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crypto/tls: add 3DES ciphersuites

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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 0078a89874
commit 0d32935135
3 changed files with 218 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
cipher_suites.go
View File

@ -7,6 +7,7 @@ package tls
import ( import (
"crypto/aes" "crypto/aes"
"crypto/cipher" "crypto/cipher"
"crypto/des"
"crypto/hmac" "crypto/hmac"
"crypto/rc4" "crypto/rc4"
"crypto/sha1" "crypto/sha1"
@ -51,10 +52,12 @@ type cipherSuite struct {
} }
var cipherSuites = map[uint16]*cipherSuite{ var cipherSuites = map[uint16]*cipherSuite{
TLS_RSA_WITH_RC4_128_SHA: &cipherSuite{16, 20, 0, rsaKA, false, cipherRC4, macSHA1}, 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_RSA_WITH_3DES_EDE_CBC_SHA: &cipherSuite{24, 20, 8, rsaKA, false, cipher3DES, macSHA1},
TLS_ECDHE_RSA_WITH_RC4_128_SHA: &cipherSuite{16, 20, 0, ecdheRSAKA, true, cipherRC4, macSHA1}, TLS_RSA_WITH_AES_128_CBC_SHA: &cipherSuite{16, 20, 16, rsaKA, false, cipherAES, macSHA1},
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA: &cipherSuite{16, 20, 16, ecdheRSAKA, true, 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{} { func cipherRC4(key, iv []byte, isRead bool) interface{} {
@ -62,6 +65,14 @@ func cipherRC4(key, iv []byte, isRead bool) interface{} {
return cipher 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{} { func cipherAES(key, iv []byte, isRead bool) interface{} {
block, _ := aes.NewCipher(key) block, _ := aes.NewCipher(key)
if isRead { 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 // A list of the possible cipher suite ids. Taken from
// http://www.iana.org/assignments/tls-parameters/tls-parameters.xml // http://www.iana.org/assignments/tls-parameters/tls-parameters.xml
const ( const (
TLS_RSA_WITH_RC4_128_SHA uint16 = 0x0005 TLS_RSA_WITH_RC4_128_SHA uint16 = 0x0005
TLS_RSA_WITH_AES_128_CBC_SHA uint16 = 0x002f TLS_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0x000a
TLS_ECDHE_RSA_WITH_RC4_128_SHA uint16 = 0xc011 TLS_RSA_WITH_AES_128_CBC_SHA uint16 = 0x002f
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA uint16 = 0xc013 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
handshake_server_test.go
View File

@ -13,6 +13,8 @@ import (
"io" "io"
"net" "net"
"os" "os"
"strconv"
"strings"
"testing" "testing"
) )
@ -136,6 +138,13 @@ func TestHandshakeServerRC4(t *testing.T) {
testServerScript(t, "RC4", rc4ServerScript, testConfig) 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) { func TestHandshakeServerAES(t *testing.T) {
aesConfig := new(Config) aesConfig := new(Config)
*aesConfig = *testConfig *aesConfig = *testConfig
@ -148,12 +157,25 @@ func TestHandshakeServerSSLv3(t *testing.T) {
} }
var serve = flag.Bool("serve", false, "run a TLS server on :10443") 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) { func TestRunServer(t *testing.T) {
if !*serve { if !*serve {
return 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) l, err := Listen("tcp", ":10443", testConfig)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
@ -361,6 +383,179 @@ var rc4ServerScript = [][]byte{
}, },
} }
var des3ServerScript = [][]byte{
{
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},
{
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},
}
var aesServerScript = [][]byte{ var aesServerScript = [][]byte{
{ {
0x16, 0x03, 0x02, 0x00, 0x7f, 0x01, 0x00, 0x00, 0x16, 0x03, 0x02, 0x00, 0x7f, 0x01, 0x00, 0x00,

2
parse-gnutls-cli-debug-log.py
View File

@ -35,6 +35,8 @@ for line in sys.stdin.readlines():
bs = line.split() bs = line.split()
for b in bs: for b in bs:
currentBlock.append(int(b, 16)) currentBlock.append(int(b, 16))
elif line.startswith("|<7>| RB-PEEK: Read 1 bytes"):
currentBlock = currentBlock[:-1]
if len(currentBlock) > 0: if len(currentBlock) > 0:
blocks.append(currentBlock) blocks.append(currentBlock)