2.5. Data Types

The relevant data types and data structures are defined as follow:

• CVI_EFUSE_AREA_E：Define eFuse area.

• CVI_EFUSE_LOCK_E：Define the lock corresponding to eFuse area.

2.5.1. CVI_EFUSE_AREA_E

【Description】

Define eFuse area

【Definition】

typedef enum {
    CVI_EFUSE_AREA_USER,
    CVI_EFUSE_AREA_DEVICE_ID,
    CVI_EFUSE_AREA_HASH0_PUBLIC,
    CVI_EFUSE_AREA_LOADER_EK,
    CVI_EFUSE_AREA_DEVICE_EK,
    CVI_EFUSE_AREA_LAST
} CVI_EFUSE_AREA_E;

【Member】

Member	Description
CVI_EFUSE_AREA_USER	User defined area
CVI_EFUSE_AREA_DEVICE_ID	Device serial number area
CVI_EFUSE_AREA_HASH0_PUBLIC	Secureboot RSA public key hash value area
CVI_EFUSE_AREA_LOADER_EK	Secureboot AES encryption key area
CVI_EFUSE_AREA_DEVICE_EK	DEVICE_EK area
CVI_EFUSE_AREA_LAST	End identification

【Note】

None.

【Related Data Type and Interface】

CVI_EFUSE_GetSize，CVI_EFUSE_Read，CVI_EFUSE_Write

2.5.2. CVI_EFUSE_LOCK_E

【Description】

Define the lock corresponding to eFuse area.

【Definition】

typedef enum {
    CVI_EFUSE_LOCK_HASH0_PUBLIC,
    CVI_EFUSE_LOCK_LOADER_EK,
    CVI_EFUSE_LOCK_DEVICE_EK,
    CVI_EFUSE_LOCK_LAST
} CVI_EFUSE_LOCK_E;

【Member】

Member	Description
CVI_EFUSE_LOCK_HASH0_PUBLIC	Lock secureboot RSA public key hash value area
CVI_EFUSE_LOCK_LOADER_EK	Lock secureboot AES encryption key area
CVI_EFUSE_LOCK_DEVICE_EK	Lock DEVICE_EK area
CVI_EFUSE_LOCK_LAST	End identification

【Note】

None.

【Related Data Type and Interface】

CVI_EFUSE_Lock，CVI_EFUSE_IsLocked