Could you provide me your .exe to test it on my machine? I still don't get 
it and will try it on a fresh and clean machine also. 

Benjamin Schäfer schrieb am Donnerstag, 16. September 2021 um 17:50:42 

> Well, I tested it on another machine at home, but the result remains the 
> same :(
> Benjamin Schäfer schrieb am Donnerstag, 16. September 2021 um 13:37:01 
> UTC+2:
>> I've put a 7z archive with all file I've used into the repository. On the 
>> CTL I switched the working directory to the extracted one. Then I ran the 
>> following commands:
>> nmake /f cryptest.nmake 
>> cl.exe /nologo /W4 /wd4231 /wd4511 /wd4156 /D_MBCS /Zi /TP /GR /EHsc 
>> /DNDEBUG /D_NDEBUG /Oi /Oy /O2 /MT /FI sdkddkver.h /FI winapifamily.h /c 
>> test_Pem.cpp /out:test_pem.obj 
>> test_pem.obj cryptlib.lib kernel32.lib /out:test_pem.exe 
>> After executing test_pem.exe, a .pem file appears with the known result. 
>> I will try the same again when I'm at home on a different machine, just 
>> to be sure, nothing is screwed up on my working machine.
>> Benjamin Schäfer schrieb am Donnerstag, 16. September 2021 um 12:02:37 
>> UTC+2:
>>> I just don't get it. Somehow I can't force the platform toolkit to be 
>>> used. It remains at 140, when I compile with cl.exe. Going to the UI of 
>>> VS2019, building the library with toolset 142 and cryptolib with 142 
>>> produces those results. When I open the CTL of VS2019 and run the cl.exe 
>>> command, I get vc140.pdb as output. This drives me crazy - being one step 
>>> away from the goal and can't figure out what's wrong.
>>> Jeffrey Walton schrieb am Donnerstag, 16. September 2021 um 11:10:36 
>>> UTC+2:
>>>> On Thu, Sep 16, 2021 at 4:37 AM Benjamin Schäfer <> 
>>>> wrote: 
>>>> > 
>>>> > First of all: Thank you for your help and your patience! I really 
>>>> appreciate that. 
>>>> > 
>>>> > I've made the same steps with nmake and built the library. Then I did 
>>>> the same steps with my source file you mentioned, everything on the CTL 
>>>> that came with VS2019 (should make no difference). 
>>>> > 
>>>> > I uploaded the files here: 
>>>> > 
>>>> > 
>>>> > Everything took place in the same directory where the cryptopp .h and 
>>>> .cpp files are located - so I didn't upload them again, because I took 
>>>> them 
>>>> out of the box. Also I added my .pem file, that came out as I reproduced 
>>>> all the steps. 
>>>> You said you are using Visual Studio 2019, but you have a PDB file 
>>>> vc140.pdb. That is Visual Studio 2015. See 
>>>> You cannot mix versions of Visual Studio. Everything needs to be built 
>>>> using Visual Studio 2015 or Visual Studio 2019. 
>>>> Jeff 

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