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<p class="MsoNormal">Dear OpenSSL Users,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This is my first interaction in this community. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">While am trying to build the latest openssl-1.0.2r code on CE-X86 platform, it fails with the below error:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><i><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333;background:whitesmoke">rsa_pk1.c</span></i><i><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#333333"><br>
<span style="background:whitesmoke">.\crypto\rsa\rsa_pk1.c(296) : warning C4761: integral size mismatch in argument</span><br>
<span style="background:whitesmoke">conversion supplied</span><br>
<span style="background:whitesmoke">.\crypto\rsa\rsa_pk1.c(296) : error C2220: warning treated as error - no object</span><br>
<span style="background:whitesmoke">file generated</span><br>
<span style="background:whitesmoke">NMAKE : fatal error U1077: 'cl.exe' : return code '0x2'</span></span><o:p></o:p></i></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The below is the failing line (Line# 296) in rsa_pk1.c<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> <i>to[i] = constant_time_select_8(mask, from[i], to[i]);</i>
<b>(Here the second parameter takes a <i>unsigned char </i>data type while the passed one is a
<i>const unsigned char </i>)<o:p></o:p></b></p>
<p class="MsoNormal"><b><o:p> </o:p></b></p>
<p class="MsoNormal"><b>Can I fix this just by type casting to unsigned char using a Perl patch? Is there a better way to fix this?<o:p></o:p></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">NOTE:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">The above line doesn’t exist in older code (1.0.2.q) and so no issues on older builds.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">This new code builds fine on CE-Arm, CE-Shx, NT-VS10, NT-VS15 platforms however fails on CE-X86 platform alone and that too because of the warning.
<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">We need to fix this warning and can’t simply use something like Treat Warnings as Errors to No.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">There seems to be similar other occurrences in other files which could also flag warning (For instance, s3_cbc.c).<o:p></o:p></li></ol>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Please advise.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thank you,<o:p></o:p></p>
<p class="MsoNormal">Ashwin<o:p></o:p></p>
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