# 创建CA证书目录
[root@lo
calhost ~]# mkdir tls
[root@lo
calhost ~]# cd tls/
# 创建CA密钥
[root@localhost tls]# openssl genrsa -aes256 -out ca-key.pem 4096
Generating RSA private key, 4096 bit long modulus
……………………………………………………………………++
…………………………………………………………………………………………………………………………………………………++
e is 65537 (0x10001)
Enter pass phrase for ca-key.pem:
Verifying – Enter pass phrase for ca-key.pem:
# 创建CA证书
[root@localhost tls]# openssl req -new -x509 -days 1000 -key ca-key.pem -sha256 -subj “/CN=*” -out ca.pem
Enter pass phrase for ca-key.pem:
[root@localhost tls]# ll
总用量 8
-rw-r–r–. 1 root root 3326 12月 3 17:20 ca-key.pem
-rw-r–r–. 1 root root 1765 12月 3 19:03 ca.pem
# 创建服务器私钥
[root@localhost tls]# openssl genrsa -out server-key.pem 4096
Generating RSA private key, 4096 bit long modulus
……………………………………………………….++
………………++
e is 65537 (0x10001)
[root@localhost tls]# ll
总用量 12
-rw-r–r–. 1 root root 3326 12月 3 17:20 ca-key.pem
-rw-r–r–. 1 root root 1765 12月 3 19:03 ca.pem
-rw-r–r–. 1 root root 3243 12月 3 19:03 server-key.pem
# 对私钥进行签名
[root@localhost tls]# openssl req -subj “/CN=*” -sha256 -new -key server-key.pem -out server.csr
[root@localhost tls]# ll
总用量 16
-rw-r–r–. 1 root root 3326 12月 3 17:20 ca-key.pem
-rw-r–r–. 1 root root 1765 12月 3 19:03 ca.pem
-rw-r–r–. 1 root root 1574 12月 3 19:04 server.csr
-rw-r–r–. 1 root root 3243 12月 3 19:03 server-key.pem
使用CA证书与私钥签名,输入上面设置的密码
[root@localhost tls]# openssl x509 -req -days 1000 -sha256 -in server.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out server-cert.pem
Signature ok
subject=/CN=*
Getting CA Private Key
Enter pass phrase for ca-key.pem:
#生成客户端密钥
[root@localhost tls]# openssl genrsa -out key.pem 4096
Generating RSA private key, 4096 bit long modulus
……………………………………………………………………………………………………..++
……………………………++
e is 65537 (0x10001)
#对客户端签名
[root@localhost tls]# openssl req -subj “/CN=client” -new -key key.pem -out client.csr
#创建配置文件
[root@localhost tls]# echo extendedKeyUsage=clientAuth > extfile.cnf
#签名证书
[root@localhost tls]# openssl x509 -req -days 1000 -sha256 -in client.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out cert.pem -extfile extfile.cnf
Signature ok
subject=/CN=client
Getting CA Private Key
Enter pass phrase for ca-key.pem:
[root@localhost tls]# ll
总用量 40
-rw-r–r–. 1 root root 3326 12月 3 17:20 ca-key.pem
-rw-r–r–. 1 root root 1765 12月 3 19:03 ca.pem
-rw-r–r–. 1 root root 17 12月 3 19:35 ca.srl
-rw-r–r–. 1 root root 1696 12月 3 19:35 cert.pem
-rw-r–r–. 1 root root 1582 12月 3 19:29 client.csr
-rw-r–r–. 1 root root 28 12月 3 19:32 extfile.cnf
-rw-r–r–. 1 root root 3243 12月 3 19:08 key.pem
-rw-r–r–. 1 root root 1647 12月 3 19:08 server-cert.pem
-rw-r–r–. 1 root root 1574 12月 3 19:04 server.csr
-rw-r–r–. 1 root root 3243 12月 3 19:03 server-key.pem
# 删除多余文件
[root@localhost tls]#