hw-transport-u2f

Github, Ledger Devs Slack

@ledgerhq/hw-transport-u2f

Allows to communicate with Ledger Hardware Wallets.

[Web] (U2F) (legacy but reliable) – FIDO U2F api. check browser support.

API

Table of Contents

• TransportU2F
  • Examples
  • exchange
    • Parameters
  • setScrambleKey
    • Parameters
  • setUnwrap
    • Parameters
  • open
    • Parameters

TransportU2F

Extends Transport

U2F web Transport implementation

Examples

import TransportU2F from "@ledgerhq/hw-transport-u2f";
...
TransportU2F.create().then(transport => ...)

exchange

Exchange with the device using APDU protocol.

Parameters

• apdu Buffer

Returns Promise<Buffer> a promise of apdu response

setScrambleKey

Parameters

• scrambleKey string

setUnwrap

Parameters

• unwrap boolean

open

static function to create a new Transport from a connected Ledger device discoverable via U2F (browser support)

Parameters

• _ any
• _openTimeout number (optional, default 5000)

Returns Promise<TransportU2F>