9032f8d791
This commit adds CONFIG_BT_USE_PSA_API to allow the end user to prefer PSA APIs over TinyCrypt for crypto operations in bluetooth. Of course, this is possible only if a PSA provider is available on the system, i.e. CONFIG_PSA_CRYPTO_CLIENT is set. This commit also extends tests/bluetooth/bt_crypto adding a test case for PSA. Signed-off-by: Valerio Setti <vsetti@baylibre.com>
35 lines
686 B
C
35 lines
686 B
C
/* Copyright (c) 2022 Nordic Semiconductor ASA
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <errno.h>
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#include <string.h>
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#include <zephyr/sys/byteorder.h>
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#include <tinycrypt/cmac_mode.h>
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#include <tinycrypt/constants.h>
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#include "common/bt_str.h"
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#include "bt_crypto.h"
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int bt_crypto_aes_cmac(const uint8_t *key, const uint8_t *in, size_t len, uint8_t *out)
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{
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struct tc_aes_key_sched_struct sched;
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struct tc_cmac_struct state;
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if (tc_cmac_setup(&state, key, &sched) == TC_CRYPTO_FAIL) {
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return -EIO;
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}
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if (tc_cmac_update(&state, in, len) == TC_CRYPTO_FAIL) {
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return -EIO;
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}
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if (tc_cmac_final(out, &state) == TC_CRYPTO_FAIL) {
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return -EIO;
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}
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return 0;
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}
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