Hi
I am trying to edit the pdf using acrobat reader and getting error that the document has been signed and cannot be edited.
I have change the pdf and removed all signatures by using aspose.PDF version 20.5 using c# …...cannot be edited after removing digital signature from pdf Aspose.PDF...the edited pdf there is no digital signature present. Here is...
When creating a com.aspose.pdf.Document object passing an InputStream of a signed PDF we get a NullPointerException.
The code:
......
InputStream binaryInputStream;
try {
binaryInputStream = input.asInp…...Document object from PDF with digital signature Aspose.PDF Product...
I am trying to read pdf document(Aspose.pdf) which contains Digital signature on it (X509 signing certificate) using below code:
i tried passing document two ways :
Using Stream
var filebytearray = File.ReadAllBytes(…...Unable to read document with Digital signature on it throws Cross...document(Aspose.pdf) which contains Digital signature on it (X509 signing...
Is there any way to force Aspose.Pdf to create external signature using SHA256 hash? We have problem signing documents with Aspose.Pdf using cloud hosted signing service (CryptoTech CloudSigner with mSzafir provider). Th…...Digital signature problem using CSP without SHA1 support Aspose...
Java class library for optical marks recognition (OMR). Recognize & extract marks from digitized or scanned images, photos, surveys, exams, & questionnaires....recognize optical marks from OMR digitized sheet images. It can be used...
Library to manipulate finance-related formats used in filing for companies and generating reports for funds and leverages on any Platform...Library to manipulate finance-related formats used in filing for companies and generating reports for funds and leverages on any Platform
I am trying to sign pdf documents using Aspose.Pdf version 22.1 and Adobe Reader does not validate the signature, producing the following remark: “Document has been altered or corrupted since it was signed” n Page(s) Mod…...Digital Signature is Invalid: Document has been altered or corrupted...https://www.adobe.com/lt/sign/digital-signatures.html#:~:text=A%...
Developer's manual that contains Java classes to work with Microsoft Project documents without utilizing Microsoft Project....Enum Specifies digital hash algorithm used by digital signature....Specifies a digital hash algorithm used by a digital signature...
Aspose.Words.DigitalSignatures.DigitalSignatureUtil class. Provides methods for signing document in C#....more, visit the Work with Digital Signatures documentation article...LoadSignatures ( Stream ) Loads digital signatures from document using...
Aspose::Words::DigitalSignatures namespace. The Aspose.Words.DigitalSignatures namespace provides classes to sign documents and verify signatures in C++....more, visit the Work with Digital Signatures documentation article...DigitalSignature Represents a digital signature on a document and...