>>> Flow 1 (client to server)
00000000  16 03 01 00 fe 01 00 00  fa 03 03 00 00 00 00 00  |................|
00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000020  00 00 00 00 00 00 00 00  00 00 00 20 00 00 00 00  |........... ....|
00000030  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000040  00 00 00 00 00 00 00 00  00 00 00 00 00 32 cc a9  |.............2..|

000002b0  bd 42 d4 db fe 3d 13 60  84 5c 21 d3 3b e9 fa e7  |.B...=.`.\!.;...|
000002c0  16 03 01 00 aa 0c 00 00  a6 03 00 1d 20 ad a7 d5  |............ ...|
000002d0  fc 63 e1 22 f8 1f 8d ad  50 09 1a 92 a4 57 ea 88  |.c."....P....W..|
000002e0  6d 9c 20 70 f1 8b 85 15  ec 8e b2 b3 07 00 80 b1  |m. p............|
000002f0  03 03 a7 cf 8f 73 e2 a3  29 0d 55 4a 06 72 db e5  |.....s..).UJ.r..|

func TestDeriveSecret(t *testing.T) {
	chTranscript := cipherSuitesTLS13[0].hash.New()
	chTranscript.Write(parseVector(`
	payload (512 octets):  01 00 01 fc 03 03 1b c3 ce b6 bb e3 9c ff
	93 83 55 b5 a5 0a db 6d b2 1b 7a 6a f6 49 d7 b4 bc 41 9d 78 76
	48 7d 95 00 00 06 13 01 13 03 13 02 01 00 01 cd 00 00 00 0b 00
	09 00 00 06 73 65 72 76 65 72 ff 01 00 01 00 00 0a 00 14 00 12
	00 1d 00 17 00 18 00 19 01 00 01 01 01 02 01 03 01 04 00 33 00

// getAbbrs finds timezone abbreviations (standard and daylight saving time)
// for location l.
func getAbbrs(l *time.Location) (st, dt string) {
	t := time.Date(time.Now().Year(), 0, 1, 0, 0, 0, 0, l)
	abbr1, off1 := t.Zone()
	for i := 0; i < 12; i++ {
		t = t.AddDate(0, 1, 0)
		abbr2, off2 := t.Zone()
		if abbr1 != abbr2 {
			if off2-off1 < 0 { // southern hemisphere
				abbr1, abbr2 = abbr2, abbr1

		nil,
	},
	{
		IP{0x20, 0x1, 0, 0, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0x1},
		"2001::1:0:0:1",
		[]byte("2001::1:0:0:1"),
		nil,
	},
	{
		IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0},
		"2001:db8:0:0:1::",
		[]byte("2001:db8:0:0:1::"),
		nil,
	},
	{
		IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0x1},
		"2001:db8::1:0:0:1",

    --snippet-highlight-color: #f7c590;
    /* Border colors for structural elements and user defined tables */
    --border-color: #ededed;
    --table-border-color: #000000;
    /* Search input colors */
    --search-input-background-color: #ffffff;
    --search-input-text-color: #000000;
    --search-input-placeholder-color: #909090;
    /* Highlight color for active search tag target */
    --search-tag-highlight-color: #ffff00;

	// Reserved uint16 =  0x0050-58
	// Reserved uint16 =  0x0059-5C
	// Unassigned uint16 =  0x005D-5F
	// Reserved uint16 =  0x0060-66
	http2cipher_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 uint16 = 0x0067
	http2cipher_TLS_DH_DSS_WITH_AES_256_CBC_SHA256  uint16 = 0x0068
	http2cipher_TLS_DH_RSA_WITH_AES_256_CBC_SHA256  uint16 = 0x0069
	http2cipher_TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 uint16 = 0x006A

>>> Flow 1 (client to server)
00000000  16 03 01 00 fe 01 00 00  fa 03 03 00 00 00 00 00  |................|
00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000020  00 00 00 00 00 00 00 00  00 00 00 20 00 00 00 00  |........... ....|
00000030  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000040  00 00 00 00 00 00 00 00  00 00 00 00 00 32 cc a9  |.............2..|

>>> Flow 1 (client to server)
00000000  16 03 01 00 fe 01 00 00  fa 03 03 00 00 00 00 00  |................|
00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000020  00 00 00 00 00 00 00 00  00 00 00 20 00 00 00 00  |........... ....|
00000030  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000040  00 00 00 00 00 00 00 00  00 00 00 00 00 32 cc a9  |.............2..|

	// All uint64s must be nonzero, or we would have aborted above.
outer:
	for i := 0; i < len(b); i++ {
		x := b[i]

		// Look inside this uint64. We have a pattern like
		// 000000 1xxxxx1 000000
		// We need to look inside the 1xxxxx1 for any contiguous
		// region of zeros.

		// We already know the trailing zeros are no larger than max. Remove them.
		x >>= sys.TrailingZeros64(x) & 63