1234567891011打印证书的过期时间openssl x509 -in signed.crt -noout -dates 打印出证书的内容:openssl x509 -in cert.pem -noout -text 打印出证书的系列号openssl x509 -in cert.pem -noout -serial 打印出证书的拥有者名字openssl x509 -in cert.pem -noout -subject1234567891011121314151617181920212223242526以RFC2253规定的格式打印出证书的拥有者名字openssl x509 -in cert.pem -noout -subject -nameopt RFC2253 在支持UTF8的终端一行过打印出证书的拥有者名字openssl x509 -in cert.pem -noout -subject -nameopt oneline -nameopt -escmsb 打印出证书的MD5特征参数openssl x509 -in cert.pem -noout -fingerprint 打印出证书的SHA特征参数openssl x509 -sha1 -in cert.pem -noout -fingerprint 把PEM格式的证书转化成DER格式openssl x509 -in cert.pem -inform PEM -out cert.der -outform DER 把一个证书转化成CSRopenssl x509 -x509toreq -in cert.pem -out req.pem -signkey key.pem 给一个CSR进行处理,颁发字签名证书,增加CA扩展项openssl x509 -req -in careq.pem -extfile openssl.cnf -extensions v3_ca -signkey key.pem -out cacert.pem 给一个CSR签名,增加用户证书扩展项openssl x509 -req -in req.pem -extfile openssl.cnf -extensions v3_usr -CA cacert.pem -CAkey key.pem -CAcreateserial 查看csr文件细节:openssl req -in my.csr -noout -text转载:https://www.cnblogs.com/shenlinken/p/9968274.html
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