cryptest.sln failing to build

[Joshua Weadick]

Hello,

I am trying to get started with the crypto++ library and am having trouble with Visual Studio 2019 with Crypto++ 8.4. When I open the cryptest.sln file it builds fine, but when I run it, it fails and throws an exception in the file Integer.cpp. in the class a_times_b_mod_c(). 

I've tried downloading version 8.3 and running that as well and I'm still getting the same issue and would greatly appreciate any feedback on why this may be happening.

[Robert Roessler]

I just built the cryptest.sln with VS 2019 16.8.6 (an "x64 Release" build), ran "cryptest.exe v", and received the following:

All tests passed!

Seed used was 1614107451
Test started at Tue Feb 23 11:10:51 2021
Test ended at Tue Feb 23 11:10:58 2021

What did you do [differently]?

[Jeffrey Walton]

The assert is https://github.com/weidai11/cryptopp/blob/master/integer.cpp#L4397.
The particular test that is failing is this one:
https://github.com/weidai11/cryptopp/blob/master/validat2.cpp#L686.

The assert is expected when running the test suite in a debug build.

The assert is present to alert a developer when divide by 0 has
happened. DebugBreak() is called so a developer can inspect the call
stack to see what has gone sideways.

Also see https://www.cryptopp.com/wiki/Assertions.

Jeff

[Joshua Weadick]

Ah I see, once I ran without debugging it is passing all tests! However I am still having trouble actually integrating the library into my project as when I build it, it throws LNK2001 and LNK2019 errors whenever I try to reference any classes or functions within the crypto++ library. I added the path to cryptlib.h in my Additional Include Directories so I'm very confused on why I'm unable to compile properly. Do I need to rebuild the cryptest.sln within the current project I'm working on? And if so, how then do I debug my own code rather than running the cryptest.sln code every time I try to run my code?

Apologies for what may be simple questions, I've been coding using g++ and gdb for my lower level classes the past 2 years but now I'm in my upper-divs and we have to use Visual Studio so I'm still getting the hang of the functionality as a whole.

Best,

Josh Weadick

[Jeffrey Walton]

On Tue, Feb 23, 2021 at 5:51 PM Joshua Weadick <wea...@usc.edu> wrote:
>
> Ah I see, once I ran without debugging it is passing all tests! However I am still having trouble actually integrating the library into my project as when I build it, it throws LNK2001 and LNK2019 errors whenever I try to reference any classes or functions within the crypto++ library. I added the path to cryptlib.h in my Additional Include Directories so I'm very confused on why I'm unable to compile properly. Do I need to rebuild the cryptest.sln within the current project I'm working on? And if so, how then do I debug my own code rather than running the cryptest.sln code every time I try to run my code?

https://www.cryptopp.com/wiki/Visual_Studio#Runtime_Linking

Jeff