Entrust provides the following Active Directory (WSTEP) certificate profiles.
- wstep-digital-signature
- wstep-digital-signature-key-encipherment
- wstep-key-encipherment
- wstep-non-repudiation
- wstep-non-repudiation-key-encipherment
These profiles support the following features.
WSTEP use cases
All WSTEP profiles support the following use cases.
- ECS Enterprise UI
- CA Gateway API
- Entrust-hosted Enrollment Gateway
- On-prem Enrollment Gateway
WSTEP key usages
See below the Key Usage extension values supported by each WSTEP profile.
| Profile | Key Usage | 
|---|---|
| wstep-digital-signature | Digital Signature | 
| wstep-digital-signature-key-encipherment | Digital Signature, Key Encipherment | 
| wstep-key-encipherment | Key Encipherment | 
| wstep-non-repudiation | Digital Signature, Non-Repudiation | 
| wstep-non-repudiation-key-encipherment | Digital Signature, Non-Repudiation, Key Encipherment | 
WSTEP request extensions
All WSTEP profiles support the following non-critical extensions in request.
| Extension name | Extension OID | 
|---|---|
| Certificate Policies | 2.5.29.32 | 
| Extended Key Usage | 2.5.29.37 | 
| 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 | 
WSTEP certificate fields
All WSTEP 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. | 
WSTEP certificate extensions
All WSTEP 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 | 
WSTEP algorithm constraints
All WSTEP 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 | 
NIST will deprecate some algorithms after Dec 31, 2030. See https://nvlpubs.nist.gov/nistpubs/ir/2024/NIST.IR.8547.ipd.pdf
WSTEP 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 |