js-libp2p-crypto/test/ed25519.spec.js
Friedel Ziegelmayer 1a2d468369 fix: consistent buffer usage (#56)
* fix: consistent buffer usage

Closes #49

* more fixes for node 4
2017-01-16 05:17:50 +01:00

196 lines
3.9 KiB
JavaScript

/* eslint-env mocha */
'use strict'
const expect = require('chai').expect
const Buffer = require('safe-buffer').Buffer
const crypto = require('../src')
const ed25519 = crypto.keys.ed25519
const fixtures = require('./fixtures/go-key-ed25519')
describe('ed25519', () => {
let key
before((done) => {
crypto.generateKeyPair('Ed25519', 512, (err, _key) => {
if (err) return done(err)
key = _key
done()
})
})
it('generates a valid key', (done) => {
expect(
key
).to.be.an.instanceof(
ed25519.Ed25519PrivateKey
)
key.hash((err, digest) => {
if (err) {
return done(err)
}
expect(digest).to.have.length(34)
done()
})
})
it('signs', (done) => {
const text = crypto.randomBytes(512)
key.sign(text, (err, sig) => {
if (err) {
return done(err)
}
key.public.verify(text, sig, (err, res) => {
if (err) {
return done(err)
}
expect(res).to.be.eql(true)
done()
})
})
})
it('encoding', (done) => {
const keyMarshal = key.marshal()
ed25519.unmarshalEd25519PrivateKey(keyMarshal, (err, key2) => {
if (err) {
return done(err)
}
const keyMarshal2 = key2.marshal()
expect(
keyMarshal
).to.be.eql(
keyMarshal2
)
const pk = key.public
const pkMarshal = pk.marshal()
const pk2 = ed25519.unmarshalEd25519PublicKey(pkMarshal)
const pkMarshal2 = pk2.marshal()
expect(
pkMarshal
).to.be.eql(
pkMarshal2
)
done()
})
})
describe('key equals', () => {
it('equals itself', () => {
expect(
key.equals(key)
).to.be.eql(
true
)
expect(
key.public.equals(key.public)
).to.be.eql(
true
)
})
it('not equals other key', (done) => {
crypto.generateKeyPair('Ed25519', 512, (err, key2) => {
if (err) return done(err)
expect(
key.equals(key2)
).to.be.eql(
false
)
expect(
key2.equals(key)
).to.be.eql(
false
)
expect(
key.public.equals(key2.public)
).to.be.eql(
false
)
expect(
key2.public.equals(key.public)
).to.be.eql(
false
)
done()
})
})
})
it('sign and verify', (done) => {
const data = Buffer.from('hello world')
key.sign(data, (err, sig) => {
if (err) {
return done(err)
}
key.public.verify(data, sig, (err, valid) => {
if (err) {
return done(err)
}
expect(valid).to.be.eql(true)
done()
})
})
})
it('fails to verify for different data', (done) => {
const data = Buffer.from('hello world')
key.sign(data, (err, sig) => {
if (err) {
return done(err)
}
key.public.verify(Buffer.from('hello'), sig, (err, valid) => {
if (err) {
return done(err)
}
expect(valid).to.be.eql(false)
done()
})
})
})
describe('go interop', () => {
let privateKey
before((done) => {
crypto.unmarshalPrivateKey(fixtures.verify.privateKey, (err, key) => {
expect(err).to.not.exist
privateKey = key
done()
})
})
it('verifies with data from go', (done) => {
const key = crypto.unmarshalPublicKey(fixtures.verify.publicKey)
key.verify(fixtures.verify.data, fixtures.verify.signature, (err, ok) => {
if (err) throw err
expect(err).to.not.exist
expect(ok).to.be.eql(true)
done()
})
})
it('generates the same signature as go', (done) => {
privateKey.sign(fixtures.verify.data, (err, sig) => {
expect(err).to.not.exist
expect(sig).to.deep.equal(fixtures.verify.signature)
done()
})
})
})
})