What is a Digital Signature? (Simple Explanation with Examples)

Learn what a digital signature is, how it works using PKI, and why it is legally valid in India under the IT Act 2000. Simple explanation with examples.

Handwritten Signature vs Scanned Signature vs Digital Signature in India – Legal Validity

A documents can be signed using handwritten signatures, scanned signatures, or digital signatures. However, many people are unsure which type of signature is Secure as well as Legally Valid. This confusion is common among professionals who deal with: In this article, I’ll discuss the legal validity, security, and differences between handwritten signatures, scanned signatures, and … Read more

What Happens When You Open a Digitally Signed PDF? (Complete Signature Validation Explained)

When you open a digitally signed PDF, your PDF reader performs multiple cryptographic and trust validations to confirm that the document is authentic and has not been altered. These checks happen within seconds but involve complex Public Key Infrastructure (PKI) mechanisms. This article explains exactly what happens behind the scenes when a digitally signed PDF … Read more

Digital Signature vs eSign: Complete Guide for PKI Experts, CAs, and ASPs [2026]

Digital signatures represent the cornerstone of Public Key Infrastructure (PKI), providing cryptographic assurance of document authenticity, integrity, and non-repudiation. These mathematical constructs, based on asymmetric cryptography using private and public key pairs, enable secure electronic transactions across industries, governments, and trust ecosystems. In contrast, eSign is an electronic signature service model that enables users to … Read more

Digital Signature Certificates (DSC) for Gram Panchayats: Empowering Rural Governance with Trust and Technology

Gram Panchayats in India are rapidly adopting Digital Signature Certificates (DSC) to streamline governance, improve transparency, and securely access government portals. Learn how DSC empowers Panchayat Secretaries and Sarpanches, and how to get one.

How to Become a Registration Authority (RA) & Roles of RA in DSC as per CCA Guidelines

A Registration Authority (RA) is an authorized agent that acts as a bridge between the Certifying Authority (CA) and the applicant of a Digital Signature Certificate (DSC). As per the Information Technology (IT) Act, 2000 and Controller of Certifying Authorities (CCA) guidelines, an RA performs identity verification, collects documentation, and initiates the certificate issuance process. … Read more

CCA-Certified Digital Signature Providers in India: Why RISL is the Most Trusted

Discover the top Certifying Authorities (CAs) certified by the Controller of Certifying Authorities (CCA) in India for issuing Digital Signature Certificates (DSCs). Learn why RISL, the only government-owned CA, is emerging as the most trusted provider for government departments, employees, and individuals.