I want to use a cryptography library to implement RSA, DSA and others. Can anyone suggest which is better if you have used it.
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I want to use a cryptography library to implement RSA, DSA and others. Can anyone suggest which is better if you have used it.
My personal favorite is Botan. It allows for as much control as you want.
It allows you to chain several steps together in a “pipe” , where you basically write your data to it and botan first BZip2’s it and then RSA /DSA’s it or whichever function you want and botan provides.
I like the nitty-gritty stuff, like setting bzip to compress at level 9 , so I mix and match whatever functions I find in Botan with what I pick up from other libraries.
Botan doesn’t force much upon the user , and the API is quite sane too.
Also, last one, big ups:
It’s reasonably well-documented! ; http://botan.randombit.net/manual/index.html
I’ve also tried cryptopp under windows, but had quite a few headaches trying to get it to link and work correctly in my projects (version 5.6.0 using MSVC2010) , but according to the changelog, 5.6.1 should’ve fixed this. Also, the documentation is horribly outdated, the tutorial stems from 2002.
And last but not least I have to admit not having tried OpenSSL, but from what I’ve heard, it had quite a learning curve, and the API is in C instead of C++. (I Certainly prefer the latter)