, err := decoder.Read(dbuf)
	if err != nil && err != io.EOF {
	t.Fatal("Read failed", err)
	}
	testEqual(t, "Read from %q = length %v, want %v", p.encoded, count, len(p.decoded))
	testEqual(t, "Decoding of %q = %q, want %q", p.encoded, string(dbuf[0:count]), p.decoded)
	if err != io.EOF {
	count, err = decoder.Read(dbuf)
	}
	testEqual(t, "Read from %q = %v, want %v", p.encoded, err, io.EOF)
	}
	}

	func TestDecoderBuffering(t *testing.T) {
	for bs := 1; bs <= 12; bs++ {
	decoder := NewDecoder(StdEncoding, strings.NewReader(bigtest.encoded))
	buf := make([]byte, len(bigtest.decoded)+12)
	var total int
	for total = 0; total < len(bigtest.decoded); {
	n, err := decoder.Read(buf[total : total+bs])
	testEqual(t, "Read from %q at pos %d = %d, %v, want _, %v", bigtest.encoded, total, n, err, error(nil))
	total += n
	}
	testEqual(t, "Decoding/%d of %q = %q, want %q", bs, bigtest.encoded, string(buf[0:total]), bigtest.decoded)
	}
	}

	func TestDecodeCorrupt(t *testing.T) {
	testCases := []struct {
	input string
	offset int // -1 means no corruption.
	}{
	{"", -1},
	{"!!!!", 0},
	{"x===", 0},
	{"AA=A====", 2},
	{"AAA=AAAA", 3},
	{"MMMMMMMMM", 8},
	{"MMMMMM", 0},
	{"A=", 1},
	{"AA=", 3},
	{"AA==", 4},
	{"AA===", 5},
	{"AAAA=", 5},
	{"AAAA==", 6},
	{"AAAAA=", 6},
	{"AAAAA==", 7},
	{"A=======", 1},
	{"AA======", -1},
	{"AAA=====", 3},
	{"AAAA====", -1},
	{"AAAAA===", -1},
	{"AAAAAA==", 6},
	{"AAAAAAA=", -1},
	{"AAAAAAAA", -1},
	}
	for _, tc := range testCases {
	dbuf := make([]byte, StdEncoding.DecodedLen(len(tc.input)))
	_, err := StdEncoding.Decode(dbuf, []byte(tc.input))
	if tc.offset == -1 {
	if err != nil {
	t.Error("Decoder wrongly detected corruption in", tc.input)
	}
	continue
	}
	switch err := err.(type) {
	case CorruptInputError:
	testEqual(t, "Corruption in %q at offset %v, want %v", tc.input, int(err), tc.offset)
	default:
	t.Error("Decoder failed to detect corruption in", tc)
	}
	}
	}

	func TestBig(t *testing.T) {
	n := 3*1000 + 1
	raw := make([]byte, n)
	const alpha = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
	for i := 0; i < n; i++ {
	raw[i] = alpha[i%len(alpha)]
	}
	encoded := new(bytes.Buffer)
	w := NewEncoder(StdEncoding, encoded)
	nn, err := w.Write(raw)
	if nn != n \|\| err != nil {
	t.Fatalf("Encoder.Write(raw) = %d, %v want %d, nil", nn, err, n)
	}
	err = w.Close()
	if err != nil {
	t.Fatalf("Encoder.Close() = %v want nil", err)
	}
	decoded, err := ioutil.ReadAll(NewDecoder(StdEncoding, encoded))
	if err != nil {
	t.Fatalf("ioutil.ReadAll(NewDecoder(...)): %v", err)
	}

	if !bytes.Equal(raw, decoded) {
	var i int
	for i = 0; i < len(decoded) && i < len(raw); i++ {
	if decoded[i] != raw[i] {
	break
	}
	}
	t.Errorf("Decode(Encode(%d-byte string)) failed at offset %d", n, i)
	}
	}

	func testStringEncoding(t *testing.T, expected string, examples []string) {
	for _, e := range examples {
	buf, err := StdEncoding.DecodeString(e)
	if err != nil {
	t.Errorf("Decode(%q) failed: %v", e, err)
	continue
	}
	if s := string(buf); s != expected {
	t.Errorf("Decode(%q) = %q, want %q", e, s, expected)
	}
	}
	}

	func TestNewLineCharacters(t *testing.T) {
	// Each of these should decode to the string "sure", without errors.
	examples := []string{
	"ON2XEZI=",
	"ON2XEZI=\r",
	"ON2XEZI=\n",
	"ON2XEZI=\r\n",
	"ON2XEZ\r\nI=",
	"ON2X\rEZ\nI=",
	"ON2X\nEZ\rI=",
	"ON2XEZ\nI=",
	"ON2XEZI\n=",
	}
	testStringEncoding(t, "sure", examples)

	// Each of these should decode to the string "foobar", without errors.
	examples = []string{
	"MZXW6YTBOI======",
	"MZXW6YTBOI=\r\n=====",
	}
	testStringEncoding(t, "foobar", examples)
	}

	func TestDecoderIssue4779(t *testing.T) {
	encoded := `JRXXEZLNEBUXA43VNUQGI33MN5ZCA43JOQQGC3LFOQWCAY3PNZZWKY3UMV2HK4
	RAMFSGS4DJONUWG2LOM4QGK3DJOQWCA43FMQQGI3YKMVUXK43NN5SCA5DFNVYG64RANFXGG2LENFSH
	K3TUEB2XIIDMMFRG64TFEBSXIIDEN5WG64TFEBWWCZ3OMEQGC3DJOF2WCLRAKV2CAZLONFWQUYLEEB
	WWS3TJNUQHMZLONFQW2LBAOF2WS4ZANZXXG5DSOVSCAZLYMVZGG2LUMF2GS33OEB2WY3DBNVRW6IDM
	MFRG64TJOMQG42LTNEQHK5AKMFWGS4LVNFYCAZLYEBSWCIDDN5WW233EN4QGG33OONSXC5LBOQXCAR
	DVNFZSAYLVORSSA2LSOVZGKIDEN5WG64RANFXAU4TFOBZGK2DFNZSGK4TJOQQGS3RAOZXWY5LQORQX
	IZJAOZSWY2LUEBSXG43FEBRWS3DMOVWSAZDPNRXXEZJAMV2SAZTVM5UWC5BANZ2WY3DBBJYGC4TJMF
	2HK4ROEBCXQY3FOB2GK5LSEBZWS3TUEBXWGY3BMVRWC5BAMN2XA2LEMF2GC5BANZXW4IDQOJXWSZDF
	NZ2CYIDTOVXHIIDJNYFGG5LMOBQSA4LVNEQG6ZTGNFRWSYJAMRSXGZLSOVXHIIDNN5WGY2LUEBQW42
	LNEBUWIIDFON2CA3DBMJXXE5LNFY==
	====`
	encodedShort := strings.Replace(encoded, "\n", "", -1)

	dec := NewDecoder(StdEncoding, strings.NewReader(encoded))
	res1, err := ioutil.ReadAll(dec)
	if err != nil {
	t.Errorf("ReadAll failed: %v", err)
	}

	dec = NewDecoder(StdEncoding, strings.NewReader(encodedShort))
	var res2 []byte
	res2, err = ioutil.ReadAll(dec)
	if err != nil {
	t.Errorf("ReadAll failed: %v", err)
	}

	if !bytes.Equal(res1, res2) {
	t.Error("Decoded results not equal")
	}
	}

	func BenchmarkEncodeToString(b *testing.B) {
	data := make([]byte, 8192)
	b.SetBytes(int64(len(data)))
	for i := 0; i < b.N; i++ {
	StdEncoding.EncodeToString(data)
	}
	}

	func BenchmarkDecodeString(b *testing.B) {
	data := StdEncoding.EncodeToString(make([]byte, 8192))
	b.SetBytes(int64(len(data)))
	for i := 0; i < b.N; i++ {
	StdEncoding.DecodeString(data)
	}
	}