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    <div class="moz-cite-prefix">On 1/21/2019 1:29 PM, Amir Khassaia
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAJ3+Awc=wNQ_00KsHykug+ZeBBMSGYxzscHnVSDCA1tNqmnQqw@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div dir="ltr">Thanks Xuelei,
          <div>Do you mean to create an RFE at openjdk <a
              href="https://bugs.openjdk.java.net/"
              moz-do-not-send="true">https://bugs.openjdk.java.net/</a>
            ?</div>
          <div><br>
          </div>
        </div>
      </div>
    </blockquote>
    <p>Yes if you have an OpenJDK account.  Otherwise, please use
      bugreport.java.com</p>
    <p>Thanks,</p>
    <p>Xuelei<br>
    </p>
    <blockquote type="cite"
cite="mid:CAJ3+Awc=wNQ_00KsHykug+ZeBBMSGYxzscHnVSDCA1tNqmnQqw@mail.gmail.com">
      <div dir="ltr">
        <div dir="ltr">
          <div><br>
          </div>
        </div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr">On Tue, Jan 22, 2019 at 5:02 AM Xuelei Fan <<a
            href="mailto:xuelei.fan@oracle.com" moz-do-not-send="true">xuelei.fan@oracle.com</a>>
          wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div bgcolor="#FFFFFF">
            <p>Hi Amir,</p>
            <p>I can see the problem for incompatible impl.  Would you
              mind submit an OpenJDK enhancement for a workaround?<br>
            </p>
            <p>Thanks & Regards,</p>
            <p>Xuelei<br>
            </p>
            <div class="gmail-m_5594560675108067302moz-cite-prefix">On
              1/20/2019 4:10 PM, Amir Khassaia wrote:<br>
            </div>
            <blockquote type="cite">
              <div dir="ltr">
                <div dir="ltr">
                  <div dir="ltr">
                    <div>Xuelei,</div>
                    <div><br>
                    </div>
                    <div dir="ltr">I have a sample socket client for the
                      device TLS issue but its not very helpful as any
                      socket client created on top of JDK will do, the
                      last problem was apparent only when talking to a
                      specific hardware device which refused to
                      negotiate TLS session (I've seen several odd TLS
                      implementations that were intolerant to Java
                      changes in various ways over the years and
                      compatibility could always be assured through
                      config changes, this time around less so).</div>
                    <div dir="ltr"><br>
                    </div>
                    <div dir="ltr">Some of the hardware TLS stacks can
                      range from small oddities to being completely
                      broken by small changes as they can contain
                      outdated and poorly implemented TLS stacks that
                      are very sensitive so even a small change can
                      break them and thats why its always important to
                      have levers provided to control almost every
                      aspect of the handshake.<br>
                      <div><br>
                      </div>
                      <div>I have a sample in my gist (<a
href="https://gist.github.com/amir-khassaia/04347ca88526f4b958b3326968a905c0"
                          target="_blank" moz-do-not-send="true">https://gist.github.com/amir-khassaia/04347ca88526f4b958b3326968a905c0</a>),
                        apologies its in Kotlin. When ran with java 8,
                        9, 10 there were no issues. With java 11 this
                        worked on most devices but I've had a device at
                        a remote location that was not in my control
                        that I've had to diagnose the handshake failure
                        on using java 11 it was intolerant to TLS 1.2
                        client hello from Java 11 but fine with TLS 1.1
                        as the new extensions are not present. It would
                        be fine with TLS 1.2 client hello from Java 10
                        and earlier as I mentioned.</div>
                      <div><br>
                      </div>
                      <div>Javax.net.debug output</div>
                      <div>-------------------------------</div>
                      javax.net.ssl|DEBUG|01|main|2019-01-08
                      13:40:14.395
                      AEDT|SSLCipher.java:437|jdk.tls.keyLimits:  entry
                      = AES/GCM/NoPadding KeyUpdate 2^37.
                      AES/GCM/NOPADDING:KEYUPDATE = 137438953472<br>
                      javax.net.ssl|WARNING|01|main|2019-01-08
                      13:40:14.433
                      AEDT|ServerNameExtension.java:255|Unable to
                      indicate server name<br>
                      javax.net.ssl|DEBUG|01|main|2019-01-08
                      13:40:14.433 AEDT|SSLExtensions.java:235|Ignore,
                      context unavailable extension: server_name<br>
                      javax.net.ssl|DEBUG|01|main|2019-01-08
                      13:40:14.433 AEDT|SSLExtensions.java:235|Ignore,
                      context unavailable extension: status_request<br>
                      javax.net.ssl|WARNING|01|main|2019-01-08
                      13:40:14.443
                      AEDT|SignatureScheme.java:282|Signature algorithm,
                      ed25519, is not supported by the underlying
                      providers<br>
                      javax.net.ssl|WARNING|01|main|2019-01-08
                      13:40:14.444
                      AEDT|SignatureScheme.java:282|Signature algorithm,
                      ed448, is not supported by the underlying
                      providers<br>
                      javax.net.ssl|INFO|01|main|2019-01-08 13:40:14.449
                      AEDT|AlpnExtension.java:161|No available
                      application protocols<br>
                      javax.net.ssl|DEBUG|01|main|2019-01-08
                      13:40:14.449 AEDT|SSLExtensions.java:235|Ignore,
                      context unavailable extension:
                      application_layer_protocol_negotiation<br>
                      javax.net.ssl|DEBUG|01|main|2019-01-08
                      13:40:14.450 AEDT|SSLExtensions.java:235|Ignore,
                      context unavailable extension: status_request_v2<br>
                      javax.net.ssl|DEBUG|01|main|2019-01-08
                      13:40:14.453 AEDT|ClientHello.java:651|Produced
                      ClientHello handshake message (<br>
                      "ClientHello": {<br>
                        "client version"      : "TLSv1.2",<br>
                        "random"              : "1A BA E8 FC 59 00 AB DF
                      9A 1A 07 94 24 7F 34 3D 0B D2 7D 10 72 52 54 CD 44
                      43 62 E8 8B 42 C6 68",<br>
                        "session id"          : "",<br>
                        "cipher suites"       :
                      "[TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256(0xC023),
                      TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256(0xC027),
                      TLS_RSA_WITH_AES_128_CBC_SHA256(0x003C),
                      TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256(0xC029),
                      TLS_RSA_WITH_AES_128_CBC_SHA(0x002F)]",<br>
                        "compression methods" : "00",<br>
                        "extensions"          : [<br>
                          "supported_groups (10)": {<br>
                            "versions": [secp256r1, secp384r1,
                      secp521r1, secp160k1]<br>
                          },<br>
                          "ec_point_formats (11)": {<br>
                            "formats": [uncompressed]<br>
                          },<br>
                          "signature_algorithms (13)": {<br>
                            "signature schemes":
                      [ecdsa_secp256r1_sha256, ecdsa_secp384r1_sha384,
                      ecdsa_secp512r1_sha512, rsa_pss_rsae_sha256,
                      rsa_pss_rsae_sha384, rsa_pss_rsae_sha512,
                      rsa_pss_pss_sha256, rsa_pss_pss_sha384,
                      rsa_pss_pss_sha512, rsa_pkcs1_sha256,
                      rsa_pkcs1_sha384, rsa_pkcs1_sha512, dsa_sha256,
                      ecdsa_sha224, rsa_sha224, dsa_sha224, ecdsa_sha1,
                      rsa_pkcs1_sha1, dsa_sha1, rsa_md5]<br>
                          },<br>
                          "signature_algorithms_cert (50)": {<br>
                            "signature schemes":
                      [ecdsa_secp256r1_sha256, ecdsa_secp384r1_sha384,
                      ecdsa_secp512r1_sha512, rsa_pss_rsae_sha256,
                      rsa_pss_rsae_sha384, rsa_pss_rsae_sha512,
                      rsa_pss_pss_sha256, rsa_pss_pss_sha384,
                      rsa_pss_pss_sha512, rsa_pkcs1_sha256,
                      rsa_pkcs1_sha384, rsa_pkcs1_sha512, dsa_sha256,
                      ecdsa_sha224, rsa_sha224, dsa_sha224, ecdsa_sha1,
                      rsa_pkcs1_sha1, dsa_sha1, rsa_md5]<br>
                          },<br>
                          "extended_master_secret (23)": {<br>
                            <empty><br>
                          },<br>
                          "supported_versions (43)": {<br>
                            "versions": [TLSv1.2, TLSv1.1]<br>
                          },<br>
                          "renegotiation_info (65,281)": {<br>
                            "renegotiated connection": [<no
                      renegotiated connection>]<br>
                          }<br>
                        ]<br>
                      }<br>
                      )<br>
                      javax.net.ssl|DEBUG|01|main|2019-01-08
                      13:40:14.455 AEDT|Alert.java:232|Received alert
                      message (<br>
                      "Alert": {<br>
                        "level"      : "fatal",<br>
                        "description": "handshake_failure"<br>
                      }<br>
                      )<br>
                      javax.net.ssl|ERROR|01|main|2019-01-08
                      13:40:14.456 AEDT|TransportContext.java:313|Fatal
                      (HANDSHAKE_FAILURE): Received fatal alert:
                      handshake_failure (<br>
                      "throwable" : {<br>
                        javax.net.ssl.SSLHandshakeException: Received
                      fatal alert: handshake_failure<br>
                        at
                      java.base/sun.security.ssl.Alert.createSSLException(Alert.java:128)<br>
                        at
                      java.base/sun.security.ssl.Alert.createSSLException(Alert.java:117)<br>
                        at
java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:308)<br>
                        at
                      java.base/sun.security.ssl.Alert$AlertConsumer.consume(Alert.java:279)<br>
                        at
java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:181)<br>
                        at
                      java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:164)<br>
                        at
                      java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1152)<br>
                        at
java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1063)<br>
                        at
java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:402)<br>
                        at SslSocketClient.main(SslSocketClient.kt:47)}<br>
                      <br>
                      )<br>
                      javax.net.ssl|DEBUG|01|main|2019-01-08
                      13:40:14.457 AEDT|SSLSocketImpl.java:1361|close
                      the underlying socket<br>
                      javax.net.ssl|DEBUG|01|main|2019-01-08
                      13:40:14.457 AEDT|SSLSocketImpl.java:1380|close
                      the SSL connection (initiative)<br>
                      Exception in thread "main"
                      javax.net.ssl.SSLHandshakeException: Received
                      fatal alert: handshake_failure<br>
                      at
                      java.base/sun.security.ssl.Alert.createSSLException(Alert.java:128)<br>
                      at
                      java.base/sun.security.ssl.Alert.createSSLException(Alert.java:117)<br>
                      at
java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:308)<br>
                      at
                      java.base/sun.security.ssl.Alert$AlertConsumer.consume(Alert.java:279)<br>
                      at
java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:181)<br>
                      at
                      java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:164)<br>
                      at
                      java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1152)<br>
                      at
java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1063)<br>
                      at
java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:402)<br>
                      at SslSocketClient.main(SslSocketClient.kt:47)<br>
                      <br>
                      <br>
                      <br>
                      <br>
                      Wireshark TLS 1.2 Java 8 client hello</div>
                    <div dir="ltr">-------------------------------------------------</div>
                    <div dir="ltr">
                      <div dir="ltr">Secure Sockets Layer</div>
                      <div dir="ltr">    TLSv1.2 Record Layer: Handshake
                        Protocol: Client Hello</div>
                      <div dir="ltr">        Content Type: Handshake
                        (22)</div>
                      <div dir="ltr">        Version: TLS 1.2 (0x0303)</div>
                      <div dir="ltr">        Length: 157</div>
                      <div dir="ltr">        Handshake Protocol: Client
                        Hello</div>
                      <div dir="ltr">            Handshake Type: Client
                        Hello (1)</div>
                      <div dir="ltr">            Length: 153</div>
                      <div dir="ltr">            Version: TLS 1.2
                        (0x0303)</div>
                      <div dir="ltr">            Random:
                        5c34044c709feae39585e4db8e41b0170fbf9fa428b38941...</div>
                      <div dir="ltr">                GMT Unix Time: Jan 
                        8, 2019 13:00:44.000000000 AUS Eastern Daylight
                        Time</div>
                      <div dir="ltr">                Random Bytes:
                        709feae39585e4db8e41b0170fbf9fa428b38941983ddb53...</div>
                      <div dir="ltr">            Session ID Length: 0</div>
                      <div dir="ltr">            Cipher Suites Length:
                        44</div>
                      <div dir="ltr">            Cipher Suites (22
                        suites)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 (0xc023)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 (0xc027)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_RSA_WITH_AES_128_CBC_SHA256 (0x003c)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 (0xc025)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 (0xc029)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 (0x0067)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 (0x0040)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA (0xc009)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_RSA_WITH_AES_128_CBC_SHA (0x002f)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA (0xc004)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDH_RSA_WITH_AES_128_CBC_SHA (0xc00e)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_DHE_RSA_WITH_AES_128_CBC_SHA (0x0033)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_DHE_DSS_WITH_AES_128_CBC_SHA (0x0032)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (0xc02b)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_RSA_WITH_AES_128_GCM_SHA256 (0x009c)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 (0xc02d)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 (0xc031)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 (0x009e)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_DHE_DSS_WITH_AES_128_GCM_SHA256 (0x00a2)</div>
                      <div dir="ltr">                Cipher Suite:
                        TLS_EMPTY_RENEGOTIATION_INFO_SCSV (0x00ff)</div>
                      <div dir="ltr">            Compression Methods
                        Length: 1</div>
                      <div dir="ltr">            Compression Methods (1
                        method)</div>
                      <div dir="ltr">                Compression Method:
                        null (0)</div>
                      <div dir="ltr">            Extensions Length: 68</div>
                      <div dir="ltr">            Extension:
                        supported_groups (len=22)</div>
                      <div dir="ltr">                Type:
                        supported_groups (10)</div>
                      <div dir="ltr">                Length: 22</div>
                      <div dir="ltr">                Supported Groups
                        List Length: 20</div>
                      <div dir="ltr">                Supported Groups
                        (10 groups)</div>
                      <div dir="ltr">                    Supported
                        Group: secp256r1 (0x0017)</div>
                      <div dir="ltr">                    Supported
                        Group: secp384r1 (0x0018)</div>
                      <div dir="ltr">                    Supported
                        Group: secp521r1 (0x0019)</div>
                      <div dir="ltr">                    Supported
                        Group: sect283k1 (0x0009)</div>
                      <div dir="ltr">                    Supported
                        Group: sect283r1 (0x000a)</div>
                      <div dir="ltr">                    Supported
                        Group: sect409k1 (0x000b)</div>
                      <div dir="ltr">                    Supported
                        Group: sect409r1 (0x000c)</div>
                      <div dir="ltr">                    Supported
                        Group: sect571k1 (0x000d)</div>
                      <div dir="ltr">                    Supported
                        Group: sect571r1 (0x000e)</div>
                      <div dir="ltr">                    Supported
                        Group: secp256k1 (0x0016)</div>
                      <div dir="ltr">            Extension:
                        ec_point_formats (len=2)</div>
                      <div dir="ltr">                Type:
                        ec_point_formats (11)</div>
                      <div dir="ltr">                Length: 2</div>
                      <div dir="ltr">                EC point formats
                        Length: 1</div>
                      <div dir="ltr">                Elliptic curves
                        point formats (1)</div>
                      <div dir="ltr">                    EC point
                        format: uncompressed (0)</div>
                      <div dir="ltr">            Extension:
                        signature_algorithms (len=28)</div>
                      <div dir="ltr">                Type:
                        signature_algorithms (13)</div>
                      <div dir="ltr">                Length: 28</div>
                      <div dir="ltr">                Signature Hash
                        Algorithms Length: 26</div>
                      <div dir="ltr">                Signature Hash
                        Algorithms (13 algorithms)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: ecdsa_secp521r1_sha512 (0x0603)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA512 (6)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: ECDSA (3)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: rsa_pkcs1_sha512 (0x0601)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA512 (6)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: RSA (1)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: ecdsa_secp384r1_sha384 (0x0503)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA384 (5)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: ECDSA (3)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: rsa_pkcs1_sha384 (0x0501)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA384 (5)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: RSA (1)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: ecdsa_secp256r1_sha256 (0x0403)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA256 (4)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: ECDSA (3)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: rsa_pkcs1_sha256 (0x0401)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA256 (4)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: RSA (1)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: SHA256 DSA (0x0402)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA256 (4)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: DSA (2)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: SHA224 ECDSA (0x0303)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA224 (3)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: ECDSA (3)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: SHA224 RSA (0x0301)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA224 (3)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: RSA (1)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: SHA224 DSA (0x0302)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA224 (3)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: DSA (2)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: ecdsa_sha1 (0x0203)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA1 (2)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: ECDSA (3)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: rsa_pkcs1_sha1 (0x0201)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA1 (2)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: RSA (1)</div>
                      <div dir="ltr">                    Signature
                        Algorithm: SHA1 DSA (0x0202)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Hash: SHA1 (2)</div>
                      <div dir="ltr">                        Signature
                        Hash Algorithm Signature: DSA (2)</div>
                      <div dir="ltr">            Extension:
                        extended_master_secret (len=0)</div>
                      <div dir="ltr">                Type:
                        extended_master_secret (23)</div>
                      <div dir="ltr">                Length: 0</div>
                      <div><br>
                      </div>
                      <div><br>
                      </div>
                      <div><br>
                      </div>
                      <div>Wireshark Java 11 TLS 1.2 Client hello</div>
                      <div>----------------------------------------------------</div>
                      <div>
                        <div>Secure Sockets Layer</div>
                        <div>    TLSv1.2 Record Layer: Handshake
                          Protocol: Client Hello</div>
                        <div>        Content Type: Handshake (22)</div>
                        <div>        Version: TLS 1.2 (0x0303)</div>
                        <div>        Length: 185</div>
                        <div>        Handshake Protocol: Client Hello</div>
                        <div>            Handshake Type: Client Hello
                          (1)</div>
                        <div>            Length: 181</div>
                        <div>            Version: TLS 1.2 (0x0303)</div>
                        <div>            Random:
                          37f32691301b6b9d45bb62c6268915819881b8ebd95f152c...</div>
                        <div>                GMT Unix Time: Sep 30, 1999
                          19:00:01.000000000 AUS Eastern Standard Time</div>
                        <div>                Random Bytes:
                          301b6b9d45bb62c6268915819881b8ebd95f152c41c7e483...</div>
                        <div>            Session ID Length: 0</div>
                        <div>            Cipher Suites Length: 10</div>
                        <div>            Cipher Suites (5 suites)</div>
                        <div>                Cipher Suite:
                          TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
                          (0xc023)</div>
                        <div>                Cipher Suite:
                          TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 (0xc027)</div>
                        <div>                Cipher Suite:
                          TLS_RSA_WITH_AES_128_CBC_SHA256 (0x003c)</div>
                        <div>                Cipher Suite:
                          TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 (0xc029)</div>
                        <div>                Cipher Suite:
                          TLS_RSA_WITH_AES_128_CBC_SHA (0x002f)</div>
                        <div>            Compression Methods Length: 1</div>
                        <div>            Compression Methods (1 method)</div>
                        <div>                Compression Method: null
                          (0)</div>
                        <div>            Extensions Length: 130</div>
                        <div>            Extension: supported_groups
                          (len=10)</div>
                        <div>                Type: supported_groups (10)</div>
                        <div>                Length: 10</div>
                        <div>                Supported Groups List
                          Length: 8</div>
                        <div>                Supported Groups (4 groups)</div>
                        <div>                    Supported Group:
                          secp256r1 (0x0017)</div>
                        <div>                    Supported Group:
                          secp384r1 (0x0018)</div>
                        <div>                    Supported Group:
                          secp521r1 (0x0019)</div>
                        <div>                    Supported Group:
                          secp160k1 (0x000f)</div>
                        <div>            Extension: ec_point_formats
                          (len=2)</div>
                        <div>                Type: ec_point_formats (11)</div>
                        <div>                Length: 2</div>
                        <div>                EC point formats Length: 1</div>
                        <div>                Elliptic curves point
                          formats (1)</div>
                        <div>                    EC point format:
                          uncompressed (0)</div>
                        <div>            Extension: signature_algorithms
                          (len=42)</div>
                        <div>                Type: signature_algorithms
                          (13)</div>
                        <div>                Length: 42</div>
                        <div>                Signature Hash Algorithms
                          Length: 40</div>
                        <div>                Signature Hash Algorithms
                          (20 algorithms)</div>
                        <div>                    Signature Algorithm:
                          ecdsa_secp256r1_sha256 (0x0403)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA256 (4)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: ECDSA (3)</div>
                        <div>                    Signature Algorithm:
                          ecdsa_secp384r1_sha384 (0x0503)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA384 (5)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: ECDSA (3)</div>
                        <div>                    Signature Algorithm:
                          ecdsa_secp521r1_sha512 (0x0603)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA512 (6)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: ECDSA (3)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_rsae_sha256 (0x0804)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (4)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_rsae_sha384 (0x0805)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (5)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_rsae_sha512 (0x0806)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (6)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_pss_sha256 (0x0809)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (9)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_pss_sha384 (0x080a)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (10)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_pss_sha512 (0x080b)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (11)</div>
                        <div>                    Signature Algorithm:
                          rsa_pkcs1_sha256 (0x0401)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA256 (4)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>                    Signature Algorithm:
                          rsa_pkcs1_sha384 (0x0501)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA384 (5)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>                    Signature Algorithm:
                          rsa_pkcs1_sha512 (0x0601)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA512 (6)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>                    Signature Algorithm:
                          SHA256 DSA (0x0402)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA256 (4)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: DSA (2)</div>
                        <div>                    Signature Algorithm:
                          SHA224 ECDSA (0x0303)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA224 (3)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: ECDSA (3)</div>
                        <div>                    Signature Algorithm:
                          SHA224 RSA (0x0301)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA224 (3)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>                    Signature Algorithm:
                          SHA224 DSA (0x0302)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA224 (3)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: DSA (2)</div>
                        <div>                    Signature Algorithm:
                          ecdsa_sha1 (0x0203)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA1 (2)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: ECDSA (3)</div>
                        <div>                    Signature Algorithm:
                          rsa_pkcs1_sha1 (0x0201)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA1 (2)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>                    Signature Algorithm:
                          SHA1 DSA (0x0202)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA1 (2)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: DSA (2)</div>
                        <div>                    Signature Algorithm:
                          MD5 RSA (0x0101)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: MD5 (1)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>            Extension:
                          signature_algorithms_cert (len=42)</div>
                        <div>                Type:
                          signature_algorithms_cert (50)</div>
                        <div>                Length: 42</div>
                        <div>                Signature Hash Algorithms
                          Length: 40</div>
                        <div>                Signature Hash Algorithms
                          (20 algorithms)</div>
                        <div>                    Signature Algorithm:
                          ecdsa_secp256r1_sha256 (0x0403)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA256 (4)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: ECDSA (3)</div>
                        <div>                    Signature Algorithm:
                          ecdsa_secp384r1_sha384 (0x0503)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA384 (5)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: ECDSA (3)</div>
                        <div>                    Signature Algorithm:
                          ecdsa_secp521r1_sha512 (0x0603)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA512 (6)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: ECDSA (3)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_rsae_sha256 (0x0804)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (4)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_rsae_sha384 (0x0805)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (5)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_rsae_sha512 (0x0806)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (6)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_pss_sha256 (0x0809)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (9)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_pss_sha384 (0x080a)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (10)</div>
                        <div>                    Signature Algorithm:
                          rsa_pss_pss_sha512 (0x080b)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: Unknown (8)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: Unknown (11)</div>
                        <div>                    Signature Algorithm:
                          rsa_pkcs1_sha256 (0x0401)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA256 (4)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>                    Signature Algorithm:
                          rsa_pkcs1_sha384 (0x0501)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA384 (5)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>                    Signature Algorithm:
                          rsa_pkcs1_sha512 (0x0601)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA512 (6)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>                    Signature Algorithm:
                          SHA256 DSA (0x0402)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA256 (4)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: DSA (2)</div>
                        <div>                    Signature Algorithm:
                          SHA224 ECDSA (0x0303)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA224 (3)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: ECDSA (3)</div>
                        <div>                    Signature Algorithm:
                          SHA224 RSA (0x0301)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA224 (3)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>                    Signature Algorithm:
                          SHA224 DSA (0x0302)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA224 (3)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: DSA (2)</div>
                        <div>                    Signature Algorithm:
                          ecdsa_sha1 (0x0203)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA1 (2)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: ECDSA (3)</div>
                        <div>                    Signature Algorithm:
                          rsa_pkcs1_sha1 (0x0201)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA1 (2)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>                    Signature Algorithm:
                          SHA1 DSA (0x0202)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: SHA1 (2)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: DSA (2)</div>
                        <div>                    Signature Algorithm:
                          MD5 RSA (0x0101)</div>
                        <div>                        Signature Hash
                          Algorithm Hash: MD5 (1)</div>
                        <div>                        Signature Hash
                          Algorithm Signature: RSA (1)</div>
                        <div>            Extension:
                          extended_master_secret (len=0)</div>
                        <div>                Type:
                          extended_master_secret (23)</div>
                        <div>                Length: 0</div>
                        <div>            Extension: supported_versions
                          (len=5)</div>
                        <div>                Type: supported_versions
                          (43)</div>
                        <div>                Length: 5</div>
                        <div>                Supported Versions length:
                          4</div>
                        <div>                Supported Version: TLS 1.2
                          (0x0303)</div>
                        <div>                Supported Version: TLS 1.1
                          (0x0302)</div>
                        <div>            Extension: renegotiation_info
                          (len=1)</div>
                        <div>                Type: renegotiation_info
                          (65281)</div>
                        <div>                Length: 1</div>
                        <div>                Renegotiation Info
                          extension</div>
                        <div>                    Renegotiation info
                          extension length: 0</div>
                      </div>
                      <div><br>
                      </div>
                      <br>
                    </div>
                    <div dir="ltr"><br>
                    </div>
                    <div dir="ltr"><br>
                    </div>
                    <div dir="ltr"><br>
                    </div>
                  </div>
                </div>
              </div>
              <br>
              <div class="gmail_quote">
                <div dir="ltr">On Mon, Jan 21, 2019 at 10:37 AM Xuelei
                  Fan <<a href="mailto:xuelei.fan@oracle.com"
                    target="_blank" moz-do-not-send="true">xuelei.fan@oracle.com</a>>
                  wrote:<br>
                </div>
                <blockquote class="gmail_quote" style="margin:0px 0px
                  0px 0.8ex;border-left:1px solid
                  rgb(204,204,204);padding-left:1ex">
                  <div bgcolor="#FFFFFF">
                    <p>Hi Amir,</p>
                    <p>Normally, the extension should have no impact if
                      it cannot be recognized by the server.   It's good
                      to be able to disable extensions if not needed.  
                      I need to evaluate the priority of it although. 
                      Did you have a simple test code that I can
                      reproduce the issue?</p>
                    <p>Thanks,</p>
                    <p>Xuelei<br>
                    </p>
                    <div
class="gmail-m_5594560675108067302gmail-m_-4755691366878045308moz-cite-prefix">On
                      1/20/2019 3:03 PM, Amir Khassaia wrote:<br>
                    </div>
                    <blockquote type="cite">
                      <div dir="ltr">Greetings Xuelei,
                        <div>To follow up on this, the certificate in
                          the connection is a red herring and not
                          important. It's actually a very unusual
                          behaviour by <a href="http://talk.google.com/"
                            target="_blank" moz-do-not-send="true">talk.google.com</a> endpoint
                          to encapsulate an error message inside a
                          certificate.</div>
                        <div><br>
                        </div>
                        <div>As per the output I included: </div>
                        <div>
                          <pre style="white-space:pre-wrap;color:rgb(0,0,0)"><i>"certificate" : {
</i>><i>      "version"            : "v3",
</i>><i>      "serial number"      : "00 90 76 89 18 E9 33 93 A0",
</i>><i>      "signature algorithm": "SHA256withRSA",
</i>><i>      "issuer"             : "CN=invalid2.invalid, OU="No SNI provided; 
</i>><i> please fix your client."",
</i>><i>      "not before"         : "2015-01-01 11:00:00.000 AEDT",
</i>><i>      "not  after"         : "2030-01-01 11:00:00.000 AEDT",
</i>><i>      "subject"            : "CN=invalid2.invalid, OU="No SNI provided; 
</i>><i> please fix your client."",</i></pre>
                          <pre style="white-space:pre-wrap;color:rgb(0,0,0)"><i>
</i></pre>
                          <pre style="white-space:pre-wrap;color:rgb(0,0,0)"><span style="color:rgb(34,34,34);font-family:Arial,Helvetica,sans-serif;white-space:normal">This certificate simply masks the TLS interoperability issue as an untrusted certificate issue.</span></pre>
                          The fact is, some of the extensions sent by
                          JSSE are changes to TLS 1.2 to support TLS
                          1.3, this however affects some clients
                          adversely in practice and usually JDK provides
                          properties to turn new enhancements off and
                          work around such behaviour, for the extensions
                          I mentioned this is not provided and hence
                          they are always sent for client sockets unless
                          TLSv1.2 is not in use. </div>
                        <div><br>
                        </div>
                        <div>The impact to us is that upgrading to JDK11
                          means for some endpoints or devices that are
                          not 100% compliant to the spec the security is
                          reduced as we have to now work around to drop
                          connections to these to TLSv1.1 or TLS1.0 or
                          not to move to Java 11 at all.</div>
                        <div>
                          <pre style="white-space:pre-wrap"><font face="Arial, Helvetica, sans-serif"><span style="white-space:normal">My request is simply to have all of the new extensions configurable on individual basis so that they can be turned off if needed for compatibility just like most other security enhancements that were delivered in the past.</span></font></pre>
                          It appears some of the issues can come from <br>
                          <br>
                          - inclusion of RSASSA-PSS alg in TLS 1.2
                          handshakes but these can disabled at least<br>
                          <br>
                          -signature_algorithms_cert and
                          supported_versions extensions which seem to be
                          hardcoded for TLS 1.2 (I was not able to
                          conclusively identify which of these caused my
                          troubles)<br>
                          <br>
                          <a
                            href="https://tools.ietf.org/html/rfc8446#section-1.3"
                            target="_blank" moz-do-not-send="true">https://tools.ietf.org/html/rfc8446#section-1.3</a> does
                          say that TLS 1.2 clients are affected but in
                          an optional manner.Just today I've encountered
                          another Java 11 interop issue with TLS but
                          this time with a physical device which can
                          have a long shelf life yet running a simple
                          client socket handshake abruptly terminates
                          the connection upon client hello (no
                          server_hello at all), and downgrading the JRE
                          below 11 works fine. I'm including a trace for
                          that as well:
                          javax.net.ssl|DEBUG|01|main|2019-01-08
                          13:40:14.395
                          AEDT|SSLCipher.java:437|jdk.tls.keyLimits:
                           entry = AES/GCM/NoPadding KeyUpdate 2^37.
                          AES/GCM/NOPADDING:KEYUPDATE = 137438953472<br>
                          <br>
                          javax.net.ssl|WARNING|01|main|2019-01-08
                          13:40:14.433
                          AEDT|ServerNameExtension.java:255|Unable to
                          indicate server name<br>
                          <br>
                          javax.net.ssl|DEBUG|01|main|2019-01-08
                          13:40:14.433
                          AEDT|SSLExtensions.java:235|Ignore, context
                          unavailable extension: server_name<br>
                          <br>
                          javax.net.ssl|DEBUG|01|main|2019-01-08
                          13:40:14.433
                          AEDT|SSLExtensions.java:235|Ignore, context
                          unavailable extension: status_request<br>
                          <br>
                          javax.net.ssl|WARNING|01|main|2019-01-08
                          13:40:14.443
                          AEDT|SignatureScheme.java:282|Signature
                          algorithm, ed25519, is not supported by the
                          underlying providers<br>
                          <br>
                          javax.net.ssl|WARNING|01|main|2019-01-08
                          13:40:14.444
                          AEDT|SignatureScheme.java:282|Signature
                          algorithm, ed448, is not supported by the
                          underlying providers<br>
                          <br>
                          javax.net.ssl|INFO|01|main|2019-01-08
                          13:40:14.449 AEDT|AlpnExtension.java:161|No
                          available application protocols<br>
                          <br>
                          javax.net.ssl|DEBUG|01|main|2019-01-08
                          13:40:14.449
                          AEDT|SSLExtensions.java:235|Ignore, context
                          unavailable extension:
                          application_layer_protocol_negotiation<br>
                          <br>
                          javax.net.ssl|DEBUG|01|main|2019-01-08
                          13:40:14.450
                          AEDT|SSLExtensions.java:235|Ignore, context
                          unavailable extension: status_request_v2<br>
                          <br>
                          javax.net.ssl|DEBUG|01|main|2019-01-08
                          13:40:14.453
                          AEDT|ClientHello.java:651|Produced ClientHello
                          handshake message (<br>
                          <br>
                          "ClientHello": {<br>
                          <br>
                            "client version"      : "TLSv1.2",<br>
                          <br>
                            "random"              : "1A BA E8 FC 59 00
                          AB DF 9A 1A 07 94 24 7F 34 3D 0B D2 7D 10 72
                          52 54 CD 44 43 62 E8 8B 42 C6 68",<br>
                          <br>
                            "session id"          : "",<br>
                          <br>
                            "cipher suites"       :
                          "[TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256(0xC023),
                          TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256(0xC027),
                          TLS_RSA_WITH_AES_128_CBC_SHA256(0x003C),
                          TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256(0xC029),
                          TLS_RSA_WITH_AES_128_CBC_SHA(0x002F)]",<br>
                          <br>
                            "compression methods" : "00",<br>
                          <br>
                            "extensions"          : [<br>
                          <br>
                              "supported_groups (10)": {<br>
                          <br>
                                "versions": [secp256r1, secp384r1,
                          secp521r1, secp160k1]<br>
                          <br>
                              },<br>
                          <br>
                              "ec_point_formats (11)": {<br>
                          <br>
                                "formats": [uncompressed]<br>
                          <br>
                              },<br>
                          <br>
                              "signature_algorithms (13)": {<br>
                          <br>
                                "signature schemes":
                          [ecdsa_secp256r1_sha256,
                          ecdsa_secp384r1_sha384,
                          ecdsa_secp512r1_sha512, rsa_pss_rsae_sha256,
                          rsa_pss_rsae_sha384, rsa_pss_rsae_sha512,
                          rsa_pss_pss_sha256, rsa_pss_pss_sha384,
                          rsa_pss_pss_sha512, rsa_pkcs1_sha256,
                          rsa_pkcs1_sha384, rsa_pkcs1_sha512,
                          dsa_sha256, ecdsa_sha224, rsa_sha224,
                          dsa_sha224, ecdsa_sha1, rsa_pkcs1_sha1,
                          dsa_sha1, rsa_md5]<br>
                          <br>
                              },<br>
                          <br>
                              "signature_algorithms_cert (50)": {<br>
                          <br>
                                "signature schemes":
                          [ecdsa_secp256r1_sha256,
                          ecdsa_secp384r1_sha384,
                          ecdsa_secp512r1_sha512, rsa_pss_rsae_sha256,
                          rsa_pss_rsae_sha384, rsa_pss_rsae_sha512,
                          rsa_pss_pss_sha256, rsa_pss_pss_sha384,
                          rsa_pss_pss_sha512, rsa_pkcs1_sha256,
                          rsa_pkcs1_sha384, rsa_pkcs1_sha512,
                          dsa_sha256, ecdsa_sha224, rsa_sha224,
                          dsa_sha224, ecdsa_sha1, rsa_pkcs1_sha1,
                          dsa_sha1, rsa_md5]<br>
                          <br>
                              },<br>
                          <br>
                              "extended_master_secret (23)": {<br>
                          <br>
                                <empty><br>
                          <br>
                              },<br>
                          <br>
                              "supported_versions (43)": {<br>
                          <br>
                                "versions": [TLSv1.2, TLSv1.1]<br>
                          <br>
                              },<br>
                          <br>
                              "renegotiation_info (65,281)": {<br>
                          <br>
                                "renegotiated connection": [<no
                          renegotiated connection>]<br>
                          <br>
                              }<br>
                          <br>
                            ]<br>
                          <br>
                          }<br>
                          <br>
                          )<br>
                          <br>
                          javax.net.ssl|DEBUG|01|main|2019-01-08
                          13:40:14.455 AEDT|Alert.java:232|Received
                          alert message (<br>
                          <br>
                          "Alert": {<br>
                          <br>
                            "level"      : "fatal",<br>
                          <br>
                            "description": "handshake_failure"<br>
                          <br>
                          }<br>
                          <br>
                          )<br>
                          <br>
                          javax.net.ssl|ERROR|01|main|2019-01-08
                          13:40:14.456
                          AEDT|TransportContext.java:313|Fatal
                          (HANDSHAKE_FAILURE): Received fatal alert:
                          handshake_failure (<br>
                          <br>
                          "throwable" : {<br>
                          <br>
                            javax.net.ssl.SSLHandshakeException:
                          Received fatal alert: handshake_failure<br>
                          <br>
                              at
                          java.base/sun.security.ssl.Alert.createSSLException(Alert.java:128)<br>
                          <br>
                              at
                          java.base/sun.security.ssl.Alert.createSSLException(Alert.java:117)<br>
                          <br>
                              at
java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:308)<br>
                          <br>
                              at
                          java.base/sun.security.ssl.Alert$AlertConsumer.consume(Alert.java:279)<br>
                          <br>
                              at
java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:181)<br>
                          <br>
                              at
                          java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:164)<br>
                          <br>
                              at
                          java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1152)<br>
                          <br>
                              at
java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1063)<br>
                          <br>
                              at
java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:402)<br>
                          <br>
                              at
                          SslSocketClient.main(SslSocketClient.kt:47)}<br>
                          <br>
                          <br>
                          )<br>
                          <br>
                          javax.net.ssl|DEBUG|01|main|2019-01-08
                          13:40:14.457
                          AEDT|SSLSocketImpl.java:1361|close the
                          underlying socket<br>
                          <br>
                          javax.net.ssl|DEBUG|01|main|2019-01-08
                          13:40:14.457
                          AEDT|SSLSocketImpl.java:1380|close the SSL
                          connection (initiative)<br>
                          <br>
                          Exception in thread "main"
                          javax.net.ssl.SSLHandshakeException: Received
                          fatal alert: handshake_failure<br>
                          <br>
                            at
                          java.base/sun.security.ssl.Alert.createSSLException(Alert.java:128)<br>
                          <br>
                            at
                          java.base/sun.security.ssl.Alert.createSSLException(Alert.java:117)<br>
                          <br>
                            at
java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:308)<br>
                          <br>
                            at
                          java.base/sun.security.ssl.Alert$AlertConsumer.consume(Alert.java:279)<br>
                          <br>
                            at
java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:181)<br>
                          <br>
                            at
                          java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:164)<br>
                          <br>
                            at
                          java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1152)<br>
                          <br>
                            at
java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1063)<br>
                          <br>
                            at
java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:402)<br>
                          <br>
                            at
                          SslSocketClient.main(SslSocketClient.kt:47)</div>
                        <div><br>
                        </div>
                        <div><br>
                          <br>
                          <br>
                          I've sent my reply earlier but neither got it
                          posted nor denied notification so trying
                          again.</div>
                      </div>
                    </blockquote>
                  </div>
                </blockquote>
              </div>
            </blockquote>
          </div>
        </blockquote>
      </div>
    </blockquote>
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