secure-wallet-native

A React Native module for secure wallet functionality using iOS Secure Enclave and secp256k1 cryptography.

Features

• 🔐 iOS Secure Enclave integration
• 🗝️ secp256k1 cryptographic operations
• 📱 BIP39 mnemonic generation
• 🔒 Secure key storage in Keychain
• ✍️ Transaction signing
• 🏠 Ethereum address derivation

Installation

npm install secure-wallet-native

Usage

import SecureWallet from 'secure-wallet-native';

// Check if Secure Enclave is available
const isAvailable = await SecureWallet.isSecureEnclaveAvailable();

// Generate a new wallet
const wallet = await SecureWallet.generateSecureWallet({});

// Sign a transaction
const signature = await SecureWallet.signTransactionHash('0x...');

// Get mnemonic phrase
const mnemonic = await SecureWallet.getMnemonic();

API Reference

isSecureEnclaveAvailable()

Returns Promise<boolean> - Whether the device supports Secure Enclave.

generateSecureWallet(config)

Generates a new secure wallet using Secure Enclave. Returns Promise<WalletGenerationResult>

signTransactionHash(hash)

Signs a transaction hash using the stored private key. Returns Promise<SignatureResult>

getMnemonic()

Retrieves the stored mnemonic phrase. Returns Promise<string>

deleteWallet()

Deletes all wallet data from the device. Returns Promise<boolean>

Requirements

• iOS 15.1+
• React Native 0.60+
• Device with Secure Enclave support

License

MIT