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 <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/git/checkouts/incubator-teaclave-crates-c8106113f74feefc/ede1f68/rustls-0.19.1/rustls/src/server/tls12.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>tls12.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../rustls/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../rustls/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span>
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 </pre><pre class="rust"><code><span class="kw">use </span><span class="kw">crate</span>::check::check_message;
 <span class="kw">use </span><span class="kw">crate</span>::error::TLSError;
 <span class="attribute">#[cfg(feature = <span class="string">&quot;logging&quot;</span>)]
 </span><span class="kw">use </span><span class="kw">crate</span>::log::{debug, trace};
 <span class="kw">use </span><span class="kw">crate</span>::msgs::base::Payload;
 <span class="kw">use </span><span class="kw">crate</span>::msgs::ccs::ChangeCipherSpecPayload;
 <span class="kw">use </span><span class="kw">crate</span>::msgs::codec::Codec;
 <span class="kw">use </span><span class="kw">crate</span>::msgs::enums::AlertDescription;
 <span class="kw">use </span><span class="kw">crate</span>::msgs::enums::{ContentType, HandshakeType, ProtocolVersion};
 <span class="kw">use </span><span class="kw">crate</span>::msgs::handshake::HandshakeMessagePayload;
 <span class="kw">use </span><span class="kw">crate</span>::msgs::handshake::HandshakePayload;
 <span class="kw">use </span><span class="kw">crate</span>::msgs::handshake::NewSessionTicketPayload;
 <span class="kw">use </span><span class="kw">crate</span>::msgs::message::{Message, MessagePayload};
 <span class="kw">use </span><span class="kw">crate</span>::msgs::persist;
 <span class="kw">use </span><span class="kw">crate</span>::server::ServerSessionImpl;
 <span class="kw">use </span><span class="kw">crate</span>::session::SessionSecrets;
 <span class="kw">use </span><span class="kw">crate</span>::verify;

 <span class="kw">use </span><span class="kw">crate</span>::server::common::{ClientCertDetails, HandshakeDetails, ServerKXDetails};
 <span class="kw">use </span><span class="kw">crate</span>::server::hs;

 <span class="kw">use </span>ring::constant_time;

 <span class="comment">// --- Process client&#39;s Certificate for client auth ---
 </span><span class="kw">pub struct </span>ExpectCertificate {
     <span class="kw">pub </span>handshake: HandshakeDetails,
     <span class="kw">pub </span>server_kx: ServerKXDetails,
     <span class="kw">pub </span>send_ticket: bool,
 }

 <span class="kw">impl </span>ExpectCertificate {
     <span class="kw">fn </span>into_expect_tls12_client_kx(<span class="self">self</span>, cert: <span class="prelude-ty">Option</span>&lt;ClientCertDetails&gt;) -&gt; hs::NextState {
         Box::new(ExpectClientKX {
             handshake: <span class="self">self</span>.handshake,
             server_kx: <span class="self">self</span>.server_kx,
             client_cert: cert,
             send_ticket: <span class="self">self</span>.send_ticket,
         })
     }
 }

 <span class="kw">impl </span>hs::State <span class="kw">for </span>ExpectCertificate {
     <span class="kw">fn </span>handle(
         <span class="kw-2">mut </span><span class="self">self</span>: Box&lt;<span class="self">Self</span>&gt;,
         sess: <span class="kw-2">&amp;mut </span>ServerSessionImpl,
         m: Message,
     ) -&gt; hs::NextStateOrError {
         <span class="kw">let </span>cert_chain =
             <span class="macro">require_handshake_msg!</span>(m, HandshakeType::Certificate, HandshakePayload::Certificate)<span class="question-mark">?</span>;
         <span class="self">self</span>.handshake
             .transcript
             .add_message(<span class="kw-2">&amp;</span>m);

         <span class="comment">// If we can&#39;t determine if the auth is mandatory, abort
         </span><span class="kw">let </span>mandatory = sess
             .config
             .verifier
             .client_auth_mandatory(sess.get_sni())
             .ok_or_else(|| {
                 <span class="macro">debug!</span>(<span class="string">&quot;could not determine if client auth is mandatory based on SNI&quot;</span>);
                 sess.common
                     .send_fatal_alert(AlertDescription::AccessDenied);
                 TLSError::General(<span class="string">&quot;client rejected by client_auth_mandatory&quot;</span>.into())
             })<span class="question-mark">?</span>;

         <span class="kw">if </span>cert_chain.is_empty() {
             <span class="kw">if </span>!mandatory {
                 <span class="macro">debug!</span>(<span class="string">&quot;client auth requested but no certificate supplied&quot;</span>);
                 <span class="self">self</span>.handshake
                     .transcript
                     .abandon_client_auth();
                 <span class="kw">return </span><span class="prelude-val">Ok</span>(<span class="self">self</span>.into_expect_tls12_client_kx(<span class="prelude-val">None</span>));
             }
             sess.common
                 .send_fatal_alert(AlertDescription::CertificateRequired);
             <span class="kw">return </span><span class="prelude-val">Err</span>(TLSError::NoCertificatesPresented);
         }

         <span class="macro">trace!</span>(<span class="string">&quot;certs {:?}&quot;</span>, cert_chain);

         sess.config
             .verifier
             .verify_client_cert(cert_chain, sess.get_sni())
             .or_else(|err| {
                 hs::incompatible(sess, <span class="string">&quot;certificate invalid&quot;</span>);
                 <span class="prelude-val">Err</span>(err)
             })<span class="question-mark">?</span>;

         <span class="kw">let </span>cert = ClientCertDetails::new(cert_chain.clone());
         <span class="prelude-val">Ok</span>(<span class="self">self</span>.into_expect_tls12_client_kx(<span class="prelude-val">Some</span>(cert)))
     }
 }

 <span class="comment">// --- Process client&#39;s KeyExchange ---
 </span><span class="kw">pub struct </span>ExpectClientKX {
     <span class="kw">pub </span>handshake: HandshakeDetails,
     <span class="kw">pub </span>server_kx: ServerKXDetails,
     <span class="kw">pub </span>client_cert: <span class="prelude-ty">Option</span>&lt;ClientCertDetails&gt;,
     <span class="kw">pub </span>send_ticket: bool,
 }

 <span class="kw">impl </span>ExpectClientKX {
     <span class="kw">fn </span>into_expect_tls12_certificate_verify(<span class="self">self</span>, secrets: SessionSecrets) -&gt; hs::NextState {
         Box::new(ExpectCertificateVerify {
             secrets,
             handshake: <span class="self">self</span>.handshake,
             client_cert: <span class="self">self</span>.client_cert.unwrap(),
             send_ticket: <span class="self">self</span>.send_ticket,
         })
     }

     <span class="kw">fn </span>into_expect_tls12_ccs(<span class="self">self</span>, secrets: SessionSecrets) -&gt; hs::NextState {
         Box::new(ExpectCCS {
             secrets,
             handshake: <span class="self">self</span>.handshake,
             resuming: <span class="bool-val">false</span>,
             send_ticket: <span class="self">self</span>.send_ticket,
         })
     }
 }

 <span class="kw">impl </span>hs::State <span class="kw">for </span>ExpectClientKX {
     <span class="kw">fn </span>handle(
         <span class="kw-2">mut </span><span class="self">self</span>: Box&lt;<span class="self">Self</span>&gt;,
         sess: <span class="kw-2">&amp;mut </span>ServerSessionImpl,
         m: Message,
     ) -&gt; hs::NextStateOrError {
         <span class="kw">let </span>client_kx = <span class="macro">require_handshake_msg!</span>(
             m,
             HandshakeType::ClientKeyExchange,
             HandshakePayload::ClientKeyExchange
         )<span class="question-mark">?</span>;
         <span class="self">self</span>.handshake
             .transcript
             .add_message(<span class="kw-2">&amp;</span>m);

         <span class="comment">// Complete key agreement, and set up encryption with the
         // resulting premaster secret.
         </span><span class="kw">let </span>kx = <span class="self">self</span>.server_kx.take_kx();
         <span class="kw">if </span>!kx.check_client_params(<span class="kw-2">&amp;</span>client_kx.<span class="number">0</span>) {
             sess.common
                 .send_fatal_alert(AlertDescription::DecodeError);
             <span class="kw">return </span><span class="prelude-val">Err</span>(TLSError::CorruptMessagePayload(ContentType::Handshake));
         }

         <span class="kw">let </span>kxd = kx
             .server_complete(<span class="kw-2">&amp;</span>client_kx.<span class="number">0</span>)
             .ok_or_else(|| {
                 TLSError::PeerMisbehavedError(<span class="string">&quot;key exchange completion failed&quot;</span>.to_string())
             })<span class="question-mark">?</span>;

         <span class="kw">let </span>hashalg = sess
             .common
             .get_suite_assert()
             .get_hash();
         <span class="kw">let </span>secrets = <span class="kw">if </span><span class="self">self</span>.handshake.using_ems {
             <span class="kw">let </span>handshake_hash = <span class="self">self
                 </span>.handshake
                 .transcript
                 .get_current_hash();
             SessionSecrets::new_ems(
                 <span class="kw-2">&amp;</span><span class="self">self</span>.handshake.randoms,
                 <span class="kw-2">&amp;</span>handshake_hash,
                 hashalg,
                 <span class="kw-2">&amp;</span>kxd.shared_secret,
             )
         } <span class="kw">else </span>{
             SessionSecrets::new(<span class="kw-2">&amp;</span><span class="self">self</span>.handshake.randoms, hashalg, <span class="kw-2">&amp;</span>kxd.shared_secret)
         };
         sess.config.key_log.log(
             <span class="string">&quot;CLIENT_RANDOM&quot;</span>,
             <span class="kw-2">&amp;</span>secrets.randoms.client,
             <span class="kw-2">&amp;</span>secrets.master_secret,
         );
         sess.common
             .start_encryption_tls12(<span class="kw-2">&amp;</span>secrets);

         <span class="kw">if </span><span class="self">self</span>.client_cert.is_some() {
             <span class="prelude-val">Ok</span>(<span class="self">self</span>.into_expect_tls12_certificate_verify(secrets))
         } <span class="kw">else </span>{
             <span class="prelude-val">Ok</span>(<span class="self">self</span>.into_expect_tls12_ccs(secrets))
         }
     }
 }

 <span class="comment">// --- Process client&#39;s certificate proof ---
 </span><span class="kw">pub struct </span>ExpectCertificateVerify {
     secrets: SessionSecrets,
     handshake: HandshakeDetails,
     client_cert: ClientCertDetails,
     send_ticket: bool,
 }

 <span class="kw">impl </span>ExpectCertificateVerify {
     <span class="kw">fn </span>into_expect_tls12_ccs(<span class="self">self</span>) -&gt; hs::NextState {
         Box::new(ExpectCCS {
             secrets: <span class="self">self</span>.secrets,
             handshake: <span class="self">self</span>.handshake,
             resuming: <span class="bool-val">false</span>,
             send_ticket: <span class="self">self</span>.send_ticket,
         })
     }
 }

 <span class="kw">impl </span>hs::State <span class="kw">for </span>ExpectCertificateVerify {
     <span class="kw">fn </span>handle(
         <span class="kw-2">mut </span><span class="self">self</span>: Box&lt;<span class="self">Self</span>&gt;,
         sess: <span class="kw-2">&amp;mut </span>ServerSessionImpl,
         m: Message,
     ) -&gt; hs::NextStateOrError {
         <span class="kw">let </span>rc = {
             <span class="kw">let </span>sig = <span class="macro">require_handshake_msg!</span>(
                 m,
                 HandshakeType::CertificateVerify,
                 HandshakePayload::CertificateVerify
             )<span class="question-mark">?</span>;
             <span class="kw">let </span>handshake_msgs = <span class="self">self
                 </span>.handshake
                 .transcript
                 .take_handshake_buf();
             <span class="kw">let </span>certs = <span class="kw-2">&amp;</span><span class="self">self</span>.client_cert.cert_chain;

             sess.config
                 .get_verifier()
                 .verify_tls12_signature(<span class="kw-2">&amp;</span>handshake_msgs, <span class="kw-2">&amp;</span>certs[<span class="number">0</span>], sig)
         };

         <span class="kw">if let </span><span class="prelude-val">Err</span>(e) = rc {
             sess.common
                 .send_fatal_alert(AlertDescription::AccessDenied);
             <span class="kw">return </span><span class="prelude-val">Err</span>(e);
         }

         <span class="macro">trace!</span>(<span class="string">&quot;client CertificateVerify OK&quot;</span>);
         sess.client_cert_chain = <span class="prelude-val">Some</span>(<span class="self">self</span>.client_cert.take_chain());

         <span class="self">self</span>.handshake
             .transcript
             .add_message(<span class="kw-2">&amp;</span>m);
         <span class="prelude-val">Ok</span>(<span class="self">self</span>.into_expect_tls12_ccs())
     }
 }

 <span class="comment">// --- Process client&#39;s ChangeCipherSpec ---
 </span><span class="kw">pub struct </span>ExpectCCS {
     <span class="kw">pub </span>secrets: SessionSecrets,
     <span class="kw">pub </span>handshake: HandshakeDetails,
     <span class="kw">pub </span>resuming: bool,
     <span class="kw">pub </span>send_ticket: bool,
 }

 <span class="kw">impl </span>ExpectCCS {
     <span class="kw">fn </span>into_expect_tls12_finished(<span class="self">self</span>) -&gt; hs::NextState {
         Box::new(ExpectFinished {
             secrets: <span class="self">self</span>.secrets,
             handshake: <span class="self">self</span>.handshake,
             resuming: <span class="self">self</span>.resuming,
             send_ticket: <span class="self">self</span>.send_ticket,
         })
     }
 }

 <span class="kw">impl </span>hs::State <span class="kw">for </span>ExpectCCS {
     <span class="kw">fn </span>handle(<span class="self">self</span>: Box&lt;<span class="self">Self</span>&gt;, sess: <span class="kw-2">&amp;mut </span>ServerSessionImpl, m: Message) -&gt; hs::NextStateOrError {
         check_message(<span class="kw-2">&amp;</span>m, <span class="kw-2">&amp;</span>[ContentType::ChangeCipherSpec], <span class="kw-2">&amp;</span>[])<span class="question-mark">?</span>;

         <span class="comment">// CCS should not be received interleaved with fragmented handshake-level
         // message.
         </span>hs::check_aligned_handshake(sess)<span class="question-mark">?</span>;

         sess.common
             .record_layer
             .start_decrypting();
         <span class="prelude-val">Ok</span>(<span class="self">self</span>.into_expect_tls12_finished())
     }
 }

 <span class="comment">// --- Process client&#39;s Finished ---
 </span><span class="kw">fn </span>get_server_session_value_tls12(
     secrets: <span class="kw-2">&amp;</span>SessionSecrets,
     handshake: <span class="kw-2">&amp;</span>HandshakeDetails,
     sess: <span class="kw-2">&amp;</span>ServerSessionImpl,
 ) -&gt; persist::ServerSessionValue {
     <span class="kw">let </span>scs = sess.common.get_suite_assert();
     <span class="kw">let </span>version = ProtocolVersion::TLSv1_2;
     <span class="kw">let </span>secret = secrets.get_master_secret();

     <span class="kw">let </span><span class="kw-2">mut </span>v = persist::ServerSessionValue::new(
         sess.get_sni(),
         version,
         scs.suite,
         secret,
         <span class="kw-2">&amp;</span>sess.client_cert_chain,
         sess.alpn_protocol.clone(),
         sess.resumption_data.clone(),
     );

     <span class="kw">if </span>handshake.using_ems {
         v.set_extended_ms_used();
     }

     v
 }

 <span class="kw">pub fn </span>emit_ticket(
     secrets: <span class="kw-2">&amp;</span>SessionSecrets,
     handshake: <span class="kw-2">&amp;mut </span>HandshakeDetails,
     sess: <span class="kw-2">&amp;mut </span>ServerSessionImpl,
 ) {
     <span class="comment">// If we can&#39;t produce a ticket for some reason, we can&#39;t
     // report an error. Send an empty one.
     </span><span class="kw">let </span>plain = get_server_session_value_tls12(secrets, handshake, sess).get_encoding();
     <span class="kw">let </span>ticket = sess
         .config
         .ticketer
         .encrypt(<span class="kw-2">&amp;</span>plain)
         .unwrap_or_else(Vec::new);
     <span class="kw">let </span>ticket_lifetime = sess.config.ticketer.get_lifetime();

     <span class="kw">let </span>m = Message {
         typ: ContentType::Handshake,
         version: ProtocolVersion::TLSv1_2,
         payload: MessagePayload::Handshake(HandshakeMessagePayload {
             typ: HandshakeType::NewSessionTicket,
             payload: HandshakePayload::NewSessionTicket(NewSessionTicketPayload::new(
                 ticket_lifetime,
                 ticket,
             )),
         }),
     };

     handshake.transcript.add_message(<span class="kw-2">&amp;</span>m);
     sess.common.send_msg(m, <span class="bool-val">false</span>);
 }

 <span class="kw">pub fn </span>emit_ccs(sess: <span class="kw-2">&amp;mut </span>ServerSessionImpl) {
     <span class="kw">let </span>m = Message {
         typ: ContentType::ChangeCipherSpec,
         version: ProtocolVersion::TLSv1_2,
         payload: MessagePayload::ChangeCipherSpec(ChangeCipherSpecPayload {}),
     };

     sess.common.send_msg(m, <span class="bool-val">false</span>);
 }

 <span class="kw">pub fn </span>emit_finished(
     secrets: <span class="kw-2">&amp;</span>SessionSecrets,
     handshake: <span class="kw-2">&amp;mut </span>HandshakeDetails,
     sess: <span class="kw-2">&amp;mut </span>ServerSessionImpl,
 ) {
     <span class="kw">let </span>vh = handshake.transcript.get_current_hash();
     <span class="kw">let </span>verify_data = secrets.server_verify_data(<span class="kw-2">&amp;</span>vh);
     <span class="kw">let </span>verify_data_payload = Payload::new(verify_data);

     <span class="kw">let </span>f = Message {
         typ: ContentType::Handshake,
         version: ProtocolVersion::TLSv1_2,
         payload: MessagePayload::Handshake(HandshakeMessagePayload {
             typ: HandshakeType::Finished,
             payload: HandshakePayload::Finished(verify_data_payload),
         }),
     };

     handshake.transcript.add_message(<span class="kw-2">&amp;</span>f);
     sess.common.send_msg(f, <span class="bool-val">true</span>);
 }

 <span class="kw">pub struct </span>ExpectFinished {
     secrets: SessionSecrets,
     handshake: HandshakeDetails,
     resuming: bool,
     send_ticket: bool,
 }

 <span class="kw">impl </span>ExpectFinished {
     <span class="kw">fn </span>into_expect_tls12_traffic(<span class="self">self</span>, fin: verify::FinishedMessageVerified) -&gt; hs::NextState {
         Box::new(ExpectTraffic {
             secrets: <span class="self">self</span>.secrets,
             _fin_verified: fin,
         })
     }
 }

 <span class="kw">impl </span>hs::State <span class="kw">for </span>ExpectFinished {
     <span class="kw">fn </span>handle(
         <span class="kw-2">mut </span><span class="self">self</span>: Box&lt;<span class="self">Self</span>&gt;,
         sess: <span class="kw-2">&amp;mut </span>ServerSessionImpl,
         m: Message,
     ) -&gt; hs::NextStateOrError {
         <span class="kw">let </span>finished =
             <span class="macro">require_handshake_msg!</span>(m, HandshakeType::Finished, HandshakePayload::Finished)<span class="question-mark">?</span>;

         hs::check_aligned_handshake(sess)<span class="question-mark">?</span>;

         <span class="kw">let </span>vh = <span class="self">self
             </span>.handshake
             .transcript
             .get_current_hash();
         <span class="kw">let </span>expect_verify_data = <span class="self">self</span>.secrets.client_verify_data(<span class="kw-2">&amp;</span>vh);

         <span class="kw">let </span>fin = constant_time::verify_slices_are_equal(<span class="kw-2">&amp;</span>expect_verify_data, <span class="kw-2">&amp;</span>finished.<span class="number">0</span>)
             .map_err(|<span class="kw">_</span>| {
                 sess.common
                     .send_fatal_alert(AlertDescription::DecryptError);
                 TLSError::DecryptError
             })
             .map(|<span class="kw">_</span>| verify::FinishedMessageVerified::assertion())<span class="question-mark">?</span>;

         <span class="comment">// Save session, perhaps
         </span><span class="kw">if </span>!<span class="self">self</span>.resuming &amp;&amp; !<span class="self">self</span>.handshake.session_id.is_empty() {
             <span class="kw">let </span>value = get_server_session_value_tls12(<span class="kw-2">&amp;</span><span class="self">self</span>.secrets, <span class="kw-2">&amp;</span><span class="self">self</span>.handshake, sess);

             <span class="kw">let </span>worked = sess.config.session_storage.put(
                 <span class="self">self</span>.handshake.session_id.get_encoding(),
                 value.get_encoding(),
             );
             <span class="kw">if </span>worked {
                 <span class="macro">debug!</span>(<span class="string">&quot;Session saved&quot;</span>);
             } <span class="kw">else </span>{
                 <span class="macro">debug!</span>(<span class="string">&quot;Session not saved&quot;</span>);
             }
         }

         <span class="comment">// Send our CCS and Finished.
         </span><span class="self">self</span>.handshake
             .transcript
             .add_message(<span class="kw-2">&amp;</span>m);
         <span class="kw">if </span>!<span class="self">self</span>.resuming {
             <span class="kw">if </span><span class="self">self</span>.send_ticket {
                 emit_ticket(<span class="kw-2">&amp;</span><span class="self">self</span>.secrets, <span class="kw-2">&amp;mut </span><span class="self">self</span>.handshake, sess);
             }
             emit_ccs(sess);
             sess.common
                 .record_layer
                 .start_encrypting();
             emit_finished(<span class="kw-2">&amp;</span><span class="self">self</span>.secrets, <span class="kw-2">&amp;mut </span><span class="self">self</span>.handshake, sess);
         }

         sess.common.start_traffic();
         <span class="prelude-val">Ok</span>(<span class="self">self</span>.into_expect_tls12_traffic(fin))
     }
 }

 <span class="comment">// --- Process traffic ---
 </span><span class="kw">pub struct </span>ExpectTraffic {
     secrets: SessionSecrets,
     _fin_verified: verify::FinishedMessageVerified,
 }

 <span class="kw">impl </span>ExpectTraffic {}

 <span class="kw">impl </span>hs::State <span class="kw">for </span>ExpectTraffic {
     <span class="kw">fn </span>handle(
         <span class="self">self</span>: Box&lt;<span class="self">Self</span>&gt;,
         sess: <span class="kw-2">&amp;mut </span>ServerSessionImpl,
         <span class="kw-2">mut </span>m: Message,
     ) -&gt; hs::NextStateOrError {
         check_message(<span class="kw-2">&amp;</span>m, <span class="kw-2">&amp;</span>[ContentType::ApplicationData], <span class="kw-2">&amp;</span>[])<span class="question-mark">?</span>;
         sess.common
             .take_received_plaintext(m.take_opaque_payload().unwrap());
         <span class="prelude-val">Ok</span>(<span class="self">self</span>)
     }

     <span class="kw">fn </span>export_keying_material(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         output: <span class="kw-2">&amp;mut </span>[u8],
         label: <span class="kw-2">&amp;</span>[u8],
         context: <span class="prelude-ty">Option</span>&lt;<span class="kw-2">&amp;</span>[u8]&gt;,
     ) -&gt; <span class="prelude-ty">Result</span>&lt;(), TLSError&gt; {
         <span class="self">self</span>.secrets
             .export_keying_material(output, label, context);
         <span class="prelude-val">Ok</span>(())
     }
 }
 </code></pre></div>
 </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rustls" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html>