Thanks for the answer. It helped ! On Sun, Oct 14, 2012 at 11:43 PM, Dave Thompson <dthomp...@prinpay.com>wrote:
> >From: owner-openssl-us...@openssl.org On Behalf Of naveen > >Sent: Saturday, 13 October, 2012 21:59 > > >I have a question related to openssl. I need to give two keys > >k1 and k2 for ede encryption(for des). Now how do I give it in > >the command line ? > >I see that there is a "pass" parameter and "iv" parameter, but > >I could not figure out how to give the two keys. Please help me with this. > > Commandline 'enc' has several ways to specify a passphrase > of which -pass is one, but all of them use PKCS#5 (actually > I believe a slight variant) to derive the actual key from > the passphrase. If you have an actual key to use, you do > NOT want key derivation. Use -K. > > DES-EDE uses a triple-length key, which can be expressed as three > pieces of 8 bytes K1,K2,K3 or a single key of 24 bytes K1K2K3. > By convention, it is also used with a double-length key K1,K2 > or K1K2 by repeating K1: K1,K2,K1 or K1K2K1. openssl and 'enc' > use the one-piece representation so use -K K1K2_in_hex . > > > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > User Support Mailing List openssl-users@openssl.org > Automated List Manager majord...@openssl.org > -- D.S.Naveen My Blog: http://www.naveends.blogspot.com
