Certifying Authority (CA): Issues DSCs for secure digital/qualified signatures.
Electronic Signature Platform / Service Provider: Enables uploading, managing roles, applying/verifying signatures, ensuring encryption and compliance.
Regulatory Bodies: Define the legal framework (e.g., IT Act – India, eIDAS – EU, ESIGN – USA).
Example: An HR Manager sends an offer letter (Sender) to a candidate (Signer) via emSigner (Service Provider), validated by eMudhra (CA), complying with the IT Act (Regulatory Body).