eSIM certificate profiles
PKIaaS provides the following certificate profiles for eSIM end-entity users.
esim-delivery-auth
esim-delivery-binding
esim-delivery-tls-server
esim-discovery-auth
esim-discovery-tls-server
These profiles support the following features.
eSIM use cases
All eSIM end-entity profiles support the following use cases.
ECS Enterprise UI |
CA Gateway API |
Entrust-hosted Enrollment Gateway |
On-prem Enrollment Gateway |
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eSIM key usages and certificate policies
See below the Key Usage, Extended Key Usage (EKU), and Certificate Policy extension values supported by each eSIM profile.
Profile |
Key Usage |
Extended Key Usage |
Certificate Policy |
esim-delivery-auth |
Digital Signature |
— |
id-rspRole-dp-auth (2.23.146.1.2.1.4) |
esim-delivery-binding |
Digital Signature |
— |
id-rspRole-dp-pb (2.23.146.1.2.1.5) |
esim-delivery-tls-server |
Digital Signature |
TLS server authentication (1.3.6.1.5.5.7.3.1) |
id-rspRole-dp-tls (2.23.146.1.2.1.3) |
esim-discovery-auth |
Digital Signature |
— |
id-rspRole-ds-auth (2.23.146.1.2.1.7) |
esim-discovery-tls-server |
Digital Signature |
TLS server authentication (1.3.6.1.5.5.7.3.1) |
id-rspRole-ds-tls (2.23.146.1.2.1.6) |
eSIM certificate fields
All eSIM 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 3 years if not specified in the request. |
eSIM certificate extensions
All eSIM 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 |
eSIM algorithm constraints
All eSIM 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 |
eSIM distinguished names
PKIaaS 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 |