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:

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

1997-06-25 Thread Thomas Koenig
Colin Plumb wrote: >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. I agree here. Still, it's probably better to move away

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