Program burning protection method and device, burner and board card

The invention relates to a program burning protection method and device and a burner, and the method comprises the steps: obtaining the number of burnt times of the burner in response to a program burning request, reading a chip ID of a board card when the number of burnt times is smaller than or equal to a preset threshold value, taking the chip ID as a secret key, encrypting a to-be-burnt first program, and storing the to-be-burnt first program. An encrypted file with smaller code space occupation amount is generated, so that the method is more suitable for a low-capacity chip, and the production cost can be effectively reduced; the encrypted file is burnt to the board card, and the burnt frequency of the burner is updated in time, so that leakage of a burning program is avoided, and the safety of the burning program is improved. 本发明涉及一种程序烧录保护方法、装置和烧录器，通过响应于程序烧录请求，获取烧录器的已烧录次数，在已烧录次数小于或等于预设阈值，读取板卡的芯片ID并以该芯片ID作为密钥，对待烧录的第一程序进行加密，生成代码空间占用量更小的加密文件，更加适用于低容量的芯片，可以有效降低生产成本；通过将加密文件烧录至板卡，并及时更新所述烧录器的已烧录次数，从而避免烧录程序泄露，提