port password utilities to api v3

website/src/libs/api-v3/password.js

@@ -0,0 +1,15 @@
+import crypto from 'crypto';
+
+export function encrypt (password, salt) {
+  return crypto
+          .createHmac('sha1', salt)
+          .update(password)
+          .digest('hex');
+}
+
+export function makeSalt (len = 10) {
+  return crypto
+          .randomBytes(Math.ceil(len / 2))
+          .toString('hex')
+          .substring(0, len);
+}