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crypto/tls: add 3DES ciphersuites 

The following ciphersuites are added:
TLS_RSA_WITH_3DES_EDE_CBC_SHA
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
This change helps conform to the TLS1.1 standard because
the first ciphersuite is "mandatory" in RFC4346

R=golang-dev, agl, rsc
CC=golang-dev
https://golang.org/cl/5164042
tls13
Louis Kruger il y a 13 ans
committed by Russ Cox
Parent
0078a89874
révision
0d32935135
3 fichiers modifiés avec 218 ajouts et 8 suppressions
Vue séparée
Option de Diff
Voir les Statistiques Télécharger le Fichier Patch Télécharger le Fichier des Différences
  1. +21
    -8
      cipher_suites.go
  2. +195
    -0
      handshake_server_test.go
  3. +2
    -0
      parse-gnutls-cli-debug-log.py

+ 21
- 8
cipher_suites.go Voir le fichier

@@ -7,6 +7,7 @@ package tls
import (
"crypto/aes"
"crypto/cipher"
"crypto/des"
"crypto/hmac"
"crypto/rc4"
"crypto/sha1"
@@ -51,10 +52,12 @@ type cipherSuite struct {
}

var cipherSuites = map[uint16]*cipherSuite{
TLS_RSA_WITH_RC4_128_SHA: &cipherSuite{16, 20, 0, rsaKA, false, cipherRC4, macSHA1},
TLS_RSA_WITH_AES_128_CBC_SHA: &cipherSuite{16, 20, 16, rsaKA, false, cipherAES, macSHA1},
TLS_ECDHE_RSA_WITH_RC4_128_SHA: &cipherSuite{16, 20, 0, ecdheRSAKA, true, cipherRC4, macSHA1},
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA: &cipherSuite{16, 20, 16, ecdheRSAKA, true, cipherAES, macSHA1},
TLS_RSA_WITH_RC4_128_SHA: &cipherSuite{16, 20, 0, rsaKA, false, cipherRC4, macSHA1},
TLS_RSA_WITH_3DES_EDE_CBC_SHA: &cipherSuite{24, 20, 8, rsaKA, false, cipher3DES, macSHA1},
TLS_RSA_WITH_AES_128_CBC_SHA: &cipherSuite{16, 20, 16, rsaKA, false, cipherAES, macSHA1},
TLS_ECDHE_RSA_WITH_RC4_128_SHA: &cipherSuite{16, 20, 0, ecdheRSAKA, true, cipherRC4, macSHA1},
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA: &cipherSuite{24, 20, 8, ecdheRSAKA, true, cipher3DES, macSHA1},
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA: &cipherSuite{16, 20, 16, ecdheRSAKA, true, cipherAES, macSHA1},
}

func cipherRC4(key, iv []byte, isRead bool) interface{} {
@@ -62,6 +65,14 @@ func cipherRC4(key, iv []byte, isRead bool) interface{} {
return cipher
}

func cipher3DES(key, iv []byte, isRead bool) interface{} {
block, _ := des.NewTripleDESCipher(key)
if isRead {
return cipher.NewCBCDecrypter(block, iv)
}
return cipher.NewCBCEncrypter(block, iv)
}

func cipherAES(key, iv []byte, isRead bool) interface{} {
block, _ := aes.NewCipher(key)
if isRead {
@@ -163,8 +174,10 @@ func mutualCipherSuite(have []uint16, want uint16) (suite *cipherSuite, id uint1
// A list of the possible cipher suite ids. Taken from
// http://www.iana.org/assignments/tls-parameters/tls-parameters.xml
const (
TLS_RSA_WITH_RC4_128_SHA uint16 = 0x0005
TLS_RSA_WITH_AES_128_CBC_SHA uint16 = 0x002f
TLS_ECDHE_RSA_WITH_RC4_128_SHA uint16 = 0xc011
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA uint16 = 0xc013
TLS_RSA_WITH_RC4_128_SHA uint16 = 0x0005
TLS_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0x000a
TLS_RSA_WITH_AES_128_CBC_SHA uint16 = 0x002f
TLS_ECDHE_RSA_WITH_RC4_128_SHA uint16 = 0xc011
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xc012
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA uint16 = 0xc013
)

+ 195
- 0
handshake_server_test.go Voir le fichier

@@ -13,6 +13,8 @@ import (
"io"
"net"
"os"
"strconv"
"strings"
"testing"
)

@@ -136,6 +138,13 @@ func TestHandshakeServerRC4(t *testing.T) {
testServerScript(t, "RC4", rc4ServerScript, testConfig)
}

func TestHandshakeServer3DES(t *testing.T) {
des3Config := new(Config)
*des3Config = *testConfig
des3Config.CipherSuites = []uint16{TLS_RSA_WITH_3DES_EDE_CBC_SHA}
testServerScript(t, "3DES", des3ServerScript, des3Config)
}

func TestHandshakeServerAES(t *testing.T) {
aesConfig := new(Config)
*aesConfig = *testConfig
@@ -148,12 +157,25 @@ func TestHandshakeServerSSLv3(t *testing.T) {
}

var serve = flag.Bool("serve", false, "run a TLS server on :10443")
var testCipherSuites = flag.String("ciphersuites",
"0x"+strconv.Itob(int(TLS_RSA_WITH_RC4_128_SHA), 16),
"cipher suites to accept in serving mode")

func TestRunServer(t *testing.T) {
if !*serve {
return
}

suites := strings.Split(*testCipherSuites, ",")
testConfig.CipherSuites = make([]uint16, len(suites))
for i := range suites {
suite, err := strconv.Btoui64(suites[i], 0)
if err != nil {
panic(err)
}
testConfig.CipherSuites[i] = uint16(suite)
}

l, err := Listen("tcp", ":10443", testConfig)
if err != nil {
t.Fatal(err)
@@ -361,6 +383,179 @@ var rc4ServerScript = [][]byte{
},
}

var des3ServerScript = [][]byte{
{
0x16, 0x03, 0x02, 0x00, 0x7a, 0x01, 0x00, 0x00,
0x76, 0x03, 0x02, 0x4e, 0x84, 0xf4, 0x3c, 0xe4,
0xb8, 0xc7, 0xa0, 0x30, 0x55, 0x2a, 0xbc, 0xb7,
0x04, 0x6b, 0x6f, 0x87, 0x93, 0x96, 0xbd, 0x1a,
0x7a, 0x1e, 0xce, 0xd2, 0x0d, 0xf3, 0x01, 0x03,
0xbe, 0x7b, 0x17, 0x00, 0x00, 0x34, 0x00, 0x33,
0x00, 0x45, 0x00, 0x39, 0x00, 0x88, 0x00, 0x16,
0x00, 0x32, 0x00, 0x44, 0x00, 0x38, 0x00, 0x87,
0x00, 0x13, 0x00, 0x66, 0x00, 0x90, 0x00, 0x91,
0x00, 0x8f, 0x00, 0x8e, 0x00, 0x2f, 0x00, 0x41,
0x00, 0x35, 0x00, 0x84, 0x00, 0x0a, 0x00, 0x05,
0x00, 0x04, 0x00, 0x8c, 0x00, 0x8d, 0x00, 0x8b,
0x00, 0x8a, 0x01, 0x00, 0x00, 0x19, 0x00, 0x09,
0x00, 0x03, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00,
0x0e, 0x00, 0x0c, 0x00, 0x00, 0x09, 0x6c, 0x6f,
0x63, 0x61, 0x6c, 0x68, 0x6f, 0x73, 0x74,
},

{
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},

{
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{
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},
}

var aesServerScript = [][]byte{
{
0x16, 0x03, 0x02, 0x00, 0x7f, 0x01, 0x00, 0x00,


+ 2
- 0
parse-gnutls-cli-debug-log.py Voir le fichier

@@ -35,6 +35,8 @@ for line in sys.stdin.readlines():
bs = line.split()
for b in bs:
currentBlock.append(int(b, 16))
elif line.startswith("|<7>| RB-PEEK: Read 1 bytes"):
currentBlock = currentBlock[:-1]

if len(currentBlock) > 0:
blocks.append(currentBlock)


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