VeryPDF PDF SecurSign encrypts, digitally signs, and verifies digital signatures on PDF documents

VeryPDF PDF SecurSign encrypts, digitally signs, and verifies digital signatures on PDF documents.

The server-based application runs in an unattended environment in real-time with other processes to handle high-volume and on-demand production needs. VeryPDF PDF SecurSign can also batch process large collections of PDF documents.


The digital signatures placed by VeryPDF PDF SecurSign allow organizations to distribute electronic documents without fearing tampering. Since the process is compatible with the Adobe Acrobat Digital Signature Mechanism, no additional software is required to open documents or verify signatures using Adobe Acrobat, Adobe Reader, or other digital signature-aware PDF viewers.

End-users with Adobe Reader or other digital signature-aware software can immediately verify whether a digitally signed PDF file has been altered.

VeryPDF PDF SecurSign can encrypt PDF documents to restrict the end user's ability to edit, copy, or print using 256-bit AES encryption. Other security features in VeryPDF PDF SecurSign allow users to set passwords to control who may view, print, or modify a document, or set higher-level passwords to control who may change security settings.

VeryPDF PDF SecurSign produces PDF files compliant with the ISO 32000 standard and can perform optimization and cleanup routines before signing, reducing file size in most instances.

PDF Document Security with VeryPDF PDF SecurSign
* Signature Validation – detects tampering independent of Acrobat
* PDF/A Support – Sign PDF/A documents without losing PDF/A compliance
* OpenType Fonts – Place signature text using any OpenType font
* 2048-Bit Key Lengths for Digital Certificates

Digital Signature and Verification Features
* Digitally Sign using visible or invisible digital signatures
* X.509v3 Digital Certificates from any Certificate Authority
* Dynamically Add New Signature Fields to any PDF page
* Multiple Digital Signatures can be applied sequentially
* Custom Graphics including watermarks, logos and handwritten signatures
* Verification to detect file modification or tampering since it was signed
* Linearization to optimize signed PDF documents with Fast Web View for faster viewing on a network
* No additional software is required – use any digital-signature aware PDF viewer to view or verify signatures

Encryption Features
* Advanced Encryption Standard (AES) encryption algorithm with 128-bit or 256-bit key lengths
* RC4 encryption algorithm with 40-bit or 128-bit key length for compatibility with older PDF viewers
* Secure envelopes; encrypt PDF and non-PDF attachments, leaving the “envelope” PDF unencrypted
* Set User Passwords to control who may view, print, or modify a document
* Set Owner Passwords to control who may change security settings
* Set Document Permissions to control viewing, printing, copying, assembly and accessibility.

File Handling Options
* Optionally, retain current file modification date
* Utilize PDF as a secure delivery envelope for attached files
* Linearize output PDFs for faster access and viewing when downloaded from the Web or a network (Fast Web View)
* Optimize to reduce output file size

Technical Features of VeryPDF PDF SecurSign
* X.509v3 Digital Certificates
* PKCS#12 Personal Information Exchange Syntax Standard
* SHA-1 Message Digests
* RC4 Stream Ciphers

Integration Features
* No limit on concurrent users or connections
* No limit on the number of documents processed
* No limit on threads – run as many instances as you want
* Supports PDF 1.0 and higher
* Call from any programming or scripting language including (but not limited to) Perl, PHP, Java, C++, ASP & .Net, Visual Basic, Cold Fusion and Lotus Notes
* May be integrated with other VeryPDF server products as part of a complete PDF workflow solution

* Use VeryPDF PDF SecurSign as an integral part of your web server to encrypt and sign documents on the fly before delivery. In a document workflow, VeryPDF PDF SecurSign can be scripted for multistage processing and deployed with our other products as part of a complete PDF workflow solution.

Supported Operating Systems
* Microsoft Windows 32 or 64 bit
* Windows Server Platforms 32 or 64 bit

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