BIP-39 Wallet Generator

This program generates a BIP-39 compliant mnemonic phrase for creating a cryptocurrency wallet.

Instructions

• Run the code by executing the command node walletCreation.js
• Answer the prompts as follows:
  • "Would you like to generate a random 128-bit number? (y/n):"
  • If you choose to generate a random number:
    • The program will display the random number in hexadecimal and binary formats.
  • It will then ask: "Would you like to represent this seed in binary and split it into 11-bit chunks? (y/n):"
    • The program will display the SHA-256 hash of the seed in hexadecimal and binary formats.
  • It will then ask: "Would you like to assign a BIP-39 word to each 11-bit chunk and display the mnemonic seed? (y/n):"
    • The program will display the generated mnemonic phrase.
  • It will then ask: "Would you like to import a mnemonic seed? (y/n):"
    • The program will display the 132 bits associate to the seed.

How it works

• The program uses the BIP-39 standard to generate a mnemonic phrase from a randomly generated 128-bit number.
• It performs a series of cryptographic and bit manipulation operations to ensure the generated phrase is secure and follows the BIP-39 standard.

Note: Ensure you have the required dependencies (crypto, fs, and readline) installed in your environment to run this program.

BIP32 Key Generation

This code demonstrates the generation of hierarchical deterministic (HD) keys using the BIP32 standard.

Instructions

1. Creating Master Keys (Q1 and Q2): The createMasterKeys function takes a root seed in hexadecimal format and generates a master private key, master public key, and a chain code.

2. Creating Child Keys (Q3 and Q4): The createChildKeys function generates child private and public keys, as well as a child chain code, based on the parent keys and an index.

3. Creating Child Keys at Derivation Level (Q5): The createChildKeysAtDerivationLevel function generates child keys at a specified derivation level, index, and based on the parent keys.

How It Works

Master Key Generation (Q1 and Q2)

• The createMasterKeys function takes a root seed in hexadecimal format.
• It converts the root seed into a buffer.
• It uses HMAC-SHA512 to split the root seed into a master private key (32 bytes), a master public key, and a chain code (32 bytes).
• The master private key and chain code are returned as hexadecimal strings.

Child Key Generation (Q3 and Q4)

• The createChildKeys function takes the parent keys (private key, public key, and chain code) and an index.
• It prepares data by concatenating the parent public key, an index buffer, and zeroes.
• It uses HMAC-SHA512 with the parent chain code to derive a child private key and a child chain code.
• The child private key and child public key are returned as hexadecimal strings.

Child Key Generation at Derivation Level (Q5)

• The createChildKeysAtDerivationLevel function takes the parent keys, an index, and a derivation level.
• It prepares data by concatenating the parent public key, the derivation level buffer, and an index buffer.
• It uses HMAC-SHA512 with the parent chain code to derive a child private key and a child chain code.
• The child private key, child public key, and child chain code are returned as hexadecimal strings.

Usage

1. Provide a root seed in hexadecimal format as input to the createMasterKeys function.
2. Use the createChildKeys function to generate child keys based on the parent keys and an index.
3. Utilize the createChildKeysAtDerivationLevel function to generate child keys at a specific derivation level, index, and based on the parent keys.

Disclaimer

This program is for educational purposes only. Always follow best practices for securing your cryptocurrency wallets and never share your mnemonic phrase with anyone.