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Any recommendations for a c-library implementing elliptic curve cryptography - the smaller the better.
I know openSSL provides it, but I want something as small as possible. It doesn't need any fancy stuff like constant time encryption / decryption / signing either.
Bonus points for nice-looking code.
LibTomCrypt has a pretty terse ecc module.
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Closed 9 years ago.
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I'm interested in playing around with adding some language features on top of C and I'm trying to find a good open source parser that I could fork to play with making grammar changes, but I'm not having any lucky just yet. Does anyone know of a good "standalone" parser that would be amenable to modification in this way?
If you're writing it in Python, you can use pycparser. It's a fully compliant C99 parser licensed under the 3-clause BSD license.
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I need to encrypt a char* string in C using blowfish or twofish in Windows.
I can't find a straight forward solution for that.
I don't want to install something like OpenSSL; I need it be a standalone as possible.
Unfortunately Googling for C code results in C# and C++ code.
Can anyone give me a straightforward function for encryption/decryption?
Have you taken a look at "https://www.schneier.com/twofish-download.html" on Bruce Schneier web site? He has reference implementations, as well as optimized implementations of the algorithm. It's been a few years since I looked at it, but you might find it useful.
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As the question stated above, is there any recommended sites to study them??
I've searched online, but mostly give the entire code without teaching what the code does
for example, what does -> do??
btw: I wanna learn these 2 which are for C Programming
These links will help. There is other good stuff at the site as well. And it is C oriented.
http://cslibrary.stanford.edu/103/
http://cslibrary.stanford.edu/102/
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Is there any open source C implementation for PSNR, SSIM or MSE that doesn't rely on OpenCV?
Thanks.
IQA provides a C implementation with no dependencies of the following image quality metrics:
MSE
PSNR
SSIM
MS-SSIM
MS-SSIM*
Google's WebM project provides these calculations in the libvpx library. Specifically in the VP8 encoder.
Then there is also NetPBM, FFMPEG and the x264 Project.
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I see a lot of GD tutorials for PHP, even though GD was written in C, not PHP. Could you please suggest any good tutorial for GD in C?
A bit of googling turned up nothing for me either - this is one of those things, for now anyway, that you must study the API reference and make up your own toy test programs.