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SHA-3 Hash & HMAC

SHA-3 (Secure Hash Algorithm 3) is the latest hash function based on the Keccak algorithm. It supports multiple output sizes: SHA3-224 (224-bit), SHA3-256 (256-bit), SHA3-384 (384-bit), and SHA3-512 (512-bit). Optionally, enable HMAC mode to use a secret key.