Re: Rolldice 1.1

1999-01-27 Thread Colin Plumb
Stevie Strickland wrote: > Because not all Debian GNU/Linux systems have /dev/urandom (at least > I, personally, had to mknod c 1 9 /dev/urandom myself), and I want > this running on any basic system... eventually, when I had more time > (like this weekend), I was going to add a command line option

An improved rolldice utility

1999-01-27 Thread Colin Plumb
As I care passionately about random numbers, I wrote a version which generates *perfect* results. As per feature requests, it accepts d% as an alias for d100, and interprets a base % as a request for the RoleMaster d100 re-rolling rules as I understand them from the description given. Someone who

Re: MD5, SHA-1, RIPEMD, etc.

1997-06-28 Thread Colin Plumb
Thomas Koenig wrote: > Using the reference you provided, I got around three Megabytes/ CPU > second on a P133 with RIPEMD-160 (using pgcc -O6, I confess :-) How > fast is SHA-1 in comprarison? The RIPEMD folks have been carefully tweaking Pentium hashing times. A speed chart is available at http:

MD5, SHA-1, RIPEMD, etc.

1997-06-25 Thread Colin Plumb
Actually, MD5 is still holding up, but Dobbertin has indeed dented it. Frankly, it would take a *hell* of a determined attacker to manage to turn it into a successful securitty exploit if it's used for file checksums. All of RIPEMD-160, SHA-1 and MD5 are variants on MD4. Frankly, I find the desig