-----Original Message----- From: boost-bounces@lists.boost.org [mailto:boost-bounces@lists.boost.org] On Behalf Of Scott McMurray Sent: Thursday, May 06, 2010 1:56 AM To: Boost Developers List Subject: [boost] [rfc] Preliminary Hash Library
I've boostified, cleaned up, and documented the Hash Library I mentioned here about a month ago. Comments, complaints, suggestions, and questions appreciated.
Source code is in the sandbox at http://svn.boost.org/svn/boost/sandbox/hash/
Documentation can be read online at http://www.cs.mcgill.ca/~smcmur/hash/
I was very pleased by how the implementation came together, as templates mean that all the hash algorithms share a substantial portion of their code.
Those details are all hidden from the user, though. Here's an example showing the simplest use of the library:
#include <boost/hash.hpp>
#include <iostream> #include <string>
int main() { std::string s = "Hello World!"; typedef boost::hash::sha2<256> HashPolicy; HashPolicy::digest_type digest = boost::hash::compute_digest<HashPolicy>(s); std::cout << digest << "\n"; }
Looks neat. This is going to be used by lots of total amateurs (it might be me!). So the start is a bit steep? That this is a *cryptographic* hash and a few words and/or links to Wikipedia etc might help? http://en.wikipedia.org/wiki/Cryptographic_hash_function say? A *default* hash policy would also be nice? So the quickstart could be even quicker ;-) MD5 is most suitable for 'amateur' use? - and it is most popular for file digests. (SHA will be chosen by anyone serious). And the quickstart is fine, but a simple hash-my-file example would be good too? Paul --- Paul A. Bristow Prizet Farmhouse Kendal, UK LA8 8AB +44 1539 561830, mobile +44 7714330204 pbristow@hetp.u-net.com