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</header>
<p>This document describes the changes made to the SSL application.</p>
+<section><title>SSL 9.0.3</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Correct alert handling with new TLS sender process, from
+ ssl-9.0.2. CLOSE ALERTS could under some circumstances be
+ encoded using an incorrect cipher state. This would cause
+ the peer to regard them as unknown messages.</p>
+ <p>
+ Own Id: OTP-15337 Aux Id: ERL-738 </p>
+ </item>
+ <item>
+ <p>
+ Correct handling of socket packet option with new TLS
+ sender process, from ssl-9.0.2. When changing the socket
+ option {packet, 1|2|3|4} with ssl:setopts/2 the option
+ must internally be propagated to the sender process as
+ well as the reader process as this particular option also
+ affects the data to be sent.</p>
+ <p>
+ Own Id: OTP-15348 Aux Id: ERL-747 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>SSL 9.0.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Use separate processes for sending and receiving
+ application data for TLS connections to avoid potential
+ deadlock that was most likely to occur when using TLS for
+ Erlang distribution. Note does not change the API.</p>
+ <p>
+ Own Id: OTP-15122</p>
+ </item>
+ <item>
+ <p>
+ Correct handling of empty server SNI extension</p>
+ <p>
+ Own Id: OTP-15168</p>
+ </item>
+ <item>
+ <p>
+ Correct PSK cipher suite handling and add
+ selected_cipher_suite to connection information</p>
+ <p>
+ Own Id: OTP-15172</p>
+ </item>
+ <item>
+ <p>
+ Adopt to the fact that cipher suite sign restriction are
+ relaxed in TLS-1.2</p>
+ <p>
+ Own Id: OTP-15173</p>
+ </item>
+ <item>
+ <p>
+ Enhance error handling of non existing PEM files</p>
+ <p>
+ Own Id: OTP-15174</p>
+ </item>
+ <item>
+ <p>
+ Correct close handling of transport accepted sockets in
+ the error state</p>
+ <p>
+ Own Id: OTP-15216</p>
+ </item>
+ <item>
+ <p>
+ Correct PEM cache to not add references to empty entries
+ when PEM file does not exist.</p>
+ <p>
+ Own Id: OTP-15224</p>
+ </item>
+ <item>
+ <p>
+ Correct handling of all PSK cipher suites</p>
+ <p>
+ Before only some PSK suites would be correctly negotiated
+ and most PSK ciphers suites would fail the connection.</p>
+ <p>
+ Own Id: OTP-15285</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ TLS will now try to order certificate chains if they
+ appear to be unordered. That is prior to TLS 1.3,
+ “certificate_list” ordering was required to be
+ strict, however some implementations already allowed for
+ some flexibility. For maximum compatibility, all
+ implementations SHOULD be prepared to handle potentially
+ extraneous certificates and arbitrary orderings from any
+ TLS version.</p>
+ <p>
+ Own Id: OTP-12983</p>
+ </item>
+ <item>
+ <p>
+ TLS will now try to reconstructed an incomplete
+ certificate chains from its local CA-database and use
+ that data for the certificate path validation. This
+ especially makes sense for partial chains as then the
+ peer might not send an intermediate CA as it is
+ considered the trusted root in that case.</p>
+ <p>
+ Own Id: OTP-15060</p>
+ </item>
+ <item>
+ <p>
+ Option keyfile defaults to certfile and should be trumped
+ with key. This failed for engine keys.</p>
+ <p>
+ Own Id: OTP-15193</p>
+ </item>
+ <item>
+ <p>
+ Error message improvement when own certificate has
+ decoding issues, see also issue ERL-668.</p>
+ <p>
+ Own Id: OTP-15234</p>
+ </item>
+ <item>
+ <p>
+ Correct dialyzer spec for key option</p>
+ <p>
+ Own Id: OTP-15281</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>SSL 9.0.1</title>
<section><title>Fixed Bugs and Malfunctions</title>