eSignatures are not simply scanned images of a signature. They utilize digital signatures, a complex mathematical algorithm that creates a unique “fingerprint” of the document and the signer’s identity. Any alteration to the document after signing will invalidate this fingerprint, ensuring tamper-evident security.
PKI acts as the cornerstone of trust in eSignatures. It uses a system of digital certificates issued by trusted third-party authorities (TPA) such as eMudhra to verify the identity of both the signer and the signing platform. These certificates contain cryptographic keys that enable secure signing and verification.
