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Note

title	Securing HTTP connections

Although the adapter is currently deployed to the same node as Ubisecure SSO (install on one node only if in HP), it is suggested to secure the adapter by configuring it to use HTTPS in order to avoid exposing of sensitive information. This suggested step allows moving adapters to different servers than Ubisecure SSO. You can refer to Spring Boot Server SSL configuration instructions for more details.

Adapter configuration properties

The following configuration properties can be set using the configuration prefix:

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Property	Type	Required	Default	Description
`default-polling-interval`	integer	no	5	The polling interval returned to the client, i.e. Ubisecure SSO
`default-request-expiration`	integer	no	600	The number of seconds when requests expire
`url`	string	no	https://appapi2.bankid.com	The base URL to the BankID service provider API. This URL is defined in the BankID Relying Party Guidelines
`auth.certificate-policies`	string array	no	1.2.752.78.1.5	The BankID certificate policy requirements. Defaults to Mobile BankID app only. See BankID Relying Party Guidelines for more details
`id-token.issuer`	string	yes		The issuer of the ID token granted by the service
`id-token.signing-key-alias`	string	yes		The alias of the ID token signing key-pair in the key store
`id-token.signing-key-password`	string	yes		The password of the ID token signing key-pair
`id-token.expiration`	int	no	600	The time in seconds after which ID tokens granted by this service expire. Note: Ubisecure SSO does not permit ID tokens that have expiration greater than 1 hour.
`request-id.token-issuer`	string	no	sso-bankid	The issuer of `auth_req_id` JWTs
`request-id.key-id`	string	no	(random uuid)	The id of the key used to sign `auth_req_id` JWTs. `kid` will be set to this value
`key-store.path`	string	yes		The path to the key store where BankID key entries reside
`key-store.password`	string	yes		The password of the key store
`key-store.type`	string	no	PKCS12	The type of the key store
`key-store.authentication-key.alias`	string	yes		The alias of the BankID client authentication key in the store
`key-store.authentication-key.password`	string	yes		The password of the BankID client authentication private key
`key-store.server-certificate.alias`	string	yes		The alias of the BankID server certificate

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responseTimeout

duration

no

default configuration: 5s

if not set: 30s

BankID adapter timeout when accessing BankID server

Adapter retries request in the following cases:

both authentication initialisation and status query request once after a 500 ms delay in case the BankID server is inaccessible
in authentication initialisation 3 times with minimum delay of 300 ms and exponential backoff strategy if the BankID server responds with service temporary unavailable error

Therefore, if you configure responseTimeout > 5s you should also check the value for

spring.mvc.async.request-timeout (default configuration value 1m). This value sets the timeout for SSO request to adapter to fail and it should cover the retry attempts.

Note that these parameters can be also supplied via the command line. See Spring Boot, Externalized configuration for more details.

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Keys are stored in base64 encoded PKCS12 keystores in ubiloginPKCS12 attribute of the ubiloginKeyCredential objects.

The DNs for ubiloginKeyCredential objects used by the server can be found from the ubiloginKeyCredentialDN attribute values in cn=Server,ou=System,cn=Ubilogin,<LDAP suffix> entry.

After adding the certificates to the trust store modify application configuration to include the new kid in clients[n].key-aliases list.

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http(s)://localhost:<port>/device/.well-known/oauth2-configuration

Endpoint	Description
`http(s)://localhost:<port>/oidcdevice/.well-known/openid-configuration`	OpenID Connect Provider metadata
`http(s)://localhost:<port>/oidc/jwks`	ID Token signing keys and issuer metadata

An example OpenID Connect Provider metadata response:

Code Block

language	js

{
    "issuer": "https://sso-bankid.example.com",
    "device_authorization_endpoint": "http://localhost:8082/device/authorize",
    "token_endpoint": "http://localhost:8082/device/token",
    "jwks_uri": "http://localhost:8082/oidc/jwks",
    "response_types_supported": [
        "id_token"
    ],
    "grant_types_supported": [
        "urn:ietf:params:oauth:grant-type:device_code"
    ],
    "scopes_supported": [
        "openid"
    ],
    "id_token_signing_alg_values_supported": [
        "RS512"
    ],
    "token_endpoint_auth_methods_supported": [
        "private_key_jwt"
    ],
    "token_endpoint_auth_signing_alg_values_supported": [
        "RS256",
        "RS512"
    ]
}

An example JWKS response:

Code Block

language	js

{
  "keys": [
    {
      "use": "sig",
      "kty": "RSA",
      "kid": "sso-bankid-id-token-signing-key",
      "e": "AQAB",
      "n": "AMiqPLgjEKAvUBO6jBhq5RJgk1uCj8mWyNFAMiqPLgjvUEKABO6jBhq5RJgk1uCj8mWyNF-MhQipP-wb9LMehqw95VNZg3gJZs9fkrGjxWHDkNoM4H3WZT9997dlyOFJvdgtZh3iMtX-Y1356QjckpsH_AiUfvsp6CBh4OwRxHslwJfL8eV5ceYGbpn72pbOjJA5ZK6vJs82kZqvMqvrPIHSCvmoyR3x71ZmkYExE_XkuORsvmLsRIZOQJCRr1QQLK33rAfk9WWKtEzmh_0NAg5JUgtMVOW8upk_oZ-RU2gn0Bx1JqXVIcWBzguTYL-zk52V55UhsAb02rlezMjU4BY8Peiuge5_ZtnK_wiIUSuUzbjv9iGhIduYxk="
    }
  ]
}

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Adapter configuration properties