Method for preventing embedded software from being pirated

The invention discloses a method for preventing embedded software from being pirated, which comprises the following steps of: 1, designing an information table which comprises a chip, an encryption operator and an encryption string, setting and storing the information table at a specific position of a nonvolatile memory of the chip, and abbreviating the address of the information table as addrofuid, addrofectr and addrofesn; step 2, performing power-on reset on a chip, and after software is operated, reading the information table from the addrofuid, the addrofectr and the addrofesn to obtain the value 1, the ectr and the esn1; meanwhile, the chip uid is read from the chip id register and recorded as uid2; the method only depends on the chip and the software and is not affected by external factors, the embedded software is prevented from being used in a pirated mode or a pirate pays high cracking economic cost and time cost, and therefore the protection effect is achieved. 本发明公开了一种防止嵌入式软件被盗版的方法，包括以下步骤:步骤一、设计信息