Ethereum crypto module

Installation

For the mobile device run (it requires Docker to work):

./browserify.sh

The resultant single js file will be saved in bundle.js file in the same directory

To install the module globally for node.js run:

npm install eth-crypto  -g

Usage

const EthCrypto = require('eth-crypto');
var ethCrypto = new EthCrypto();

Every method returns a promise with the result.

Signing message

ethCrypto.signMessage(message,encryptedV3KeyPair,password)
.then(function(signature) {
    //do something with the signature
}).catch(function handleError(error) {
    //your error handling goes here
});

Creating a new account

ethCrypto.ethCrypto.createAccount(password)
.then(function(encryptedV3KeyPair) {
  //do something with the key pair
}).catch(function handleError(error) {
    //your error handling goes here
});

Validate signature

ethCrypto.ethCrypto.validateSignature(message,signature,address);
.then(function(result) {
  if(result) {
    console.log("Bugger.");
  } else {
    console.log("Yupee!");
  }
}).catch(function handleError(error) {
    //your error handling goes here
});

Dependencies

• ethereumjs-wallet npm install ethereumjs-wallet --save
• ethereumjs-util npm install ethereumjs-util --save
• Q npm install q --save