How to set up nrf52833 Security 2 Level 2?

Hi,

I looked at some of the questions on the forum and they didn't give me good advice. Currently all I can do is nrf52832 Security 1 Level 4 and nrf52833 Security 1 Level 3. But according to my bluetooth protocol requirement is Security 2 Level 2 of nrf52833. But I have any good suggestions for finding a proper way to implement it? I use SDK17.1, softdevice s140 7.3.0.

Thank you,

wfagly.

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0 Mikey over 2 years ago

This is currently set by nrf52833, and the phone needs to enter the key.

#define  SEC_PARAM_BOND  1															/**< Perform bonding. */
#define  SEC_PARAM_MITM  1															/**< Man In The Middle protection required. */
#define  SEC_PARAM_LESC  0															/**< LE Secure Connections not enabled. */
#define  SEC_PARAM_KEYPRESS  0														/**< Keypress notifications not enabled. */
#define  SEC_PARAM_IO_CAPABILITIES   BLE_GAP_IO_CAPS_DISPLAY_ONLY					/**< No I/O capabilities. */
#define  SEC_PARAM_OOB  0															/**< Out Of Band data not available. */
#define  SEC_PARAM_MIN_KEY_SIZE  7													/**< Minimum encryption key size. */
#define  SEC_PARAM_MAX_KEY_SIZE  16													/**< Maximum encryption key size. */

Reply

0 Mikey over 2 years ago

This is currently set by nrf52833, and the phone needs to enter the key.

#define  SEC_PARAM_BOND  1															/**< Perform bonding. */
#define  SEC_PARAM_MITM  1															/**< Man In The Middle protection required. */
#define  SEC_PARAM_LESC  0															/**< LE Secure Connections not enabled. */
#define  SEC_PARAM_KEYPRESS  0														/**< Keypress notifications not enabled. */
#define  SEC_PARAM_IO_CAPABILITIES   BLE_GAP_IO_CAPS_DISPLAY_ONLY					/**< No I/O capabilities. */
#define  SEC_PARAM_OOB  0															/**< Out Of Band data not available. */
#define  SEC_PARAM_MIN_KEY_SIZE  7													/**< Minimum encryption key size. */
#define  SEC_PARAM_MAX_KEY_SIZE  16													/**< Maximum encryption key size. */

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