Derivation Depth

Up to eight levels of derivation depth are supported. Child keys are derived using HMAC-SHA512 as per standard HD wallet definitions.

Menu

Cryptnox Card Communication Libraries
- Introduction
- Technical Specifications
Lifecycle Management
Card Secrets
Commands
- Table of Commands
- Command Reference (APDU)

Menu

Cryptnox Card Communication Libraries
- Introduction
- Technical Specifications
Lifecycle Management
Card Secrets
Commands
- Table of Commands
- Command Reference (APDU)

← Independent Derivation Trees Pinless Path (EIP-1581) →

Array
(
    [current_index] => 22
    [prev_index] => 21
    [next_index] => 23
    [titles] => Array
        (
            [0] => Cryptnox Card Communication Libraries
            [1] => Introduction
            [2] => Overview
            [3] => Security Model
            [4] => Supported Algorithms & Curves
            [5] => Technical Specifications
            [6] => Cryptographic Capabilities
            [7] => Communication Protocols
            [8] => Secure Element Features
            [9] => Hardware & JavaCard Platform
            [10] => Lifecycle Management
            [11] => Card startup & SELECT applet
            [12] => Initialization (INIT command, PIN/PUK setup, pairing key)
            [13] => Pairing & Secure Channel establishment
            [14] => Seed management (generation, dual generation, recovery)
            [15] => 5.1 Seed Generation (Internal)
            [16] => 5.2 Seed Loading (External)
            [17] => 5.3 Dual Generation Mode (Backup)
            [18] => 5.4 Recovery
            [19] => 5.5 Security Considerations
            [20] => Derivation Paths & Key Hierarchy
            [21] => Independent Derivation Trees
            [22] => Derivation Depth
            [23] => Pinless Path (EIP-1581)
            [24] => Key Usage
            [25] => Reset Procedures
            [26] => Card Secrets
            [27] => Commands
            [28] => Table of Commands
            [29] => Command Reference (APDU)
            [30] => Application & Identification
            [31] => Get Card Pubkey
            [32] => Get Manufacturer Certificate
            [33] => Get Card Certificate
            [34] => Initialization & Pairing
            [35] => Open Secure Channel
            [36] => Mutually Authenticate
            [37] => Change Pairing Key
            [38] => User Authentication
            [39] => Verify Pin
            [40] => Change Pin / Puk
            [41] => Unblock Pin
            [42] => Add User Key
            [43] => Check User Key
            [44] => Delete User Key
            [45] => Set Pin Auth
            [46] => Key & Seed Management
            [47] => Load Key
            [48] => Generate Key
            [49] => Set Pinless Path
            [50] => Set Pub Export
            [51] => Get Pubkey
            [52] => Derive Key
            [53] => Generate Trng Random
            [54] => Signing & Decryption
            [55] => Sign
            [56] => Decrypt
            [57] => Data Storage & History
            [58] => Get Card Info / Read Data
            [59] => Get History
            [60] => Write Data
            [61] => Reset & Administration
            [62] => Reset
        )

)