please help

[Leigh S. Jones]

Good morning from California.

Although GnuPG does have the ability to use
conventional password encryption, it's design
is really intended for "public key" 
cryptography.

In public key cryptography, each of the users
has his own keyset -- a public key that is to
be shared widely, and a private key that is to 
be kept absolutely and strictly secret.  The
public key is used to encrypt messages for
reading by the person who has the matching
private key.  

For instance, at the bottom of this message 
is my public key.  If you were to create a 
file containing all the text between and 
including the -----BEGIN and -----END
lines, you could import that file into your
keyring (by typing:

gpg --import <filename>

from the command line) then you could use 
my key to encrypt a message only I could
decrypt:

gpg -a -o <encrypted filename> -r Leigh --encrypt <filename>

This is the method of encrypting that will
allow the text of the encrypted file to be pasted
into an e-mail.

When I receive the e-mail, I'll type:

gpg --decrypt <filename>









-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.0.7 (MingW32)

mQGiBDzRVtoRBADUMgp2QRZOxc8SkJ/wLvB1eCZs2tP2ZYBKNd5L6WvsK6iY2T1Q
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=zZpi
-----END PGP PUBLIC KEY BLOCK-----

----- Original Message ----- 
From: "HEMANT BAANDAL" <hemant_baandal@yahoo.com>
To: <gnupg-users@gnupg.org>
Sent: Friday, May 17, 2002 4:46 AM
Subject: please help


> hi guys,
>    this is the first time i using GnuPG. i have
> successfully encrypted the file, what i want to do it
> copy the fle and take it somewhere else, now the
> person who has this file should need to run some kind
> of binary format script which will decrypt the file
> and make it available for use on thhat machine.
> 
> as explained in the GnuPG i cannot decrypt a file
> without giving the "passphrase". i wanted to know if
> there is any way i can decrypt gpg encrypted file
> without giving the "passphrase". my binary file which
> is a c program will automatically decrypt the file
> first and then do the further processes
> 
> Thanks in advance
> Hemant.
> 
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