Digital Signature Certificate

Digital Signature Certificate and Certifying Authority

A digital signature certificate is only valid if issued by certifying authority (CA).Certifying Authority is a third-party organization with a license to issue a digital signature certificate under section 24 of the Indian IT-Act 2000. Some of the certifying authorities are E-MUDHRA, CDAC and NSDL.



SIGN DSC- It can only be used for signing documents and is mainly used for signing PDF files. Sign DSC is proof of untampered and unaltered data and confirms the integrity of the signer.

ENCRYPT DSC-Encrypt DSC can only be used to encrypt a document. It is generally used to help companies encrypt the documents and upload in tender portals. Encrypt DSC is very suitable for legal documentation and highly confidential documents with information that needs to be protected.

SIGN AND ENCRYPT DSC- This can be used for both signing and encrypting documents. It fits for users who need to need to authenticate and maintain confidentiality of the information. It is mainly used for filing government forms and application.


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A digital signature certificate (DSC) like hand written signatures, establishes identity of the sender, which can be presented electronically to access information or to sign certain documents digitally. DSC ensures that no tampering of data is done once the document has been digitally signed. It contains the public key for a digital signature and specifies the identity associated with the key, such as the name of an organization. The certificate confirms that the public key belongs to the specific organization. A DSC is normally valid for 1 or 2 years, after which renewal is required.

At Companyadda, a digital signature agency in Ghaziabad, we provide a digital signature certificate to help you with the successful running of your business. Our certification offers you all the necessary documents needed to complete your company’s requirements. 

The most secure and progressive form of authentication is here which is digital signatures. They are a perfect way to meet the stringent legal and regulatory standards while providing the highest degree of trust in regards to each signer’s identity and the validity of the documents they sign. As a digital signature certificate provider in Delhi we’ll assist you to choose the right and different options that are available with us and that fits for your business. 

Frequently Asked Question

It is required to authenticate your identity and sign documents electronically.

Class-3 DSC can be checked online by following these steps: Open the file that contains the certificate you want to view. Click File → Info → View Signatures. In the list, on a signature name, click the down-arrow, and then click Signature Details. In the Signature Details dialog box, click View.

Digital signature cannot be copied and pasted from one document to another as it is based on cryptographic technology which offers greater document security and signer authenticity.

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