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       How to download Certificate and CRL(Certificate Revocation List)

A. Go to Repository tab

B. Click on Published certificate

C. Click on ‘Browse Directory’ located at top left corner

D. Expand Directory Structure Tree

FOR DOWNLOADING CERTIFICATE** 

1.For Class 1 Individual Certificate

  • Open mtnlTrustLine individual subscriber
  • Click on mtnlTrustLine
  • Click on mtnlTrustLine E-mail User
  • Select desired certificate by clicking on that
  • Click on certificate tab in properties window
  • To download certificate click on ‘click to down load value’
  • Save certificate file with "filename.crt" where filename can be any string of your choice.

2.For Class 2 MTNL Telephone Subscriber

  • Open mtnltrustline Enterprise Subscriber
  • Click on mtnlTrustLine
  • Select desired certificate by clicking on that
  • Click on certificate tab in properties window
  • To download certificate click on ‘click to down load value’
  • Save certificate file with "filename.crt" where filename can be any string of your choice. 

     3.For Class3 Individual Subscriber

  • Open mtnlTrustLine individual subscriber
  • Click on mtnlTrustLine
  • Select desired certificate by clicking on that
  • Click on certificate tab in properties window
  • To download certificate click on ‘click to down load value’
  • Save certificate file with "filename.crt" where filename can be any string of your choice.

    4. For  Class 3 Server Certificate

  • Open mtnltrustline.com
  • Click on mtnlTrustLine
  • Select desired certificate by clicking on that
  • Click on certificate tab in properties window
  • To download certificate click on ‘click to down load value’
  • Save certificate file with "filename.crt" where filename can be any string of your choice.

5.For Class2 IPSec Device Certificate

  • Open mtnl
  • Click on mtnlTrustLine
  • Select desired certificate by clicking on that
  • Click on certificate tab in properties window
  • To download certificate click on ‘click to down load value’
  • Save certificate file with "filename.crt" where filename can be any string of your choice.

     6. For CA and SubCA certificates*

  • Click on Mahanagar Telephone Nigam Limited
  • Click on mtnlTrustline
  • Select desired CA or Sub CA certificate by clicking on that
  • Click on certificate tab in properties window
  • To download certificate click on ‘click to down load value’
  • Save certificate file with "filename.crt" where filename can be any string of your choice.

 *CA and SubCA Certificate can also be downloaded from Home page by clicking on “MTNL CA certificate hierarchy” and selecting desired CA or SubCA 

       ** Using search option certificates can be downloaded using search option

  • Click on Advance Search
  • Select ‘search parameter’ as E-mail for class1; name or E-mail for class2 and class3 certificates
  • Select search condition (multiple search is also possible)

 Prerequisite: Use Internet Explorer Version 6.0 or above.  
                                       
                                                            
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