Tuesday, April 28, 2015

DMRC has switched over to e-Tendering for procurement of material through IREPS website.

DMRC (Delhi Metro Rail Corporation) has switched over to e-tendering for procurement of material through IREPS website. You can search the DMRC tenders through Quick Search or Advance Search on IREPS website www.ireps.gov.in


After clicking on above link a new page will open, click on action icon corresponding to DMRC to see the live tender details and download the tender document.

Friday, April 24, 2015

How to delete Digital Certificates from Other People, Intermediate Certification Authorities, Trusted Root Certification Authorities etc.

If you want to delete the Digital Certificate from browser/system which is installed in the Personal folder then you can easily delete it by the process given in below link:


But if you want to delete the Digital Certificates from Other People, Trusted Root Certification Authorities, Intermediate Certification Authorities, Trusted People etc. then it is not possible by above process because you will get Remove button disabled when you try to remove the certificates from these folders.

Now, what to do to remove the certificates from these folders if required?
  • Press Windows Key + R at to open Run Command in Microsoft Windows. Type the command certmgr.msc and click on OK button.
  • It opens a new window Certificate Management Window which contains all the certificates installed in the system. You can see the installed certificates in right side by selecting the folders from left side.
  • If you want to delete a certificate from a particular folder then select that folder from left side and right click on the certificate shown in right side and after that click on delete to delete the certificate.
  • You will get an alert to delete the certificate, if you want to delete the certificate then click on Yes button and certificate will be deleted permanently.
  • You can also delete the multiple certificates by selecting them.

Monday, April 20, 2015

What precautions should be taken for safe use of e-Tokens?

There are some settings by which Digital Signature can be stored in client machine. This is not secure and following action should be taken for safe and secure use of digital certificate. If Driver and software of e-token installed properly, an interface of 'eToken properties' can be opened as per procedure shown below:

Step 1: Click on Start > Programs > eTokens > eToken Properties in Windows XP/Vista and search for the etoken in Windows 8, Then click on 'Advanced' tab


Step 2: Click on 'Settings' under eToken PKI Client > Tokens> eToken> Settings, then Click on 'Advanced' tab, There are two Options 'Private data caching mode' and 'RSA key secondary authentication mode', select 'Never' from dropdown menu for both options. Then click on Save button.

Step 3: Click on 'Settings' under eToken PKI Client > eToken PKI Client Settings, then Click on 'Advanced' tab, There are five check box for five options 'Copy user certificates to a local store', 'CA certificate management', 'Enable single logon mode', 'Configurable after initialization' and 'Configurable by administrator (uncheck for user)'. All checkbox should be unchecked. Then click on 'Save' button.

By adopting above procedure, it will be possible to remove the private data of Digital Signature Certificate from client machine.

Monday, April 13, 2015

How to remove or delete Digital Certificates from the Web Browser?

If you want to remove or delete the Digital Certificates from the web browsers the follow the following steps:
  • Open Internet Explorer, go to Tools> Internet Options> Content Tab and click on Certificates button.
  • A new window will appear contains all the Digital Certificates, select the tab from which you want to delete or remove the Digital Certificates.
  • If you want to delete the Digital Certificate of the Test User 2 from the Personal tab then select the certificate and click on the Remove button.
  • A confirmation dialogue shown below will appear after clicking on the Remove button, click on Yes button to remove or delete the selected Digital Certificate.
  • That's it, Digital Certificate of Test User 2 deleted from the Personal folder of web browser.
Windows XP: You can delete the certificates from folders like Other People, Intermediate Certification Authorities etc. by above process.

Windows Vista, Windows 7, Windows 8: You can not Remove/Delete Digital Certificates from the other Tabs/Folders like Other People, Intermediate Certification Authorities, Trusted Root  Certification Authorities etc. by above method because Remove button will not become enable in these cases after selecting the certificate as shown below:

To delete these certificates from Windows Vista, Windows 7 and Windows 8 plesae Click Here

Thursday, April 09, 2015

What to do when “Run Time Error” occurs while attaching the Certificate?

Generally "Run Time Error" occurs in follwing cases:
  • When e-Token driver is not installed properly or e-Token driver has been corrupted. In this case, please re-install the e-Token driver after uninstalling it.
  • Digital Certificate should not be shown in the web browser after removing the e-Token from the system. If certificates shown in browser after removing the token then, please remove all Digital Certificates from the web browser and re-insert the e-Token.

Wednesday, April 08, 2015

How to confirm whether Digital Certificate has been correctly installed in the internet browser?

To see the Digital Certificate in Internet Browser first you need to install the e-Token driver in your system. After installing the e-Token driver, insert USB e-Token containing your Digital Certificate in the system, view your Digital Certificate by going to Tools> Internet Options> Content Tab> Certificates.

Select the digital certificate and click on view button to see the details of the certificate. General tab should show that certificate is valid, now go to Certification Path tab and make sure that there is no red cross sign and it is showing the hierarchy CCA India> Certifying Authority(CA)> Sub-CA> User Name.

If it is not showing, then open your Internet Browser and go to Tools> Internet Option> Content Tab> Certificates and then import the CCA India Root certificate in the Trusted Root Certification Authorities Tab and CA (Certifying Authority) Certificate in the Intermediate Certification Authorities Tab. If you do not have CCA India and CA (Certifying Authority) certificate, the same can be downloaded from Certifying Authority website.


Tuesday, April 07, 2015

How to import the Digital Signature Certificate into web browser?

To import the Digital Signature Certificate into web browser, do the followings:

Open your Internet Browser and go to Tools> Internet Options> Content Tab> Certificates and click on import button. A certificate import wizard window opens, then clicks on next and then select the file which you have on your system (or created through export process) and then click next and after this select the place (Personal, Other People, Trusted Root Certification Authorities etc.) where you want to install your certificate and then click next and after then click finish. An alert message like “The import was successful” is displayed on successful import.

Monday, April 06, 2015

How to export the Digital Signature Certificate from the e-token?

To export the public key of Digital Signature Certificate from the e-token, do the followings:

Open your Internet Browser and go to Tools> Internet Options> Content Tab> Certificates> Personal, select the certificate which you want to export and then click on export button. A certificate export wizard window opens, then click on next and then assign a location and a filename in your computer to store the certificate. An alert message like “The export was successful” is displayed on successful export.

Please note that by exporting the certificate, only public key of the certificate is getting stored in a file with .cer extension.


Thursday, April 02, 2015

How to install the USB token for Digital Signature Certificate?

After successful installation of the token driver from the Compact Disk (CD) supplied along with the token (as per procedure prescribed by digital signature certificate supplier in the Manual with token), insert your USB token in the computer. If the token driver is properly installed you can see the private keys of your Digital Signature Certificate in personal folder in the Internet Explorer. To go on the Personal Folder, Please Click on Tools>Internet Options>Content>Certificates in the Internet Explorer.