코딩 공부/보안

openssl 설치 및 키 발급

fullfish 2022. 5. 31. 21:01

openssl 이란

SSL과 TLS프로토콜의 개방형 소스구현

 

openssl을 이용하여 자체적으로 키를 생성할 수 있다.

 

openssl 설치

brew update // 홈브루 최신상태 업데이트
brew search openssl // openssl 검색
brew install openssl1@1.1 // openssl 설치

 

터미널에서 openssl을 입력하면 접속됨

키 발급

개인키 만들기

openssl에 들어간후

genrsa -aes256 -out rootca_private.key 2048
// 암호화 하지 않으려면 -aes256빼고 만들면 됨

개인키로 공개키 만들기

openssl에 들어간후

rsa -in rootca_private.key -out rootca_public_key.pem -pubout

openssl에 접속했던 폴더에 공개키와 개인키가 만들어져있다

개인키와 공개키의 형태

개인키

-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-256-CBC,97E05B7348AEE8045BE71B4C08C0A179
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-----END RSA PRIVATE KEY-----

공개키

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwuBVzfScXsm9lSKL/zPI
0+1z6WcqqA/FCFrlwW4p/tx7UBYzlhRorcEo2jrNpFHCUS9wSPfOzU2IV/g//u30
/UnU5ixQwsglKbOkcbc/30w9kCpJ7bNZyW9fUn8vEmtITnHck+rp1tOywolnY0p8
G+svE/qVguP71mhU+snADgrsJoFOkWJSnCBzqTbS0EEkxYp3xjmqr/3kqc/toKZH
m0pN8UzKwNve0EV0iBAHAKs+lfgivEVWSARpGDUdEixlPpJC8wfrmx8xVXONTCTf
15VSq9WcWTmiDrAnzZoqK5j+jG8AF3m3K7t9/5Tz/Vdp7ccay+uokiL4GmA+RIjA
WwIDAQAB
-----END PUBLIC KEY-----

 

참고

 

[Mac OS] 맥북 OpenSSL 설치

이번 피드에서는 맥북에서 OpenSSL을 설치하는 방법을 알아보겠습니다. OpenSSL 설치시 Homebrew(홈브루)를 이용할 것이기 때문에, 설치를 진행하기 전에 Homebrew(홈브루)가 설치되어있으면 되겠습니다.

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