APP优雅进行SSL证书校验——(一)服务器篇

https://zhuanlan.zhihu.com/p/36628482

生成公钥 pin

https://www.ssllabs.com/ssltest/analyze.html

公钥和证书 pin 介绍

https://m.freebuf.com/articles/endpoint/341407.html

https://medium.com/@Dranko/certificate-pinning-your-android-and-ios-apps-6506972ecb37

证书转换

// crt -> cer
openssl x509 -in 2023.jin.com.crt -out 2023.jin.com.cer -outform der
openssl s_client -connect pre-service.jfzfund.com:443 </dev/null 2>/dev/null | openssl x509 -outform DER > myWebsite.cer

// cer -> pem
openssl x509 -in dnufzfj0.kecezfj -pubkey  -noout > dnufzfj0.pem
// 公钥文件
openssl x509 -inform der -in dnufzfj0.cer -out certificate.pem

通过 chrome 也可以导出.cer 格式证书