Hello Henri,

you have to use "serialNumber" as preset also, SN is the "Surname" OID :)

For the second part - you can turn on the "copy extension" flag but as outlined in the comment this copies ANYTHING from the request so this requires a certain portion of control on CSR generation and a very good validation as you otherwise might sign things you do not expect too.

The other option requires a modification of the workflow and the use of OpenXPKI::Server::Workflow::Activity::Tools::AddCertExtension, likely with some magic around to build the right content - or an upgrade to the enterprise edition which comes with a templating mechanism and some other nice features around profile based extensions.

best regards

Oliver

On 15.02.24 20:14, [email protected] wrote:
I'm trying to make a new certificate profile, with this kind of
requirements:
- Subject shall have serialNumber field, which is copied from CSR
- Extensions shall have a custom OID field with custom bit stream data,
which is copied from CSR

I haven't been able to get any of that working. I added to templates
serial.yaml:
--
id: serialNumber
label: serialNumber
description: Serial Number
preset: SN.0
type: text
width: 40
placeholder: 0000
--
And I made new profile like this:
--
# The name of the file equals the name of the profile
label: License

# digest to use
digest: sha256

style:
     00_basic_style:
         label: I18N_OPENXPKI_UI_PROFILE_BASIC_STYLE_LABEL
         description: I18N_OPENXPKI_UI_PROFILE_BASIC_STYLE_DESC
         # Define which input fields you want on the UI
         # Just put their names here and define them at the end
         # in the "template" section.
         # You can also use the template names found in the
         # template.yaml file, if you duplicate a name, the
         # local definition gets precedence.
         ui:
             subject:
                 - hostname
                 - serial
                 - o
                 - c
             info:
                 - requestor_realname
                 - requestor_email
                 - owner_contact
                 - comment

         # Subject is evaluated by template toolkit with the input data from
the ui.subject fields
         # Note: Fields which have max > 1 are always passed as array
         subject:
             dn: CN=[% hostname %],serialNumber=[% serial %]
         # You can use the fields from ui.subject here

         # this is attached to the certificate, all fields from ui can be
used
         metadata:
             requestor: "[% requestor_realname %]"
             email: "[% requestor_email %]"
             owner_contact: "[% owner_contact || requestor_email %]"
             entity: "[% hostname FILTER lower %]"

# A standard template used from the automated enrollment workflows
     enroll:
         subject:
             # All RDNs from the PKCS10 containers DN are avaiable here
             # Items from the SAN section are also available here
             # Note that all items are always arrays, for the SAN the pipe is
             # used as separator character to split individual items later
             dn: CN=[% CN.0 %],serialNumber=[% SN.0 %]
         # metadata source items added via the "params" section of the
         # PersistMetadata action in the workflow are available in data
         # DN/SAN parts are available as defined above
         metadata:
             system_id: "[% data.cust_id %]"
             server_id: "[% data.server_id %]"
             entity: "[% CN.0.replace(':.*','') FILTER lower %]"

         # Consumed by RenderExtensions to add extra extensions
         extension:
             securityIdentifier: '[% ext.sid %]'
             certificateTemplateName: '[% ext.template_name %]'
             certificateTemplate:
               - '[% ext.template.oid %]'
               - '[% ext.template.major %]'
               - '[% ext.template.minor %]'

# Profile extensions - set 0/1 as needed
extensions:
     # Enable this to copy extensions from the CSR to the Certificate
     # THIS MIGHT BE DANGEROUS, see copy_extensions of openssl ca command
     # For security reasons hhis can NOT be set in default.yaml
     copy: copy

     basic_constraints:
         critical: 1
         ca: 0
         # only relevant with ca = 1
         path_length: 0

     key_usage:
         critical: 0
         digital_signature: 0
         non_repudiation:   1
         key_encipherment:  0
         data_encipherment: 0
         key_agreement:     0
         key_cert_sign:     0
         crl_sign:          0
         encipher_only:     0
         decipher_only:     0

     extended_key_usage:
         critical: 0
         # these are OIDs, some OIDs are known and have names
         client_auth:      0
         server_auth:      0
         email_protection: 0
         code_signing:     0
         time_stamping:    0
         ocsp_signing:     0
         # Any other oid can be given by number
         1.3.6.1.4.1.311.20.2.2: 0


     subject_key_identifier:
         critical: 0
         hash: 1

     authority_key_identifier:
         critical: 0
         keyid:  1
         issuer: 1

     issuer_alt_name:
         critical: 0
         copy: 0

     crl_distribution_points:
         critical: 0
         # uri can be scalar or list
         uri:
             - http://localhost/cacrl.crt
             - ldap://localhost/cn=[% ISSUER.CN.0 %],dc=OpenXPKI,dc=org

     authority_info_access:
         critical: 0
         # ca_issuers and ocsp can be scalar or list
         ca_issuers: http://localhost/cacert.cer
         ocsp: http://ocsp.openxpki.org/

     oid:
         1.2.3.4.5.6:
             critical: 1
             copy: 1
# end of extensions

# Define the input fields you used below here
#template:
--

The CSR looks like this:
--

Certificate Request:
     Data:
         Version: 1 (0x0)
         Subject: CN=Device01, O=xxxx inc/serialNumber=1234567
         Subject Public Key Info:
             Public Key Algorithm: id-ecPublicKey
                 Public-Key: (384 bit)
                 pub:
                     xxxx
                 ASN1 OID: secp384r1
                 NIST CURVE: P-384
         Attributes:
             Requested Extensions:
                 1.2.3.4.5.6: critical
                     xxxxxx
     Signature Algorithm: ecdsa-with-SHA256
     Signature Value:
         xxxx

--


So far I've only tried the manual workflow. I can see it loads the
serial.yaml since it puts the placeholder data and labels in there, but the
serialnumber data from CSR is not filled.
For the custom OID I'm not that far yet since it fails to the serial.

Any idea what should be changed? Is the serial number even properly
supported?


//HS





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