handshake_test.go

     1  // Copyright 2013 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  	"bufio"
     9  	"bytes"
    10  	"crypto/ed25519"
    11  	"crypto/x509"
    12  	"encoding/hex"
    13  	"errors"
    14  	"flag"
    15  	"fmt"
    16  	"io"
    17  	"net"
    18  	"os"
    19  	"os/exec"
    20  	"runtime"
    21  	"strconv"
    22  	"strings"
    23  	"sync"
    24  	"testing"
    25  	"time"
    26  )
    27  
    28  // TLS reference tests run a connection against a reference implementation
    29  // (OpenSSL) of TLS and record the bytes of the resulting connection. The Go
    30  // code, during a test, is configured with deterministic randomness and so the
    31  // reference test can be reproduced exactly in the future.
    32  //
    33  // In order to save everyone who wishes to run the tests from needing the
    34  // reference implementation installed, the reference connections are saved in
    35  // files in the testdata directory. Thus running the tests involves nothing
    36  // external, but creating and updating them requires the reference
    37  // implementation.
    38  //
    39  // Tests can be updated by running them with the -update flag. This will cause
    40  // the test files for failing tests to be regenerated. Since the reference
    41  // implementation will always generate fresh random numbers, large parts of the
    42  // reference connection will always change.
    43  
    44  var (
    45  	update       = flag.Bool("update", false, "update golden files on failure")
    46  	keyFile      = flag.String("keylog", "", "destination file for KeyLogWriter")
    47  	bogoMode     = flag.Bool("bogo-mode", false, "Enabled bogo shim mode, ignore everything else")
    48  	bogoFilter   = flag.String("bogo-filter", "", "BoGo test filter")
    49  	bogoLocalDir = flag.String("bogo-local-dir", "", "Local BoGo to use, instead of fetching from source")
    50  )
    51  
    52  func runTestAndUpdateIfNeeded(t *testing.T, name string, run func(t *testing.T, update bool), wait bool) {
    53  	// FIPS mode is non-deterministic and so isn't suited for testing against static test transcripts.
    54  	skipFIPS(t)
    55  
    56  	success := t.Run(name, func(t *testing.T) {
    57  		if !*update && !wait {
    58  			t.Parallel()
    59  		}
    60  		run(t, false)
    61  	})
    62  
    63  	if !success && *update {
    64  		t.Run(name+"#update", func(t *testing.T) {
    65  			run(t, true)
    66  		})
    67  	}
    68  }
    69  
    70  // checkOpenSSLVersion ensures that the version of OpenSSL looks reasonable
    71  // before updating the test data.
    72  func checkOpenSSLVersion() error {
    73  	if !*update {
    74  		return nil
    75  	}
    76  
    77  	openssl := exec.Command("openssl", "version")
    78  	output, err := openssl.CombinedOutput()
    79  	if err != nil {
    80  		return err
    81  	}
    82  
    83  	version := string(output)
    84  	if strings.HasPrefix(version, "OpenSSL 1.1.1") {
    85  		return nil
    86  	}
    87  
    88  	println("***********************************************")
    89  	println("")
    90  	println("You need to build OpenSSL 1.1.1 from source in order")
    91  	println("to update the test data.")
    92  	println("")
    93  	println("Configure it with:")
    94  	println("./Configure enable-weak-ssl-ciphers no-shared")
    95  	println("and then add the apps/ directory at the front of your PATH.")
    96  	println("***********************************************")
    97  
    98  	return errors.New("version of OpenSSL does not appear to be suitable for updating test data")
    99  }
   100  
   101  // recordingConn is a net.Conn that records the traffic that passes through it.
   102  // WriteTo can be used to produce output that can be later be loaded with
   103  // ParseTestData.
   104  type recordingConn struct {
   105  	net.Conn
   106  	sync.Mutex
   107  	flows   [][]byte
   108  	reading bool
   109  }
   110  
   111  func (r *recordingConn) Read(b []byte) (n int, err error) {
   112  	if n, err = r.Conn.Read(b); n == 0 {
   113  		return
   114  	}
   115  	b = b[:n]
   116  
   117  	r.Lock()
   118  	defer r.Unlock()
   119  
   120  	if l := len(r.flows); l == 0 || !r.reading {
   121  		buf := make([]byte, len(b))
   122  		copy(buf, b)
   123  		r.flows = append(r.flows, buf)
   124  	} else {
   125  		r.flows[l-1] = append(r.flows[l-1], b[:n]...)
   126  	}
   127  	r.reading = true
   128  	return
   129  }
   130  
   131  func (r *recordingConn) Write(b []byte) (n int, err error) {
   132  	if n, err = r.Conn.Write(b); n == 0 {
   133  		return
   134  	}
   135  	b = b[:n]
   136  
   137  	r.Lock()
   138  	defer r.Unlock()
   139  
   140  	if l := len(r.flows); l == 0 || r.reading {
   141  		buf := make([]byte, len(b))
   142  		copy(buf, b)
   143  		r.flows = append(r.flows, buf)
   144  	} else {
   145  		r.flows[l-1] = append(r.flows[l-1], b[:n]...)
   146  	}
   147  	r.reading = false
   148  	return
   149  }
   150  
   151  // WriteTo writes Go source code to w that contains the recorded traffic.
   152  func (r *recordingConn) WriteTo(w io.Writer) (int64, error) {
   153  	// TLS always starts with a client to server flow.
   154  	clientToServer := true
   155  	var written int64
   156  	for i, flow := range r.flows {
   157  		source, dest := "client", "server"
   158  		if !clientToServer {
   159  			source, dest = dest, source
   160  		}
   161  		n, err := fmt.Fprintf(w, ">>> Flow %d (%s to %s)\n", i+1, source, dest)
   162  		written += int64(n)
   163  		if err != nil {
   164  			return written, err
   165  		}
   166  		dumper := hex.Dumper(w)
   167  		n, err = dumper.Write(flow)
   168  		written += int64(n)
   169  		if err != nil {
   170  			return written, err
   171  		}
   172  		err = dumper.Close()
   173  		if err != nil {
   174  			return written, err
   175  		}
   176  		clientToServer = !clientToServer
   177  	}
   178  	return written, nil
   179  }
   180  
   181  func parseTestData(r io.Reader) (flows [][]byte, err error) {
   182  	var currentFlow []byte
   183  
   184  	scanner := bufio.NewScanner(r)
   185  	for scanner.Scan() {
   186  		line := scanner.Text()
   187  		// If the line starts with ">>> " then it marks the beginning
   188  		// of a new flow.
   189  		if strings.HasPrefix(line, ">>> ") {
   190  			if len(currentFlow) > 0 || len(flows) > 0 {
   191  				flows = append(flows, currentFlow)
   192  				currentFlow = nil
   193  			}
   194  			continue
   195  		}
   196  
   197  		// Otherwise the line is a line of hex dump that looks like:
   198  		// 00000170  fc f5 06 bf (...)  |.....X{&?......!|
   199  		// (Some bytes have been omitted from the middle section.)
   200  		_, after, ok := strings.Cut(line, " ")
   201  		if !ok {
   202  			return nil, errors.New("invalid test data")
   203  		}
   204  		line = after
   205  
   206  		before, _, ok := strings.Cut(line, "|")
   207  		if !ok {
   208  			return nil, errors.New("invalid test data")
   209  		}
   210  		line = before
   211  
   212  		hexBytes := strings.Fields(line)
   213  		for _, hexByte := range hexBytes {
   214  			val, err := strconv.ParseUint(hexByte, 16, 8)
   215  			if err != nil {
   216  				return nil, errors.New("invalid hex byte in test data: " + err.Error())
   217  			}
   218  			currentFlow = append(currentFlow, byte(val))
   219  		}
   220  	}
   221  
   222  	if len(currentFlow) > 0 {
   223  		flows = append(flows, currentFlow)
   224  	}
   225  
   226  	return flows, nil
   227  }
   228  
   229  // replayingConn is a net.Conn that replays flows recorded by recordingConn.
   230  type replayingConn struct {
   231  	t testing.TB
   232  	sync.Mutex
   233  	flows   [][]byte
   234  	reading bool
   235  }
   236  
   237  var _ net.Conn = (*replayingConn)(nil)
   238  
   239  func (r *replayingConn) Read(b []byte) (n int, err error) {
   240  	r.Lock()
   241  	defer r.Unlock()
   242  
   243  	if !r.reading {
   244  		r.t.Errorf("expected write, got read")
   245  		return 0, fmt.Errorf("recording expected write, got read")
   246  	}
   247  
   248  	n = copy(b, r.flows[0])
   249  	r.flows[0] = r.flows[0][n:]
   250  	if len(r.flows[0]) == 0 {
   251  		r.flows = r.flows[1:]
   252  		if len(r.flows) == 0 {
   253  			return n, io.EOF
   254  		} else {
   255  			r.reading = false
   256  		}
   257  	}
   258  	return n, nil
   259  }
   260  
   261  func (r *replayingConn) Write(b []byte) (n int, err error) {
   262  	r.Lock()
   263  	defer r.Unlock()
   264  
   265  	if r.reading {
   266  		r.t.Errorf("expected read, got write")
   267  		return 0, fmt.Errorf("recording expected read, got write")
   268  	}
   269  
   270  	if !bytes.HasPrefix(r.flows[0], b) {
   271  		r.t.Errorf("write mismatch: expected %x, got %x", r.flows[0], b)
   272  		return 0, fmt.Errorf("write mismatch")
   273  	}
   274  	r.flows[0] = r.flows[0][len(b):]
   275  	if len(r.flows[0]) == 0 {
   276  		r.flows = r.flows[1:]
   277  		r.reading = true
   278  	}
   279  	return len(b), nil
   280  }
   281  
   282  func (r *replayingConn) Close() error {
   283  	r.Lock()
   284  	defer r.Unlock()
   285  
   286  	if len(r.flows) > 0 {
   287  		r.t.Errorf("closed with unfinished flows")
   288  		return fmt.Errorf("unexpected close")
   289  	}
   290  	return nil
   291  }
   292  
   293  func (r *replayingConn) LocalAddr() net.Addr                { return nil }
   294  func (r *replayingConn) RemoteAddr() net.Addr               { return nil }
   295  func (r *replayingConn) SetDeadline(t time.Time) error      { return nil }
   296  func (r *replayingConn) SetReadDeadline(t time.Time) error  { return nil }
   297  func (r *replayingConn) SetWriteDeadline(t time.Time) error { return nil }
   298  
   299  // tempFile creates a temp file containing contents and returns its path.
   300  func tempFile(contents string) string {
   301  	file, err := os.CreateTemp("", "go-tls-test")
   302  	if err != nil {
   303  		panic("failed to create temp file: " + err.Error())
   304  	}
   305  	path := file.Name()
   306  	file.WriteString(contents)
   307  	file.Close()
   308  	return path
   309  }
   310  
   311  // localListener is set up by TestMain and used by localPipe to create Conn
   312  // pairs like net.Pipe, but connected by an actual buffered TCP connection.
   313  var localListener struct {
   314  	mu   sync.Mutex
   315  	addr net.Addr
   316  	ch   chan net.Conn
   317  }
   318  
   319  const localFlakes = 0 // change to 1 or 2 to exercise localServer/localPipe handling of mismatches
   320  
   321  func localServer(l net.Listener) {
   322  	for n := 0; ; n++ {
   323  		c, err := l.Accept()
   324  		if err != nil {
   325  			return
   326  		}
   327  		if localFlakes == 1 && n%2 == 0 {
   328  			c.Close()
   329  			continue
   330  		}
   331  		localListener.ch <- c
   332  	}
   333  }
   334  
   335  var isConnRefused = func(err error) bool { return false }
   336  
   337  func localPipe(t testing.TB) (net.Conn, net.Conn) {
   338  	localListener.mu.Lock()
   339  	defer localListener.mu.Unlock()
   340  
   341  	addr := localListener.addr
   342  
   343  	var err error
   344  Dialing:
   345  	// We expect a rare mismatch, but probably not 5 in a row.
   346  	for i := 0; i < 5; i++ {
   347  		tooSlow := time.NewTimer(1 * time.Second)
   348  		defer tooSlow.Stop()
   349  		var c1 net.Conn
   350  		c1, err = net.Dial(addr.Network(), addr.String())
   351  		if err != nil {
   352  			if runtime.GOOS == "dragonfly" && (isConnRefused(err) || os.IsTimeout(err)) {
   353  				// golang.org/issue/29583: Dragonfly sometimes returns a spurious
   354  				// ECONNREFUSED or ETIMEDOUT.
   355  				<-tooSlow.C
   356  				continue
   357  			}
   358  			t.Fatalf("localPipe: %v", err)
   359  		}
   360  		if localFlakes == 2 && i == 0 {
   361  			c1.Close()
   362  			continue
   363  		}
   364  		for {
   365  			select {
   366  			case <-tooSlow.C:
   367  				t.Logf("localPipe: timeout waiting for %v", c1.LocalAddr())
   368  				c1.Close()
   369  				continue Dialing
   370  
   371  			case c2 := <-localListener.ch:
   372  				if c2.RemoteAddr().String() == c1.LocalAddr().String() {
   373  					t.Cleanup(func() { c1.Close() })
   374  					t.Cleanup(func() { c2.Close() })
   375  					return c1, c2
   376  				}
   377  				t.Logf("localPipe: unexpected connection: %v != %v", c2.RemoteAddr(), c1.LocalAddr())
   378  				c2.Close()
   379  			}
   380  		}
   381  	}
   382  
   383  	t.Fatalf("localPipe: failed to connect: %v", err)
   384  	panic("unreachable")
   385  }
   386  
   387  // zeroSource is an io.Reader that returns an unlimited number of zero bytes.
   388  type zeroSource struct{}
   389  
   390  func (zeroSource) Read(b []byte) (n int, err error) {
   391  	clear(b)
   392  	return len(b), nil
   393  }
   394  
   395  func allCipherSuites() []uint16 {
   396  	ids := make([]uint16, len(cipherSuites))
   397  	for i, suite := range cipherSuites {
   398  		ids[i] = suite.id
   399  	}
   400  
   401  	return ids
   402  }
   403  
   404  var testConfig *Config
   405  
   406  func TestMain(m *testing.M) {
   407  	flag.Usage = func() {
   408  		fmt.Fprintf(flag.CommandLine.Output(), "Usage of %s:\n", os.Args)
   409  		flag.PrintDefaults()
   410  		if *bogoMode {
   411  			os.Exit(89)
   412  		}
   413  	}
   414  
   415  	flag.Parse()
   416  
   417  	if *bogoMode {
   418  		bogoShim()
   419  		os.Exit(0)
   420  	}
   421  
   422  	os.Exit(runMain(m))
   423  }
   424  
   425  func runMain(m *testing.M) int {
   426  	// Cipher suites preferences change based on the architecture. Force them to
   427  	// the version without AES acceleration for test consistency.
   428  	hasAESGCMHardwareSupport = false
   429  
   430  	// Set up localPipe.
   431  	l, err := net.Listen("tcp", "127.0.0.1:0")
   432  	if err != nil {
   433  		l, err = net.Listen("tcp6", "[::1]:0")
   434  	}
   435  	if err != nil {
   436  		fmt.Fprintf(os.Stderr, "Failed to open local listener: %v", err)
   437  		os.Exit(1)
   438  	}
   439  	localListener.ch = make(chan net.Conn)
   440  	localListener.addr = l.Addr()
   441  	defer l.Close()
   442  	go localServer(l)
   443  
   444  	if err := checkOpenSSLVersion(); err != nil {
   445  		fmt.Fprintf(os.Stderr, "Error: %v", err)
   446  		os.Exit(1)
   447  	}
   448  
   449  	testConfig = &Config{
   450  		Time:               func() time.Time { return time.Unix(0, 0) },
   451  		Rand:               zeroSource{},
   452  		Certificates:       make([]Certificate, 2),
   453  		InsecureSkipVerify: true,
   454  		CipherSuites:       allCipherSuites(),
   455  		CurvePreferences:   []CurveID{X25519, CurveP256, CurveP384, CurveP521},
   456  		MinVersion:         VersionTLS10,
   457  		MaxVersion:         VersionTLS13,
   458  	}
   459  	testConfig.Certificates[0].Certificate = [][]byte{testRSACertificate}
   460  	testConfig.Certificates[0].PrivateKey = testRSAPrivateKey
   461  	testConfig.Certificates[1].Certificate = [][]byte{testSNICertificate}
   462  	testConfig.Certificates[1].PrivateKey = testRSAPrivateKey
   463  	testConfig.BuildNameToCertificate()
   464  	if *keyFile != "" {
   465  		f, err := os.OpenFile(*keyFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
   466  		if err != nil {
   467  			panic("failed to open -keylog file: " + err.Error())
   468  		}
   469  		testConfig.KeyLogWriter = f
   470  		defer f.Close()
   471  	}
   472  
   473  	return m.Run()
   474  }
   475  
   476  func testHandshake(t *testing.T, clientConfig, serverConfig *Config) (serverState, clientState ConnectionState, err error) {
   477  	const sentinel = "SENTINEL\n"
   478  	c, s := localPipe(t)
   479  	errChan := make(chan error, 1)
   480  	go func() {
   481  		cli := Client(c, clientConfig)
   482  		err := cli.Handshake()
   483  		if err != nil {
   484  			errChan <- fmt.Errorf("client: %v", err)
   485  			c.Close()
   486  			return
   487  		}
   488  		defer func() { errChan <- nil }()
   489  		clientState = cli.ConnectionState()
   490  		buf, err := io.ReadAll(cli)
   491  		if err != nil {
   492  			t.Errorf("failed to call cli.Read: %v", err)
   493  		}
   494  		if got := string(buf); got != sentinel {
   495  			t.Errorf("read %q from TLS connection, but expected %q", got, sentinel)
   496  		}
   497  		// We discard the error because after ReadAll returns the server must
   498  		// have already closed the connection. Sending data (the closeNotify
   499  		// alert) can cause a reset, that will make Close return an error.
   500  		cli.Close()
   501  	}()
   502  	server := Server(s, serverConfig)
   503  	err = server.Handshake()
   504  	if err == nil {
   505  		serverState = server.ConnectionState()
   506  		if _, err := io.WriteString(server, sentinel); err != nil {
   507  			t.Errorf("failed to call server.Write: %v", err)
   508  		}
   509  		if err := server.Close(); err != nil {
   510  			t.Errorf("failed to call server.Close: %v", err)
   511  		}
   512  	} else {
   513  		err = fmt.Errorf("server: %v", err)
   514  		s.Close()
   515  	}
   516  	err = errors.Join(err, <-errChan)
   517  	return
   518  }
   519  
   520  func fromHex(s string) []byte {
   521  	b, _ := hex.DecodeString(s)
   522  	return b
   523  }
   524  
   525  // testTime is 2016-10-20T17:32:09.000Z, which is within the validity period of
   526  // [testRSACertificate], [testRSACertificateIssuer], [testRSA2048Certificate],
   527  // [testRSA2048CertificateIssuer], and [testECDSACertificate].
   528  var testTime = func() time.Time { return time.Unix(1476984729, 0) }
   529  
   530  var testRSACertificate = fromHex("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")
   531  
   532  var testRSACertificateIssuer = fromHex("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")
   533  
   534  var testRSA2048Certificate = fromHex("30820316308201fea003020102020900e8f09d3fe25beaa6300d06092a864886f70d01010b0500301f310b3009060355040a1302476f3110300e06035504031307476f20526f6f74301e170d3136303130313030303030305a170d3338303130313030303030305a301a310b3009060355040a1302476f310b300906035504031302476f30820122300d06092a864886f70d01010105000382010f003082010a0282010100e0ac47db9ba1b7f98a996c62dc1d248d4ee570544136fe4e911e22fccc0fe2b20982f3c4cdd8f4065c5068c873ca0a768b80dc915edc66541a5f26cdea44e56e411221e2f9927bf4e009fee76dbe0e118dcc13392efd6f42d8eb2fd5bc8f63ac77800c84d3be90c20c321273254b9137ef61f825dad1ec2c5e75aa4be6d3104899bd5ac400da7ab942b4227a3870ae5bb97870aa09a1082fb8e78b944cd7fd1b0c6fb1cce03b5430b12ef9ce2d95e01821766e998df0cc99202a57cf030577bd2dc0ec85a49f203511bb6f0e9f43398ead0958f8d7534c61e81daf4501faaa68d9cbc725b58401900fa48a3e2333b15c88cf0c5cc8f33fb9464f9d5f5768b8f10203010001a35a3058300e0603551d0f0101ff0404030205a0301d0603551d250416301406082b0601050507030106082b06010505070302300c0603551d130101ff0402300030190603551d1104123010820e6578616d706c652e676f6c616e67300d06092a864886f70d01010b050003820101009e83f835e2da08204ee6f8bdca793cf83c7aec175349c1642dfbe9f4d0dcfb1aedb4d0122e16c2ad92e63dd31cce10ca5dd04be48cded0fdc8fea49e891d9d93e778a67d54b619ac167ce7bb0f6000ca00c5677d09df3eb10080134ba32bfe4132d33954dc479cb266288d53d3f43af9c78c0ca59d396498bdc56d4966dc6b7e49081f7f2ae1d704bb9f9effed93c57d3b738da02edff3999e3f1a5dce2b093951947d233d9c6b6a12b4b1611826aa02544980089eebbcf22a1a96bd35a3ddf638578989334a93d5081fab442b4383ba6213b7cdd74110582244a2abd937828b311d8dd69178756db7874293b9810c5c2e833f91d49d283a62caaf359141997f")
   535  
   536  var testRSA2048CertificateIssuer = fromHex("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")
   537  
   538  var testRSA2048PrivateKey, _ = x509.ParsePKCS1PrivateKey(fromHex("308204a40201000282010100e0ac47db9ba1b7f98a996c62dc1d248d4ee570544136fe4e911e22fccc0fe2b20982f3c4cdd8f4065c5068c873ca0a768b80dc915edc66541a5f26cdea44e56e411221e2f9927bf4e009fee76dbe0e118dcc13392efd6f42d8eb2fd5bc8f63ac77800c84d3be90c20c321273254b9137ef61f825dad1ec2c5e75aa4be6d3104899bd5ac400da7ab942b4227a3870ae5bb97870aa09a1082fb8e78b944cd7fd1b0c6fb1cce03b5430b12ef9ce2d95e01821766e998df0cc99202a57cf030577bd2dc0ec85a49f203511bb6f0e9f43398ead0958f8d7534c61e81daf4501faaa68d9cbc725b58401900fa48a3e2333b15c88cf0c5cc8f33fb9464f9d5f5768b8f10203010001028201007aac96efca229b199e1bf79a63256677e1c455792bc2a348b2e409a68ea57dda486740430d4290bb885c3f5a741eb567d4f41f7b2098a726f4df4f88cf899edc7c9b31f584dffedece15a7212642c7dbbdd8d806392a183e1fc30af36169c9bab9e528f0bdcd27ad4c8b6a97849da6452c6809de61848db80c3ba3289e785042cdfd46fbfee5f78adcba2927fcd8cbe9dcaa97190457eaa45d77adbe0db820aff0c8511d837ab5b307bad5f85afd2cc70d9659ec58045d97ced1eb7950670ac559449c0305fddefda1bac88d36629a177f65abad182c6470830b39e7f6dbdef4df813ccaef01d5a42d37213b2b9647e2ff56a63e6b6a4b6e8a1567bbfd77042102818100eb66f205e8507c78f7167dbef3ddf02fde6a67bd15152609e9296576e28c79678177145ae98e0a2fee58fdb3d626fb6beae3e0ae0b76bc47d16fcdeb16f0caca8a0902779979382609705ae84514de480c2fb2ddda3049347cc1bde9f1a359747079ef3dce020a3c186c90e63bc20b5489a40d768b1c1c35c679edc5662e18c702818100f454ffff95b126b55cb13b68a3841600fc0bc69ff4064f7ceb122495fa972fdb05ca2fa1c6e2e84432f81c96875ab12226e8ce92ba808c4f6325f27ce058791f05db96e623687d3cfc198e748a07521a8c7ee9e7e8faf95b0985be82b867a49f7d5d50fac3881d2c39dedfdbca3ebe847b859c9864cf7a543e4688f5a60118870281806cee737ac65950704daeebbb8c701c709a54d4f28baa00b33f6137a1bf0e5033d4963d2620c3e8f4eb2fe51eee2f95d3079c31e1784e96ac093fdaa33a376d3032961ebd27990fa192669abab715041385082196461c6813d0d37ac5a25afbcf452937cb7ae438c63c6b28d651bae6b1550c446aa1cefd42e9388d0df6cdc80b02818100cac172c33504923bb494fad8e5c0a9c5dd63244bfe63f238969632b82700a95cd71c2694d887d9f92656d0da75ae640a1441e392cda3f94bb3da7cb4f6335527d2639c809467946e34423cfe26c0d6786398ba20922d1b1a59f79bd5bc937d8040b75c890c13fb298548977a3c05ff71cf535c54f66b5a77684a7e4363a3cb2702818100a4d782f35d5a07f9c1f8f9c378564b220387d1e481cc856b631de7637d8bb77c851db070122050ac230dc6e45edf4523471c717c1cb86a36b2fd3358fae349d51be54d71d7dbeaa6af668323e2b51933f0b8488aa12723e0f32207068b4aa64ed54bcef4acbbbe35b92802faba7ed45ae52bef8313d9ef4393ccc5cf868ddbf8"))
   539  
   540  // testRSAPSSCertificate has signatureAlgorithm rsassaPss, but subjectPublicKeyInfo
   541  // algorithm rsaEncryption, for use with the rsa_pss_rsae_* SignatureSchemes.
   542  // See also TestRSAPSSKeyError. testRSAPSSCertificate is self-signed.
   543  var testRSAPSSCertificate = fromHex("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")
   544  
   545  var testECDSACertificate = fromHex("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")
   546  
   547  var testEd25519Certificate = fromHex("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")
   548  
   549  var testSNICertificate = fromHex("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")
   550  
   551  var testP256Certificate = fromHex("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")
   552  
   553  var testRSAPrivateKey, _ = x509.ParsePKCS1PrivateKey(fromHex("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"))
   554  
   555  var testECDSAPrivateKey, _ = x509.ParseECPrivateKey(fromHex("3081dc0201010442019883e909ad0ac9ea3d33f9eae661f1785206970f8ca9a91672f1eedca7a8ef12bd6561bb246dda5df4b4d5e7e3a92649bc5d83a0bf92972e00e62067d0c7bd99d7a00706052b81040023a18189038186000400c4a1edbe98f90b4873367ec316561122f23d53c33b4d213dcd6b75e6f6b0dc9adf26c1bcb287f072327cb3642f1c90bcea6823107efee325c0483a69e0286dd33700ef0462dd0da09c706283d881d36431aa9e9731bd96b068c09b23de76643f1a5c7fe9120e5858b65f70dd9bd8ead5d7f5d5ccb9b69f30665b669a20e227e5bffe3b"))
   556  
   557  var testP256PrivateKey, _ = x509.ParseECPrivateKey(fromHex("30770201010420012f3b52bc54c36ba3577ad45034e2e8efe1e6999851284cb848725cfe029991a00a06082a8648ce3d030107a14403420004c02c61c9b16283bbcc14956d886d79b358aa614596975f78cece787146abf74c2d5dc578c0992b4f3c631373479ebf3892efe53d21c4f4f1cc9a11c3536b7f75"))
   558  
   559  var testEd25519PrivateKey = ed25519.PrivateKey(fromHex("3a884965e76b3f55e5faf9615458a92354894234de3ec9f684d46d55cebf3dc63fe2152ee6e3ef3f4e854a7577a3649eede0bf842ccc92268ffa6f3483aaec8f"))
   560  
   561  const clientCertificatePEM = `
   562  -----BEGIN CERTIFICATE-----
   563  MIIB7zCCAVigAwIBAgIQXBnBiWWDVW/cC8m5k5/pvDANBgkqhkiG9w0BAQsFADAS
   564  MRAwDgYDVQQKEwdBY21lIENvMB4XDTE2MDgxNzIxNTIzMVoXDTE3MDgxNzIxNTIz
   565  MVowEjEQMA4GA1UEChMHQWNtZSBDbzCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkC
   566  gYEAum+qhr3Pv5/y71yUYHhv6BPy0ZZvzdkybiI3zkH5yl0prOEn2mGi7oHLEMff
   567  NFiVhuk9GeZcJ3NgyI14AvQdpJgJoxlwaTwlYmYqqyIjxXuFOE8uCXMyp70+m63K
   568  hAfmDzr/d8WdQYUAirab7rCkPy1MTOZCPrtRyN1IVPQMjkcCAwEAAaNGMEQwDgYD
   569  VR0PAQH/BAQDAgWgMBMGA1UdJQQMMAoGCCsGAQUFBwMBMAwGA1UdEwEB/wQCMAAw
   570  DwYDVR0RBAgwBocEfwAAATANBgkqhkiG9w0BAQsFAAOBgQBGq0Si+yhU+Fpn+GKU
   571  8ZqyGJ7ysd4dfm92lam6512oFmyc9wnTN+RLKzZ8Aa1B0jLYw9KT+RBrjpW5LBeK
   572  o0RIvFkTgxYEiKSBXCUNmAysEbEoVr4dzWFihAm/1oDGRY2CLLTYg5vbySK3KhIR
   573  e/oCO8HJ/+rJnahJ05XX1Q7lNQ==
   574  -----END CERTIFICATE-----`
   575  
   576  var clientKeyPEM = testingKey(`
   577  -----BEGIN RSA TESTING KEY-----
   578  MIICXQIBAAKBgQC6b6qGvc+/n/LvXJRgeG/oE/LRlm/N2TJuIjfOQfnKXSms4Sfa
   579  YaLugcsQx980WJWG6T0Z5lwnc2DIjXgC9B2kmAmjGXBpPCViZiqrIiPFe4U4Ty4J
   580  czKnvT6brcqEB+YPOv93xZ1BhQCKtpvusKQ/LUxM5kI+u1HI3UhU9AyORwIDAQAB
   581  AoGAEJZ03q4uuMb7b26WSQsOMeDsftdatT747LGgs3pNRkMJvTb/O7/qJjxoG+Mc
   582  qeSj0TAZXp+PXXc3ikCECAc+R8rVMfWdmp903XgO/qYtmZGCorxAHEmR80SrfMXv
   583  PJnznLQWc8U9nphQErR+tTESg7xWEzmFcPKwnZd1xg8ERYkCQQDTGtrFczlB2b/Z
   584  9TjNMqUlMnTLIk/a/rPE2fLLmAYhK5sHnJdvDURaH2mF4nso0EGtENnTsh6LATnY
   585  dkrxXGm9AkEA4hXHG2q3MnhgK1Z5hjv+Fnqd+8bcbII9WW4flFs15EKoMgS1w/PJ
   586  zbsySaSy5IVS8XeShmT9+3lrleed4sy+UwJBAJOOAbxhfXP5r4+5R6ql66jES75w
   587  jUCVJzJA5ORJrn8g64u2eGK28z/LFQbv9wXgCwfc72R468BdawFSLa/m2EECQGbZ
   588  rWiFla26IVXV0xcD98VWJsTBZMlgPnSOqoMdM1kSEd4fUmlAYI/dFzV1XYSkOmVr
   589  FhdZnklmpVDeu27P4c0CQQCuCOup0FlJSBpWY1TTfun/KMBkBatMz0VMA3d7FKIU
   590  csPezl677Yjo8u1r/KzeI6zLg87Z8E6r6ZWNc9wBSZK6
   591  -----END RSA TESTING KEY-----`)
   592  
   593  const clientECDSACertificatePEM = `
   594  -----BEGIN CERTIFICATE-----
   595  MIIB/DCCAV4CCQCaMIRsJjXZFzAJBgcqhkjOPQQBMEUxCzAJBgNVBAYTAkFVMRMw
   596  EQYDVQQIEwpTb21lLVN0YXRlMSEwHwYDVQQKExhJbnRlcm5ldCBXaWRnaXRzIFB0
   597  eSBMdGQwHhcNMTIxMTE0MTMyNTUzWhcNMjIxMTEyMTMyNTUzWjBBMQswCQYDVQQG
   598  EwJBVTEMMAoGA1UECBMDTlNXMRAwDgYDVQQHEwdQeXJtb250MRIwEAYDVQQDEwlK
   599  b2VsIFNpbmcwgZswEAYHKoZIzj0CAQYFK4EEACMDgYYABACVjJF1FMBexFe01MNv
   600  ja5oHt1vzobhfm6ySD6B5U7ixohLZNz1MLvT/2XMW/TdtWo+PtAd3kfDdq0Z9kUs
   601  jLzYHQFMH3CQRnZIi4+DzEpcj0B22uCJ7B0rxE4wdihBsmKo+1vx+U56jb0JuK7q
   602  ixgnTy5w/hOWusPTQBbNZU6sER7m8TAJBgcqhkjOPQQBA4GMADCBiAJCAOAUxGBg
   603  C3JosDJdYUoCdFzCgbkWqD8pyDbHgf9stlvZcPE4O1BIKJTLCRpS8V3ujfK58PDa
   604  2RU6+b0DeoeiIzXsAkIBo9SKeDUcSpoj0gq+KxAxnZxfvuiRs9oa9V2jI/Umi0Vw
   605  jWVim34BmT0Y9hCaOGGbLlfk+syxis7iI6CH8OFnUes=
   606  -----END CERTIFICATE-----`
   607  
   608  var clientECDSAKeyPEM = testingKey(`
   609  -----BEGIN EC PARAMETERS-----
   610  BgUrgQQAIw==
   611  -----END EC PARAMETERS-----
   612  -----BEGIN EC TESTING KEY-----
   613  MIHcAgEBBEIBkJN9X4IqZIguiEVKMqeBUP5xtRsEv4HJEtOpOGLELwO53SD78Ew8
   614  k+wLWoqizS3NpQyMtrU8JFdWfj+C57UNkOugBwYFK4EEACOhgYkDgYYABACVjJF1
   615  FMBexFe01MNvja5oHt1vzobhfm6ySD6B5U7ixohLZNz1MLvT/2XMW/TdtWo+PtAd
   616  3kfDdq0Z9kUsjLzYHQFMH3CQRnZIi4+DzEpcj0B22uCJ7B0rxE4wdihBsmKo+1vx
   617  +U56jb0JuK7qixgnTy5w/hOWusPTQBbNZU6sER7m8Q==
   618  -----END EC TESTING KEY-----`)
   619  
   620  const clientEd25519CertificatePEM = `
   621  -----BEGIN CERTIFICATE-----
   622  MIIBLjCB4aADAgECAhAX0YGTviqMISAQJRXoNCNPMAUGAytlcDASMRAwDgYDVQQK
   623  EwdBY21lIENvMB4XDTE5MDUxNjIxNTQyNloXDTIwMDUxNTIxNTQyNlowEjEQMA4G
   624  A1UEChMHQWNtZSBDbzAqMAUGAytlcAMhAAvgtWC14nkwPb7jHuBQsQTIbcd4bGkv
   625  xRStmmNveRKRo00wSzAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0lBAwwCgYIKwYBBQUH
   626  AwIwDAYDVR0TAQH/BAIwADAWBgNVHREEDzANggtleGFtcGxlLmNvbTAFBgMrZXAD
   627  QQD8GRcqlKUx+inILn9boF2KTjRAOdazENwZ/qAicbP1j6FYDc308YUkv+Y9FN/f
   628  7Q7hF9gRomDQijcjKsJGqjoI
   629  -----END CERTIFICATE-----`
   630  
   631  var clientEd25519KeyPEM = testingKey(`
   632  -----BEGIN TESTING KEY-----
   633  MC4CAQAwBQYDK2VwBCIEINifzf07d9qx3d44e0FSbV4mC/xQxT644RRbpgNpin7I
   634  -----END TESTING KEY-----`)
   635
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