ecdsa for the browser using the webcrypto api
Demo: https://angeal185.github.io/jquery-ecdsa
npm
$ npm install js-ecdsa --save
bower
$ bower install js-ecdsa
git
$ git clone [email protected]:angeal185/js-ecdsa.git
<script src="./dist/js-ecdsa.min.js"></script>
/**
* generate ecdsa keypair
* @param {string} curve ~ '256'/'384'/'521'
* @param {function} cb ~ callback function(err,res)
**/
ecdsa.gen(curve, cb)
/**
* create signature
* @param {string} key ~ valid jwk
* @param {string} data ~ data to be signed
* @param {string} hash ~ '128'/'256'/'512'
* @param {string} digest ~ 'hex'/'base64'/'Uint8'
* @param {function} cb ~ callback function(err,res)
**/
ecdsa.sign(key, data, hash, digest, cb)
/**
* verify signature
* @param {string} key ~ valid jwk
* @param {string} sig ~ valid signature
* @param {string} data ~ data to verify
* @param {string} hash ~ '128'/'256'/'512'
* @param {string} digest ~ 'hex'/'base64'/'Uint8'
* @param {function} cb ~ callback function(err,res)
**/
ecdsa.verify(key, sig, data, hash, digest, cb)
//demo
const config = {
curve: '521', // P-521
hash: '512', // SHA-512
digest: 'hex', // hexadecimal
data: 'test'
}
//generate p-521 ecdsa keypair
ecdsa.gen(config.curve, function(err, gen){
if(err){return console.log(err)}
console.log(gen)
//sign some data
ecdsa.sign(gen.private, config.data, config.hash, config.digest, function(err, sig){
if(err){return console.log(err)}
console.log(sig)
//verify signature
ecdsa.verify(gen.public, sig, config.data, config.hash, config.digest, function(err, res){
if(err){return console.log(err)}
if(res){
return console.log('ecdsa test pass')
}
return console.log('ecdsa test fail')
})
})
})