FLASH_Keys
[FLASH_Exported_Constants]

Defines
#define	RDP_KEY   ((uint16_t)0x00A5)
#define	FLASH_KEY1   ((uint32_t)0x45670123)
#define	FLASH_KEY2   ((uint32_t)0xCDEF89AB)
#define	FLASH_OPT_KEY1   ((uint32_t)0x08192A3B)
#define	FLASH_OPT_KEY2   ((uint32_t)0x4C5D6E7F)