A Digital Signature Certificate (DSC) is now a legally recognised alternative to a handwritten signature under the Information Technology Act, 2000. It verifies the authenticity of electronic records and confirms the signer’s identity when interacting with digital documents and online services.
Read on to learn what a Digital Signature Certificate is, the different types and classes available, how to apply for one, and how to download it.
What is a Digital Signature Certificate?
Key points about DSC:
- It is a secure digital key that confirms and authenticates the identity of the holder.
- DSCs rely on public key cryptography to create a verifiable digital signature.
- They are used to sign documents electronically and to access various online services that require identity verification.
- Individuals and organisations obtain DSCs from licensed Certifying Authorities.
Types and Classes of DSC
Digital Signature Certificates are issued in different types and classes to suit varied use cases.
- Sign: Used specifically to apply a digital signature to documents, such as PDFs.
- Encrypt: Used to encrypt files, documents, and other confidential data.
- Sign and Encrypt: Supports both signing and encryption and is typically used for sensitive or government-related documents.
DSCs are also categorised into three classes based on the level of identity verification:
- Class 1: Issued to individuals and private subscribers for basic validation of name and email address in the Certifying Authority’s records.
- Class 2: Intended for users who need to file electronic forms on government portals and require a higher level of identity assurance.
- Class 3: Required for secure online transactions such as e-auctions, e-tenders, and other activities that demand strict identity verification.
How to Apply for a Digital Signature Certificate
The application process is straightforward and can be completed online through an authorised Certifying Authority. Typical steps include:
- Step 1: Visit the official website of a licensed Certifying Authority.
- Step 2: Choose the appropriate DSC option (for example, Class 3 registration if required).
- Step 3: Fill in the application form with details such as DSC class, validity period, type, name, and contact information.
- Step 4: Upload a recent passport-sized photograph and electronically sign the declaration if required.
- Step 5: Upload supporting documents and pay the DSC issuance fee online.
- Step 6: Submit the application for the Certifying Authority’s verification.
- Step 7: After verification, the Certifying Authority will issue the DSC electronically.
Prepare these documents before applying:
- Recent passport-sized photographs
- Proof of address
- PAN card
- Aadhaar card
How to Download a DSC
Download steps vary by Certifying Authority, so follow the specific instructions on the authority’s website. As an example, the general download process for a DSC through a typical provider’s download utility might look like this:
- Step 1: Go to the Certifying Authority’s official website and locate the Downloads section.
- Step 2: Download the certificate utility provided for certificate installation.
- Step 3: Extract and open the downloaded utility folder on your device.
- Step 4: Run the certificate utility executable and initiate the setup or “Get Started” process.
- Step 5: Enter your application number and the passcode sent to your registered email or mobile.
- Step 6: Log in and select the option to download the certificate.
- Step 7: Provide the token password (if applicable) to complete the download and install the DSC on your token or local system.
Using digital signatures simplifies many online processes, including loan applications and other financial services, by reducing paperwork and enabling faster authentication.
FAQs on Digital Signature Certificates
How can I get a DSC certificate online?
Apply through the website of any licensed Certifying Authority in your country. In India, multiple Certifying Authorities are authorised to issue DSCs online after identity verification.
What is the cost of applying for DSC?
Costs vary by Certifying Authority and the chosen validity period. Typical pricing for a one-year DSC can range from modest to higher tiers depending on features and the issuing authority.
What is an example of a digital signature certificate?
A common example is using a DSC to authenticate an online loan application or to sign official electronic forms submitted to government portals.
How long is DSC valid?
Digital Signature Certificates are generally issued with validity periods of one to two years, though the exact duration depends on the Certifying Authority and the option selected at the time of application.