The recent introduction of OpenSSL 1.1.0 required a lot of internal
changes in ICS which were made backward compatible with older versions.


ICS V8.34 currently supports three OpenSSL versions, but it would make
future maintenance of ICS easier if only the latest OpenSSL 1.1.0 were
supported.  Support for 1.0.1 ceases this year anyway, but 1.0.2 is a
long term version for with support continuing for two or three years.  

Currently there is a lot of conditional code where different versions
differ in some way which leads to bloat.  We are also continuing to
support some obsolete properties that no longer work in 1.1.0, to make
ICS fully backward compatible.  

Benefits of continued support for OpenSSL 1.0.2
- 1.0.2 has longer history, proven reliable
- 1.1.0 only released six weeks ago, perhaps buggy

Benefits of dropping support for OpenSSL 1.0.2
- easier to maintain ICS, less ICS code
- could drop support for obsolete properties, like SslVersionMethod
- no actual new bugs introduced in 1.1.0, yet

So can I please ask users of ICS to comment to this message saying
whether new versions of ICS should continue to support old versions of
OpenSSL.  

Also, would you prefer obsolete properties to remain so old programs
don't need any changes, but perhaps confusing new users who may not
realise these properties are useless.

Angus
  
 


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