Re: Need to check on compatibility issue

On Fri, 27 Jun 2025 at 14:11, Neil Horman <[email protected]> wrote:

> All of our openssl releases are backwards compatible with older fips
> providers, no issues are currently known.
>
> To be clear, the above means that libcrypto.so from openssl 3.5 will work
> with the fips.so library from 3.4 and earlier releases.  It does not imply
> any forward compatibility, i.e. the fips.so file from 3.5 is not guaranteed
> to work with the libcrypto.so library from 3.4 and earlier.
>

Actually we test in both directions, e.g. 3.5 library with 3.4 fips test
run is here:

https://github.com/openssl/openssl/actions/runs/15962647468/job/45017739878

And 3.4 library with 3.5 fips test run is here:

https://github.com/openssl/openssl/actions/runs/15962647468/job/45017739860

Matt



>
> Best
> Neil
>
>
> On Fri, Jun 27, 2025 at 7:00 AM omi jha <[email protected]> wrote:
>
>> Hi,
>> Just wanted to check, Is openssl 3.5 (non-FIPS) compatible with FIPS
>> 3.0.9 (FIPS 140-2) or any issues?
>> Thanks,
>> Om
>>
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