Thread: Problem with Miracl Library(Shamus Softwares)

Guys, as for introducion, I can code up simple stuff with c++.
But what I suck in is installing & making third party libraies work.

As for my hobby, I love cryptography & I am basically a Delphi coder.

I am trying to grasp c++ aswell.

So for that purpose, bignum libraries are very important in my work.
I've read the readme inside miracl & did accordingly, but in vain.

When I compile my code, its perfect, but when I build it, i get some unreferenced exceptions.

Then I read more, & discovered that the release build (VC++ 2008) uses code optimizations which miracl doesn't support.
I disabled it, but still I get those unreferenced exceptions.

I am using VC++ 2008 & latest miracl version, downloadable from : Shamus Software Limited - Home .

I'll attach my project here, if there is a need for it.

I am looking for some help guys.

Best Regards
KKR

You need to make sure you're linking with the library you want to link with. (I.e., look at page 16 of the user manual.)

I am not quite famaliar with C++ workings.
I've included miracl.h & mirdef.h
Do I include the project ?

make sure your complier linker settings include these libraries, not just in the code itself.

hmm.. How to do that ?

You read page 16 of the user manual which has step-by-step instructions on doing exactly this.

If you didn't get a version, then you should read ahead a few lines or so to "To create a new version of the library".

Alright.. Doing it right away

Ok guys, I did everything according to the manual.
Created everything from scratch.

But now that I include them & try to make a demo protection , I get the same problems.

Here is the download lnk to the project (mrcl.lib, & mirdef.h) are created as directred in the manual.

KeyGenMe.rar — RGhost — file sharing

Best Regards
KKR

The errors that I see are :

Mrcl.lib(mrcore.obj) : error LNK2001: unresolved external symbol _mr_alloc
Mrcl.lib(mrcore.obj) : error LNK2001: unresolved external symbol _mr_first_alloc
Mrcl.lib(mrcore.obj) : error LNK2001: unresolved external symbol _mr_free

it looks to me like you're trying to write a key generator program as an attempt to hack or steal software. this is explicitly forbidden by the forum rules

we will not help you with such a project.

omg.. No..I am trying to write a demo protection scheme to protect my software & release it in Net to see how vulnarable it is to rce.

This in no way is related to hacking a real software.

Hello!
In this library there are two types ECn and Big from MIRACL. As can be established between them to convert?
I have tried:

Code:

ECn x;
Big y;
y = (Big) x;
x = (ECn) y;

Is NOT running