Re: Encrypting again an already encrypted file increase security ?
From: Crusader (krus4d3r@hotmail.com)
Date: 02/16/03
- Previous message: Lyal Collins: "Re: Strong Passwords Revisited"
- In reply to: Sven Fischer: "Encrypting again an already encrypted file increase security ?"
- Next in thread: Alun Jones: "Re: Encrypting again an already encrypted file increase security ?"
- Reply: Alun Jones: "Re: Encrypting again an already encrypted file increase security ?"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]
From: krus4d3r@hotmail.com (Crusader) Date: 16 Feb 2003 05:21:57 -0800
Of course.
Imagine this. You have a plaintext file in english and encrypt it with
Blowfish in CBC mode. After you encrypt again this encrypted file with
IDEA in CBC mode.
The increase of security is in originally you have a plaintext and
after the first encryption you have a "random" file so the next
encryption increase segurity because you have encrypted a random file
and not a plaintext file.
Crusader
-- Sorry for my english
- Next message: Ernst-Udo Wallenborn: "Re: Strong Passwords Revisited"
- Previous message: Lyal Collins: "Re: Strong Passwords Revisited"
- In reply to: Sven Fischer: "Encrypting again an already encrypted file increase security ?"
- Next in thread: Alun Jones: "Re: Encrypting again an already encrypted file increase security ?"
- Reply: Alun Jones: "Re: Encrypting again an already encrypted file increase security ?"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]
Relevant Pages
|
