使用Certbot申请Let’s encrypt ECC泛域名证书

生成ecc key

准备工作目录

mkdir -p /etc/openssl/awei.me/
cd /etc/openssl/awei.me/

生成ecc key

openssl ecparam -genkey -name secp384r1 | openssl ec -out awei.me-ecc.key

再用key生成证书CSR

openssl req -new -sha256 -key awei.me-ecc.key -nodes -out awei.me-ecc.csr -outform pe

#Country Name (2 letter code) [XX]:CN
#State or Province Name (full name) []:省份
#Locality Name (eg, city) [Default City]:城市
#Organization Name (eg, company) [Default Company Ltd]:
#Organizational Unit Name (eg, section) []:
#Common Name (eg, your name or your server's hostname) []:你的域名 例如泛域名使用*.awei.me
#Email Address []: 你的电子邮件

#Please enter the following 'extra' attributes
#to be sent with your certificate request
#A challenge password []:
#An optional company name []: