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+    <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><div class="ui vertical accordion"><div class="title"><div class="ui list"><div class="item"><i class="dropdown icon"></i><a href="ComposableObservableStore.html">ComposableObservableStore</a></div></div></div><div class="content"><ul class='methods'><li data-type='method'><a href="ComposableObservableStore.html#getFlatState">getFlatState</a></li><li data-type='method'><a href="ComposableObservableStore.html#updateStructure">updateStructure</a></li></ul></div></li></div><div class="ui vertical accordion"><div class="title"><div class="ui list"><div class="item"><i class="dropdown icon"></i><a href="EdgeEncryptor.html">EdgeEncryptor</a></div></div></div><div class="content"><ul class='methods'><li data-type='method'><a href="EdgeEncryptor.html#decrypt">decrypt</a></li><li data-type='method'><a href="EdgeEncryptor.html#encrypt">encrypt</a></li></ul></div></li></div><div class="ui vertical accordion"><div class="title"><div class="ui list"><div class="item"><i class="dropdown icon"></i><a href="TokenRatesController.html">TokenRatesController</a></div></div></div><div class="content"><ul class='methods'><li data-type='method'><a href="TokenRatesController.html#fetchExchangeRate">fetchExchangeRate</a></li><li data-type='method'><a href="TokenRatesController.html#updateExchangeRates">updateExchangeRates</a></li></ul></div></li></div><div class="ui vertical accordion"><div class="title"><div class="ui list"><div class="item"><i class="inverted dropdown icon"></i><a href="module.exports_module.exports.html">exports</a></div></div></div></li></div></ul><h3>Global</h3><ul><li><a href="global.html#blacklistedDomainCheck">blacklistedDomainCheck</a></li><li><a href="global.html#cleanContextForImports">cleanContextForImports</a></li><li><a href="global.html#config">config</a></li><li><a href="global.html#connectToAccountManager">connectToAccountManager</a></li><li><a href="global.html#doctypeCheck">doctypeCheck</a></li><li><a href="global.html#documentElementCheck">documentElementCheck</a></li><li><a href="global.html#initializePopup">initializePopup</a></li><li><a href="global.html#initialState">initialState</a></li><li><a href="global.html#logStreamDisconnectWarning">logStreamDisconnectWarning</a></li><li><a href="global.html#redirectToPhishingWarning">redirectToPhishingWarning</a></li><li><a href="global.html#restoreContextAfterImports">restoreContextAfterImports</a></li><li><a href="global.html#setupControllerConnection">setupControllerConnection</a></li><li><a href="global.html#setupInjection">setupInjection</a></li><li><a href="global.html#setupStreams">setupStreams</a></li><li><a href="global.html#setupWeb3Connection">setupWeb3Connection</a></li><li><a href="global.html#shouldInjectWeb3">shouldInjectWeb3</a></li><li><a href="global.html#suffixCheck">suffixCheck</a></li></ul>
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+    <h1 class="page-title">edge-encryptor.js</h1>
+    
+
+    
+
+
+
+    
+    <section>
+        <article>
+            <pre class="prettyprint source linenums"><code>const asmcrypto = require('asmcrypto.js')
+const Unibabel = require('browserify-unibabel')
+
+/**
+ * A Microsoft Edge-specific encryption class that exposes
+ * the interface expected by eth-keykeyring-controller
+ */
+class EdgeEncryptor {
+  /**
+   * Encrypts an arbitrary JavaScript object to cypher text
+   *
+   * @param {string} password Password used to unlock a cryptographic key
+   * @param {Object} dataObject Data to encrypt
+   * @returns {Object} Object containing cypher text, generation vectors, and salt
+   */
+  encrypt (password, dataObject) {
+      var salt = this._generateSalt()
+      return this._keyFromPassword(password, salt)
+          .then(function (key) {
+              var data = JSON.stringify(dataObject)
+              var dataBuffer = Unibabel.utf8ToBuffer(data)
+              var vector = global.crypto.getRandomValues(new Uint8Array(16))
+              var resultbuffer = asmcrypto.AES_GCM.encrypt(dataBuffer, key, vector)
+
+              var buffer = new Uint8Array(resultbuffer)
+              var vectorStr = Unibabel.bufferToBase64(vector)
+              var vaultStr = Unibabel.bufferToBase64(buffer)
+              return JSON.stringify({
+                  data: vaultStr,
+                  iv: vectorStr,
+                  salt: salt,
+              })
+          })
+  }
+
+  /**
+   * Decrypts an arbitrary JavaScript object from cypher text
+   *
+   * @param {string} password Password used to unlock a cryptographic key
+   * @param {string} text Cypher text of an encrypted JavaScript object
+   * @returns {Promise&lt;Object>} Promise resolving to copy of decrypted JavaScript object
+   */
+  decrypt (password, text) {
+      const payload = JSON.parse(text)
+      const salt = payload.salt
+      return this._keyFromPassword(password, salt)
+          .then(function (key) {
+              const encryptedData = Unibabel.base64ToBuffer(payload.data)
+              const vector = Unibabel.base64ToBuffer(payload.iv)
+              return new Promise((resolve, reject) => {
+                  var result
+                  try {
+                      result = asmcrypto.AES_GCM.decrypt(encryptedData, key, vector)
+                  } catch (err) {
+                      return reject(new Error('Incorrect password'))
+                  }
+                  const decryptedData = new Uint8Array(result)
+                  const decryptedStr = Unibabel.bufferToUtf8(decryptedData)
+                  const decryptedObj = JSON.parse(decryptedStr)
+                  resolve(decryptedObj)
+              })
+          })
+  }
+
+  /**
+   * Retrieves a cryptographic key using a password
+   *
+   * @private
+   * @param {string} password Password used to unlock a cryptographic key
+   * @param {string} salt Random base-64 data
+   * @returns {Promise&lt;Object>} Promise resolving to a derived key
+   */
+  _keyFromPassword (password, salt) {
+
+      var passBuffer = Unibabel.utf8ToBuffer(password)
+      var saltBuffer = Unibabel.base64ToBuffer(salt)
+      return new Promise((resolve) => {
+          var key = asmcrypto.PBKDF2_HMAC_SHA256.bytes(passBuffer, saltBuffer, 10000)
+          resolve(key)
+      })
+  }
+
+  /**
+   * Generates random base-64 encoded data
+   *
+   * @private
+   * @returns {string} Randomized base-64 encoded data
+   */
+  _generateSalt (byteCount = 32) {
+      var view = new Uint8Array(byteCount)
+      global.crypto.getRandomValues(view)
+      var b64encoded = btoa(String.fromCharCode.apply(null, view))
+      return b64encoded
+  }
+}
+
+module.exports = EdgeEncryptor
+</code></pre>
+        </article>
+    </section>
+
+
+
+
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