IDEA Cipher Visualizer

Subkey schedule

Manual testing checklist

1. 1Open the IDEA Cipher Visualizer page.
2. 2Confirm the default plaintext and key generate 52 subkeys.
3. 3Confirm eight rounds and the final output transform are displayed.
4. 4Click different rounds and confirm round details update.
5. 5Change plaintext and confirm ciphertext changes.
6. 6Change key and confirm subkeys and ciphertext change.
7. 7Enter invalid hex and confirm friendly validation appears.
8. 8Resize to mobile width and confirm cards and tables remain usable.