# openssl genrsa -des3 -out www_domain_com.key 2048

Enter PEM pass phrase: 비밀번호

// 생성된 키 확인

# openssl rsa -noout -text -in www_domain_com.key

// 키 백업

# cp www_doamin_com.key www_domain_com.key.bak

2) csr 생성

# openssl req -new -key www_doamin_com.key -out www_domain_com.csr

Enter PEM pass phrase: 비밀번호

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Country Name (2 letter code) [AU]:KR

State or Province Name (full name) [Some-State]:Seoul

Locality Name (eg, city) []:Gangseo

Organization Name (eg, company) [Internet Widgits Pty Ltd]:company.com inc

Organizational Unit Name (eg, section) []:Web Team

Common Name (eg, YOUR name) []:www.doamin.com

Email Address []:web@doamin.co.kr

Please enter the following 'extra' attributes

to be sent with your certificate request

A challenge password []: // 넣지 말고 그냥 엔터

An optional company name []:

// csr 확인

# openssl req -noout -text -in www_doamin_com.csr

3) csr 접수

# cat www_domain_com.csr