Blog

This article discusses the features that should be on a highly desirable feature list when looking for an OCSP Responder product. Although the main focus of this topic is technical, there are commercial aspects that need consideration. These are summarised briefly at the end. The technical features explained here are all available and implemented in Ascertia ADSS OCSP Server, which is downloadable on trial basis.

Does your business require digital signatures to be verifiable months, years or even decades later? In this blog, we discuss long-term signatures and what you should look for when choosing a provider.

Ascertia is delighted to announce the ADSS Connector for Microsoft SharePoint now supports Active Directory authentication for digital signatures. In this blog, we explain how this new feature benefits businesses.

We're delighted to announce the new HTML-based digital signature appearance designer.

The ADSS Server Signing Service can create PDF digital signatures or all common ETSI PAdES formats (PAdES Part 2,3,4) and it can also create and apply visible signature appearances where requested. 

In this blog, we discuss how Ascertia's ADSS CA Server protects mass key generation using Hardware Security Modules (HSMs). HSMs are a vital part of any digital security solution. Understanding how this impacts your high-trust business is vital.

ADSS Server v4.8+ supports clever integration with Active Directory and other LDAP-compliant directories, enabling seamless and automatic management of each user’s digital certificate, including generation, revocation and re-issuance.

In this blog, we discuss certificate transparency and how it can help quickly detect fraudulent certificates.

SSL trust issues

India's National Informatics Centre (NIC) has joined the infamous Dutch CA DigiNotar in issuing fake and unauthorised digital certificates. Yet again, this activity damages the faith we place in Certification Authorities (CAs) to provide high-trust identity assurance.

Certificate whitelist checking is a must. Usage of PKI-based digital certificates has become a widely accepted means of electronic identity authentication for all kinds of purposes, from logical and physical access control to document signing, server authentication for ecommerce sites and software code authentication.

PDF documents have been common use within business for many years. Protecting PDFs against change is fast becoming a hot topic. Digitally signing PDFs with a certifying signature protects the content and also shows who signed or approved the document. This article explains how you can easily digitally sign PDFs, what is needed to electronically sign PDF documents and the different types of PDF signatures.