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Code Releases Activity

crypto/tls: add 3DES ciphersuites

Browse Source 
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
This commit is contained in:
Louis Kruger 2011-10-11 13:07:32 -04:00 committed by Russ Cox
parent 3b654b1cc4
commit 690d59fa3e
3 changed files with 218 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/pkg/crypto/tls/cipher_suites.go
View File

@ -7,6 +7,7 @@ package tls
import (
"crypto/aes"
"crypto/cipher"
"crypto/des"
"crypto/hmac"
"crypto/rc4"
"crypto/sha1"
@ -52,8 +53,10 @@ 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_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},
}
@ -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 {
@ -164,7 +175,9 @@ func mutualCipherSuite(have []uint16, want uint16) (suite *cipherSuite, id uint1
// http://www.iana.org/assignments/tls-parameters/tls-parameters.xml
const (
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
src/pkg/crypto/tls/handshake_server_test.go
View File

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

2
src/pkg/crypto/tls/parse-gnutls-cli-debug-log.py
View File

@ -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)