Re: Storing passwords

[Tomas Guisasola Gorham <tomas@...>]

	Hi Paco

On Mon, 21 May 2012, Philippe Lhoste wrote:
> On 21/05/2012 15:04, Paco Willers wrote:
> >  I wish to continue my developing on a
> >  server which
> >  doesn't have the crypto C library installed which luacrypto depends on, so
> >  I cannot use
> >  luacrypto here. Is it possible to do hash encrypting in a Lua-only manner?
> >  On the Lua wiki
> >  I saw an article: it is possible with Lua 5.2. Can I switch to Lua 5.2 and
> >  still use Lua
> >  modules/libs that are written for Lua 5.1? (luasocket, coxpcall, copas)
> >  Any tips are welcome.
>
> Indeed, Lua 5.2 has binary operators allowing to compute MD5 or similar 
> algorithms. Probably slower than a C version, but I suppose you won't check 
> thousands of password per second, so it should be OK.
>
> AFAIK, most Lua libraries with native C code will need to be recompiled for 
> Lua 5.2. I had to do that for lfs, luasocket, lpeg...
	If you don't mind using a C library with a binding for Lua,
you should try md5:

http://www.keplerproject.org/md5/

	It can also be installed via LuaRocks:

http://luarocks.org/repositories/rocks/#md5

	Regards,
		Tomás