DSC & DEC

DSC - Digital signing Certificate

·         Computer generated digital key - which contains the complete identity of the owner of the certificate.

·         Issued by Licensed CA - Certification Authority

·         List of CAs available  - www.cca.gov.in

·         Examples of CAs - NIC, IDRBT, TCS, MTNL etc

·         Validity - 1 or 2 years

·         Purpose: Used to digitally sign an electronic document for calling tenders through e tendering.

·         Issued to Official by name (not Designation)

·         Purchased as Consumable (not T & P)

·         Device Driver required to use DSC

·         Not to be handed over to any one on superannuation of the official in whose name it was purchased.

·         Get it revoked, if not required further.

·         Safe custody of DSC - Responsibility of Official in whose name it was purchased.

DSC - Classes

Class	Valid email	Email verified against trusted & Pre verified data base	Personal verification (Present in person in front of RA - Registration Authority)
I	ü	X	X
II	ü	ü	X
III	ü	ü	ü

Advantages:

1.       Helps authentication - Identity is established by the CA database

2.       Helps non repudiation of Document

DEC - Digital Encryption Certificate

·         Purchased in the name of Official of the unit.

·         Functions similar to DSC

·         Purpose: To encrypt the Document

·         Every Railway Dept should have one DEC

·         It is not the property of the official in whose name it was purchased.

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