The address of each model is different, but don't directly address it when encrypting software, otherwise it will be easily cracked.

# define SOC _ stm32f0 _ id _ addr0x1ffff7ac.

# define SOC _ STM 32 f 1 _ ID _ ADDR 0x 1 ffff 7 e 8

# Define SOC _ stm32f2 _ ID _ addr0x1fff7a10.

# define SOC _ STM 32 f 3 _ ID _ ADDR 0x 1 ffff 7 AC

# define SOC _ STM 32 f 4 _ ID _ ADDR 0x 1 fff 7a 10

# define SOC _ STM 32 f 7 _ ID _ ADDR 0x 1 ff 0 f 420

# define SOC _ stm32l0 _ id _ addr0x1ff80050.

# define SOC _ STM 32 l 1 _ ID _ ADDR 0x 1ff 80050

# define SOC _ stm32l4 _ id _ addrx 0x1fff7590.

# define SOC _ stm32h7 _ id _ addr0x1ff0f420.

1, do not directly appear the id address in the program, such as stm32:1fff7e81fff7e1fff0stm8: 0x4865 ~ 0x4870.

2. Check the program area with checksum or crc to prevent program modification.