Document Signer Certificate

A Document Signer Certificate is used by companies and software applications to digitally sign documents in bulk. It ensures authenticity, integrity, and non-repudiation of electronic records like invoices, reports, and files.

PFX-Based Signing

In this method, the document signer certificate is issued in **.pfx (PKCS#12)** file format. It is stored locally on a secure server and used by a web application or automation system to sign files programmatically.

• Quick deployment
• Used for medium-scale operations
• Requires local certificate security management

HSM-Based Signing

In this method, the certificate is stored inside a **Hardware Security Module (HSM)** — a physical cryptographic device certified by CCA. This is the most secure and scalable option for large organizations.

• Highly secure and CCA-compliant
• Suitable for large-scale, high-volume signing
• Supports integration with ERP and e-Invoice systems