Published onSeptember 16, 2026Side Channel Attacks x Sword of Secrets - Extracting AES KeyshardwareHardwarehardwarectfsword-of-secretsaesside-channelNameBarryPLUsing a side-channel attack to recover the full AES key from the Sword of Secrets CTF board.
Published onAugust 27, 2025Brød & Co. — Mobile (Hard) WriteupmobileMobilemobilecryptoCryptocryptoandroidflutterreverseaesBrunnerCTF-2025BrunnerCTFNameBarryPLReverse a Flutter Android app, derive a valid coupon via AES-128-ECB and XOR, and extract the flag.
