WebThe following code shows how to use PdfSignatureAppearance from com.itextpdf.text.pdf . Specifically, the code shows you how to use Java itext pdf … http://kulatamicuda.github.io/iText-4.2.0/com/lowagie/text/pdf/PdfSignatureAppearance.html

[iText-questions] Set visible signature on multiple/all pages - narkive

WebThe following examples show how to use com.itextpdf.text.pdf.PdfSignatureAppearance . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar. Source File: CreateSignature.java From ... Web我试图在单个PDF文件中添加多个数字签名。它是成功的，但程序添加新签名时，旧签名现在被Adobe阅读器检测为无效。我所做的只是调用Signer. Sign（）方法来进行多重签名，我不知道这是否是正确的方法。请参见图像PDF签名输出下面是我的代码 blextrend s.r.o

Part IV - Appearances

WebGets the document bytes that are hashable when using external signatures. The general sequence is: preClose(), getRangeStream() and close(). Returns: the document bytes that … WebC# 我的签名结构干扰了使用itext7嵌入签名,c#,pdf,itext7,C#,Pdf,Itext7,我在应用程序中使用的是itext7 7.1.5版。我的设想如下： -对文档进行哈希运算 -从外部签名服务器对哈希进行签名并获取Pkcs7 -使用itext7将签名的pkcs7嵌入到PDF文档中 嵌入后，adobe无法验证我在文档中 … Web/** * Signs the document using the detached mode, CMS or CAdES equivalent. * @param sap the PdfSignatureAppearance * @param externalSignature the interface providing the actual signing * @param chain the certificate chain * @param crlList the CRL list * @param ocspClient the OCSP client * @param tsaClient the Timestamp client * @param provider … bl extremity\u0027s