Macros | |
| #define | AES_BASE_ADDR (0x80) |
| Base address for Transceiver AES address space. More... | |
| #define | AES_DIR_DECRYPT (1) |
| AES core operation direction: Decryption (ECB) More... | |
| #define | AES_DIR_ENCRYPT (0) |
| AES core operation direction: Encryption (ECB, CBC) More... | |
| #define | AES_DONE (1) |
| AES core operation status: AES module finished. More... | |
| #define | AES_MODE_CBC (2) |
| Set CBC mode. More... | |
| #define | AES_MODE_ECB (0) |
| Set ECB mode. More... | |
| #define | AES_MODE_KEY (1) |
| Set key mode. More... | |
| #define | AES_NOT_DONE (0) |
| AES core operation status: AES module did not finish. More... | |
| #define | AES_REQUEST (1) |
| Initiate an AES operation. More... | |
| #define | RG_AES_CTRL (0x03) |
| Offset for register AES_CTRL. More... | |
| #define | RG_AES_STATE_KEY_0 (0x04) |
| Offset for register AES_STATE_KEY_0. More... | |
| #define | RG_AES_STATUS (0x02) |
| Offset for register AES_STATUS. More... | |
| #define | sal_aes_clean_up() _sal_aes_clean_up() |
| Route function macro to the corresponding function. More... | |
| #define | SR_AES_DIR 0x03, 0x08, 3 |
| Access parameters for sub-register AES_DIR in register RG_AES_CTRL. More... | |
| #define | SR_AES_MODE 0x03, 0x70, 4 |
| Access parameters for sub-register AES_MODE in register RG_AES_CTRL. More... | |
| #define | SR_AES_REQUEST 0x03, 0x80, 7 |
| Access parameters for sub-register AES_REQUEST in register RG_AES_CTRL. More... | |
Functions | |
| void | _sal_aes_clean_up (void) |
| Cleans up the SAL/AES after STB has been completed. More... | |
| void | sal_aes_exec (uint8_t *data) |
| En/decrypt one AES block. More... | |
| void | sal_aes_read (uint8_t *data) |
| Reads the result of previous AES en/decryption. More... | |
| void | sal_aes_restart (void) |
| Re-inits key and state after a sleep or TRX reset. More... | |
| bool | sal_aes_setup (uint8_t *key, uint8_t enc_mode, uint8_t dir) |
| Setup AES unit. More... | |
| void | sal_aes_wrrd (uint8_t *idata, uint8_t *odata) |
| Writes data, reads previous result and does the AES en/decryption. More... | |
| void | sal_init (void) |
| Initialization of SAL. More... | |
| #define AES_BASE_ADDR (0x80) |
Base address for Transceiver AES address space.
| #define AES_DIR_DECRYPT (1) |
AES core operation direction: Decryption (ECB)
| #define AES_DIR_ENCRYPT (0) |
AES core operation direction: Encryption (ECB, CBC)
| #define AES_DONE (1) |
AES core operation status: AES module finished.
| #define AES_MODE_CBC (2) |
Set CBC mode.
| #define AES_MODE_ECB (0) |
Set ECB mode.
| #define AES_MODE_KEY (1) |
Set key mode.
| #define AES_NOT_DONE (0) |
AES core operation status: AES module did not finish.
| #define AES_REQUEST (1) |
Initiate an AES operation.
| #define RG_AES_CTRL (0x03) |
Offset for register AES_CTRL.
| #define RG_AES_STATE_KEY_0 (0x04) |
Offset for register AES_STATE_KEY_0.
| #define RG_AES_STATUS (0x02) |
Offset for register AES_STATUS.
| #define sal_aes_clean_up | ( | ) | _sal_aes_clean_up() |
Route function macro to the corresponding function.
Referenced by stb_ccm_secure().
| #define SR_AES_DIR 0x03, 0x08, 3 |
Access parameters for sub-register AES_DIR in register RG_AES_CTRL.
| #define SR_AES_MODE 0x03, 0x70, 4 |
Access parameters for sub-register AES_MODE in register RG_AES_CTRL.
| #define SR_AES_REQUEST 0x03, 0x80, 7 |
Access parameters for sub-register AES_REQUEST in register RG_AES_CTRL.
| void _sal_aes_clean_up | ( | void | ) |
Cleans up the SAL/AES after STB has been completed.
This function puts the radio to SLEEP if it has been in SLEEP before sal_aes_restart().
Cleans up the SAL/AES after STB has been completed.
| void sal_aes_exec | ( | uint8_t * | data | ) |
En/decrypt one AES block.
The function returns after the AES operation is finished.
| [in] | data | AES block to be en/decrypted |
Referenced by compute_mic(), encrypt_with_padding(), and PHY_EncryptReq().
| void sal_aes_read | ( | uint8_t * | data | ) |
Reads the result of previous AES en/decryption.
This function returns the result of the previous AES operation, so this function is needed in order to get the last result of a series of sal_aes_wrrd() calls.
| [out] | data | - result of previous operation |
References AES_BASE_ADDR, AES_BLOCKSIZE, and RG_AES_STATE_KEY_0.
Referenced by compute_mic(), encrypt_pldmic(), and PHY_EncryptReq().
| void sal_aes_restart | ( | void | ) |
Re-inits key and state after a sleep or TRX reset.
This function re-initializes the AES key and the state of the AES engine after TRX sleep or reset. The contents of AES register AES_CON is restored, the next AES operation started with sal_aes_exec() will be executed correctly.
This function re-initializes the AES key and the state of the AES engine after TRX sleep or reset. The contents of AES registers AES_CON and AES_CON_MIRROR are restored, the next AES operation started with sal_aes_wrrd() will be executed correctly. However, the contents of SRAM buffers is destroyed, in general. When using sal_aes_wrrd(), call sal_aes_read() to get the result of the last AES operation BEFORE you put the transceiver unit to sleep state!
Referenced by stb_ccm_secure().
| bool sal_aes_setup | ( | uint8_t * | key, |
| uint8_t | enc_mode, | ||
| uint8_t | dir | ||
| ) |
Setup AES unit.
This function perform the following tasks as part of the setup of the AES unit: key initialization, set encryption mode.
| [in] | key | AES key or NULL (NULL: use last key) |
| [in] | enc_mode | AES_MODE_ECB or AES_MODE_CBC |
| [in] | dir | must be AES_DIR_ENCRYPT |
This function perform the following tasks as part of the setup of the AES unit: key initialization, set encryption direction and encryption mode.
In general, the contents of SRAM buffer is destroyed. When using sal_aes_wrrd(), sal_aes_read() needs to be called in order to get the result of the last AES operation before you may call sal_aes_setup() again.
| [in] | key | AES key or NULL (NULL: use last key) |
| [in] | enc_mode | AES_MODE_ECB or AES_MODE_CBC |
| [in] | dir | AES_DIR_ENCRYPT or AES_DIR_DECRYPT |
References AES_BASE_ADDR, AES_BLOCKSIZE, aes_buf, AES_DIR_DECRYPT, AES_DIR_ENCRYPT, AES_DIR_VOID, AES_KEYSIZE, AES_MODE_CBC, AES_MODE_ECB, AES_MODE_KEY, AES_REQUEST, dec_initialized, dec_key, enc_key, last_dir, NULL, RG_AES_CTRL, RG_AES_STATE_KEY_0, sal_aes_wrrd(), setup_flag, SR_AES_DIR, SR_AES_MODE, SR_AES_REQUEST, and SR_MASK.
Referenced by compute_mic(), encrypt_pldmic(), PHY_EncryptReq(), and stb_ccm_secure().
| void sal_aes_wrrd | ( | uint8_t * | idata, |
| uint8_t * | odata | ||
| ) |
Writes data, reads previous result and does the AES en/decryption.
The function returns after the AES operation is finished.
When sal_aes_wrrd() is called several times in sequence, from the second call onwards, odata contains the result of the previous operation. To obtain the last result, you must call sal_aes_read() at the end. Please note that any call of sal_aes_setup() as well as putting the transceiver to sleep state destroys the SRAM contents, i.e. the next call of sal_aes_wrrd() yields no meaningful result.
| [in] | idata | AES block to be en/decrypted |
| [out] | odata | Result of previous operation (odata may be NULL or equal to idata) |
References AES_BASE_ADDR, AES_BLOCKSIZE, aes_buf, delay_us, NULL, RG_AES_CTRL, RG_AES_STATE_KEY_0, and setup_flag.
Referenced by compute_mic(), encrypt_pldmic(), encrypt_with_padding(), PHY_EncryptReq(), and sal_aes_setup().
| void sal_init | ( | void | ) |
Initialization of SAL.
This functions initializes the SAL.
Referenced by stb_init(), and SYS_Init().
1.8.5