Is OpenSSL 1.1.1g backward compatible with 1.0.2.f ?

Tomas Mraz tmraz at
Wed Sep 30 07:33:43 UTC 2020


unfortunately no, 1.1.1g is neither API nor ABI compatible with 1.0.2f.

You cannot directly replace 1.0.2f with 1.1.1g. The applications have
to support 1.1.1 release and be recompiled against it to work with it.


Tomas Mraz

On Tue, 2020-09-22 at 14:08 +0000, Kapil Awate wrote:
> Hi,
> Is OpenSSL 1.1.1g backward compatible with 1.0.2.f ? Can anyone help
> me with this ? Is there any impact on existing functionality after
> upgrading it to 1.1.1g ?
> Thanks!
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