1 files changed, 62 insertions, 0 deletions
diff --git a/includes/external/matrix/node_modules/matrix-js-sdk/lib/crypto/recoverykey.js b/includes/external/matrix/node_modules/matrix-js-sdk/lib/crypto/recoverykey.js
new file mode 100644
index 0000000..fb12171
--- /dev/null
+++ b/includes/external/matrix/node_modules/matrix-js-sdk/lib/crypto/recoverykey.js
@@ -0,0 +1,62 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.decodeRecoveryKey = decodeRecoveryKey;
+exports.encodeRecoveryKey = encodeRecoveryKey;
+var bs58 = _interopRequireWildcard(require("bs58"));
+function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
+function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
+/*
+Copyright 2018 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// picked arbitrarily but to try & avoid clashing with any bitcoin ones
+// (which are also base58 encoded, but bitcoin's involve a lot more hashing)
+const OLM_RECOVERY_KEY_PREFIX = [0x8b, 0x01];
+function encodeRecoveryKey(key) {
+  var _base58key$match;
+  const buf = Buffer.alloc(OLM_RECOVERY_KEY_PREFIX.length + key.length + 1);
+  buf.set(OLM_RECOVERY_KEY_PREFIX, 0);
+  buf.set(key, OLM_RECOVERY_KEY_PREFIX.length);
+  let parity = 0;
+  for (let i = 0; i < buf.length - 1; ++i) {
+    parity ^= buf[i];
+  }
+  buf[buf.length - 1] = parity;
+  const base58key = bs58.encode(buf);
+  return (_base58key$match = base58key.match(/.{1,4}/g)) === null || _base58key$match === void 0 ? void 0 : _base58key$match.join(" ");
+}
+function decodeRecoveryKey(recoveryKey) {
+  const result = bs58.decode(recoveryKey.replace(/ /g, ""));
+  let parity = 0;
+  for (const b of result) {
+    parity ^= b;
+  }
+  if (parity !== 0) {
+    throw new Error("Incorrect parity");
+  }
+  for (let i = 0; i < OLM_RECOVERY_KEY_PREFIX.length; ++i) {
+    if (result[i] !== OLM_RECOVERY_KEY_PREFIX[i]) {
+      throw new Error("Incorrect prefix");
+    }
+  }
+  if (result.length !== OLM_RECOVERY_KEY_PREFIX.length + global.Olm.PRIVATE_KEY_LENGTH + 1) {
+    throw new Error("Incorrect length");
+  }
+  return Uint8Array.from(result.slice(OLM_RECOVERY_KEY_PREFIX.length, OLM_RECOVERY_KEY_PREFIX.length + global.Olm.PRIVATE_KEY_LENGTH));
+}
+//# sourceMappingURL=recoverykey.js.map
+\ No newline at end of file