Add initial KeyringController files

1 files changed, 42 insertions, 0 deletions

diff --git a/app/scripts/keyring-controller.js b/app/scripts/keyring-controller.js
new file mode 100644
index 000000000..b61242973
--- /dev/null
+++ b/app/scripts/keyring-controller.js
@@ -0,0 +1,42 @@
+const scrypt = require('scrypt-async')
+const bitcore = require('bitcore-lib')
+const configManager = require('./lib/config-manager')
+
+module.exports = class KeyringController {
+
+  constructor (opts) {
+    this.configManager = opts.configManager
+    this.keyChains = []
+  }
+
+  getKeyForPassword(password, callback) {
+    let salt = this.configManager.getSalt()
+
+    if (!salt) {
+      salt = generateSalt(32)
+      configManager.setSalt(salt)
+    }
+
+    var logN = 14
+    var r = 8
+    var dkLen = 32
+    var interruptStep = 200
+
+    var cb = function(derKey) {
+      try {
+        var ui8arr = (new Uint8Array(derKey))
+        this.pwDerivedKey = ui8arr
+        callback(null, ui8arr)
+      } catch (err) {
+        callback(err)
+      }
+    }
+
+    scrypt(password, salt, logN, r, dkLen, interruptStep, cb, null)
+  }
+
+}
+
+function generateSalt (byteCount) {
+  return bitcore.crypto.Random.getRandomBuffer(byteCount || 32).toString('base64')
+}