如何使用PHP对PDF进行数字签名 [英] How to digital sign a PDF with PHP

问题描述

在进行一些搜索后，我发现如何使用PHP对PDF文档进行数字签名，但实际上并没有找到可行的解决方案.有人知道怎么做这个吗?还是您知道可以为我们签名PDF的第三方服务?

After some searching how I could digital sign a PDF document with PHP I couldn't really find a working solution. Does anybody know how to do this? Or do you know a third-party service which can sign PDF's for us?

推荐答案

Setasign似乎提供了一种用于签名已经创建的PDF的商业解决方案-

Setasign appears to offer a commercial solution for signing PDFs already created - http://www.setasign.de/products/pdf-php-solutions/setapdf-signer/sign-pdf.php

或者，TCPDF(Google，它不会让我发布第二个URL)使您可以即时生成签名的PDF.

Alternatively, TCPDF (Google it, it won't let me post a second URL), allows you to generate signed PDFs on the fly.

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