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Contents Summary
 

Signatures Types

The platforms GroupDocs.Signature for Java can be used with are listed below.

Feature

Description

Text Signature

Provides facility to add text signatures on supported file formatted documents.

Image Signature

It facilitates to add image signatures on supported file formatted documents.

Digital Signatures

Ability to sign documents digitally with different certificate types ( Public-Key Cryptography StandardsX.509 Certificate, p7b).

QR-Code Signature

Use this API to add QR-code signatures on supported file formatted documents.

Barcode Signature

It facilitates to add barcode signatures on supported file formatted documents.

Stamp Signature

Ability to add stamp signatures on supported file formatted documents.

Metadata Signature

Use this API to sign Words, Cells, Slides, Image and PDF documents with different metadata signatures.

Form-Field Signature

It facilitates to sign PDF document with different input controls which is placed on a document page.

Signature Properties

Following properties regarding signatures can be established programmatically:

Text Signature Properties

  • Document Page Number
  • Height
  • Left
  • Sign All Pages
  • Text
  • Top
  • Width
  • Color Options
  • Font Properties
  • Text Size
  • Sticker
  • Opacity
  • Rotation
  • Verification
  • Watermark
  • Brush Styles
  • Measure Type

Image Signature Properties

  • Document Page Number
  • Height
  • Left
  • Sign All Pages
  • Text
  • Top
  • Width
  • Horizontal Alignment
  • Image File Name
  • Image Stream
  • Rectangle
  • Vertical Alignment
  • Image Margins
  • Rotation
  • Measure Type

Digital Signature Properties

  • Digital Certificate
  • Document Page Number
  • Height
  • Horizontal Alignment
  • Image File Name
  • Image Stream
  • Left
  • Password
  • Rectangle
  • Sign All Pages
  • Signature
  • Top
  • Vertical Alignment
  • Visible
  • Width
  • Pages Setup
  • Measure Type

Optical Signature Properties

  • Document Page Number
  • Height
  • Horizontal Alignment
  • Border
  • Border Color
  • Border Style
  • Background Color
  • Left
  • Sign All Pages
  • Signature
  • Top
  • Vertical Alignment
  • Visible
  • Width
  • Custom Data Objects
  • Encryption
  • Measure Type

Digital Signature Visibility

When a Pdf document is digitally signed, user can set visibility of the signature (true or false) on the document.

Save Format Options

This feature can be utilized using GroupDocs.Signature for Java 17.1.0

Now, user can specify saving options like format or password if supported. For implementation please visit common operations.

Verification Options

  • Text Verification for all document types

  • Digital Signatures verification for Word, Cell and PDF documents
  • Optical Signatures verification
  • Obtain verification progress

Search Options

This feature can be utilized using version 18.4 or greater of GroupDocs.Signature for Java API

GroupDocs.Signature for Java supports the following search options:

  • Search QR-Code and Barcode Signatures for all document types

  • Obtain search progress
  • Search Custom Data Object from documents signed with QR-Code Signature

Common Operations

  • Save signed documents with different file name
  • Work with password protected documents
  • Specify different measure unit types(millimeters,pixels etc) for signatures
  • Obtain signing progress
  • Obtain Digital Signatures from documents and system
  • Catch selected exceptions from library

Easy to Integrate

A single DLL file is required to get started with GroupDocs.Signature for Java. This API is totally UI less that makes its integration and configuration quite simple.

One Solution

GroupDocs.Signature is very lightweight and can easily be utilized.

  • Mobile, tablet solutions
  • REST API services
  • Independent API calls
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