fix login issue*

test/test_aes.exs

@@ -0,0 +1,48 @@
+# Test AES cipher with known values
+
+Code.require_file("lib/odinsea/util/bit_tools.ex", ".")
+Code.require_file("lib/odinsea/net/cipher/ig_cipher.ex", ".")
+Code.require_file("lib/odinsea/net/cipher/aes_cipher.ex", ".")
+
+alias Odinsea.Net.Cipher.AESCipher
+
+import Bitwise
+
+# Test: AES crypt should be self-inverse (since it's just XOR)
+iv = <<0x0F, 0x0C, 0x0C, 0xA8>>
+data = <<0xBF, 0x0A, 0xCD, 0xDE, 0xC7, 0x71, 0xAC>>
+
+IO.puts("Testing AES cipher:")
+IO.puts("IV: #{Base.encode16(iv)}")
+IO.puts("Data: #{Base.encode16(data)}")
+IO.puts("")
+
+# Expand IV to 16 bytes
+expanded_iv = :binary.copy(iv, 4)
+IO.puts("Expanded IV (16 bytes): #{Base.encode16(expanded_iv)}")
+
+# The AES key (16 bytes)
+aes_key = <<
+  0x13, 0x00, 0x00, 0x00,
+  0x08, 0x00, 0x00, 0x00,
+  0x06, 0x00, 0x00, 0x00,
+  0xB4, 0x00, 0x00, 0x00
+>>
+
+# Encrypt the expanded IV to get keystream
+keystream = :crypto.crypto_one_time(:aes_128_ecb, aes_key, expanded_iv, true)
+IO.puts("Keystream: #{Base.encode16(keystream)}")
+
+# XOR data with keystream (only use as many bytes as data)
+keystream_bytes = :binary.bin_to_list(keystream) |> Enum.take(byte_size(data))
+data_bytes = :binary.bin_to_list(data)
+result_bytes = Enum.zip_with(data_bytes, keystream_bytes, fn x, y -> bxor(x, y) end)
+result = :binary.list_to_bin(result_bytes)
+
+IO.puts("XOR result: #{Base.encode16(result)}")
+IO.puts("")
+
+# Compare with AESCipher.crypt
+aes_result = AESCipher.crypt(data, iv)
+IO.puts("AESCipher.crypt result: #{Base.encode16(aes_result)}")
+IO.puts("Match: #{result == aes_result}")