---

2026-06-24 16:28:42 +02:00
commit 1922f2db62
19 changed files with 571 additions and 0 deletions
@@ -0,0 +1,16 @@
+export const addRoundKey = (state: number[][], roundKey: number[][]): number[][] => {
+  const result: number[][] = [
+    [0, 0, 0, 0],
+    [0, 0, 0, 0],
+    [0, 0, 0, 0],
+    [0, 0, 0, 0]
+  ]
+
+  for (let row = 0;row < 4;row++) {
+    for (let col = 0;col < 4;col++) {
+      result[row][col] = state[row][col] ^ roundKey[row][col]
+    }
+  }
+
+  return result
+}