Struct RegisterBlock 

pub struct RegisterBlock {
    pub secure_hash_word0: SECURE_HASH_WORD0,
    pub secure_hash_word1: SECURE_HASH_WORD1,
    pub secure_hash_word2: SECURE_HASH_WORD2,
    pub secure_hash_word3: SECURE_HASH_WORD3,
    pub secure_access_restrict: SECURE_ACCESS_RESTRICT,
    pub secure_dead_access_restrict_zeros: SECURE_DEAD_ACCESS_RESTRICT_ZEROS,
    pub customer_data: [CUSTOMER_DATA; 6],
    /* private fields */
}

Register block

Fields

secure_hash_word0: SECURE_HASH_WORD0

0x2c - Secure 128 bits HASH word 0 that is used for authentication in SECURE protection state.

secure_hash_word1: SECURE_HASH_WORD1

0x30 - Secure 128 bits HASH word 1 that is used for authentication in SECURE protection state.

secure_hash_word2: SECURE_HASH_WORD2

0x34 - Secure 128 bits HASH word 2 that is used for authentication in SECURE protection state.

secure_hash_word3: SECURE_HASH_WORD3

0x38 - Secure 128 bits HASH word 3 that is used for authentication in SECURE protection state.

secure_access_restrict: SECURE_ACCESS_RESTRICT

0x3c - Access restrictions for SECURE protection state in SECURE lifecycle stage

secure_dead_access_restrict_zeros: SECURE_DEAD_ACCESS_RESTRICT_ZEROS

0x40 - Access restrictions for DEAD protection state in SECURE lifecycle stage and number of zeros for Secure fuse group

customer_data: [CUSTOMER_DATA; 6]

0x68..0x80 - Available EFUSE bits for customer usage.They can be programmed in NORMAL protection state via CMx/DAP and in SECURE protection state via CMx.