This article will guide you through the process of generating public andprivate keys for encrypting emails. This is for people using command line(unix) mail readers such as Mutt as well as those who use Linux workstations.
2014-3-19 With this PGP key generator, you can generate your own private and public PGP keys. It is also possible to encrypt and decrypt a PGP message. There is no hidden transfer of plain text, and nothing is stored on the server.
How to work with PGP keys using GnuPG. I'll show how to export your public key and import the public keys of others. You must generate your key pair; this will create a private key and a. This blog describes how to generate a private/public key pair using GPG version 1.4.5. The resulting public key will contain two keys, one key for signing and a subkey for encryption. This key can be used with HCM Fusion SaaS to encrypt/decrypt files as they are transferred to and from the UCM server. GNU gpg is encryption and signing tool. Adblock detected 😱 My website is made possible by displaying online advertisements to my visitors. Ads are annoying but they help keep this website running. It is hard to keep the site running and producing new content when so many people block ads. Please consider Continue reading 'Linux create your own GnuPG private and public key'.
Run the following commands on your local workstation:
Note: You will have to run the same command to initialize the directory(step 1) and to generate the key (step 2).
Initialize the GPG Directory
> gpg --gen-key
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gpg (GnuPG) 1.0.6; Copyright (C) 2001 Free Software Foundation, Inc.
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions. See the file COPYING for details.
gpg: /home/keymaster/.gnupg: directory created
gpg: /home/keymaster/.gnupg/options: new options file created
gpg: you have to start GnuPG again, so it can read the new options file
Generate a Private Key
> gpg --gen-key
gpg (GnuPG) 1.0.6; Copyright (C) 2001 Free Software Foundation, Inc.
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions. See the file COPYING for details.
gpg: /home/keymaster/.gnupg/secring.gpg: keyring created
gpg: /home/keymaster/.gnupg/pubring.gpg: keyring created
Please select what kind of key you want:
(1) DSA and ElGamal? (default)
(2) DSA (sign only)
(4) ElGamal? (sign and encrypt)
Your selection? 1
DSA keypair will have 1024 bits.
About to generate a new ELG-E keypair.
minimum keysize is 768 bits
default keysize is 1024 bits
highest suggested keysize is 2048 bits
What keysize do you want? (1024) 4096
you really need such a large keysize? y
Requested keysize is 4096 bits
Please specify how long the key should be valid.
0 = key does not expire
= key expires in n days
w = key expires in n weeks
m = key expires in n months
y = key expires in n years
Key is valid for? (0) 0
Key does not expire at all
Is this correct (y/n)? y
You need a User-ID to identify your key; the software constructsthe user id
from Real Name, Comment and Email Address in this form:
'Heinrich Heine (Der Dichter) '
Real name: Your Real Name
Email address: [email protected]
You selected this USER-ID:
'Your Real Name'
Change (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit? o
You need a Passphrase to protect your secret key.
Enter passphrase: pickapassphrase
Repeat passphrase: pickapassphrase
We need to generate a lot of random bytes. It is a good idea to perform
some other action (type on the keyboard, move the mouse, utilize the
disks) during the prime generation; this gives the random number
generator a better chance to gain enough entropy.
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++..
you may see
..
Not enough random bytes available. Please do some other work to give
the OS a chance to collect more entropy! (Need 290 more bytes)
We need to generate a lot of random bytes. It is a good idea to perform
some other action (type on the keyboard, move the mouse, utilize the
disks) during the prime generation; this gives the random number
generator a better chance to gain enough entropy.
+++++++++++++++.+++++++++++++++.+++++++++++++++++++++++++. publicand secret key created and signed.
Generate and print a copy of your public key ID and fingerprint
>gpg --fingerprint
An an example of the fingerprint output, here is the output of theNMLUG Keymaster's fingerprint:
pub 1024D/14931423 2003-02-13 New Mexico Linux User Group Keymaster
Key fingerprint = 724D 2514 93EC 83D4 E5BC D534 C5BC C12C 1493 1423
sub 2048g/42685AC7 2003-02-13
Store your PGP passphrase in a secure place, such as a password manager(LastPass Premiumis available for free to members of the Penn Community). The PGPsystem has no means to reset your password if you forget it. If you forget yourpassphrase, you will need to create a new key, send it out to everyone, andtell them to use the new one rather than the old one.
If you use mutt to read your email, you may need to add this line to your.muttrc file:
source /usr/local/doc/mutt/samples/gpg.rc
The PuTTYgen program is part of PuTTY, an open source networking client for the Windows platform.
To download PuTTY or PuTTYgen, go to http://www.putty.org/ and click the You can download PuTTY here link.
As the key is being generated, move the mouse around the blank area as directed.
Note:
While a passphrase is not required, you should specify one as a security measure to protect the private key from unauthorized use. When you specify a passphrase, a user must enter the passphrase every time the private key is used.
.ppk
(PuTTY private key).Note:
The.ppk
file extension indicates that the private key is in PuTTY's proprietary format. You must use a key of this format when using PuTTY as your SSH client. It cannot be used with other SSH client tools. Refer to the PuTTY documentation to convert a private key in this format to a different format. Make sure you select all the characters, not just the ones you can see in the narrow window. If a scroll bar is next to the characters, you aren't seeing all the characters.
.pub
extension to indicate that the file contains a public key.ssh
utility on Linux), export the private key:.ppk
format, using an extension such as .openssh
to indicate the file's content.