chore: release version v0.4.0

fix: some issues found when using in libp2p-secio

package.json

@@ -1,6 +1,6 @@
 {
-  "name": "js-libp2p-crypto",
-  "version": "0.2.0",
+  "name": "libp2p-crypto",
+  "version": "0.4.0",
   "description": "Crypto primitives for libp2p",
   "main": "lib/index.js",
   "jsnext:main": "src/index.js",

src/ephemeral-keys.js

@@ -30,7 +30,7 @@ module.exports = (curveName) => {
   }
 
   return {
-    key: priv.getPublic(),
+    key: new Buffer(priv.getPublic('hex'), 'hex'),
     genSharedKey
   }
 }

src/key-stretcher.js

@@ -21,7 +21,8 @@ const cipherMap = {
 const hashMap = {
   SHA1: 'sha1',
   SHA256: 'sha256',
-  SHA512: 'sha512'
+  // workaround for https://github.com/digitalbazaar/forge/issues/401
+  SHA512: forge.md.sha512.create()
 }
 
 // Generates a set of keys for each party by stretching the shared key.

src/keys/rsa.js

@@ -19,7 +19,11 @@ class RsaPublicKey {
 
   verify (data, sig) {
     const md = forge.md.sha256.create()
-    md.update(data, 'utf8')
+    if (Buffer.isBuffer(data)) {
+      md.update(data.toString('binary'), 'binary')
+    } else {
+      md.update(data)
+    }
 
     return this._key.verify(md.digest().bytes(), sig)
   }
@@ -60,9 +64,13 @@ class RsaPrivateKey {
 
   sign (message) {
     const md = forge.md.sha256.create()
-    md.update(message, 'utf8')
-
-    return this._privateKey.sign(md)
+    if (Buffer.isBuffer(message)) {
+      md.update(message.toString('binary'), 'binary')
+    } else {
+      md.update(message)
+    }
+    const raw = this._privateKey.sign(md, 'RSASSA-PKCS1-V1_5')
+    return new Buffer(raw, 'binary')
   }
 
   get public () {

test/key-stretcher.spec.js

@@ -9,8 +9,7 @@ const fixtures = require('./fixtures/go-stretch-key')
 describe('keyStretcher', () => {
   describe('generate', () => {
     const ciphers = ['AES-128', 'AES-256', 'Blowfish']
-    const hashes = ['SHA1', 'SHA256']
-    // add 'SHA512' when https://github.com/digitalbazaar/forge/issues/401 is resolved
+    const hashes = ['SHA1', 'SHA256', 'SHA512']
     const res = crypto.generateEphemeralKeyPair('P-256')
     const secret = res.genSharedKey(res.key)
 

test/rsa.spec.js

@@ -112,4 +112,26 @@ describe('RSA', () => {
       })
     })
   })
+
+  it('sign and verify', () => {
+    const data = new Buffer('hello world')
+    const sig = key.sign(data)
+
+    expect(
+      key.public.verify(data, sig)
+    ).to.be.eql(
+      true
+    )
+  })
+
+  it('does fails to verify for different data', () => {
+    const data = new Buffer('hello world')
+    const sig = key.sign(data)
+
+    expect(
+      key.public.verify(new Buffer('hello'), sig)
+    ).to.be.eql(
+      false
+    )
+  })
 })