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Subject: Re: Encrypting outgoing message but not Gcc?
Date: Sun, 07 Dec 2003 12:35:59 +0100
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On Sun, 07 Dec 2003 03:07:03 -0800, Nathan wrote:

> It's a property of the way almost all assymetric cryptography is
> implemented.  The problem is that public key encryption is
> grotesquely slow, so programs like PGP/GPG don't encrypt the entire
> message with the public key.  Instead, they encrypt the message with
> a symmetric cypher, like IDEA or Blowfish, then encrypt the
> symmetric key with the public key for the desired recipient.  If you
> have multiple recipients, then multiple copies of the encrypted
> symmetric key are included, each encrypted for a specific public key
> pair.

Ah, the first part I'd heard before (but blissfully forgotten), the
second was new to me. Thanks for the clarification!


  Best regards,

--=20
 "Do not feed the oysters under the clouds"                   Adam Sj=F8gren
                                                         asjo@koldfront.dk