Re: [cryptography] Javascript scrypt performance comparison

2015-05-08 Thread Fabio Pietrosanti (naif) - lists
On 5/8/15 2:34 AM, Solar Designer wrote: > On Mon, May 04, 2015 at 11:48:25AM +0200, Fabio Pietrosanti (naif) - lists > wrote: >> Also for upcoming implementation extending scrypt concept, like >> yescrypt/yescrypt-lite it would be very interesting to think how to make >> it faster in the contex

Re: [cryptography] Javascript scrypt performance comparison

2015-05-08 Thread stef
On Fri, May 08, 2015 at 09:04:47AM +0200, Fabio Pietrosanti (naif) - lists wrote: > Do you think that yescrypt-lite in JS will be a reasonable substitute of > scrypt within a defined amount of time (we're open and interested to > integrate latests crypto)? according to someone close to the PHC co

Re: [cryptography] Javascript scrypt performance comparison

2015-05-08 Thread Solar Designer
Hi, Disclosure: I am the designer of yescrypt (building upon Colin Percival's scrypt, obviously), and I am on the PHC panel (along with many others). On Fri, May 08, 2015 at 10:34:28AM +0200, stef wrote: > On Fri, May 08, 2015 at 09:04:47AM +0200, Fabio Pietrosanti (naif) - lists > wrote: > > Do

Re: [cryptography] Javascript scrypt performance comparison

2015-05-08 Thread stef
On Fri, May 08, 2015 at 04:27:19PM +0300, Solar Designer wrote: > On Fri, May 08, 2015 at 10:34:28AM +0200, stef wrote: > > according to someone close to the PHC compo, yescrypt is rich with > > side-channels, > > Worded like that, it's FUD. It's a fully expected kind of FUD, though. sorry - alt

Re: [cryptography] Javascript scrypt performance comparison

2015-05-08 Thread coderman
On 5/8/15, Solar Designer wrote: > ... > The reality is: bcrypt, scrypt, and most PHC finalists use password > dependent memory lookups, and thus are not cache-timing safe... > In typical scenarios, this does not matter. In some, it does. has there been consideration of a processor instruction f