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<p class="MsoNormal">In preparation for writing a new engine that supports message digest and asymmetric crypto (sign and decrypt), I am trying to port the existing simple/demo engines from the Engine Corner examples (thanks, Richard!).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The fork of <a href="https://github.com/engine-corner/Lesson-2-A-digest.git">
https://github.com/engine-corner/Lesson-2-A-digest.git</a> that compiles and runs correctly (apparently) on OpenSSL-1.1.1 is
<a href="https://github.com/mouse07410/Lesson-2-A-digest.git">https://github.com/mouse07410/Lesson-2-A-digest.git</a> .<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">But no matter what, I was unable to make either of these two repos to run successfully with OpenSSL-3.0 (master), even though the latter repo at least seems to compile correctly, and answers “Available”. Here’s what I’m getting (for both
versions I built the sample “emd5”engine and copied to the appropriate subdir of the lib/; “openssl3” is an alias that points OPENSSL_CONF at the correct file, and invokes the correct OpenSSL-3.0 “openssl” binary, as it’s not on the main path):<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="p1"><span class="s1">$ penssl version</span><o:p></o:p></p>
<p class="p1"><span class="s1">OpenSSL 1.1.1d</span><span class="apple-converted-space">
</span><span class="s1">10 Sep 2019</span><o:p></o:p></p>
<p class="p1"><span class="s1">$</span> <span class="s1">openssl engine -t -c emd5</span><o:p></o:p></p>
<p class="p1"><span class="s1">(emd5) A simple md5 engine for demonstration purposes</span><o:p></o:p></p>
<p class="p1"><span class="apple-converted-space"> </span><span class="s1">[MD5]</span><o:p></o:p></p>
<p class="p1"><span class="apple-converted-space"> </span><span class="s1">[ available ]</span><o:p></o:p></p>
<p class="p1"><span class="s1">$ echo "shoot" | openssl dgst -md5 -engine emd5</span><o:p></o:p></p>
<p class="p1"><span class="s1">engine "emd5" set.</span><o:p></o:p></p>
<p class="p1"><span class="s1">(stdin)= 61a08703a6a4c774cad650afaedd9c10</span><o:p></o:p></p>
<p class="p1"><span class="s1">$ echo "shoot" | openssl dgst -md5</span><o:p></o:p></p>
<p class="p1"><span class="s1">(stdin)= 61a08703a6a4c774cad650afaedd9c10</span><o:p></o:p></p>
<p class="p1"><span class="s1">$</span><span class="apple-converted-space"> </span><o:p></o:p></p>
<p class="p1"><span class="s1">$ openssl3 version</span><o:p></o:p></p>
<p class="p1"><span class="s1">OpenSSL 3.0.0-dev xx XXX xxxx (Library: OpenSSL 3.0.0-dev xx XXX xxxx)</span><o:p></o:p></p>
<p class="p1"><span class="s1">$ openssl3 engine -t -vv -c emd5</span><o:p></o:p></p>
<p class="p1"><span class="s1">(emd5) A simple md5 engine for demonstration purposes</span><o:p></o:p></p>
<p class="p1"><span class="apple-converted-space"> </span><span class="s1">[MD5]</span><o:p></o:p></p>
<p class="p1"><span class="apple-converted-space"> </span><span class="s1">[ available ]</span><o:p></o:p></p>
<p class="p1"><span class="s1">$ echo "shoot" | openssl3 dgst -md5</span><o:p></o:p></p>
<p class="p1"><span class="s1">MD5(stdin)= 61a08703a6a4c774cad650afaedd9c10</span><o:p></o:p></p>
<p class="p1"><span class="s1">$ echo "shoot" | openssl3 dgst -md5 -engine emd5</span><o:p></o:p></p>
<p class="p1"><span class="s1">engine "emd5" set.</span><o:p></o:p></p>
<p class="p1"><span class="s1">Error setting digest</span><o:p></o:p></p>
<p class="p1"><span class="s1">C0:05:98:0C:01:00:00:00:error:digital envelope routines:EVP_DigestInit_ex:initialization error:crypto/evp/digest.c:224:</span><o:p></o:p></p>
<p class="p1"><span class="s1">$</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Something must be missing from the configuration/setup – but what…? Help would be greatly appreciated!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks!<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:Menlo;color:black">—</span><span style="color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Menlo;color:black">Regards,</span><span style="color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Menlo;color:black">Uri</span><span style="color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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