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Source file src/crypto/tls/prf_test.go

Documentation: crypto/tls

     1  // Copyright 2009 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package tls
     6  
     7  import (
     8  	"encoding/hex"
     9  	"testing"
    10  )
    11  
    12  type testSplitPreMasterSecretTest struct {
    13  	in, out1, out2 string
    14  }
    15  
    16  var testSplitPreMasterSecretTests = []testSplitPreMasterSecretTest{
    17  	{"", "", ""},
    18  	{"00", "00", "00"},
    19  	{"0011", "00", "11"},
    20  	{"001122", "0011", "1122"},
    21  	{"00112233", "0011", "2233"},
    22  }
    23  
    24  func TestSplitPreMasterSecret(t *testing.T) {
    25  	for i, test := range testSplitPreMasterSecretTests {
    26  		in, _ := hex.DecodeString(test.in)
    27  		out1, out2 := splitPreMasterSecret(in)
    28  		s1 := hex.EncodeToString(out1)
    29  		s2 := hex.EncodeToString(out2)
    30  		if s1 != test.out1 || s2 != test.out2 {
    31  			t.Errorf("#%d: got: (%s, %s) want: (%s, %s)", i, s1, s2, test.out1, test.out2)
    32  		}
    33  	}
    34  }
    35  
    36  type testKeysFromTest struct {
    37  	version                    uint16
    38  	suite                      *cipherSuite
    39  	preMasterSecret            string
    40  	clientRandom, serverRandom string
    41  	masterSecret               string
    42  	clientMAC, serverMAC       string
    43  	clientKey, serverKey       string
    44  	macLen, keyLen             int
    45  }
    46  
    47  func TestKeysFromPreMasterSecret(t *testing.T) {
    48  	for i, test := range testKeysFromTests {
    49  		in, _ := hex.DecodeString(test.preMasterSecret)
    50  		clientRandom, _ := hex.DecodeString(test.clientRandom)
    51  		serverRandom, _ := hex.DecodeString(test.serverRandom)
    52  
    53  		masterSecret := masterFromPreMasterSecret(test.version, test.suite, in, clientRandom, serverRandom)
    54  		if s := hex.EncodeToString(masterSecret); s != test.masterSecret {
    55  			t.Errorf("#%d: bad master secret %s, want %s", i, s, test.masterSecret)
    56  			continue
    57  		}
    58  
    59  		clientMAC, serverMAC, clientKey, serverKey, _, _ := keysFromMasterSecret(test.version, test.suite, masterSecret, clientRandom, serverRandom, test.macLen, test.keyLen, 0)
    60  		clientMACString := hex.EncodeToString(clientMAC)
    61  		serverMACString := hex.EncodeToString(serverMAC)
    62  		clientKeyString := hex.EncodeToString(clientKey)
    63  		serverKeyString := hex.EncodeToString(serverKey)
    64  		if clientMACString != test.clientMAC ||
    65  			serverMACString != test.serverMAC ||
    66  			clientKeyString != test.clientKey ||
    67  			serverKeyString != test.serverKey {
    68  			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)
    69  		}
    70  	}
    71  }
    72  
    73  func cipherSuiteById(id uint16) *cipherSuite {
    74  	for _, cipherSuite := range cipherSuites {
    75  		if cipherSuite.id == id {
    76  			return cipherSuite
    77  		}
    78  	}
    79  	panic("ciphersuite not found")
    80  }
    81  
    82  // These test vectors were generated from GnuTLS using `gnutls-cli --insecure -d 9 `
    83  var testKeysFromTests = []testKeysFromTest{
    84  	{
    85  		VersionTLS10,
    86  		cipherSuiteById(TLS_RSA_WITH_RC4_128_SHA),
    87  		"0302cac83ad4b1db3b9ab49ad05957de2a504a634a386fc600889321e1a971f57479466830ac3e6f468e87f5385fa0c5",
    88  		"4ae66303755184a3917fcb44880605fcc53baa01912b22ed94473fc69cebd558",
    89  		"4ae663020ec16e6bb5130be918cfcafd4d765979a3136a5d50c593446e4e44db",
    90  		"3d851bab6e5556e959a16bc36d66cfae32f672bfa9ecdef6096cbb1b23472df1da63dbbd9827606413221d149ed08ceb",
    91  		"805aaa19b3d2c0a0759a4b6c9959890e08480119",
    92  		"2d22f9fe519c075c16448305ceee209fc24ad109",
    93  		"d50b5771244f850cd8117a9ccafe2cf1",
    94  		"e076e33206b30507a85c32855acd0919",
    95  		20,
    96  		16,
    97  	},
    98  	{
    99  		VersionTLS10,
   100  		cipherSuiteById(TLS_RSA_WITH_RC4_128_SHA),
   101  		"03023f7527316bc12cbcd69e4b9e8275d62c028f27e65c745cfcddc7ce01bd3570a111378b63848127f1c36e5f9e4890",
   102  		"4ae66364b5ea56b20ce4e25555aed2d7e67f42788dd03f3fee4adae0459ab106",
   103  		"4ae66363ab815cbf6a248b87d6b556184e945e9b97fbdf247858b0bdafacfa1c",
   104  		"7d64be7c80c59b740200b4b9c26d0baaa1c5ae56705acbcf2307fe62beb4728c19392c83f20483801cce022c77645460",
   105  		"97742ed60a0554ca13f04f97ee193177b971e3b0",
   106  		"37068751700400e03a8477a5c7eec0813ab9e0dc",
   107  		"207cddbc600d2a200abac6502053ee5c",
   108  		"df3f94f6e1eacc753b815fe16055cd43",
   109  		20,
   110  		16,
   111  	},
   112  	{
   113  		VersionTLS10,
   114  		cipherSuiteById(TLS_RSA_WITH_RC4_128_SHA),
   115  		"832d515f1d61eebb2be56ba0ef79879efb9b527504abb386fb4310ed5d0e3b1f220d3bb6b455033a2773e6d8bdf951d278a187482b400d45deb88a5d5a6bb7d6a7a1decc04eb9ef0642876cd4a82d374d3b6ff35f0351dc5d411104de431375355addc39bfb1f6329fb163b0bc298d658338930d07d313cd980a7e3d9196cac1",
   116  		"4ae663b2ee389c0de147c509d8f18f5052afc4aaf9699efe8cb05ece883d3a5e",
   117  		"4ae664d503fd4cff50cfc1fb8fc606580f87b0fcdac9554ba0e01d785bdf278e",
   118  		"1aff2e7a2c4279d0126f57a65a77a8d9d0087cf2733366699bec27eb53d5740705a8574bb1acc2abbe90e44f0dd28d6c",
   119  		"3c7647c93c1379a31a609542aa44e7f117a70085",
   120  		"0d73102994be74a575a3ead8532590ca32a526d4",
   121  		"ac7581b0b6c10d85bbd905ffbf36c65e",
   122  		"ff07edde49682b45466bd2e39464b306",
   123  		20,
   124  		16,
   125  	},
   126  	{
   127  		VersionSSL30,
   128  		cipherSuiteById(TLS_RSA_WITH_RC4_128_SHA),
   129  		"832d515f1d61eebb2be56ba0ef79879efb9b527504abb386fb4310ed5d0e3b1f220d3bb6b455033a2773e6d8bdf951d278a187482b400d45deb88a5d5a6bb7d6a7a1decc04eb9ef0642876cd4a82d374d3b6ff35f0351dc5d411104de431375355addc39bfb1f6329fb163b0bc298d658338930d07d313cd980a7e3d9196cac1",
   130  		"4ae663b2ee389c0de147c509d8f18f5052afc4aaf9699efe8cb05ece883d3a5e",
   131  		"4ae664d503fd4cff50cfc1fb8fc606580f87b0fcdac9554ba0e01d785bdf278e",
   132  		"a614863e56299dcffeea2938f22c2ba023768dbe4b3f6877bc9c346c6ae529b51d9cb87ff9695ea4d01f2205584405b2",
   133  		"2c450d5b6f6e2013ac6bea6a0b32200d4e1ffb94",
   134  		"7a7a7438769536f2fb1ae49a61f0703b79b2dc53",
   135  		"f8f6b26c10f12855c9aafb1e0e839ccf",
   136  		"2b9d4b4a60cb7f396780ebff50650419",
   137  		20,
   138  		16,
   139  	},
   140  }
   141  

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