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3.2.2.6.2.1.4.8 CT_FLAG_PREVIOUS_APPROVAL_VALIDATE_REENROLLMENT Enforcement Conditions

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If the CT_FLAG_PREVIOUS_APPROVAL_VALIDATE_REENROLLMENT flag is set in the template, the CA MUST verify that all the following conditions are satisfied before enforcing the CT_FLAG_PREVIOUS_APPROVAL_VALIDATE_REENROLLMENT flag:

  • The old certificate, based on which the reenrollment is occurring, MUST contain the Certificate Template OID extension, as specified in section 2.2.2.7.7.2.

  • The TemplateID from the old certificate MUST match the TemplateID of the current template.

  • If the CT_FLAG_ENROLLEE_SUPPLIES_SUBJECT flag is set, then the CA MUST verify that subject name is supplied in the request, and that it matches with the subject of the old certificate.

  • If the CT_FLAG_ENROLLEE_SUPPLIES_SUBJECT flag is not set, then the old certificate MUST contain the subject alternative name (SubjectAltName) extension.

  • If the CT_FLAG_ENROLLEE_SUPPLIES_SUBJECT flag is not set, then the SubjectAltName extension from the old certificate MUST contain either an rfc822Name or otherName with OID szOID_NT_PRINCIPAL_NAME (1.3.6.1.4.1.311.20.2.3).

  • If the CT_FLAG_ENROLLEE_SUPPLIES_SUBJECT flag is not set and the SubjectAltName contains otherName, then the value of otherName MUST match the value of the userPrincipalName attribute from the requestor's user object in the working directory.

  • If the CT_FLAG_ENROLLEE_SUPPLIES_SUBJECT flag is not set,and the SubjectAltName contains the rfc822Name, then the value of rfc822Name MUST match the value of the mail attribute from the requestor's user object in the working directory.