-- example for a buffer:
print(hwp.crc_buf(hwp.CRC.RKW, {0, 1, 2, 3})
-- example with a firmware
local fw = hwp.load_file("fw.bin")
local info = hwp.section(fw, "")
-- extract all bytes expect 44 byte header and 4 bytes at the end
local buf = hwp.read(fw, hwp.make_addr(info.addr + 44, ""), info.size - 48)
-- compute CRC
local crc = hwp.crc_buf(hwp.CRC.RKW, buf)
-- write CRC
hwp.write32(fw, hwp.make_addr(info.addr + info.size - 4, crc))
-- write firmware
hwp.save_file("fw-mod.bin")