Release notes - Trust1Connector - Version T1C-JS-v3.2.13

Bug

• Pkcs11 module and os dialog return decryption error

• Update certificate model to correctly handle multiple certificates

Release notes - Trust1Connector - Version T1C-JS-v3.2.12

Bug

• Device-key endpoint gets called in error handler instead of successhandler

Release notes - Trust1Connector - Version T1C-JS-v3.2.11

Bug

• File-exchange ArrayBuffer should be Blob

Release notes - Trust1Connector - Version T1C-JS-v3.2.10

Bug

• Initialising with invalid JWT does not throw an error

Release notes - Trust1Connector - Version T1C-JS-v3.2.9

Bug

• Entity and type response object inconsistency

• Remoteloading split TX, RX and SW value based on APDU response

Story

• Use Device certificate to encrypt the pin value sent in clear text

• I want to enable the module for eHerkenning

• I want to enable module for Print Writer

Release notes - Trust1Connector - Version T1C-JS-v3.2.8

Bug

• Aventra, Idemia, Oberthur callback functions not being triggered

• FileExchange typing inconsistency

Story

• Add LuxeID to the token generic interface in JS SDK

Release notes - Trust1Connector - Version T1C-JS-v3.2.7

Bug

• Fix imports for Pkijs

Story

• Disbable implicit any typing

Release notes - Trust1Connector - Version T1C-JS-v3.2.6

Bug

• Fix for bulk sign reset in JS SDK causes the reader ID not to be included in certificate retrieval

Release notes - Trust1Connector - Version T1C-JS-v3.2.5

Improvement

• Provide separate implementation for Belgian eID with Crelan reader

Architecture Overview

Components

Web Environment

The Web Application can use the T1C-SDK-JS or a custom REST API client for integration purpose. As the Web Application operates in a browser context, resolving an agent, by means of a consent, will result in a browser cookie being provided.

The T1C-SDK-JS implements the detection of a Shared Environment during the initialisation of the library. When initialisation succeeds without a controlled exception, the setup is a standalone; when the initialisation throws an 401 Error, the T1C-SDK-JS can be used to request the user for a Consent.

When using the REST API directly form your web application, reading the browser cookie and performing the initialisation must be done by the integrating Web Application itself.

Shared Environment Host

Compared to Trust1Connector v2, the v3 release has a separate component to be be installed on a shared host. This component is called the T1C-Proxy and only exposes the following use cases:

• Verify random available ports [in a predefined range] which can be used by an Agent (Session of T1C-API running in user space)

• Port reservation upon installation of a new T1C-API in an active user session

• Port registration upon initialisation of a T1C-API in an active user session

• Management of an in-memory list of active Agents

• Management of user consents in a shared environment by means of browser cookies with an optional configurable TTL (time to live)

The T1C-Proxy operates by Default on the API port defined in the T1C-DS (Distribution Server). From a Web Application perspective, this is the only information known. When a Web Application requests the information of the device, the PROXY device type will inform the Web Application that the targeted underlying API is a PROXY, which means that the Web Application must ask for the Agent specific API port to configure an URI which can be used to execute the use cases.

When using the T1C-SDK-JS this is done implicitly during initialisation.

Shared Environment Client

A T1C-API installed for a specific users runs in [User Space]. To avoid possible attack vectors, the Trust1Connector v3 will always run in [User Space].

Upon installation of the T1C-API, during the post install phase, the T1C-API will try to verify automatically if it is running in a shared environment. If this is the case, the T1C-API will ask the T1C-Proxy for available ports and will reserve those post, prior to initialisation and startup.

The ports which are reserved by the T1C-Proxy are the following:

• T1C-API Port: This is the port exposing the OpenAPI interface towards Web Applications and used by the T1C-SDK-JS

• T1C-gRPC Port: This is the port exposing the gRPC interface locally towards the T1C-API component. The T1C-gRPC runs in a sandboxed and hardened environment, it contains the implementation modules needed for hardware communication with local or remote peripherals.

When receiving ports during post-install, an user agent device is temporary RESERVED in the Agent Registry of the T1C-Proxy. Upon T1C-API initialisation, the port configurations will be confirmed and the Agent Registry will set the device state on REGISTERED. From this moment on, a T1C-API instance, running in an active user session, will be available for the Web Application.

The T1C-gRPC instance is inherently a component from the T1C-API, and thus is managed by the T1C-API. As each user must have it's own hardened runtime for communication purpose, the port assigned for T1C-gRPC will be registered and configured by the T1C-API (and restarted when needed).

Central Back-Office

Starting from this release (v3) of the Trust1Connector, each device must have a link with an active and running T1C-DS (Trust1Connector Distribution Server). This is to guarantee security, updates, and avoid potential risk in production.

The T1C-DS is proceeded by an API Gateway who is managing the security offloading in the application layer. For a Web Application to communicate with a T1C-Proxy or T1C-API, a JWT (Json Web Token) is needed and obliged. The T1C-DS is responsible for the key management, the certificate management and other use cases which are described in a separate wiki.

In order to retrieve a valid JWT, the T1C-DS can be requested from your application back-end with a valid api-key. The JWT is valid for a given amount of time, and sets the context used when requesting the T1C-API on a device.

Security

Share Environment Flows

Communication Stack

You can find the trust1connector JS SDK for the Trust1Connector v3 via NPM

Sample code uses ES6 language features such as arrow functions and promises. For compatibility with IE11, code written with these features must be either transpiled using tools like Babel or refactored accordingly using callbacks.

Introduction

The Trust1Connector core services address communication functionality with local devices. The Trust1Connector core exposes 2 main interfaces:

• interface for web/native applications using JavaScrip/Typescript

• REST API as a new approach and to incorporate the Trust1Connector as a microservice in the application architecture

In this guide, we target only the use of Trust1Connector's core interface for web/native applications. The T1C-SDK-JS exposes protected resources for administration and consumer usage.

The JavaScript library must be initialized with a correct token in order to access the all resource. The security policy for Trust1Connector v3 secured ALL endpoints.

Administration resources

Protected resources are administration resources. The JavaScript library must be initialized with a correct token in order to access the resource.

• Download Trust1Connector installer

• Get Information of the device and user context

• Register T1C for device

• Update T1C on device (install new version)

• Update DS (distribution server) metadata

• Increment use case counter

Executing these functionality is explained further.

Consumer resources

Consumer resources are typically used from an application perspective:

• Get pub-key certificate

• Get version

• Get Information (operating system, runtime, user context, variable configuration)

• List card-readers

• List modules

• Get module

• Get card-reader

• Get card-reader with cards inserted

• Get card-readers without card

• Get consent (needed for shared environments)

• Detect card for card-reader (polling utility resource)

• Detect any card (polling utility resource)

• Detect card-readers (polling utility resource)

• Browser Information (utility resource)

Executing these functionality is explained further.

Core Functionalities

The Trust1Connector functionalities are about secured communication with device hardware. The document highlights communication with smart card readers - contact and contact-less. Other hardware devices can be enabled or integrated as well in the solution. Some of the already are, for example printer drivers, signature tablet drivers, ...

Initialize the client library

The client can be initialized by passing a T1CConfig object in the constructor

config = new T1CSdk.T1CConfig(configoptions);
T1CSdk.T1CClient.initialize(config).then(res => {
    client = res;
    console.log("Client config: ", client.localConfig)
    core = client.core();

}, err => {
    errorHandler(error);
});

List card readers

Returns a list of available card readers. Multiple readers can be connected. Each reader is identified by a unique reader_id.

T1CClient.initialize(config).then(res => {
    var coreService = res.core();
    core.readers(callback);
})

The response will contains a list of card readers:

{
  "success": true,
  "data": [
    {
      "id": "57a3e2e71c48cee9",
      "name": "Bit4id miniLector",
      "pinpad": false,
      "card": {
        "atr": "3B9813400AA503010101AD1311",
        "description": [
          "Belgium Electronic ID card (eID)"
        ],
        "module": "beid"
      }
    }
  ]
}

When multiple readers are attached to a device, the response will show all connected card readers:

{
  "data": [
    {
      "id": "ec3109c84ee9eeb5",
      "name": "Identiv uTrust 4701 F Dual Interface Reader(2)",
      "pinpad": false
    },
    {
      "card": {
        "atr": "3B9813400AA503010101AD1311",
        "description": [
          "Belgium Electronic ID card"
        ]
      },
      "id": "57a3e2e71c48cee9",
      "name": "Bit4id miniLector",
      "pinpad": false
    },
    {
      "id": "c8d31f8fed44d952",
      "name": "Identiv uTrust 4701 F Dual Interface Reader(1)",
      "pinpad": false
    }
  ],
  "success": true
}

Important to notice:

• The response adds a card-element when a card is inserted into the card reader.

• The response contains card-reader pin-pad capabilities

Card Inserted

As mentioned in the List card-readers, when a smart-card is inserted/detected, the reader will contain the cart-type based on the ATR. The ATR (Anwser To Reset), is the response from any smart-card when powered, and defines the card type. The Trust1Connector recognized more than 3k smart-card types.

{
  "data": [
    {
      "card": {
        "atr": "3B9813400AA503010101AD1311",
        "description": [
          "Belgium Electronic ID card"
        ]
      },
      "id": "57a3e2e71c48cee9",
      "name": "Bit4id miniLector",
      "pinpad": false
    }
  ],
  "success": true
}

Pin-Pad Capabilities

As mentioned in the List card-readers, when a card-reader has pin-pad capabilities, this will be mentioned in the response (notice the pinpadproperty):

{
  "data": [
    {
      "card": {
        "atr": "3B9813400AA503010101AD1311",
        "description": [
          "Belgium Electronic ID card"
        ]
      },
      "id": "57a3e2e71c48cee9",
      "name": "Bit4id miniLector",
      "pinpad": false
    }
  ],
  "success": true
}

List Card-Readers - Explained Example

The following example is the response for List card-readers on a device with 4 different card-readers attached:

{
  "data": [
    {
      "id": "ec3109c84ee9eeb5",
      "name": "Identiv uTrust 4701 F Dual Interface Reader(2)",
      "pinpad": false
    },
    {
      "card": {
        "atr": "3B67000000000000009000",
        "description": [
          "MisterCash & Proton card",
          "VISA Card (emitted by Bank Card Company - Belgium)"
        ]
      },
      "id": "e5863fcc71478871",
      "name": "Gemalto Ezio Shield Secure Channel",
      "pinpad": true
    },
    {
      "card": {
        "atr": "3B9813400AA503010101AD1311",
        "description": [
          "Belgium Electronic ID card"
        ]
      },
      "id": "57a3e2e71c48cee9",
      "name": "Bit4id miniLector",
      "pinpad": false
    },
    {
      "id": "c8d31f8fed44d952",
      "name": "Identiv uTrust 4701 F Dual Interface Reader(1)",
      "pinpad": false
    }
  ],
  "success": true
}

In the above example you notice that 4 card-readers are connected. Each card-reader receives his temporary id which can be used for other functions where a card-reader id is needed. This method can be requested in order to list all available card-readers, and optional cards-inserted. Each card-reader has a vendor provided name, which is retrieved from the card-reader itself. An additional property pinpad, a boolean value, denotes if the card-reader has pin-pad capabilities. A pin-pad is a card-reader, most of the times with its own display and key-pad. From a security perspective, it's considered best practice to use as much as possible pin-pad capabilities of a pin-pad card-reader. When a reader has a smart-card inserted (contact interface) or detected (contactless interface), the card type will be resolved by the GCL in order to respond with a meaningful type. In the above examples you see that; one card-reader has a Belgian eID card; another card-reader has a MisterCash or VISA Card available for interaction.

The readers returned, are the card-readers with a card available. The card-readers where no card is presented, are ignored.

Get card reader with card inserted

Returns a list of available card readers with a smart card inserted. Multiple readers can be connected with multiple smart cards inserted. Each reader is identified by a unique reader_id and contains information about a connected smart card. A smart card is of a certain type. The Trust1Connector detects the type of the smart card and returns this information in the JSON response.

GCLClient.initialize(config, function(err, client) {
    var coreService = client.core();
    core.readersCardAvailable(callback);
});

Response:

{
  "data": [
    {
      "card": {
        "atr": "3B9813400AA503010101AD1311",
        "description": []
      },
      "id": "57a3e2e71c48cee9",
      "name": "Bit4id miniLector",
      "pinpad": false
    }
  ],
  "success": true
}

Get device public key

via the getDevicePublicKey endpoint you're able to fetch the public key information of the device. This requires an authenticated client to be able to access this endpoint.

This endpoint is used in the library to encrypt pin, puk and pace information so that it is not exposed in the network logs of the browser.

Encryption of pin, puk and pace is only possible when the Trust1Connector is registered via a DS and has a valid device key-pair. The SDK will automatically switch to send the pin, puk or pace info in clear text if its not able to encrypt. The Trust1Connector API will also detect if it has no valid device key-pair it will not try to decrypt the incoming pin, puk or pace information.

Core interface

export interface AbstractCore {
  getImplicitConsent(codeWord: string, durationInDays?: number, callback?: (error: T1CLibException, data?: T1CClient) => void): Promise<T1CClient>;
  updateJWT(jwt: string, callback?: (error: T1CLibException, data?: T1CClient) => void): Promise<T1CClient>
  info(callback?: (error: T1CLibException, data: InfoResponse) => void): void | Promise<InfoResponse>;
  reader(reader_id: string, callback?: (error: T1CLibException, data: SingleReaderResponse) => void): Promise<SingleReaderResponse>;
  readers(callback?: (error: T1CLibException, data: CardReadersResponse) => void): Promise<CardReadersResponse>;
  readersCardAvailable(callback?: (error: T1CLibException, data: CardReadersResponse) => void): Promise<CardReadersResponse>;
  readersCardsUnavailable(callback?: (error: T1CLibException, data: CardReadersResponse) => void): Promise<CardReadersResponse>;
  getUrl(): string;
  version(): Promise<string>;
  getDevicePublicKey(): Promise<string>;
}

Trust1Connector API DNS

The Trust1Connector API v3 exposes a secure REST API on the client device. Trust1Team has created a t1c.t1t.io DNS entry (or customer-specific DNS entry) that points to 127.0.0.1 in order to facilitate SSL communication. This means that if the customer infrastructure uses a proxy for all network traffic, an exemption must be made for t1c.t1t.io to always point to the origin device's loopback address.

If no exemption is made and https://t1c.t1t.io is handled by a proxy, it will redirect to 127.0.0.1 IP of the proxy server instead of the local machine, and the Trust1Connector API will be unreachable.

Distribution Service

In order to correctly function, the Trust1Connector API must be able to connect to its configured Distribution Service. You must allow REST traffic to the following URLs (if applicable):

• Acceptance: https://acc-ds.t1t.io

• Production: https://ds.t1t.io

Disk Space

The T1C-Proxy (necessary for shared environments only) requires ± 200Mb of space

The T1C-API is installed in user space and also requires ± 200Mb of space for every user.

API Key

Operating System

Right now Trust1Conector support two operating systems;

• MacOS 10.9 or higher

• Windows 8.1 or higher

Windows 8.1 or higher

To run in user-space on Windows 8.1 or higher some components have to be set on the operating system

Registry keys

Below you can find a list of all registry keys that will be created for the working of the Trust1Connector, All these keys are added to HKCU

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

HKEY_CURRENT_USER\SOFTWARE\Trust1Team\Trust1Connector

Cookies

When running in a shared environment a cookie is used to store the user's consent, the following cookie will be used:

t1c-agent-proxy

Introduction

Migration from the v2 to the v3 of the Trust1Connector can be done in 2 ways;

1. Integration of the API

2. Integration via the deprecated Javascript SDK

Both are viable integrations but we strongly suggest to integrate via the API since the JS SDK does not include all features, only the ones which were available in the v2. When integrating via the API you have more control over the Javascript packages used.

The Javascript SDK has the following packages as dependencies;

"@types/lodash": "^4.14.150",
"Base64": "^1.1.0",
"axios": "^0.19.2",
"jsencrypt": "^3.0.0-rc.1",
"lodash": "^4.17.15",
"logger-bootstrap": "^2.0.0-alpha2",
"semver": "^7.3.2",
"sha256": "^0.2.0",
"store2": "^2.11.1",
"uuid": "^8.0.0"

Update a v2 application to v3

For updating your web application first of all you need to use the new Javascript SDK. After this there are some differences in using the SDK from the v2.

Configuration

The configuration from the v2 has changed, we simplified this.

The v2 had the following configuration options;

export class GCLConfigOptions {
    constructor(public gclUrl?: string,
                public gwOrProxyUrl?: string,
                public apiKey?: string,
                public gwJwt?: string,
                public tokenExchangeContextPath?: string,
                public ocvContextPath?: string,
                public dsContextPath?: string,
                public dsFileContextPath?: string,
                public pkcs11Config?: Pkcs11ModuleConfig,
                public agentPort?: number,
                public implicitDownload?: boolean,
                public forceHardwarePinpad?: boolean,
                public sessionTimeout?: number,
                public consentDuration?: number,
                public consentTimeout?: number,
                public syncManaged?: boolean,
                public osPinDialog?: boolean,
                public containerDownloadTimeout?: number,
                public localTestMode?: boolean,
                public lang?: string,
                public providedContainers?: T1CContainerid[]) {
    }
}

With the v3 this is significantly simplified to the following;

export class T1CConfigOptions {
  constructor(
    public t1cApiUrl?: string,
    public t1cApiPort?: string,
    public t1cProxyUrl?: string,
    public t1cProxyPort?: string,
    public jwt?: string
  ) {}
}

Initialisation

After you've created your configuration object you can do the initialisation of the Trust1Connector SDK. This has largely remained the same except for the error codes.

V2 example:

config = new GCLLib.GCLConfig(configoptions);
    GCLLib.GCLClient.initialize(config).then(res => {
        client = res;
        core = client.core();
        console.log("GCLClient: ", res)
    }, err => {
        console.log("GCL error:", err)
    })

V3 example;

config = new T1CSdk.T1CConfig(configoptions);
T1CSdk.T1CClient.initialize(config).then(res => {
    client = res;
    console.log("Client config: ", client.localConfig)
    core = client.core();

}, err => {
    errorHandler(err);
});

Introduction

In the Trust1Connector V3 we've completely reworked the error system. The goal of this system is to have error codes which are easy to read, understand and integrate. Our first implementation was a very generic approach with as few error codes as possible.

After some iterations of the Trust1Connector we've discovered that this error system does not suffice the needs. So we've upgraded the system to be more consistent and extensive. This provides integrators the flexibility to have a very detailed error handeling system while keeping it easy to understand and read.

The new system provides information about the origin, type and detailed information of the error. We maintained the same type (integers) as our previous error codes, this makes it easier to differentiate them.

HTTP Status Codes

T1C uses the following HTTP response codes when handling a request.

In case of an error the response will contain a body with more detailed information about the error:

{
  description: "some error description",
  code: "some error code"
}

Error format

Error codes will be in the following number format XXXXXX for example 201010 is an error code that depicts an error occurred with the reader in the Transaction service.

The first digit depicts the Origin of that error, values can be the following;

The following 2 digits describe the type of error;

Finally we have 3 digits that give a more detailed error. These will give you more information about the specific error-case. Currently we have the following exceptions that can be thrown.

Codes to expect

The following list are codes that you can expect.

General / Controller

Aventry My Id 4

Oberthur 7.3

Idemia cosmo 8.2

BeID

Diplad

Luxtrust

Luxeid

EMV

Crelan

File exchange

Error codes coming from v2

A Word of Introduction

The Trust1Connector Javascript SDK is a library that purely functions as a proxy towards the Trust1Connector API. This Library does not contain any business logic.

Downloading Trust1Connector

The T1C JS SDK no longer has a method to download the T1C installer.

Instead, the T1C installer can be downloaded by navigating the client browser to the /v3/downloads/installer endpoint of the Distribution Service (e.g. https://acc-ds.t1t.io/v3/downloads/installer). The Distribution Service will analyse the User-Agent header and automatically initiate the download of an OS-appropriate installer of the latest configured version. The user agent string parsing is considered "best-effort"; as they can vary wildly depending OS and browser software.

Alternatively, you can also initiate the download of a T1C installer with the following endpoints:

1. /v3/downloads/installers/{{OS}}: This endpoint allows you to specify the OS for which you wish to obtain an installer. The possible values are win32, win64, unix, macos.

2. /v3/downloads/installers/{{OS}}/versions/{{version}}: This endpoint allows you to download a specific version of a T1C installer for a specific OS.

Distribution services

Integrating the Trust1Connector can be done via the Javascript SDK. This SDK is compiled in regular javascript and in Typescript. Each release of the Javascript SDK will have the following files;

• dist

  • T1CSdk.js (complete SDK)

  • T1CSdk.js.map

• lib (typings, default Typescript compilation)

• lib-esm (typings, Compilation with ES6 module support)

In V3 of the Trust1Connector the javascript SDK is meant as a comparable manner of integrating like the V2. The SDK includes most of the API featureset but not all.

We strongly encourage to integrate via the API, since this will be the most feature-complete and the de-facto way of integration in the future.

Initialising the Trust1Connector

For initialisation of the T1C you need to prepare your application first by adding the SDK JS files to your project and importing them in such a way that you can call for the Javascript functions when you need them.

Next up we will prepare the SDK's configuration Object, this object is used to pass information about which default port the Trust1Connector is running on, JWT key, API url, ...

When the configuration is set you can initialise the Trust1Connector with that Config and an optional property for clipboardData. This clipboard data is used for initialisation of the Trust1Connector in a shared environment. This will be handled later.

You can see in the code above we catch 3 errors;

• 814501: Consent error, this means the user is running in a shared environment and needs to provide his consent

• 812020: Initialisation error: The Trust1Connector is not able to initialise because it could not find any users with a Trust1Connector installed.

Readers

To retrieve the reader after initialisation you can do the following;

Initialisation of a module

After initialisation of the T1C you can start using it. For example the BEID module needs to be initialised with a readerId, That is why fetching the readers and providing the user-selected reader to the client is a necessity.

The code above will return a BEID client which can be used to execute the BEID functionality.

Shared environments

For initialising the Trust1Connector in a shared environment you need to setup the config so that it contacts the Proxy. When initialising you need to provide a token that is residing on the user's clipboard, via this clipboard token the Proxy can determine which which user is trying to communicate and will return an updated configuration value for the API and the sandbox service.

This configuration update is handled by the SDK itself.

The code above is an example of how you can integrate a copy command in the webbrowser. When the data is copied to the clipboard you just need to pass it to the initialize function like so;

Introduction

The ID-One Cosmo V8-n is part of the Idemia IAS ECC family of cryptographic modules called ID-One Cosmo V8. Modules within this family share the same functionalities and the description of the ID-One Cosmo V8 applies to all versions including the “-n” subject to this validation. This document describes the functionality provided by the Idemia IAS ECC ID-One smartcard - which is a PKI container - on the T1C-GCL (Generic Connector Library) implemented version:

• ID-One Cosmo V8-n; FIPS 140-2 Security Policy

Interface

Models

Examples

Create the Idemia module

When initialisation is finished you can continue using the aventra object to execute the functions below.

All certificate filters

The expected response for this call should be;

all Key references

The expected response for this call should be;

all Certificates

When additional parsing of the certificate is needed you can add a boolean to indicate if you want to parse the certificate or not.

The expected response for this call should be;

Token data

This will return information of the Aventra card.

The expected response for this call should be;

Certificate

When additional parsing of the certificate is needed you can add a boolean to indicate if you want to parse the certificate or not.

Root certificate

Contains the 'root certificate' stored on the smart card. The service can be called:

Authentication certificate

Contains the 'authentication certificate' stored on the smart card. The 'authentication certificate' contains the public key corresponding to the private RSA authentication key. The 'authentication certificate' is needed for pin validation, authentication and singing. The service can be called:

Non repudiation certificate

Contains the 'non-repudiation certificate' stored on the smart card. The 'non-repudiation certificate' contains the public key corresponding the private RSA non-repudiation key. The service can be called:

Issuer certificate

Encryption certificate

The expected response for these calls should be in the following format;

Verify pin

The expected response for these calls should be in the following format;

Sign

Data can be signed using the smartcard. To do so, the SDK facilitates in:

• Retrieving the certificate chain (root, intermediate and non-repudiation certificate)

• Perform a sign operation (private key stays on the smart card)

• Return the signed hash

The expected response for this call should be;

Bulk PIN Reset

The PIN set for bulk signing can be reset by calling this method.

Response will look like:

Authenticate

The SDK is able to authenticate a card holder based on a challenge. The challenge can be:

• provided by an external service

• provided by the smart card An authentication can be interpreted as a signature use case, the challenge is signed data, that can be validated in a back-end process

The expected response for this call should be;

Retrieve supported algorithms

The expected response for this call should be;

Introduction

This page describes all generic token models used.

Models

Introduction

In order to use the JS-SDK, the library must be initialised with an api-key. The api-key is a key received upon subscription. The JS-SDK is a client library for web based consumers. As a reminder, the T1C can be used from a native applications context using a native client, or addressing directly the T1C interface. In order to work with an api-key in a browser context, 2 type of consumers can be distinguished:

• SPA (Single Page Application) integration: this is a web application without any back-end

• Web Application integration: this is a web application with a back-end implementation

For an SPA, an api-key (thus the access token to the Distribution Service) is considered unsafe in a browser context. For SPA's, Trust1Team configures extra security measures on infrastructure level. A mutual authentication is required and additional policies are applied (IP restriction policy, ...).

The api-key must be translated into an JWT token in order to enable communication with the T1C.

Initialise the client library

To initialise the JavaScript client library, the library must be loaded into your HTML page:

Once loaded, the script will expose a GCLLib global. This global will allow you to create a GCLConfig:

The GCLConfigOptions object will allow you to specify and/or override the configuration to be used. Configuration options can be found in the Configuration Options below. You can create a GCLConfigOptions as follows:

Now that we have a configuration, we can initialise the client library. The following example creates a Promise that will resolve with an instance of a T1CClient:

Windows

Error while retrieving readers

Is the smartcard service running?

The Smartcard service is a Windows service that manages the connection to the eID and card reader. Therefore, this service must be running for you to be able to access the eID. You can check this as follows:

• Open "Windows Services".

• Search for "Smartcard service" as shown in the following screenshot:

Check the following Smartcard service settings (based on the screenshot above):

• The status column for the Smartcard service shows 'Running'.

• The 'Log On As' column shows 'Local Service'.

Are the Smartcard service settings NOT as they should be? Then do whichever of the following two options applies:

1. The Smartcard service is not running.

Start the Smartcard service, as follows:

• Double-click the Smartcard service.

• Click 'Start' and then 'OK'.

2. The Smartcard service is not logged on as a 'Local Service'.

• Double-click the Smartcard service.

• Select the second tab, 'Log On'.

• Select 'This account'.

• Click 'Browse'.

• In the white text box, type: loc.

• Then click 'Check names'.

• The name 'Local service' now appears in the text box.

• Then click 'OK'.

• Leave the password boxes empty.

• Click 'Apply'.

• Click 'OK'.

• Go back to the first tab, 'General', and restart the service.

• Click 'Start'.

• Click 'Stop'.

Introduction

The Trust1Connector supports user consent mechanism for applications:

implicit user consent: the user will be provided with a consent token which can be pasted into his clipboard. The T1C-GCL will implicitly retrieve the consent token form the clipboard and perform a verification (the token pasted in the clipboard - form the application context - should match with the token available on the clipboard for the T1C-GCL)

The consent can be configured to have an expiration date, when this expiration date has been exceeded, a new consent will be asked towards the user.

Consent dialog for implicit consent

If the consent has been enabled upon installation of the Trust1Connector, a user will not be able to retrieve any data from the connector without first giving its consent, agreeing to give access to his/her card reader of filestorage. Without this consent, all requests will return a 401 Unauthorized response with error code 500 No valid consent found or at initialisation of the Trust1Connector SDK an error code 500 No valid consent found. The application should detect these error codes and use it to trigger the consent dialog.

The application shows this code word on screen and provide a button for 'copy-to-clipboard'. When the user has copied the code word to the clipboard (on user click button event), an implicit consent request can be executed towards the T1C. The T1C will grab the pasted code word from the user system clipboard and if both match, an implicit user consent has been granted for the calling application. The relation between the application and the local T1C instance is 'approved'. At this point the Trust1Connector returns a cookie that should be stored in the browser. This cookie will be re-used the next time the user wants to use the Trust1Connector until the cookie expires.

User clipboard remark

Initially the concept was based on copying programmatically the code word, from the application context, to the user system clipboard. Although, through CAB forum, this not allowed; A user interaction is mandatory. The application should provide a 'copy-to-clipboard' button or alike in order to 'trigger' a user action. Once this action has been done, the T1C executes the flow automatically, this is retrieval and verification of the code word.

Sending an implicit consent request can be done as follows:

This call has 1 required and 2 optional parameters:

1. Code Word (required): a code word in string format that will be shown in the consent dialog.

2. Consent duration in days (optional): Allows the application the specify how long this consent is to be valid if granted. If not provided, the default value is 365 days.

3. Callback function (optional): function to be called with the result of the consent request.

The response of the consent will be an updated T1C Client which you after this point can use to continue your use-case(s).

The response can also be a 400 Bad Request with status code 115 "No agents registered to the proxy service" which means that the request has been sent with the unique code but the Proxy cannot not find the user associated with it by checking the clipboards of all connected users.

This could mean that there is no T1C API client present or it is not running correctly.

Introduction

The Trust1Connector API requires a valid JWT token to be provided in the Authorization header. This JWT token can be retrieved by asking the Distribution Service to generate a token for a specific API-key. It is important that this API-key is not exposed in the front-end application as this is a security violation.

When you've received a valid JWT token from the DS you can provide this into the configuration object when initialising the Trust1Connector JS client.

When using the Trust1Connector Javascript SDK the Authorization header is automatically populated with the JWT provided while initialising.

When the Token has expired there is a function which you can call to provide a new token and which will in turn return an updated client to be used.

Retrieving a JWT token

Retrieving a valid JWT token happens via the DS. When passing a valid API-key to header of the endpoint {{ds-url}}/v3/tokens/application (GET) you wil in turn receive a valid JWT token.

Example response

Refresh JWT token

A JWT token is only valid for a certain period. After this period the API will return an error. At this point you need to request a new JWT token to be able to communicate with the API.

In the T1C JS SDK there is a function which you can use to re-initalise the client with a new valid JWT token. This should be done when you receive a 104026 error-code which means you do not have a valid JWT

The updateJWT function can be found in the Core service. After initialising you can retrieve the core as follows:

The function's interface is as follows;

This function returns an updated client which you can continue to use for your desired use-cases.

Introduction

Aventra MyEID PKI Card is a cryptographic smart card conforming to common Public Key Infrastructure standards like ISO/IEC-7816 and PKCS#15v1.0 specification. It can be used for various tasks requiring strong cryptography, e. g. logging securely to Windows, encrypting e-mail, authentication, and electronic signatures. The card is also available as a Dual Interface version, compatible with T=CL protocol and also emulating Mifare™. The card is a JavaCard with Aventra MyEID applet that implements the functionality.

The applet implements the FINEID S1 v1.12 specification and it can be configured to include all or any subset of the features specified in FINEID S4-1 or S4-2 specifications. Starting from version 2.2.0 the applet supports both 1024 and 2048 bit RSA keys. From version 3.0.0 (MyEID3) the applet supports keys from 512 bit up to 2048 bit in increments of 64 bits. The applet is fully compatible with JavaCard 2.1.1 and GlobalPlatform 2.0.1 specifications. The new MyEID version 3 (MyEID3) is now released and it uses the new JavaCard 2.2.1 and GlobalPlatform 2.1.1 platform. The new MyEID3 now supports RSA keys from 512 up to 2048 bits in 64 bit increments. MyEID3 supports file sizes up to 32767 bytes and 14 different PIN-codes can be created and used. The number of RSA keys is only limited by the available memory and maximum numbers of files (see PUT DATA: INITIALISE APPLET).

References

The most relevant specifications and standards are:

• ISO/IEC 7816-4

• ISO/IEC 7816-8

• ISO/IEC 7816-9

• JavaCard 2.1.1, MyEID3: 2.2.1

• GlobalPlatform 2.0.1 ' (Open Platform), MyEID3: GlobalPlatform 2.1.1

• FINEID S1 and S4 documentation

This document describes the functionality provided by the Aventra smartcard - which is a PKI container - on the T1C-GCL (Generic Connector Library) implemented version:

• MyEID - reference manual v1.7.36

Interface

export interface AbstractAventra {
    allCertFilters(): string[];
    allKeyRefs(): string[];
    allCerts(parseCerts?: boolean, filters?: string[] | Options, callback?: (error: T1CLibException, data: TokenAllCertsResponse) => void): Promise<TokenAllCertsResponse>;
    tokenData(callback?: (error: T1CLibException, data: TokenDataResponse) => void): Promise<TokenDataResponse>;
    rootCertificate(parseCerts?: boolean, callback?: (error: T1CLibException, data: TokenCertificateResponse) => void): Promise<TokenCertificateResponse>;
    authenticationCertificate(parseCerts?: boolean, callback?: (error: T1CLibException, data: TokenCertificateResponse) => void): Promise<TokenCertificateResponse>;
    nonRepudiationCertificate(parseCerts?: boolean, callback?: (error: T1CLibException, data: TokenCertificateResponse) => void): Promise<TokenCertificateResponse>;
    encryptionCertificate(parseCerts?: boolean, callback?: (error: T1CLibException, data: TokenCertificateResponse) => void): Promise<TokenCertificateResponse>;
    issuerCertificate(parseCerts?: boolean, callback?: (error: T1CLibException, data: TokenCertificateResponse) => void): Promise<TokenCertificateResponse>
    verifyPin(body: TokenVerifyPinData, callback?: (error: T1CLibException, data: TokenVerifyPinResponse) => void): Promise<TokenVerifyPinResponse>;
    authenticate(body: TokenAuthenticateOrSignData, callback?: (error: T1CLibException, data: TokenAuthenticateResponse) => void): Promise<TokenAuthenticateResponse>;
    sign(body: TokenAuthenticateOrSignData, bulk?: boolean, callback?: (error: T1CLibException, data: TokenSignResponse) => void): Promise<TokenSignResponse>;
    resetPin(body: TokenResetPinData, callback?: (error: T1CLibException, data: TokenResetPinResponse) => void): Promise<TokenResetPinResponse>
    allAlgoRefs(callback?: (error: T1CLibException, data: TokenAlgorithmReferencesResponse) => void): Promise<TokenAlgorithmReferencesResponse>
    resetBulkPin(callback?: (error: T1CLibException, data: BoolDataResponse) => void): Promise<BoolDataResponse>;
}

Models

Examples

Create the Aventra module

T1CSdk.T1CClient.initialize(config).then(res => {
    const aventra = res.client.createAventra(readerId);
}, err => {
    console.error(error)
});

When initialisation is finished you can continue using the aventra object to execute the functions below.

All certificate filters

aventra.allCertFilters().then(res => {
}, err => {
    console.error(err)
})

The expected response for this call should be;

{
    success: true,
    data: ['rootCertificate', 'authenticationCertificate', 'encryptionCertificate', 'nonRepudiationCertificate', 'issuerCertificate']
}

all Key references

aventra.allKeyRefs().then(res => {
}, err => {
    console.error(err)
})

The expected response for this call should be;

{
    success: true,
    data: ['authenticate', 'sign', 'encrypt']
}

all Certificates

Exposes all the certificates publicly available on the smart card. The following certificates can be found on the card:

• Root certificate

• Signing certificate

• Authentication certificate

• Issuer certificate

• Encryption certificate

When additional parsing of the certificate is needed you can add a boolean to indicate if you want to parse the certificate or not.

const filter = ['rootCertificate', 'authenticationCertificate', 'encryptionCertificate'];
aventra.allCerts(parseCertsBoolean, filter).then(res => {
}, err => {
    console.error(err)
})

The expected response for this call should be;

{
    success: true,
    data: {
       authenticationCertificate?: {
            certificate?: TokenCertificateObject,
            certificates?: Array<TokenCertificateObject>
       },
       citizenCertificate?: {
            certificate?: TokenCertificateObject,
            certificates?: Array<TokenCertificateObject>
       },
       nonRepudiationCertificate?: {
            certificate?: TokenCertificateObject,
            certificates?: Array<TokenCertificateObject>
       },,
       rootCertificate?: {
            certificate?: TokenCertificateObject,
            certificates?: Array<TokenCertificateObject>
       },,
       encryptionCertificate?: {
            certificate?: TokenCertificateObject,
            certificates?: Array<TokenCertificateObject>
       },
    }
}

Token data

This will return information of the Aventra card.

aventra.tokenData().then(res => {
}, err => {
    console.error(err)
})

The expected response for this call should be;

{
    success: true,
    data: {
       version?: string,
       serialNumber?: string,
       label?: string,
       changeCounter?: number,
    }
}

Certificate

When additional parsing of the certificate is needed you can add a boolean to indicate if you want to parse the certificate or not.

Root certificate

Contains the 'root certificate' stored on the smart card.

aventra.rootCertificate(parseCertsBoolean).then(res => {
}, err => {
    console.error(err)
})

Authentication certificate

Contains the 'authentication certificate' stored on the smart card. The 'authentication certificate' contains the public key corresponding to the private RSA authentication key. The 'authentication certificate' is needed for pin validation, authentication and signing.

aventra.authenticationCertificate(parseCertsBoolean).then(res => {
}, err => {
    console.error(err)
})

Non repudiation certificate

Contains the 'non-repudiation certificate' stored on the smart card. The 'non-repudiation certificate' contains the public key corresponding the private RSA non-repudiation key.

aventra.nonRepudiationCertificate(parseCertsBoolean).then(res => {
}, err => {
    console.error(err)
})

Issuer certificate

aventra.issuerCertificate(parseCertsBoolean).then(res => {
}, err => {
    console.error(err)
})

Encryption certificate

aventra.encryptionCertificate(parseCertsBoolean).then(res => {
}, err => {
    console.error(err)
})

The expected response for these calls should be in the following format;

{
    success: true,
    data: {
        certificate?: TokenCertificateObject,
        certificates?: Array<TokenCertificateObject>    
    }    
}

Verify pin

const data = {
    pin: "1234", // optional
    osDialog: true // optional
}
aventra.verifyPin(data).then(res => {
}, err => {
    console.error(err)
})

The expected response for these calls should be in the following format;

{
    success: true,
    data: {
        "verfied": true
    }
}

Sign

const data = {
    algorithm: "sha256",
    data: "E1uHACbPvhLew0gGmBH83lvtKIAKxU2/RezfBOsT6Vs=",
    id: "123"
}
const bulk = false;
aventra.sign(data, bulk).then(res => {
}, err => {
    console.error(err)
})

The expected response for this call should be;

{
    success: true,
    data: {
        data: string
    }
}

Bulk PIN Reset

The PIN set for bulk signing can be reset by calling this method.

aventra.resetBulkPin().then(res => {
}, err => {
    console.error(err)
})

Response will look like:

{
    "success": true,
    "data": true
}

Authenticate

const data = {
    algorithm: "sha256",
    data: "E1uHACbPvhLew0gGmBH83lvtKIAKxU2/RezfBOsT6Vs=",
    id: "123"
}
aventra.authenticate(data).then(res => {
}, err => {
    console.error(err)
})

The expected response for this call should be;

{
    success: true,
    data: {
        data: string
    }
}

Reset pin

const data = {
    pin: "3214", //optional
    puk: "123123"
}
aventra.resetPin(data).then(res => {
}, err => {
    console.error(err)
})

The expected response for this call should be;

{
    success: true,
    data: {
        verified: boolean
    }
}

Retrieve supported algorithms

aventra.allAlgoRefs(data).then(res => {
}, err => {
    console.error(err)
})

The expected response for this call should be;

{
    success: true,
    data: {
        ref: ['sha256', 'md5']
    }
}

Introduction

The following page describes how you can integrate the Certigna module exposed on the Trust1Connector onto your web application.

Interface

export interface AbstractEidGeneric {
//  getModuleDescription(module: string, callback?: (error: T1CLibException, data: DataObjectResponse) => void): Promise<DataObjectResponse>;
//  allData(module: string, filters?: string[] | Options, callback?: (error: T1CLibException, data: TokenAllDataResponse) => void): Promise<TokenAllDataResponse>;
  allCerts(module: string, parseCerts?: boolean,  filters?: string[] | Options, callback?: (error: T1CLibException, data: TokenAllCertsResponse) => void): Promise<TokenAllCertsResponse>;
//  biometric(module: string, callback?: (error: T1CLibException, data: TokenBiometricDataResponse) => void): Promise<TokenBiometricDataResponse>;
//  tokenData(module: string, callback?: (error: T1CLibException, data: TokenDataResponse) => void): Promise<TokenDataResponse>;
//  address(module: string, callback?: (error: T1CLibException, data: TokenAddressResponse) => void): Promise<TokenAddressResponse>;
//  picture(module: string, callback?: (error: T1CLibException, data: TokenPictureResponse) => void): Promise<TokenPictureResponse>;
//  rootCertificate(module: string, parseCerts?: boolean,  callback?: (error: T1CLibException, data: TokenCertificateResponse) => void): Promise<TokenCertificateResponse>;
//  intermediateCertificates(module: string, parseCerts?: boolean,  callback?: (error: T1CLibException, data: TokenCertificateResponse) => void): Promise<TokenCertificateResponse>;
  authenticationCertificate(module: string, parseCerts?: boolean,  callback?: (error: T1CLibException, data: TokenCertificateResponse) => void): Promise<TokenCertificateResponse>;
  nonRepudiationCertificate(module: string, parseCerts?: boolean,  callback?: (error: T1CLibException, data: TokenCertificateResponse) => void): Promise<TokenCertificateResponse>;
//  encryptionCertificate(module: string, parseCerts?: boolean,  callback?: (error: T1CLibException, data: TokenCertificateResponse) => void): Promise<TokenCertificateResponse>;
  verifyPin(module: string, body: TokenVerifyPinData, callback?: (error: T1CLibException, data: TokenVerifyPinResponse) => void): Promise<TokenVerifyPinResponse>;
  authenticate(module: string, body: TokenAuthenticateOrSignData, callback?: (error: T1CLibException, data: TokenAuthenticateResponse) => void): Promise<TokenAuthenticateResponse>;
  sign(module: string, body: TokenAuthenticateOrSignData, bulk?: boolean, callback?: (error: T1CLibException, data: TokenSignResponse) => void): Promise<TokenSignResponse>;
  allAlgoRefs(module: string, callback?: (error: T1CLibException, data: TokenAlgorithmReferencesResponse) => void): Promise<TokenAlgorithmReferencesResponse>
  resetBulkPin(module: string, callback?: (error: T1CLibException, data: BoolDataResponse) => void): Promise<BoolDataResponse>;
}

Models

Initialise the Trust1Connector JS

Initialise a Trust1Connector client with a valid configuration:

T1CSdk.T1CClient.initialize(config).then(res => {
    client = res;
}, err => {
    console.error(error)
});

Obtain the Reader information

In order to get all connected card-readers, with available cards:

var core = client.core();
core.readersCardAvailable(callback);

This function call returns:

{
  "data": [
    // List of reader with cards found
  ],
  "success": true
}

Using the generic interface can be done as follows;

const module = "certigna";
var generic = client.generic(selected_reader.id);

Because we're using the generic interface we can define the module variable upfront since we know we want to use the certigna integration.

Certificates

Exposes all the certificates publicly available on the smart card.

Authentication Certificate

Contains the 'authentication certificate' stored on the smart card. The 'authentication certificate' contains the public key corresponding to the private RSA authentication key. The 'authentication certificate' is needed for pin validation and authentication. When additional parsing of the certificate is needed you can add a boolean to indicate if you want to parse the certificate or not The service can be called:

generic.authenticationCertificate(module, parseCertsBoolean, callback);

Response:

{
    "certificate": {
        "certificate": "MIIFjjCCA3agAwIBAgIIO...xg==",
        "parsedCertificate": {...}
    },
    // OR if multiple certificates
    "certificates" [
        {
            "certificate": {
                "certificate": "MIIFjjCCA3agAwIBAgIIO...xg==",
                "parsedCertificate": {...}
            }
        }
    ]
}

Non-repudiation Certificate

Contains the 'non-repudiation certificate' stored on the smart card. The 'non-repudiation certificate' contains the public key corresponding the private RSA non-repudiation key. When additional parsing of the certificate is needed you can add a boolean to indicate if you want to parse the certificate or not The service can be called:

generic.nonRepudiationCertificate(module, parseCertsBoolean, callback);

Response:

{
    "certificate": {
        "certificate": "MIIFjjCCA3agAwIBAgIIO...xg==",
        "parsedCertificate": {...}
    },
    // OR if multiple certificates
    "certificates" [
        {
            "certificate": {
                "certificate": "MIIFjjCCA3agAwIBAgIIO...xg==",
                "parsedCertificate": {...}
            }
        }
    ]
}

Filter Certificates

All certificates on the smart card can be dumped at once, or using a filter. In order to read all certificates at once:

var filter = [];
generic.allCerts(module, parseCerts, { filters: filter}, callback);

Response:

{
    "certificate": {
        "certificate": "MIIFjjCCA3agAwIBAgIIO...xg==",
        "parsedCertificate": {...}
    },
    // OR if multiple certificates
    "certificates" [
        {
            "certificate": {
                "certificate": "MIIFjjCCA3agAwIBAgIIO...xg==",
                "parsedCertificate": {...}
            }
        }
    ]
}

The filter can be used to ask a list of custom data containers. For example, we want to read only the rootCertificate

var filter = ['authenticationCertificate'];
generic.allCerts(module, { filters: filter}, callback);

Response:

{
    "certificate": {
        "certificate": "MIIFjjCCA3agAwIBAgIIO...xg==",
        "parsedCertificate": {...}
    },
    // OR if multiple certificates
    "certificates" [
        {
            "certificate": {
                "certificate": "MIIFjjCCA3agAwIBAgIIO...xg==",
                "parsedCertificate": {...}
            }
        }
    ]
}

Sign Data

To get the certificates necessary for signature validation in your back-end:

var filter = null;
generic.allCerts(module, { filters: filter}, callback);

Response:

{
 "authenticationCertificate": {
  ...
 },
 "nonRepudiationCertificate": {
  ...
 }
}

Depending on the connected smart card reader. A sign can be executed in 2 modes:

• Using a connected card reader with 'pin-pad' capabilities (keypad and display available)

• Using a connected card reader without 'pin-pad' capabilities (no keypad nor display available)

Security consideration: In order to sign a hash, security considerations prefer using a 'pin-pad'.

Sign Hash without pin-pad

When the web or native application is responsible for showing the password input, the following request is used to sign a given hash:

var data = {
      "pin":"...",
      "algorithmReference":"sha1",
      "data":"I2e+u/sgy7fYgh+DWA0p2jzXQ7E=",
      "osDialog": true
}
generic.sign(module, data, callback);

Response is a base64 encoded signed hash:

{
  "success": true,
  "data": "W7wqvWA8m9SBALZPxN0qUCZfB1...0nzB7hXC/Lc/fMru82m/AAqCuGTYMPKcIpQG6MtZ/SGVpZUA/71jv3D9CatmGYGZc52cpcb7cqOVT7EmhrMtwo/jyUbi/Dy5c8G05owkbgx6QxnLEuTLkfoqsW9Q="
}

The 'authenticationreference' property can contain the following values: sha1, sha256, sha512, md5.

Sign Hash with pin-pad

When the pin entry is done on the pin-pad, the following request is used to sign a given hash:

var data = {
      "algorithmReference":"sha1",
      "data":"I2e+u/sgy7fYgh+DWA0p2jzXQ7E=",
      "osDialog": false
}
generic.sign(module, data, callback);

Response is a base64 encoded signed hash:

{
    "success": true,
    "data": "W7wqvWA8m...hXC/Lc/fMru82m/AAqCuGTYMPKcIpQG6MtZ/SGVpZUA/71jv3D9CatmGYGZc52cpcb7cqOVT7EmhrMtwo/jyUbi/Dy5c8G05owkbgx6QxnLEuTLkfoqsW9Q="
}

The 'algorithm_reference' property can contain the following values: sha1, sha256, sha512, md5.

The core services lists connected readers, and if they have pin-pad capability. You can find more information in the Core Service documentation on how to verify card reader capabilities.

Bulk Signing

const data = {
    algorithm: "sha256",
    data: "E1uHACbPvhLew0gGmBH83lvtKIAKxU2/RezfBOsT6Vs=",
    pin: "1234"
}
const bulk = true;
generic.sign(module, data, bulk).then(res => {
}, err => {
    console.error(err)
})

Bulk PIN Reset

The PIN set for bulk signing can be reset by calling this method.

generic.resetBulkPin(module).then(res => {
}, err => {
    console.error(err)
})

Response will look like:

{
    "success": true,
    "data": true
}

Verify PIN

Verify PIN without pin-pad

When the web or native application is responsible for showing the password input, the following request is used to verify a card holder PIN:

var data = {
      "pin":"..."
}
generic.verifyPin(module, data, callback);

Response:

{
  "verified": true
}

Verify PIN with pin-pad

When the pin entry is done on the pin-pad, the following request is used to verify a given PIN:

var data = {}
generic.verifyPin(module, data, callback);

Response:

{
  "verified": true
}

Authentication

The T1C-GCL is able to authenticate a card holder based on a challenge. The challenge can be:

• provided by an external service

• provided by the smart card An authentication can be interpreted as a signature use case, the challenge is signed data, that can be validated in a back-end process.

  External Challenge

  An external challenge is provided in the data property of the following example:

var data = {
  "pin": "...",
  "algorithm_reference": "sha1",
  "data":"I2e+u/sgy7fYgh+DWA0p2jzXQ7E="
}
generic.authenticate(module, data, callback);

Response:

{
"success": true,
"data": "W7wqvWA8m9SBALZPxN0qUCZfB1O/WLaM/silenLzSXXmeR+0nzB7hXC/Lc/fMru82m/AAqCuGTYMPKcIpQG6MtZ/SGVpZUA/71jv3D9CatmGYGZc52cpcb7cqOVT7EmhrMtwo/jyUbi/Dy5c8G05owkbgx6QxnLEuTLkfoqsW9Q="
}

Take notice that the PIN property can be omitted when using a smart card reader with pin-pad capabilities.

Get valid algorithms to use for Sign or Authenticate

Via the Trust1Connector generic modules you are able to retrieve available algorithms to use for Signing or Authenticate

generic.allAlgoRefs(module, callback);

The response you can expect is a list of algorithms, an example can be found below (the values below are purely examplatory)

{
    "success": true,
    "data": ["sha1", "sha256"]
}