如何读取X509 V3证书的密钥? [英] how to read the keyusage of a X509 V3 certificate?

问题描述

我想读取证书中的密钥用法"字段.openssl中是否有可用的API?

I want to read the Key usage field in a certificate .is there an API is available in openssl ?

推荐答案

您可以尝试在openssl中使用以下命令.

You can try using the following command in openssl.

openssl x509 -in <certificate to check> -purpose -noout -text

这将打印出证书用途和证书本身的列表.

This would print out the list of certificate purpose and the certificate itself.

这篇关于如何读取X509 V3证书的密钥?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！