Talk About Network

Google


Register and Login
Nick
Password
Register create new account Sign up is FREE and you can post replies, new topics, bookmark posts and more!
Recover lost password


Programming > Java Security > Re: MessageDige...
Latest [ Topics | Posts ] Archive Post A New Topic Post a Reply
<< Topic < Post Post 2 of 10 Topic 1746 of 1825
Post > Topic >>

Re: MessageDigest Length

by Robert Kochem <robert@[EMAIL PROTECTED] > Dec 15, 2007 at 01:07 PM

sean@[EMAIL PROTECTED]
 schrieb:

> Does anyone know if there is a way of setting the length of the hashed
> value returned from a message digest?

Sorry, but this does not make sense to me. Each digest algorithm has a
specified output length, e.g. MD5 128-Bit, SHA-1 160bit ...
Truncating this output may result in collisions and extending the output
is
also not destined.

If you want a deterministic variable length output generated by a given
input you should look for a PRNG (Pseudo Random Number Generator) using
it's seed as input value.

Robert
 




 10 Posts in Topic:
MessageDigest Length
sean@[EMAIL PROTECTED]   2007-12-11 17:18:45 
Re: MessageDigest Length
Robert Kochem <robert@  2007-12-15 13:07:47 
Re: MessageDigest Length
Roedy Green <see_websi  2008-02-24 14:49:08 
Re: MessageDigest Length
Roedy Green <see_websi  2008-02-24 14:43:54 
Re: MessageDigest Length
Maarten Bodewes <maart  2008-03-22 16:25:42 
Re: MessageDigest Length
Roedy Green <see_websi  2008-03-24 14:41:13 
Re: MessageDigest Length
Maarten Bodewes <maart  2008-03-31 00:06:26 
Re: MessageDigest Length
Roedy Green <see_websi  2008-04-06 14:42:16 
Re: MessageDigest Length
Roedy Green <see_websi  2008-04-06 14:43:44 
Re: MessageDigest Length
rmoldskr+usenet@[EMAIL PR  2008-04-06 15:03:40 

Post A Reply:
  Go here to Signup

AddThis Feed Button


About - Advertising - Contact - Frequently Asked Questions - Privacy Policy - Terms of Use - Signup

Contact
tan12V112 Sat Oct 11 2:21:49 CDT 2008.