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Patch Package:           OTP 20.3.8.7
Git Tag:                 OTP-20.3.8.7
Date:                    2018-08-23
Trouble Report Id:       OTP-15233, OTP-15243
Seq num:                
System:                  OTP
Release:                 20
Application:             crypto-4.2.2.2, mnesia-4.15.3.2
Predecessor:             OTP 20.3.8.6

 Check out the git tag OTP-20.3.8.7, and build a full OTP system
 including documentation. Apply one or more applications from this
 build as patches to your installation using the 'otp_patch_apply'
 tool. For information on install requirements, see descriptions for
 each application version below.

 ---------------------------------------------------------------------
 --- crypto-4.2.2.2 --------------------------------------------------
 ---------------------------------------------------------------------

 The crypto-4.2.2.2 application can be applied independently of other
 applications on a full OTP 20 installation.

 --- Improvements and New Features ---

  OTP-15233    Application(s): crypto

               Update the crypto engine functions to handle multiple
               loads of an engine.

               engine_load/3/4 is updated so it doesn't add the engine
               ID to OpenSSLs internal list of engines which makes it
               possible to run the engine_load more than once if it
               doesn't contain global data.

               Added ensure_engine_loaded/2/3 which guarantees that
               the engine just is loaded once and the following calls
               just returns a reference to it. This is done by add the
               ID to the internal OpenSSL list and check if it is
               already registered when the function is called.

               Added ensure_engine_unloaded/1/2 to unload engines
               loaded with ensure_engine_loaded.

               Then some more utility functions are added.

               engine_add/1, adds the engine to OpenSSL internal list

               engine_remove/1, remove the engine from OpenSSL
               internal list

               engine_get_id/1, fetch the engines id

               engine_get_name/1, fetch the engine name


 Full runtime dependencies of crypto-4.2.2.2: erts-9.0, kernel-5.3,
 stdlib-3.4


 ---------------------------------------------------------------------
 --- mnesia-4.15.3.2 -------------------------------------------------
 ---------------------------------------------------------------------

 The mnesia-4.15.3.2 application can be applied independently of other
 applications on a full OTP 20 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-15243    Application(s): mnesia

               Fixed a bug where the bag table index data was not
               deleted when objects were deleted.


 Full runtime dependencies of mnesia-4.15.3.2: erts-9.0, kernel-5.3,
 stdlib-3.4


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