28 lines
746 B
C
28 lines
746 B
C
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/*******************************************************************************
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*
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* ttn-esp32 - The Things Network device library for ESP-IDF / SX127x
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*
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* Copyright (c) 2018 Manuel Bleichenbacher
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*
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* Licensed under MIT License
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* https://opensource.org/licenses/MIT
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*
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* AES encryption using ESP32's hardware AES unit.
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*******************************************************************************/
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#include "mbedtls/aes.h"
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#include "lmic/oslmic.h"
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#if defined(USE_MBEDTLS_AES)
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void lmic_aes_encrypt(u1_t *data, u1_t *key)
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{
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mbedtls_aes_context ctx;
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mbedtls_aes_init(&ctx);
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mbedtls_aes_setkey_enc(&ctx, key, 128);
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mbedtls_aes_crypt_ecb(&ctx, MBEDTLS_AES_ENCRYPT, data, data);
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mbedtls_aes_free(&ctx);
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}
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#endif
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