How to check if X509Certificate is CA certificate?(如何检查 X509Certificate 是否为 CA 证书?)
问题描述
I have a X509Certificate instance in Java and I need to identify if it is a CA certificate or user certificate.
Can anyone provide any help?
Thanks in advance!
According to research I have performed, it can be checked by checking basic constraints!
Check the API for returning results of getBasicConstraints()
method.
So if the method returns result != -1
, a certificate can be considered as a CA certificate
.
I have checked this with several CA certificates
(root and intermediate), and it works as described.
I have also checked this method with several user certificates, and the method returns -1 as result.
这篇关于如何检查 X509Certificate 是否为 CA 证书?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编程学习网!
本文标题为:如何检查 X509Certificate 是否为 CA 证书?


基础教程推荐
- 在 Java 中创建日期的正确方法是什么? 2022-01-01
- 多个组件的复杂布局 2022-01-01
- 从 python 访问 JVM 2022-01-01
- Java 实例变量在两个语句中声明和初始化 2022-01-01
- 如何在 JFrame 中覆盖 windowsClosing 事件 2022-01-01
- 不推荐使用 Api 注释的描述 2022-01-01
- 验证是否调用了所有 getter 方法 2022-01-01
- 大摇大摆的枚举 2022-01-01
- 如何在 Spring @Value 注解中正确指定默认值? 2022-01-01
- Java Swing计时器未清除 2022-01-01