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Diffstat (limited to 'lib/ssl/doc/src/notes.xml')
| -rw-r--r-- | lib/ssl/doc/src/notes.xml | 589 |
1 files changed, 587 insertions, 2 deletions
diff --git a/lib/ssl/doc/src/notes.xml b/lib/ssl/doc/src/notes.xml index 917df03b5b..0449e83177 100644 --- a/lib/ssl/doc/src/notes.xml +++ b/lib/ssl/doc/src/notes.xml @@ -27,6 +27,509 @@ </header> <p>This document describes the changes made to the SSL application.</p> +<section><title>SSL 9.2.3.3</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> + </list> + </section> + +</section> + +<section><title>SSL 9.2.3.2</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> + </list> + </section> + +</section> + +<section><title>SSL 9.2.3.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Correct solution for retaining tcp flow control OTP-15802 + (ERL-934) as to not break ssl:recv as reported in + (ERL-938)</p> + <p> + Own Id: OTP-15823 Aux Id: ERL-934, ERL-938 </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 +673,90 @@ </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> @@ -2948,5 +3535,3 @@ </section> </section> </chapter> - - |