Finprint Crypto Utils

Cryptographic functions for use with the Finprint protocol, built using libsodium.

Setup and Installation

npm install @finprint/crypto-utils

Before calling any finprint-crypto functions, you'll need to initialize the library by awaiting the ready promise.

import * as crypto from '@finprint/crypto-utils'
await crypto.ready

Supported Functions

This module supports only the algorithms and formats used by the Finprint smart contracts.

Encryption

• X25519-Chacha20-Poly1305 key generation
• X25519-Chacha20-Poly1305 encryption/decryption

Digest

• blake2b-256

Encoding

• Base64Url unpadded