1、自建CA
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# cd /etc/pki/CA/
# (umask 077; openssl genrsa -out private/cakey.pem 2048)
# openssl req -new -x509 -key private/cakey.pem -out cacert.pem -days 3656
Country Name (2 letter code) [XX]:CN
State or Province Name (full name) []:Yunnan
Locality Name (eg, city) [Default City]:Kunming
Organization Name (eg, company) [Default Company Ltd]:San
Organizational Unit Name (eg, section) []:Students
Common Name (eg, your name or your server's hostname) []:ca.san.com
Email Address []:caadmin@san.com
# ls -lh
总用量 20K
-rw-r--r--. 1 root root 1.4K 3月 29 16:18 cacert.pem
# touch serial index.txt serial
# echo 01 > serial
# ls
cacert.pem certs crl index.txt newcerts private serial
2、证书签署
# (umask 077; openssl genrsa -out /root/mykey2.pri 2048) #生成一个私钥
# openssl req -new -key /root/mykey2.pri -out /root/myreq.csr #生成证书
Country Name (2 letter code) [XX]:CN
State or Province Name (full name) []:Yunnan
Locality Name (eg, city) [Default City]:Kunming
Organization Name (eg, company) [Default Company Ltd]:San
Organizational Unit Name (eg, section) []:Students
Common Name (eg, your name or your server's hostname) []:www.san.com
Email Address []:admin@san.com
Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:
# openssl ca -in myreq.csr -out mycert.crt -days 365签署证书
# ls
mycert.crt #证书签署完成
文章题目：自建CA及签署证书
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