openssl生成自签名证书

用openssl生成自签名证书

  openssl genrsa -out privkey.pem 2048 

  openssl req -new -key privkey.pem -out cert.csr

  openssl req -new -x509 -key privkey.pem -out cacert.pem -days 3650

  openssl rsa -in privkey.pem -pubout -out pubkey.pem

  openssl x509 -req -in cert.csr -out public.der -outform der -signkey privkey.pem -days 3650

  openssl x509 -req -in cert.csr -out public.pem -outform PEM -signkey privkey.pem -days 3650

检测证书信息

openssl x509 -text -inform DER -in privkey.pem

openssl x509 -noout -text -in cert.pem