iTextSharp的许可证 [英] ITextSharp license

问题描述

我在商业网站上使用iTextSharp的4.1.6。由于维基百科提到，我可以在我的商业网站自由地使用它。

I use iTextSharp 4.1.6 in my commercial website. As Wikipedia mentions, I can use it freely in my commercial website.

不过现在我需要编辑一些iTextSharp的来源$ C ​​$ C，以适应我的网站。我不知道是否是合法还是不合法？

However now I need to edit some of iTextSharp source code to suit with my websites. I wonder if it's legal or not?

推荐答案

我们不建议使用版本之前的iText（夏普）5出于技术以及一些法律方面的原因。

We don't advise the use of versions prior to iText(Sharp) 5 for both technical as well as some legal reasons.

技术方面的原因： 从2009年7月，许多虫子MPL / LGPL版本的iText（夏普）日期已解决了在此期间。比如：我们固定的，这是难以重现的错误，这让如果满足特定的条件下表中的行消失。发生于加入到表中的行的总数的一小部分，这些条件。另外：该规范已经演变。例如：在pre-5版本的iText要么被禁止（在PAdES标准）的数字签名，或将去precated（在ISO-32000-2）。假如你还在用那些老的签名，那么你就自动使用LTV（PAdES部分4）延伸，例如签名文档的生命排除自己。

TECHNICAL REASONS: the MPL/LGPL version of iText(Sharp) dates from July 2009. Many bugs have been solved in the meantime. For instance: we fixed a bug that was hard to reproduce, and that made a row in a table disappear if specific conditions were met. These conditions occurred in only a very small fraction of the total number of rows added to tables. Also: the spec has evolved. For instance: digital signatures in the pre-5 versions of iText are either forbidden (in the PAdES standard) or will be deprecated (in ISO-32000-2). Suppose you still use those old signatures, then you automatically exclude yourself from extending the life of the signed document for instance by using LTV (PAdES part 4).

法律上的原因（从我们的律师复制/粘贴）： iText的的免费模式下的旧版本可能包含侵犯其他人的版权或知识产权code片段。 iText的软件集团做了识别和消除所有这些情况下的5.1版本一个显著的投资。这就是为什么它现在是一个付费的商业版本的原因之一。我们不建议之前的5.1用于商业项目中使用的版本为您的公司可能是版权或知识产权侵权责任。

LEGAL REASONS (copy/paste from our attorney): Older versions of iText under the free model may contain code fragments that infringe other peoples copyrights or intellectual property rights. iText Software Group has done a significant investment in identifying and eliminating all those case as of version 5.1. which is one of the reason why it is now a paying commercial version. We do not recommend the use of versions prior to 5.1 for commercial projects as your company could be liable for copyright or IP infringements.

有一个免费的电子书名为的计算器最佳iText的问题解释在更多的细节，为什么不应该再被使用的iText（夏普）的过时版本。

There is a free ebook called The Best iText Questions on StackOverflow that explains in much more detail why obsolete versions of iText(Sharp) should no longer be used.

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