Entrust provides the following Intune certificate profiles.

  • intune-digital-signature
  • intune-digital-signature-key-encipherment
  • intune-digital-signature-key-encipherment-clientauth
  • intune-key-encipherment
  • intune-non-repudiation

These profiles support the following features.

Intune use cases

All Intune profiles support the following use cases.

  • ECS Enterprise UI
  • CA Gateway API
  • Entrust-hosted Enrollment Gateway
  • On-prem Enrollment Gateway

Intune key usages

See below the Key Usage and Extended Key Usage (EKU) extension values supported by each Intune profile.

Profile

Key Usage

Extended Key Usage

Allows Extended Key Usage in request

intune-digital-signature

Digital Signature

—

(tick)

intune-digital-signature-key-encipherment

Digital Signature, Key Encipherment

—

(tick)

intune-digital-signature-key-encipherment-clientauth

Digital Signature, Key Encipherment

TLS client authentication (1.3.6.1.5.5.7.3.2)

(error)

intune-key-encipherment

Key Encipherment

—

(tick)

intune-non-repudiation

Digital Signature, Non-Repudiation

—

(tick)

Intune request extensions

All Intune profiles support the following non-critical extensions in request.

Extension name

Extension OID

Certificate Policies

2.5.29.32

Application Policies

1.3.6.1.4.1.311.21.10

Smime Capabilities

1.2.840.113549.1.9.15

MSTemplateOID

1.3.6.1.4.1.311.21.7

MSTemplateName

1.3.6.1.4.1.311.20.2

szOID_NTDS_CA_SECURITY_EXT

1.3.6.1.4.1.311.25.2

Intune certificate fields

All Intune profiles set the following certificate fields.

Field

Value

Issuer

Customer's subordinate issuing CA.

Subject

No constraint.

Validity period

Less than or equal to the expiry of the issuing CA. Defaults to 1 year if not specified in the request.

Intune certificate extensions

All Intune profiles set the following certificate extensions.

Extension

Critical

Value

AIA

No

Supplied if the customer enables OCSP when creating the CA

Authority Key Identifier

No

Matches subjectKeyIdentifier of the signing certificate

Basic Constraints

Yes

cA =False

CRL Distribution Points

No

Always present

Subject Alternative Name

No

No constraints

Subject Key Identifier

No

«The leftmost 160-bits of the SHA-256 hash of the value of the BIT STRING subjectPublicKey» as described in RFC 7093 section 2

Intune algorithm constraints

All Intune profiles support the following key and signature algorithms.

Key algorithm

Signature algorithm

ECDSA P-256

ecdsa-with-SHA256

ECDSA P-384

ecdsa-with-SHA384

ECDSA P-521

ecdsa-with-SHA512

RSA 2048

sha256WithRSAEncryption

RSA 3072

sha256WithRSAEncryption

RSA 4096

sha512WithRSAEncryption

The NIST will deprecate some algorithms after Dec 31, 2030. See https://nvlpubs.nist.gov/nistpubs/ir/2024/NIST.IR.8547.ipd.pdf

Intune distinguished names

Entrust has no restriction on Distinguished Names (DNs) per certificate profile. All certificate profiles support the following identifiers.

Alias

OID

'CN' 'CommonName'

2.5.4.3

'SN' 'SurName'

2.5.4.4

'SERIALNUMBER' 'DeviceSerialNumber'

2.5.4.5

'C' 'Country'

2.5.4.6

'L' 'Locality'

2.5.4.7

'ST' 'S' 'State'

2.5.4.8

'STREET' 'StreetAddress'

2.5.4.9

'O' 'Org' 'Organization'

2.5.4.10

'OU' 'OrganizationalUnit' 'OrganizationUnit' 'OrgUnit'

2.5.4.11

'T' 'Title'

2.5.4.12

'BUSINESSCATEGORY'

2.5.4.15

'POSTALCODE'

2.5.4.17

'givenName' 'G'

2.5.4.42

'I' 'Initials'

2.5.4.43

'ORGANIZATIONIDENTIFIER'

2.5.4.97

'UID'

0.9.2342.19200300.100.1.1

'DC' 'DomainComponent'

0.9.2342.19200300.100.1.25

'Email' 'E'

1.2.840.113549.1.9.1

'unstructuredName'

1.2.840.113549.1.9.2

'unstructuredAddress'

1.2.840.113549.1.9.8

'JurisdictionOfIncorporationLocalityName'

1.3.6.1.4.1.311.60.2.1.1

'JurisdictionOfIncorporationStateOrProvinceName'

1.3.6.1.4.1.311.60.2.1.2

'JurisdictionOfIncorporationCountryName'

1.3.6.1.4.1.311.60.2.1.3

'TrademarkOfficeName'

1.3.6.1.4.1.53087.1.2

'TrademarkCountryOrRegionName'

1.3.6.1.4.1.53087.1.3

'TrademarkRegistration'

1.3.6.1.4.1.53087.1.4

'LegalEntityIdentifier'

1.3.6.1.4.1.53087.1.5

'WordMark'

1.3.6.1.4.1.53087.1.6

'MarkType'

1.3.6.1.4.1.53087.1.13

'StatuteCountryName'

1.3.6.1.4.1.53087.3.2

'StatuteStateOrProvinceName'

1.3.6.1.4.1.53087.3.3

'StatuteLocalityName'

1.3.6.1.4.1.53087.3.4

'StatuteCitation'

1.3.6.1.4.1.53087.3.5

'StatuteURL'

1.3.6.1.4.1.53087.3.6