Gpg command encryption and decryption and signature verification instance-Linux general technology-Linux technology and application information, the following is a detailed description. 1. Explore gpg commands
$ Which gpg
/Usr/bin/gpg
$
This article consists of Ilanniweb provide friendship sponsorship, starting in the mud row of the world To get more articles, you can follow my ilanniweb. Why study GPG? Because you want to encrypt the password of a mailbox under Linux, do not let
GpgfunctionGPG is a free tool for encryption and digital signatures, mostly for the transmission of encrypted information. In addition to password-only encryption, the biggest difference in GPG is the provision of a "public/private key" pair. Use
When using the yum installation package of the Red Hat system, one option is the gpgcheck option. When I first started learning, I disabled this option by default, recently, I finally understood how gpg uses gpg as a user's personal encryption and
Comments: GPG and PGP are two types of encryption software. You can use the public key to securely spread your own files on the Internet. I used GPG a few days ago, which was very convenient and encountered some problems. Therefore, I wrote my usage
One, you may encounter this problem during the Yum installation or upgrade processCould not Open/read File:///etc/pki/rpm-gpg/RPM-GPG-KEY-puiasSee (http://linuxsysconfig.com/2013/03/running-multiple-python-versions-on-centos6rhel6sl6/) in this
1. Generate a key pair: gpg -- gen-key Generate a new key pair for the user. Required: Key type (RSA/RSA by default); key length (in bits); expiration time (to prevent key corruption ); (I usually press enter all the way.) Next, enter the name,
Main content: GPG encryption and decryption of the basic operation and a small number of applications.
Brief introduction
Installation
Generate key Operation procedure
Some operations on keys
View Key
Export
In Ruan one peak great God's blog (http://www.ruanyifeng.com/blog/2013/07/gpg.html) goes to school gpg. Here after the practice of the record, in fact, mainly changed the layout, convenient for personal use.
The key file is saved under
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