时间:8.31 - 9.5
-
在 CentOS7 中使用 gpg 创建 RSA 非对称密钥对
[Centos7root@Sat Sep 05 tmp]# cat /etc/redhat-release CentOS Linux release 7.7.1908 (Core) [Centos7root@Sat Sep 05 tmp]# gpg --list-keys [Centos7root@Sat Sep 05 tmp]# gpg --gen-key [Centos7root@Sat Sep 05 tmp]# gpg --list-keys /root/.gnupg/pubring.gpg ------------------------ pub 2048R/94C7C969 2020-09-05 uid TreeZeng sub 2048R/D37B59A6 2020-09-05 [Centos7root@Sat Sep 05 tmp]# gpg -a --export -o TreeZeng.pubkey # gpg生成私钥时不会自动生成公钥,需要手动导出公钥(公钥是可以通过私钥计算出来的) [Centos7root@Sat Sep 05 tmp]# ls TreeZeng.pubkey -
将 CentOS7 导出的公钥,拷贝到 CentOS8 中,在 CentOS8 中使用 CentOS7 的公钥加密一个文件
[Centos7root@Sat Sep 05 tmp]# scp TreeZeng.pubkey 172.16.135.202:/tmp [root@CentOS8 tmp]# cat /etc/redhat-release CentOS Linux release 8.2.2004 (Core) [root@CentOS8 tmp]# gpg --list-keys [root@CentOS8 tmp]# gpg --import TreeZeng.pubkey gpg: key FA968E6B94C7C969: public key "TreeZeng" imported gpg: Total number processed: 1 gpg: imported: 1 [root@CentOS8 tmp]# gpg --list-keys /root/.gnupg/pubring.kbx ------------------------ pub rsa2048 2020-09-05 [SC] A2790C03236DC8ED2EAB833BFA968E6B94C7C969 uid [ unknown] TreeZeng sub rsa2048 2020-09-05 [E] [root@CentOS8 tmp]# echo "data from CentOS8" > content.txt [root@CentOS8 tmp]# gpg -e -r TreeZeng content.txt ... Use this key anyway? (y/N) y [root@CentOS8 tmp]# ls content.txt content.txt.gpg TreeZeng.pubkey -
回到 CentOS7 服务器,远程拷贝 file.txt.gpg 文件到本地,使用 CentOS7的私钥解密文件
[Centos7root@Sat Sep 05 tmp]# scp 172.16.135.202:/tmp/content.txt.gpg . root@172.16.135.202's password: content.txt.gpg [Centos7root@Sat Sep 05 tmp]# gpg -o content.txt -d content.txt.gpg gpg: encrypted with 2048-bit RSA key, ID D37B59A6, created 2020-09-05 "TreeZeng" [Centos7root@Sat Sep 05 tmp]# cat content.txt data from CentOS8 -
在 CentOS7 中使用 openssl 软件创建 CA
[Centos7root@Sat Sep 05 CA]# (umask 077; openssl genrsa -out private/cakey.pem 4096) Generating RSA private key, 4096 bit long modulus ................................................................++ ....................................++ e is 65537 (0x10001) [Centos7root@Sat Sep 05 CA]# pwd /etc/pki/CA [Centos7root@Sat Sep 05 CA]# openssl req -new -x509 -key private/cakey.pem -out cacert.pem -days 365 ... [Centos7root@Sat Sep 05 CA]# ls cacert.pem index.txt newcerts private serial -
在 CentOS7 中使用 openssl 软件创建一个证书申请请求文件,并使用上面的跟证书对其进行签署
[Centos7root@Sat Sep 05 tmp]# pwd /tmp (umask 066; openssl genrsa -out test.key 2048) [Centos7root@Sat Sep 05 tmp]# openssl req -new -key test.key -out test.crt ... [Centos7root@Sat Sep 05 tmp]# ls test.csr test.key [Centos7root@Sat Sep 05 tmp]# openssl ca -in test.csr -out test.crt -days 100 -
吊销已经签署成功的证书
[Centos7root@Sat Sep 05 tmp]# openssl x509 -in test.crt -noout -serial -subject serial=01 subject= /C=CN/ST=HeNan/O=T/OU=R/CN=treezeng.cn [Centos7root@Sat Sep 05 tmp]# openssl ca -revoke test.crt Using configuration from /etc/pki/tls/openssl.cnf Revoking Certificate 01. [Centos7root@Sat Sep 05echo 01 > /etc/pki/CA/crlnumber [Centos7root@Sat Sep 05openssl ca -gencrl -out /etc/pki/CA/crl.pem Using configuration from /etc/pki/tls/openssl.cnf
本文详细介绍了如何在CentOS7上使用gpg创建RSA密钥对,并将公钥导入CentOS8进行加密解密操作。此外,还展示了如何在CentOS7中创建和管理CA,签发证书,以及撤销证书的过程。
5323

被折叠的 条评论
为什么被折叠?



