Link: Secure32

// Verify a firmware update image before committing bool secure32_validate_update(const uint8_t *image, uint32_t len) return (secure32_sha256_verify(image, len, &stored_hash) == SECURE32_OK);

While (note the common spelling without the 'e' in secur32.dll ) is often associated with technical Windows security functions, it also appears in cybersecurity challenges and CTF (Capture The Flag) writeups. secure32