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I need C versions of AES-128 and DES to run on an embedded SPARC processor. I'm trying to measure the electrical power of these algorithms in software and hardware. Is there a website where I could find software implementations? Currently I can compile C code with my cross-compiler so any language implementations other than C would not be useful.
I have implemented DES in hardware before. How much work would people estimate (hours/lines of code) to implement a software version?
Does anybody know how to use the aes_generic.c and des_generic.c built into the Linux kernel in the crypto directory?
You may want to see if LibTomCrypt will meet your needs
Wikipedia has a list of AES implementations. Simple googling also found a DES implementation in C; you'll have to see if it fits your requirements.
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I want to generate guids to name a set of different files. The main restriction I am having is the fact that I need to implement this in an embedded microcontroller with an RTOS.
The main UUID/GUID libraries i've found are linux/windows based, but don't work for my case. Is there a simple, lightweight implementation available I could use? or I would need to generate my own GUID generator?
Edit:
The MCU does have a random number generator and a real time clock.
I solved the issue using GUID. Initially I thought I could use this only on linux based systems but turns out it can also be used for the MCU and the implementation is quite light weight.
The procedure to generate the GUID comes from this website which also provides the sourcecode of the UUID.c library.
Solution provided by #Kamil Cuk .
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Is there any equivalent of open-source ANSI-C library for cryptographic primitives.
I know about Crypto++ for C++, but was not able to find anything for C
Mostly I need SHA-1, SHA-2, AES, RSA
PolarSSL seems to have quite good coverage.
You could use OpenSSL. It may be a bit over sized for your purpose but it does contain your primitives. It is both used a lot and it is maintained.
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Is there any tool to convert C to J2ME? Help me by providing their list and Links.
There are alternatives for using other programming language to program for Java ME. There are compilers and interpreters.
This answers the question,Cibyl is a programming environment and binary translator that allows compiled C programs to execute on Java ME and BlackBerry phones
MidletPascal - Compiles Pascal to Java ME midlet
There's another interesting tool . Alchemy-OS, it is an environment inside an environment which is Java ME,which interprets the Ether(was E) programming language
Surely not.
J2ME requires certain methods to implemented.
Why should any C code takes this into account?
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I need to know whether there is any BGI library for graphics in Linux.
Please do not suggest any library other than BGI because I want to use it using C and I am comfortable with it.
I want to use it using C and I am comfortable with it
Is that a reason to shun other, perhaps more suitable C accessible libraries that are fit-for-purpose?
A quick search online showed that:
BGI is abandoned
There is BOSS
I quote:
BOSS
This is the BGI Over SDL Subsystem
that consists of a rewrite of old DOS
header file/libraries: Borland's
graphics.h, conio.h, bios.h. Also
includes some support for sound and
for mouse. I started this project to
support a couple DOS game projects a
friend and I were working on many
years ago. Here's the page on which I
had charted my original progress.
Which you can find here
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Are there any Binary Decision Diagram (BDD) libraries for C, or other languages that are tested and have good documentation?
Check the BDD library from CMU.
Also, for basic reference purposes, Pre-Fascicle 1b of The Art of Computer Programming is all about BDDs. Here's a gzipped postscript of it. Knuth has posted a number of the programs he wrote while preparing for it on his Programs to Read page.
Check out CUDD.
For some info on how to set it up in Windows environments try this..
Binary decision diagram Wikipedia entry, in External links section, as a quite complete list of packages.
BDDBDDB is a BDD-based system for resolving logical inferences a la Prolog. It's been used in program analysis, general game playing, and many other domains. It might not be exactly what you're looking for, but it's well-known and well-maintained.