Railway Accounts Department Examinations

Showing posts with label DSC. Show all posts
Showing posts with label DSC. Show all posts

Sunday, July 12, 2020

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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