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If the user successfully imports the test private key, a confirmation message appears (Fig. 1).


Fig. 1 – successful adding of the test private key

If the user incorrectly imports the test private key, the “Object already exists” error appears (Fig. 2).  

Fig. 2 – “Object already exists” Error


To solve the “Object already exists” Error:

  1. navigate to the certificates folder:
    1. for ОС Windows 7/Server2008 – C:\Users\User\AppData\Roaming\Microsoft\Crypto\RSA\;
    2. for ОС Windows 8 – C:\Users\User\AppData\Roaming\Validata\rcs.
  2. delete the contents of the folder;
  3. add test private key according to the instructions of adding a test key (see Test keys, RSA).

If the error persists:

  1. send an e-mail to, indicating the steps that led to the error and a screenshot of the error. In reply you will get  2 files:
    1. executable filetestcsp-x86 utility for downloading the private key to the Certificate storage;
    2. fileadding_key the command script for starting the executable file.
  2. save the files ta folder on your computer;
  3. unzip the;
  4. navigate to the certificates folder:
    1. for ОС Windows 7/Server2008 – C:\Users\User\AppData\Roaming\Microsoft\Crypto\RSA\;
    2. for ОС Windows 8 – C:\Users\User\AppData\Roaming\Validata\rcs.
  5. delete the contents of the folder;
  6. open the file adding_key using the text editor. This will open a command script (рис. 3);

    Fig. – command script

  7. fill test private key parameters TestCSP.exe -csptype 1 -cspname "Microsoft Enhanced Cryptographic Provider v1.0" -private -import -cont "I98DP60K2ST1GM09" -blob "RsaFileName.rsa" –forexport:

    1. Path (fig. 4,1) to the executable file testcsp-x86 (eg,C:\key\TestCSP.exe);

    2. cont (fig. 4,2) – key ID (eg, I10DP60K00T1GM07);

    3. blob (fig. 4,3) – key file name (eg, RsaFileName.rsa). 

    Fig. 4 – test private key parameters  

    The key ID you can check with the Moscow stock Exchange.

  8. save the file;
  9. double-click the source code file to open it. 
  10. launch the file adding_key in the following way: 
    1. right-click on the file;
    2. select "Run as administrator". As a result, the utility testcsp-x86 is automatically launched.

Next, you need to run Certificate storage to make sure that the key had been imported. When running  Certificates storage using the Start menu→All Programs→ ПКЗИ СЭД МБ (MOEX EDS DSSK)→Справочник сертификатов (Certificates storage), a message will appear informing that the personal storage is protected with the test certificate. You need to click the OK button in this window (Fig. 5).

Figure 5 – informational message

Then the certificate must be set as default (see Adding a test keys, RSA).

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