OS 운영체제/LINUX
gpg (GPU Privacy Guard 암호화 알고리즘)
yororing
2024. 4. 23. 19:09
01 gpg란
- 'GPU Privacy Guard'의 약자
- GPU: Graphic Processing Unit의 약자
- 암호화 알고리즘
- 1991년 필립 R. 짐머만Philip R. Zimmermann이 PGP(Pretty Good Privacy)라는 전자 우편 암호화 도구를 기반으로 만든 소프트웨어
02 gpgcheck=value
- .repo 파일에서 gpgcheck=value의 의미
# vi /etc/yum.repos.d/myrepo.repo
[base]
name=CentOS-7 - Base
baseurl=http://mirror.centos.org/centos/7/os/x86_64/
gpgcheck=0
#released updates
[update]
name=CentOS-7 - Updates
baseurl=http://mirror.centos.org/centos/7/updates/x86_64/
gpgcheck=0
# yum repolist all
- gpgcheck=0
- Disable GPG signature-checking on packages in all repositories, including local package installation
- might need to set gpgcheck to 0 if a package is unsigned
- but you should be wary that the package could have been maliciously altered
- gpgcheck=1 (기본값)
- Enable GPG signature-checking on all packages in all repositories, including local package installation
- 즉, verify the authenticity of the packages by checking the GPG signatures
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