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69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
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*
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* The information contained herein is property of Nordic Semiconductor ASA.
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* Terms and conditions of usage are described in detail in NORDIC
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* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
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*
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* Licensees are granted free, non-transferable use of the information. NO
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* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
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* the file.
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*
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*/
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#include "ble_gap_app.h"
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#include <string.h>
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#include "ble_serialization.h"
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#include "ble_gap.h"
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#include "app_util.h"
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uint32_t ble_gap_encrypt_req_enc( uint16_t conn_handle,
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ble_gap_master_id_t const * const p_master_id,
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ble_gap_enc_info_t const * const p_enc_info,
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uint8_t * const p_buf,
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uint32_t * const p_buf_len)
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{
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uint32_t index = 0;
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SER_ASSERT_NOT_NULL(p_buf);
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SER_ASSERT_NOT_NULL(p_buf_len);
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SER_ASSERT_LENGTH_LEQ(index + 1 + 2 + 1, *p_buf_len);
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p_buf[index++] = SD_BLE_GAP_ENCRYPT;
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index += uint16_encode(conn_handle, &p_buf[index]);
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SER_ASSERT_LENGTH_LEQ(index + 1, *p_buf_len);
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p_buf[index++] = (p_master_id != NULL) ? SER_FIELD_PRESENT : SER_FIELD_NOT_PRESENT;
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if (p_master_id != NULL)
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{
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SER_ASSERT_LENGTH_LEQ(index + BLE_GAP_SEC_RAND_LEN + 2, *p_buf_len);
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index += uint16_encode(p_master_id->ediv, &p_buf[index]);
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memcpy(&p_buf[index], p_master_id->rand, BLE_GAP_SEC_RAND_LEN);
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index += BLE_GAP_SEC_RAND_LEN;
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}
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p_buf[index++] = (p_enc_info != NULL) ? SER_FIELD_PRESENT : SER_FIELD_NOT_PRESENT;
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if (p_enc_info != NULL)
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{
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SER_ASSERT_LENGTH_LEQ(index + BLE_GAP_SEC_KEY_LEN + 1, *p_buf_len);
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memcpy(&p_buf[index], p_enc_info->ltk, BLE_GAP_SEC_KEY_LEN);
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index += BLE_GAP_SEC_KEY_LEN;
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p_buf[index++] = (p_enc_info->auth | (p_enc_info->ltk_len << 1));
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}
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*p_buf_len = index;
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return NRF_SUCCESS;
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}
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uint32_t ble_gap_encrypt_rsp_dec(uint8_t const * const p_buf,
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uint32_t packet_len,
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uint32_t * const p_result_code)
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{
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return ser_ble_cmd_rsp_dec(p_buf, packet_len, SD_BLE_GAP_ENCRYPT, p_result_code);
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}
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