For MDM-SCEP enrollment, you must add the following certificate types to the Security Manager CA: signing, encryption, dual usage (signing and encryption), non-repudiation.

To add MDM-SCEP certificate types to Security Manager

  1. Log in to Security Manager Administration.
  2. Export the certificate specifications to a file by selecting File > Certificate Specifications > Export.
  3. Open the certificate specifications file in a text editor.
  4. Add the following lines to the [Certificate Types] section.

    ; ----------------------------------------------------------------------
    ; Certificate types to be used with MDM for SCEP Enrollments
    ; ----------------------------------------------------------------------
    ent_mdm_scep_sig=enterprise,MDM-SCEP Signing,MDM-SCEP Signing Certificate
    ent_mdm_scep_enc=enterprise,MDM-SCEP Encryption,MDM-SCEP Encryption Certificate
    ent_mdm_scep_sig_enc=enterprise,MDM-SCEP Signing and Encryption,MDM-SCEP Signing and Encryption Certificate
    ent_mdm_scep_nonrep=enterprise,MDM-SCEP Signing and Nonrepudiation,MDM-SCEP Signing and Nonrepudiation Certificate
    ; ----------------------------------------------------------------------
  5. Add the following lines to the [Extension Definitions] section.

    ; ----------------------------------------------------------------------
    ; Certificate definitions to be used with MDM for SCEP Enrollments
    ; ----------------------------------------------------------------------
    [ent_mdm_scep_sig Certificate Definitions]
    1=Verification_p10
    [ent_mdm_scep_sig Verification_p10 Extensions]
    keyusage=2.5.29.15,n,m,BitString,1
    [ent_mdm_scep_sig Advanced]
    noUserInDirectory=1
    [ent_mdm_scep_enc Certificate Definitions]
    1=Encryption_p10
    [ent_mdm_scep_enc Encryption_p10 Extensions]
    keyusage=2.5.29.15,n,m,BitString,001
    [ent_mdm_scep_enc Advanced]
    noUserInDirectory=1
    [ent_mdm_scep_sig_enc Certificate Definitions]
    1=Dual Usage
    [ent_mdm_scep_sig_enc Dual Usage Extensions]
    keyusage=2.5.29.15,n,m,BitString,101
    [ent_mdm_scep_sig_enc Advanced]
    noUserInDirectory=1
    [ent_mdm_scep_nonrep Certificate Definitions]
    1=Nonrepudiation
    [ent_mdm_scep_nonrep Nonrepudiation Extensions]
    keyusage=2.5.29.15,n,m,BitString,11
    [ent_mdm_scep_nonrep Advanced]
    noUserInDirectory=1
    ;-----------------------------------------------------------------------
  6. Save and close the file.
  7. Import the certificate specifications back into Security Manager. In Security Manager Administration, select File > Certificate Specifications > Import.