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The Chameleon dataset is designed for side‑channel analysis and contains real power‑trace recordings collected from a 32‑bit RISC‑V system‑on‑chip that implements four masking countermeasures (dynamic frequency scaling, random delay, morphing, and chaffing). The traces capture interleaved execution of AES encryption operations with general‑purpose applications. The dataset is divided into four sub‑datasets, each corresponding to one countermeasure, and each sub‑dataset is further split into 16 files based on the value of the first byte of the encryption key. It supports research on segmented methods and side‑channel analysis techniques, especially for devices employing masking countermeasures.
