Introduction

This documentation describes the different interfaces of Embedded SDK, for Nano X, Nano S+ Stax and Flex applications development.

Address Book

The Address Book API page contains all information necessary to use the Address Book feature, which allows a Ledger device to securely associate human-readable names with blockchain identifiers or Ledger-managed accounts.

BlueTooth Low-Energy Interface

This section contains the interfaces necessary to interact with the BLE stack.

Cryptographic Library

The Cryptographic Library page contains all information necessary to understand Cryptographic Library

Generic Linked List Library

The Generic Linked List Library page contains all information necessary to use the Generic Linked List library.

Dynamic Memory Allocator Interface

The Dynamic memory allocator page contains all information necessary to interact with Dynamic Memory Allocator.

Display & Screen drawing API

The New BOLOS Graphic API for Stax/Flex/Apex devices page contains all information necessary to understand the Graphical Library for Stax, Flex, NanoX and NanoS+ applications development.

NFC Interface

The NFC API page contains all information necessary to interact with NFC stack.

PKI Signature Verification

The PKI signature verification page contains all information necessary to verify signatures using Ledger-issued PKI certificates.

Standard Application Framework

The Standard Application Framework page contains all information necessary to use the Standard Application framework.

TLV Parsing Library

The TLV parsing library page contains all information necessary to define and use Tag-Length-Value parsers, including pre-built cross-application use cases.

USB

USB Core

This section contains all information necessary to use the USB Core.

USB Classes API

This section contains all information necessary to use the USB Classes API.

U2F (Universal 2nd Factor) API

This section contains all information necessary to use the U2F API.

User eXperience

The User Experience library for NBGL-based Applications page contains all information necessary to the User eXperience (and partially Graphical Library) for applications development.

Fuzzing Framework

The Fuzzing Framework page explains how to run, integrate, and maintain coverage-guided fuzzing for the SDK and Ledger applications.