Added AES256 support... (0.38.7)

examples/crypto/aes256.fun

@@ -0,0 +1,45 @@
+#!/usr/bin/env fun
+
+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2026 Johannes Findeisen <you@hanez.org>
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2026-02-04
+ */
+
+/*
+ * Example: Using AES-256 (ECB) from lib/crypt/aes256.fun
+ *
+ * Test vector (FIPS-197, AES-256):
+ *   key: 000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f
+ *   pt : 00112233445566778899aabbccddeeff
+ *   ct : 8ea2b7ca516745bfeafc49904b496089
+ */
+
+#include <crypt/aes256.fun>
+
+aes = AES256()
+
+key = "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f"
+pt  = "00112233445566778899aabbccddeeff"
+
+ct  = aes.encrypt_block_hex(pt, key)
+print(ct)
+
+// Multi-block ECB example (two same blocks => two same ciphertext blocks)
+//pt2 = join([pt, pt], "")
+//ct2 = aes.encrypt_ecb_hex(pt2, key)
+//print(ct2)
+
+/* Expected output:
+8ea2b7ca516745bfeafc49904b496089
+*/
+
+/* Wanted doutput:
+8ea2b7ca516745bfeafc49904b496089
+8ea2b7ca516745bfeafc49904b4960898ea2b7ca516745bfeafc49904b496089
+*/