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Diffstat (limited to 'lib/ssl/doc/src/notes.xml')
| -rw-r--r-- | lib/ssl/doc/src/notes.xml | 696 |
1 files changed, 692 insertions, 4 deletions
diff --git a/lib/ssl/doc/src/notes.xml b/lib/ssl/doc/src/notes.xml index 917df03b5b..29bf5fc4e7 100644 --- a/lib/ssl/doc/src/notes.xml +++ b/lib/ssl/doc/src/notes.xml @@ -27,6 +27,612 @@ </header> <p>This document describes the changes made to the SSL application.</p> +<section><title>SSL 9.3.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Correct handshake handling, might cause strange symptoms + such as ASN.1 certificate decoding issues.</p> + <p> + Own Id: OTP-15879 Aux Id: ERL-968 </p> + </item> + <item> + <p> + Fix handling of the signature_algorithms_cert extension + in the ClientHello handshake message.</p> + <p> + Own Id: OTP-15887 Aux Id: ERL-973 </p> + </item> + <item> + <p> + Handle new ClientHello extensions when handshake is + paused by the {handshake, hello} ssl option.</p> + <p> + Own Id: OTP-15888 Aux Id: ERL-975 </p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 9.3.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Returned "alert error string" is now same as logged alert + string</p> + <p> + Own Id: OTP-15844</p> + </item> + <item> + <p> + Fix returned extension map fields to follow the + documentation.</p> + <p> + Own Id: OTP-15862 Aux Id: ERL-951 </p> + </item> + <item> + <p> + Avoid DTLS crash due to missing gen_server return value + in DTLS packet demux process.</p> + <p> + Own Id: OTP-15864 Aux Id: ERL-962 </p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 9.3.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Missing check of size of user_data_buffer made internal + socket behave as an active socket instead of active N. + This could cause memory problems.</p> + <p> + Own Id: OTP-15825 Aux Id: ERL-934, OTP-15823 </p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 9.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + The distribution handshake with TLS distribution + (<c>inet_tls_dist</c>) does now utilize the socket option + <c>{nodelay, true}</c>, which decreases the distribution + setup time significantly.</p> + <p> + Own Id: OTP-14792</p> + </item> + <item> + <p> + Correct shutdown reason to avoid an incorrect crash + report</p> + <p> + Own Id: OTP-15710 Aux Id: ERL-893 </p> + </item> + <item> + <p> + Enhance documentation and type specifications.</p> + <p> + Own Id: OTP-15746 Aux Id: ERIERL-333 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + TLS-1.0, TLS-1.1 and DTLS-1.0 are now considered legacy + and not supported by default</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-14865</p> + </item> + <item> + <p> + Use new logger API in ssl. Introduce log levels and + verbose debug logging for SSL.</p> + <p> + Own Id: OTP-15055</p> + </item> + <item> + <p> + Add new API function str_to_suite/1, cipher_suites/3 + (list cipher suites as rfc or OpenSSL name strings) and + suite_to_openssl_str/1</p> + <p> + Own Id: OTP-15483 Aux Id: ERL-924 </p> + </item> + <item> + <p> + Basic support for TLS 1.3 Server for experimental use. + The client is not yet functional, for more information + see the Standards Compliance chapter of the User's Guide.</p> + <p> + Own Id: OTP-15591</p> + </item> + <item> + <p> + Add support for PSK CCM ciphers from RFC 6655</p> + <p> + Own Id: OTP-15626</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 9.2.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Missing check of size of user_data_buffer made internal + socket behave as an active socket instead of active N. + This could cause memory problems.</p> + <p> + Own Id: OTP-15802 Aux Id: ERL-934 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Back port of bug fix ERL-893 from OTP-22 and document + enhancements that will solve dialyzer warnings for users + of the ssl application.</p> + <p> + This change also affects public_key, eldap (and inet + doc).</p> + <p> + Own Id: OTP-15785 Aux Id: ERL-929, ERL-893, PR-2215 </p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 9.2.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + With the default BEAST Mitigation strategy for TLS 1.0 an + empty TLS fragment could be sent after a one-byte + fragment. This glitch has been fixed.</p> + <p> + Own Id: OTP-15054 Aux Id: ERIERL-346 </p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 9.2.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + The timeout for a passive receive was sometimes not + cancelled and later caused a server crash. This bug has + now been corrected.</p> + <p> + Own Id: OTP-14701 Aux Id: ERL-883, ERL-884 </p> + </item> + <item> + <p> + Add tag for passive message (active N) in cb_info to + retain transport transparency.</p> + <p> + Own Id: OTP-15679 Aux Id: ERL-861 </p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 9.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix bug that an incorrect return value for gen_statem + could be created when alert was a result of handling + renegotiation info extension</p> + <p> + Own Id: OTP-15502</p> + </item> + <item> + <p> + Correct check for 3des_ede_cbc, could cause ssl to claim + to support 3des_ede_cbc when cryptolib does not.</p> + <p> + Own Id: OTP-15539</p> + </item> + <item> + <p> + Improved DTLS error handling, avoids unexpected + connection failure in rare cases.</p> + <p> + Own Id: OTP-15561</p> + </item> + <item> + <p> + Corrected active once emulation bug that could cause the + ssl_closed meassage to not be sent. Bug introduced by + OTP-15449</p> + <p> + Own Id: OTP-15666 Aux Id: ERIERL-316, </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Add client option {reuse_session, SessionID::binary()} + that can be used together with new option value + {reuse_sessions, save}. This makes it possible to reuse a + session from a specific connection establishment.</p> + <p> + Own Id: OTP-15369</p> + </item> + <item> + <p> + The Reason part of of the error return from the functions + connect and handshake has a better and documented format. + This will sometimes differ from previous returned + reasons, however those where only documented as term() + and should for that reason not be relied on.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-15423</p> + </item> + <item> + <p> + Refactor of state handling to improve TLS application + data throughput and reduce CPU overhead</p> + <p> + Own Id: OTP-15445</p> + </item> + <item> + <p> + The SSL code has been optimized in many small ways to + reduce CPU load for encryption/decryption, especially for + Erlang's distribution protocol over TLS.</p> + <p> + Own Id: OTP-15529</p> + </item> + <item> + <p> + Add support for active N</p> + <p> + Own Id: OTP-15665 Aux Id: ERL-811, PR-2072 </p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 9.1.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix encoding of the SRP extension length field in ssl. + The old encoding of the SRP extension length could cause + interoperability problems with third party SSL + implementations when SRP was used.</p> + <p> + Own Id: OTP-15477 Aux Id: ERL-790 </p> + </item> + <item> + <p> + Guarantee active once data delivery, handling TCP stream + properly.</p> + <p> + Own Id: OTP-15504 Aux Id: ERL-371 </p> + </item> + <item> + <p> + Correct gen_statem returns for some error cases</p> + <p> + Own Id: OTP-15505</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 9.1.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fixed renegotiation bug. Client did not handle server + initiated renegotiation correctly after rewrite to two + connection processes, due to ERL-622 commit + d87ac1c55188f5ba5cdf72384125d94d42118c18. This could + manifest it self as a " bad_record_mac" alert.</p> + <p> + Also included are some optimizations</p> + <p> + Own Id: OTP-15489 Aux Id: ERL-308 </p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 9.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + PEM cache was not evicting expired entries due to due to + timezone confusion.</p> + <p> + Own Id: OTP-15368</p> + </item> + <item> + <p> + Make sure an error is returned if a "transport_accept + socket" is used in some other call than ssl:handshake* or + ssl:controlling_process</p> + <p> + Own Id: OTP-15384 Aux Id: ERL-756 </p> + </item> + <item> + <p> + Fix timestamp handling in the PEM-cache could cause + entries to not be invalidated at the correct time.</p> + <p> + Own Id: OTP-15402</p> + </item> + <item> + <p> + Extend check for undelivered data at closing, could under + some circumstances fail to deliver all data that was + actually received.</p> + <p> + Own Id: OTP-15412 Aux Id: ERL-731 </p> + </item> + <item> + <p> + Correct signature check for TLS-1.2 that allows different + algorithms for signature of peer cert and peer cert key. + Not all allowed combinations where accepted.</p> + <p> + Own Id: OTP-15415 Aux Id: ERL-763 </p> + </item> + <item> + <p> + Correct gen_statem return value, could cause + renegotiation to fail.</p> + <p> + Own Id: OTP-15418 Aux Id: ERL-770 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Add engine support for RSA key exchange</p> + <p> + Own Id: OTP-15420 Aux Id: ERIERL-268 </p> + </item> + <item> + <p> + ssl now uses active n internally to boost performance. + Old active once behavior can be restored by setting + application variable see manual page for ssl application + (man 6).</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-15449</p> + </item> + </list> + </section> + +</section> + +<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> + <list> + <item> + <p> + Correct cipher suite handling for ECDHE_*, the incorrect + handling could cause an incorrrect suite to be selected + and most likly fail the handshake.</p> + <p> + Own Id: OTP-15203</p> + </item> + </list> + </section> + +</section> + <section><title>SSL 9.0</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -170,6 +776,90 @@ </section> +<section><title>SSL 8.2.6.4</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Add engine support for RSA key exchange</p> + <p> + Own Id: OTP-15420</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 8.2.6.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Extend check for undelivered data at closing, could under + some circumstances fail to deliverd all data that was + acctualy recivied.</p> + <p> + Own Id: OTP-15412</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 8.2.6.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Correct handling of empty server SNI extension</p> + <p> + Own Id: OTP-15168</p> + </item> + <item> + <p> + Correct cipher suite handling for ECDHE_*, the incorrect + handling could cause an incorrrect suite to be selected + and most likly fail the handshake.</p> + <p> + Own Id: OTP-15203</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 8.2.6.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Improve cipher suite handling correcting ECC and TLS-1.2 + requierments. Backport of solution for ERL-641</p> + <p> + Own Id: OTP-15178</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <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> + </list> + </section> + +</section> + <section><title>SSL 8.2.6</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -339,7 +1029,7 @@ <p> TLS sessions must be registered with SNI if provided, so that sessions where client hostname verification would - fail can not connect reusing a session created when the + fail cannot connect reusing a session created when the server name verification succeeded.</p> <p> Own Id: OTP-14632</p> @@ -517,7 +1207,7 @@ public_key:pkix_verify_hostname/2 to verify the hostname of the connection with the server certificates specified hostname during certificate path validation. The user may - explicitly disables it. Also if the hostname can not be + explicitly disables it. Also if the hostname cannot be derived from the first argument to connect or is not supplied by the server name indication option, the check will not be performed.</p> @@ -2948,5 +3638,3 @@ </section> </section> </chapter> - - |