Added hash function to string prototype

1 files changed, 9 insertions, 0 deletions

diff --git a/WebInterface/NodeJSServer/src/modules/hash.js b/WebInterface/NodeJSServer/src/modules/hash.js
new file mode 100644
index 0000000..29be0af
--- /dev/null
+++ b/WebInterface/NodeJSServer/src/modules/hash.js
@@ -0,0 +1,9 @@
+String.prototype.getHash = async function() {
+  let data = new ArrayBuffer(this.length * 2);
+  let bufferView = new Uint16Array(data);
+  for (let i = 0; i < this.length; i++) {
+    bufferView[i] = this.charCodeAt(i);
+  }
+
+  return await crypto.subtle.digest('SHA-256', bufferView);
+}