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Source file src/crypto/tls/prf_test.go

Documentation: crypto/tls

  // 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 tls
  
  import (
  	"encoding/hex"
  	"testing"
  )
  
  type testSplitPreMasterSecretTest struct {
  	in, out1, out2 string
  }
  
  var testSplitPreMasterSecretTests = []testSplitPreMasterSecretTest{
  	{"", "", ""},
  	{"00", "00", "00"},
  	{"0011", "00", "11"},
  	{"001122", "0011", "1122"},
  	{"00112233", "0011", "2233"},
  }
  
  func TestSplitPreMasterSecret(t *testing.T) {
  	for i, test := range testSplitPreMasterSecretTests {
  		in, _ := hex.DecodeString(test.in)
  		out1, out2 := splitPreMasterSecret(in)
  		s1 := hex.EncodeToString(out1)
  		s2 := hex.EncodeToString(out2)
  		if s1 != test.out1 || s2 != test.out2 {
  			t.Errorf("#%d: got: (%s, %s) want: (%s, %s)", i, s1, s2, test.out1, test.out2)
  		}
  	}
  }
  
  type testKeysFromTest struct {
  	version                    uint16
  	suite                      *cipherSuite
  	preMasterSecret            string
  	clientRandom, serverRandom string
  	masterSecret               string
  	clientMAC, serverMAC       string
  	clientKey, serverKey       string
  	macLen, keyLen             int
  }
  
  func TestKeysFromPreMasterSecret(t *testing.T) {
  	for i, test := range testKeysFromTests {
  		in, _ := hex.DecodeString(test.preMasterSecret)
  		clientRandom, _ := hex.DecodeString(test.clientRandom)
  		serverRandom, _ := hex.DecodeString(test.serverRandom)
  
  		masterSecret := masterFromPreMasterSecret(test.version, test.suite, in, clientRandom, serverRandom)
  		if s := hex.EncodeToString(masterSecret); s != test.masterSecret {
  			t.Errorf("#%d: bad master secret %s, want %s", i, s, test.masterSecret)
  			continue
  		}
  
  		clientMAC, serverMAC, clientKey, serverKey, _, _ := keysFromMasterSecret(test.version, test.suite, masterSecret, clientRandom, serverRandom, test.macLen, test.keyLen, 0)
  		clientMACString := hex.EncodeToString(clientMAC)
  		serverMACString := hex.EncodeToString(serverMAC)
  		clientKeyString := hex.EncodeToString(clientKey)
  		serverKeyString := hex.EncodeToString(serverKey)
  		if clientMACString != test.clientMAC ||
  			serverMACString != test.serverMAC ||
  			clientKeyString != test.clientKey ||
  			serverKeyString != test.serverKey {
  			t.Errorf("#%d: got: (%s, %s, %s, %s) want: (%s, %s, %s, %s)", i, clientMACString, serverMACString, clientKeyString, serverKeyString, test.clientMAC, test.serverMAC, test.clientKey, test.serverKey)
  		}
  	}
  }
  
  func cipherSuiteById(id uint16) *cipherSuite {
  	for _, cipherSuite := range cipherSuites {
  		if cipherSuite.id == id {
  			return cipherSuite
  		}
  	}
  	panic("ciphersuite not found")
  }
  
  // These test vectors were generated from GnuTLS using `gnutls-cli --insecure -d 9 `
  var testKeysFromTests = []testKeysFromTest{
  	{
  		VersionTLS10,
  		cipherSuiteById(TLS_RSA_WITH_RC4_128_SHA),
  		"0302cac83ad4b1db3b9ab49ad05957de2a504a634a386fc600889321e1a971f57479466830ac3e6f468e87f5385fa0c5",
  		"4ae66303755184a3917fcb44880605fcc53baa01912b22ed94473fc69cebd558",
  		"4ae663020ec16e6bb5130be918cfcafd4d765979a3136a5d50c593446e4e44db",
  		"3d851bab6e5556e959a16bc36d66cfae32f672bfa9ecdef6096cbb1b23472df1da63dbbd9827606413221d149ed08ceb",
  		"805aaa19b3d2c0a0759a4b6c9959890e08480119",
  		"2d22f9fe519c075c16448305ceee209fc24ad109",
  		"d50b5771244f850cd8117a9ccafe2cf1",
  		"e076e33206b30507a85c32855acd0919",
  		20,
  		16,
  	},
  	{
  		VersionTLS10,
  		cipherSuiteById(TLS_RSA_WITH_RC4_128_SHA),
  		"03023f7527316bc12cbcd69e4b9e8275d62c028f27e65c745cfcddc7ce01bd3570a111378b63848127f1c36e5f9e4890",
  		"4ae66364b5ea56b20ce4e25555aed2d7e67f42788dd03f3fee4adae0459ab106",
  		"4ae66363ab815cbf6a248b87d6b556184e945e9b97fbdf247858b0bdafacfa1c",
  		"7d64be7c80c59b740200b4b9c26d0baaa1c5ae56705acbcf2307fe62beb4728c19392c83f20483801cce022c77645460",
  		"97742ed60a0554ca13f04f97ee193177b971e3b0",
  		"37068751700400e03a8477a5c7eec0813ab9e0dc",
  		"207cddbc600d2a200abac6502053ee5c",
  		"df3f94f6e1eacc753b815fe16055cd43",
  		20,
  		16,
  	},
  	{
  		VersionTLS10,
  		cipherSuiteById(TLS_RSA_WITH_RC4_128_SHA),
  		"832d515f1d61eebb2be56ba0ef79879efb9b527504abb386fb4310ed5d0e3b1f220d3bb6b455033a2773e6d8bdf951d278a187482b400d45deb88a5d5a6bb7d6a7a1decc04eb9ef0642876cd4a82d374d3b6ff35f0351dc5d411104de431375355addc39bfb1f6329fb163b0bc298d658338930d07d313cd980a7e3d9196cac1",
  		"4ae663b2ee389c0de147c509d8f18f5052afc4aaf9699efe8cb05ece883d3a5e",
  		"4ae664d503fd4cff50cfc1fb8fc606580f87b0fcdac9554ba0e01d785bdf278e",
  		"1aff2e7a2c4279d0126f57a65a77a8d9d0087cf2733366699bec27eb53d5740705a8574bb1acc2abbe90e44f0dd28d6c",
  		"3c7647c93c1379a31a609542aa44e7f117a70085",
  		"0d73102994be74a575a3ead8532590ca32a526d4",
  		"ac7581b0b6c10d85bbd905ffbf36c65e",
  		"ff07edde49682b45466bd2e39464b306",
  		20,
  		16,
  	},
  	{
  		VersionSSL30,
  		cipherSuiteById(TLS_RSA_WITH_RC4_128_SHA),
  		"832d515f1d61eebb2be56ba0ef79879efb9b527504abb386fb4310ed5d0e3b1f220d3bb6b455033a2773e6d8bdf951d278a187482b400d45deb88a5d5a6bb7d6a7a1decc04eb9ef0642876cd4a82d374d3b6ff35f0351dc5d411104de431375355addc39bfb1f6329fb163b0bc298d658338930d07d313cd980a7e3d9196cac1",
  		"4ae663b2ee389c0de147c509d8f18f5052afc4aaf9699efe8cb05ece883d3a5e",
  		"4ae664d503fd4cff50cfc1fb8fc606580f87b0fcdac9554ba0e01d785bdf278e",
  		"a614863e56299dcffeea2938f22c2ba023768dbe4b3f6877bc9c346c6ae529b51d9cb87ff9695ea4d01f2205584405b2",
  		"2c450d5b6f6e2013ac6bea6a0b32200d4e1ffb94",
  		"7a7a7438769536f2fb1ae49a61f0703b79b2dc53",
  		"f8f6b26c10f12855c9aafb1e0e839ccf",
  		"2b9d4b4a60cb7f396780ebff50650419",
  		20,
  		16,
  	},
  }
  

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