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https://github.com/jam422470459/EPD-nRF52-hema213.git
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move components to SDK dir
This commit is contained in:
Shuanglei Tao
207
SDK/12.3.0_d7731ad/components/libraries/ecc/ecc.c
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207
SDK/12.3.0_d7731ad/components/libraries/ecc/ecc.c
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/**
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* Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/**
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* @brief Elliptic Curve Cryptography Interface
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*
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include "nordic_common.h"
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#include "app_timer.h"
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#include "app_util.h"
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#include "nrf_log.h"
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#include "nrf_drv_rng.h"
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#include "ecc.h"
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#include "uECC.h"
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static int ecc_rng(uint8_t *dest, unsigned size)
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{
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nrf_drv_rng_block_rand(dest, (uint32_t) size);
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return 1;
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}
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void ecc_init(bool rng)
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{
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if(rng)
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{
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uECC_set_rng(ecc_rng);
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}
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}
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ret_code_t ecc_p256_keypair_gen(uint8_t *p_le_sk, uint8_t *p_le_pk)
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{
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const struct uECC_Curve_t * p_curve;
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if (!p_le_sk || !p_le_pk)
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{
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return NRF_ERROR_NULL;
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}
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if (!is_word_aligned(p_le_sk) || !is_word_aligned(p_le_pk))
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{
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return NRF_ERROR_INVALID_ADDR;
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}
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p_curve = uECC_secp256r1();
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int ret = uECC_make_key((uint8_t *) p_le_pk, (uint8_t *) p_le_sk, p_curve);
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if (!ret)
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{
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return NRF_ERROR_INTERNAL;
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}
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return NRF_SUCCESS;
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}
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ret_code_t ecc_p256_public_key_compute(uint8_t const *p_le_sk, uint8_t *p_le_pk)
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{
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const struct uECC_Curve_t * p_curve;
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if (!p_le_sk || !p_le_pk)
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{
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return NRF_ERROR_NULL;
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}
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if (!is_word_aligned(p_le_sk) || !is_word_aligned(p_le_pk))
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{
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return NRF_ERROR_INVALID_ADDR;
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}
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p_curve = uECC_secp256r1();
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//NRF_LOG_INFO("uECC_compute_public_key\r\n");
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int ret = uECC_compute_public_key((uint8_t *) p_le_sk, (uint8_t *) p_le_pk, p_curve);
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if (!ret)
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{
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return NRF_ERROR_INTERNAL;
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}
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//NRF_LOG_INFO("uECC_compute_public_key complete: %d\r\n", ret);
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return NRF_SUCCESS;
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}
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ret_code_t ecc_p256_shared_secret_compute(uint8_t const *p_le_sk, uint8_t const *p_le_pk, uint8_t *p_le_ss)
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{
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const struct uECC_Curve_t * p_curve;
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if (!p_le_sk || !p_le_pk || !p_le_ss)
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{
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return NRF_ERROR_NULL;
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}
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if (!is_word_aligned(p_le_sk) || !is_word_aligned(p_le_pk) || !is_word_aligned(p_le_ss))
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{
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return NRF_ERROR_INVALID_ADDR;
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}
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p_curve = uECC_secp256r1();
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//NRF_LOG_INFO("uECC_shared_secret\r\n");
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int ret = uECC_shared_secret((uint8_t *) p_le_pk, (uint8_t *) p_le_sk, p_le_ss, p_curve);
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if (!ret)
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{
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return NRF_ERROR_INTERNAL;
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}
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//NRF_LOG_INFO("uECC_shared_secret complete: %d\r\n", ret);
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return NRF_SUCCESS;
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}
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ret_code_t ecc_p256_sign(uint8_t const *p_le_sk, uint8_t const * p_le_hash, uint32_t hlen, uint8_t *p_le_sig)
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{
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const struct uECC_Curve_t * p_curve;
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if (!p_le_sk || !p_le_hash || !p_le_sig)
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{
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return NRF_ERROR_NULL;
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}
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if (!is_word_aligned(p_le_sk) || !is_word_aligned(p_le_hash) || !is_word_aligned(p_le_sig))
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{
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return NRF_ERROR_INVALID_ADDR;
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}
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p_curve = uECC_secp256r1();
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//NRF_LOG_INFO("uECC_sign\r\n");
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int ret = uECC_sign((const uint8_t *) p_le_sk, (const uint8_t *) p_le_hash, (unsigned) hlen, (uint8_t *) p_le_sig, p_curve);
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if (!ret)
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{
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return NRF_ERROR_INTERNAL;
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}
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//NRF_LOG_INFO("uECC_sign complete: %d\r\n", ret);
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return NRF_SUCCESS;
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}
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ret_code_t ecc_p256_verify(uint8_t const *p_le_pk, uint8_t const * p_le_hash, uint32_t hlen, uint8_t const *p_le_sig)
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{
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const struct uECC_Curve_t * p_curve;
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if (!p_le_pk || !p_le_hash || !p_le_sig)
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{
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return NRF_ERROR_NULL;
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}
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if (!is_word_aligned(p_le_pk) || !is_word_aligned(p_le_hash) || !is_word_aligned(p_le_sig))
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{
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return NRF_ERROR_INVALID_ADDR;
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}
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p_curve = uECC_secp256r1();
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//NRF_LOG_INFO("uECC_verify\r\n");
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int ret = uECC_verify((const uint8_t *) p_le_pk, (const uint8_t *) p_le_hash, (unsigned) hlen, (uint8_t *) p_le_sig, p_curve);
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if (!ret)
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{
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return NRF_ERROR_INVALID_DATA;
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}
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//NRF_LOG_INFO("uECC_verify complete: %d\r\n", ret);
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return NRF_SUCCESS;
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}
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142
SDK/12.3.0_d7731ad/components/libraries/ecc/ecc.h
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142
SDK/12.3.0_d7731ad/components/libraries/ecc/ecc.h
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@@ -0,0 +1,142 @@
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/**
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* Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/**
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* @defgroup ecc Elliptic Curve Cryptography interface
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* @{
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* @ingroup app_common
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* @brief Elliptic Curve Cryptography interface
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*/
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#ifndef ECC_H__
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#define ECC_H__
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#include <stdint.h>
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#include "nordic_common.h"
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#include "nrf_error.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ECC_P256_SK_LEN 32
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#define ECC_P256_PK_LEN 64
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/**@brief Initialize the ECC module.
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*
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* @param[in] rng Use a random number generator.
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*
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* */
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void ecc_init(bool rng);
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/**@brief Create a public/private key pair.
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*
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* @param[out] p_le_sk Private key. Pointer must be aligned to a 4-byte boundary.
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* @param[out] p_le_pk Public key. Pointer must be aligned to a 4-byte boundary.
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*
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* @retval NRF_SUCCESS Key pair successfuly created.
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* @retval NRF_ERROR_NULL NULL pointer provided.
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* @retval NRF_ERROR_INVALID_ADDR Unaligned pointer provided.
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* @retval NRF_ERROR_INTERNAL Internal error during key generation.
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*/
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ret_code_t ecc_p256_keypair_gen(uint8_t *p_le_sk, uint8_t* p_le_pk);
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/**@brief Create a public key from a provided private key.
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*
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* @param[in] p_le_sk Private key. Pointer must be aligned to a 4-byte boundary.
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* @param[out] p_le_pk Public key. Pointer must be aligned to a 4-byte boundary.
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*
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* @retval NRF_SUCCESS Public key successfuly created.
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* @retval NRF_ERROR_NULL NULL pointer provided.
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* @retval NRF_ERROR_INVALID_ADDR Unaligned pointer provided.
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* @retval NRF_ERROR_INTERNAL Internal error during key generation.
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*/
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ret_code_t ecc_p256_public_key_compute(uint8_t const *p_le_sk, uint8_t* p_le_pk);
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/**@brief Create a shared secret from a provided public/private key pair.
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*
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* @param[in] p_le_sk Private key. Pointer must be aligned to a 4-byte boundary.
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* @param[in] p_le_pk Public key. Pointer must be aligned to a 4-byte boundary.
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* @param[out] p_le_ss Shared secret. Pointer must be aligned to a 4-byte boundary.
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*
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* @retval NRF_SUCCESS Shared secret successfuly created.
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* @retval NRF_ERROR_NULL NULL pointer provided.
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* @retval NRF_ERROR_INVALID_ADDR Unaligned pointer provided.
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* @retval NRF_ERROR_INTERNAL Internal error during key generation.
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*/
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ret_code_t ecc_p256_shared_secret_compute(uint8_t const *p_le_sk, uint8_t const * p_le_pk, uint8_t *p_le_ss);
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/**@brief Sign a hash or digest using a private key.
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*
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* @param[in] p_le_sk Private key. Pointer must be aligned to a 4-byte boundary.
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* @param[in] p_le_hash Hash. Pointer must be aligned to a 4-byte boundary.
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* @param[in] hlen Hash length in bytes.
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* @param[out] p_le_sig Signature. Pointer must be aligned to a 4-byte boundary.
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*
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* @retval NRF_SUCCESS Signature successfuly created.
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* @retval NRF_ERROR_NULL NULL pointer provided.
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* @retval NRF_ERROR_INVALID_ADDR Unaligned pointer provided.
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* @retval NRF_ERROR_INTERNAL Internal error during signature generation.
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*/
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ret_code_t ecc_p256_sign(uint8_t const *p_le_sk, uint8_t const * p_le_hash, uint32_t hlen, uint8_t *p_le_sig);
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/**@brief Verify a signature using a public key.
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*
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* @param[in] p_le_pk Public key. Pointer must be aligned to a 4-byte boundary.
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* @param[in] p_le_hash Hash. Pointer must be aligned to a 4-byte boundary.
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* @param[in] hlen Hash length in bytes.
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* @param[in] p_le_sig Signature. Pointer must be aligned to a 4-byte boundary.
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*
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* @retval NRF_SUCCESS Signature verified.
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* @retval NRF_ERROR_INVALID_DATA Signature failed verification.
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* @retval NRF_ERROR_NULL NULL pointer provided.
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* @retval NRF_ERROR_INVALID_ADDR Unaligned pointer provided.
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* @retval NRF_ERROR_INTERNAL Internal error during signature verification.
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*/
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ret_code_t ecc_p256_verify(uint8_t const *p_le_pk, uint8_t const * p_le_hash, uint32_t hlen, uint8_t const *p_le_sig);
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#ifdef __cplusplus
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}
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#endif
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#endif // ECC_H__
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/** @} */
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