[Encrypt] 公開金鑰加密 – Public-key cryptography
Intro Public-key cryptography 私鑰產生公鑰 SSH-Key ssh-keygen -y -f id_rsa > id_rsa.pub PEM格式 openssl rsa -in private-key.pem -pubout -out public-key.pem 公私鑰加解密 公私鑰皆可以非對稱的加解密,例如PHP functions: – openssl_private_decrypt – openssl_private_encrypt – openssl_public_decrypt – openssl_public_encrypt