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
$
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
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
GPG is GNU Privacy Guard, a non-commercial version of the encryption tool PGP (pretty good privacy). It is used to encrypt and verify the sending and receiving of emails, files, and other data, ensure the reliability and authenticity of
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,
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
Use the GnuPG encrypted signature to verify the reliability and integrity of the downloaded file
After you download a file from the Internet (such as the installer, ISO image, or a compressed package), the file may be damaged under different
On the one hand, I covet the huge storage space and upload speed of various major cloud storage in China, and on the other hand, I am afraid of the operation of various cloud storage in China. What should I do? You can use GnuPG encryption to
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
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