Move inner files

2020-02-17 10:53:04 +01:00
parent 10f97354fe
commit ff895bbc82
3 changed files with 31 additions and 29 deletions
--- a/www/common/inner/invitation.js
+++ b/www/common/inner/invitation.js
@@ -0,0 +1,54 @@
+(function () {
+var factory = function (Util, Nacl, Scrypt) {
+    var Invite = {};
+
+    Invite.deriveSeeds = function (safeSeed) {
+        // take the hash of the provided seed
+        var seed = safeSeed.replace(/\-/g, '/');
+        var u8_seed = Nacl.hash(Nacl.util.decodeBase64(seed));
+
+        // hash the first half again for scrypt's input
+        var subseed1 = Nacl.hash(u8_seed.subarray(0, 32));
+        // hash the remainder for the invite content
+        var subseed2 = Nacl.hash(u8_seed.subarray(32));
+
+        return {
+            scrypt: Nacl.util.encodeBase64(subseed1),
+            preview: Nacl.util.encodeBase64(subseed2),
+        };
+    };
+
+    Invite.deriveSalt = function (password, instance_salt) {
+        return (password || '') + (instance_salt || '');
+    };
+
+    // seed => bytes64
+    Invite.deriveBytes = function (scrypt_seed, salt, cb) {
+        Scrypt(scrypt_seed,
+            salt,
+            8, // memoryCost (n)
+            1024, // block size parameter (r)
+            192, // dkLen
+            200, // interruptStep
+            cb,
+            'base64'); // format, could be 'base64'
+    };
+
+    return Invite;
+};
+    if (typeof(module) !== 'undefined' && module.exports) {
+        module.exports = factory(
+            require("../common-util"),
+            require("tweetnacl/nacl-fast"),
+            require("scrypt-async")
+        );
+    } else if ((typeof(define) !== 'undefined' && define !== null) && (define.amd !== null)) {
+        define([
+            '/common/common-util.js',
+            '/bower_components/tweetnacl/nacl-fast.min.js',
+            '/bower_components/scrypt-async/scrypt-async.min.js',
+        ], function (Util) {
+            return factory(Util, window.nacl, window.scrypt);
+        });
+    }
+}());