Hey Mario, Perhaps the below site might help you get more information on the cryptographic algorithms.. http://www.garykessler.net/library/crypto.html
Regards Shashank ----- Original Message ----- From: "Cam Turner" <[EMAIL PROTECTED]> To: "Mario Behring" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Tuesday, July 09, 2002 1:50 PM Subject: Re: 3DES versus SHA-1 > On Mon, 2002-07-08 at 12:56, Mario Behring wrote: > > Hi all, > > > > The purpose is to transfer data between sites securely using emails, HTTP, > > FTP, IP (LAN/WAN), etc. > > > > Which algorithm should I use: 3DES or SHA-1 ? > > Umm. I don't think they compare... 3DES is a Cipher (Stream Cipher? I > don't have my books here) and SHA-1 is a cryptographic one-way hashing > algorithm similar to MD5 (but more secure). > > So I'd say from your purpose you should use 3DES to ENCRYPT things (so > that noone can see the contents) or SHA-1 to hash the message before and > after it is sent to make sure it didn't get modified in transit. > > 3DES is vulnerable to certain kinds of attacks.. I seem to recall that > it's a variant of the meet-in-the-middle attack (see Applied > Cryptography by Menezes et al (which he has for free in PDF on his > website))... So maybe you should consider some other encryption > algorithm... > > -- > Cameron Turner > We-Create Inc. > Systems Administrator > [EMAIL PROTECTED] >
