如何查找文件是否经过数字签名

问题描述

我有几个Word和Excel文件.其中一些是经过数字签名的.如何以编程方式查找文件是否具有数字签名?

我提到了MSDN和其他论坛中提到的代码库(将msdn代码转换为.NET).但这对我没有用.

有人可以建议如何实现这一目标吗?

我使用XML方法对文档进行数字签名.

在Advance中致谢

Hi,

I have few Word and Excel files. Some of them are digitally signed. How do i programatically find whether the file has any digital signature ?

I referred to a code base mentioned in MSDN and other forums (converting the msdn code to .NET). But it didn''t worked for me.

Can anyone suggest how to acheive this ?

I used XML approach for Digitally signing the documents.

Thanks in Advance

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