modularize format

Author: calvinmetcalf

algos.js

@@ -2,69 +2,69 @@ exports['RSA-SHA224'] = exports.sha224WithRSAEncryption = {
   sign: 'rsa',
   hash: 'sha224',
   id: new Buffer('302d300d06096086480165030402040500041c', 'hex')
-};
+}
 exports['RSA-SHA256'] = exports.sha256WithRSAEncryption = {
   sign: 'rsa',
   hash: 'sha256',
   id: new Buffer('3031300d060960864801650304020105000420', 'hex')
-};
+}
 exports['RSA-SHA384'] = exports.sha384WithRSAEncryption = {
   sign: 'rsa',
   hash: 'sha384',
   id: new Buffer('3041300d060960864801650304020205000430', 'hex')
-};
+}
 exports['RSA-SHA512'] = exports.sha512WithRSAEncryption = {
   sign: 'rsa',
   hash: 'sha512',
   id: new Buffer('3051300d060960864801650304020305000440', 'hex')
-};
+}
 exports['RSA-SHA1'] = {
 	sign: 'rsa',
 	hash: 'sha1',
 	id: new Buffer('3021300906052b0e03021a05000414', 'hex')
-};
+}
 exports['ecdsa-with-SHA1'] = {
 	sign: 'ecdsa',
 	hash: 'sha1',
 	id: new Buffer('', 'hex')
-};
+}
 exports.DSA = exports['DSA-SHA1'] = exports['DSA-SHA'] = {
   sign: 'dsa',
   hash: 'sha1',
   id: new Buffer('', 'hex')
-};
+}
 exports['DSA-SHA224'] = exports['DSA-WITH-SHA224'] = {
   sign: 'dsa',
   hash: 'sha224',
   id: new Buffer('', 'hex')
-};
+}
 exports['DSA-SHA256'] = exports['DSA-WITH-SHA256'] = {
   sign: 'dsa',
   hash: 'sha256',
   id: new Buffer('', 'hex')
-};
+}
 exports['DSA-SHA384'] = exports['DSA-WITH-SHA384'] = {
   sign: 'dsa',
   hash: 'sha384',
   id: new Buffer('', 'hex')
-};
+}
 exports['DSA-SHA512'] = exports['DSA-WITH-SHA512'] = {
   sign: 'dsa',
   hash: 'sha512',
   id: new Buffer('', 'hex')
-};
+}
 exports['DSA-RIPEMD160'] = {
   sign: 'dsa',
   hash: 'rmd160',
   id: new Buffer('', 'hex')
-};
+}
 exports['RSA-RIPEMD160'] = exports.ripemd160WithRSA = {
   sign: 'rsa',
   hash: 'rmd160',
   id: new Buffer('3021300906052b2403020105000414', 'hex')
-};
+}
 exports['RSA-MD5'] = exports.md5WithRSAEncryption = {
   sign: 'rsa',
   hash: 'md5',
   id: new Buffer('3020300c06082a864886f70d020505000410', 'hex')
-};
+}

browser.js

@@ -0,0 +1,91 @@
+'use strict'
+var sign = require('./sign')
+var verify = require('./verify')
+var stream = require('stream')
+var inherits = require('inherits')
+var _algos = require('./algos')
+var createHash = require('create-hash')
+var algos = {}
+Object.keys(_algos).forEach(function (key) {
+  algos[key] = algos[key.toLowerCase()] = _algos[key]
+})
+
+exports.createSign = exports.Sign = createSign
+
+function createSign (algorithm) {
+  return new Sign(algorithm)
+}
+
+exports.createVerify = exports.Verify = createVerify
+
+function createVerify (algorithm) {
+  return new Verify(algorithm)
+}
+
+inherits(Sign, stream.Writable)
+
+function Sign (algorithm) {
+  stream.Writable.call(this)
+  var data = algos[algorithm]
+  if (!data)
+    throw new Error('Unknown message digest')
+
+  this._hashType = data.hash
+  this._hash = createHash(data.hash)
+  this._tag = data.id
+}
+
+Sign.prototype._write = function _write (data, _, done) {
+  this._hash.update(data)
+  done()
+}
+
+Sign.prototype.update = function update (data, enc) {
+  if (typeof data === 'string')
+    data = new Buffer(data, enc)
+  this._hash.update(data)
+  return this
+}
+
+Sign.prototype.sign = function signMethod (key, enc) {
+  this.end()
+  var hash = this._hash.digest()
+  var sig = sign(Buffer.concat([this._tag, hash]), key, this._hashType)
+  if (enc) {
+    sig = sig.toString(enc)
+  }
+  return sig
+}
+
+inherits(Verify, stream.Writable)
+function Verify (algorithm) {
+  stream.Writable.call(this)
+  var data = algos[algorithm]
+  if (!data)
+    throw new Error('Unknown message digest')
+
+  this._hash = createHash(data.hash)
+  this._tag = data.id
+}
+
+Verify.prototype._write = function _write (data, _, done) {
+  this._hash.update(data)
+  done()
+}
+
+Verify.prototype.update = function update (data, enc) {
+  if (typeof data === 'string')
+    data = new Buffer(data, enc)
+
+  this._hash.update(data)
+  return this
+}
+
+Verify.prototype.verify = function verifyMethod (key, sig, enc) {
+  this.end()
+  var hash = this._hash.digest()
+  if (typeof sic === 'string')
+    sig = new Buffer(sig, enc)
+
+  return verify(sig, Buffer.concat([this._tag, hash]), key)
+}

index.js

@@ -1 +1,7 @@
-require('./inject')(module.exports, require('crypto'));
+var crypto = require('crypto')
+
+exports.createSign = crypto.createSign
+exports.Sign = crypto.Sign
+
+exports.createVerify = crypto.createVerify
+exports.Verify = crypto.Verify

inject.js

@@ -3,21 +3,24 @@
   "version": "2.8.0",
   "description": "",
   "main": "index.js",
+  "browser": "browser.js",
   "scripts": {
     "test": "node test/index.js | tspec"
   },
   "repository": {
     "type": "git",
-    "url": "git://github.com/calvinmetcalf/browserify-sign.git"
+    "url": "git://github.com/crypto-browserify/browserify-sign.git"
   },
   "author": "",
   "license": "ISC",
   "dependencies": {
     "bn.js": "^1.0.0",
-    "browserify-rsa": "^1.1.0",
+    "browserify-rsa": "^2.0.0",
+    "create-hash": "^1.1.0",
+    "create-hmac": "^1.1.2",
     "elliptic": "^1.0.0",
     "inherits": "^2.0.1",
-    "parse-asn1": "^2.0.0"
+    "parse-asn1": "^3.0.0"
   },
   "devDependencies": {
     "tap-spec": "^1.0.1",

package.json

@@ -1,4 +1,4 @@
-browserify-sign [![Build Status](https://travis-ci.org/calvinmetcalf/browserify-sign.svg)](https://travis-ci.org/calvinmetcalf/browserify-sign)
+browserify-sign [![Build Status](https://travis-ci.org/crypto-browserify/browserify-sign.svg)](https://travis-ci.org/crypto-browserify/browserify-sign)
 ===
 
 a package to duplicate the functionality of node's crypto public key functions, much of this is based on [Fedor Indutny's](https://github.com/indutny) work on [tls.js](https://github.com/indutny/tls.js).