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git-subtree-dir: examples/knx-cc1310/coresdk_cc13xx_cc26xx git-subtree-split: 0d78d3280357416a5c0388148cda13717c9ffaa5
307 lines
12 KiB
C
307 lines
12 KiB
C
/*******************************************************************************
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* Filename: rom_crypto.c
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* Revised: 2018-09-17 08:57:21 +0200 (Mon, 17 Sep 2018)
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* Revision: 52619
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*
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* Description: This is the implementation for the API to the AES, ECC and
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* SHA256 functions built into ROM on the CC26xx.
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*
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* Copyright (c) 2015 - 2017, Texas Instruments Incorporated
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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
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* modification, 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,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of the ORGANIZATION nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*******************************************************************************/
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#include <stdint.h>
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#include "rom_crypto.h"
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///////////////////////////////////* AES-128 *//////////////////////////////////
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/* AES - ECB */
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typedef void(*aes_ecb_encrypt_t)(uint8_t *, uint16_t, uint8_t *);
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aes_ecb_encrypt_t aes_ecb_encrypt = (aes_ecb_encrypt_t)(0x10018a99);
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typedef void(*aes_ecb_decrypt_t)(uint8_t *, uint16_t, uint8_t *);
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aes_ecb_decrypt_t aes_ecb_decrypt= (aes_ecb_decrypt_t)(0x10018ac5);
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//*****************************************************************************
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// AES_ECB_EncryptData
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//*****************************************************************************
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void
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AES_ECB_EncryptData(uint8_t *text, uint16_t textLen, uint8_t *aesKey)
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{
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aes_ecb_encrypt(text, textLen, aesKey);
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}
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//*****************************************************************************
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// AES_ECB_DecryptData
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//*****************************************************************************
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void
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AES_ECB_DecryptData(uint8_t *text, uint16_t textLen, uint8_t *aesKey)
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{
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aes_ecb_decrypt(text, textLen, aesKey);
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}
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/* AES - CCM */
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typedef int8_t(*aes_ccm_encrypt_t)(uint8_t, uint8_t, uint8_t *, uint8_t *,
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uint16_t, uint8_t *, uint16_t, uint8_t *,
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uint8_t *, uint8_t);
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aes_ccm_encrypt_t aes_ccm_encrypt = (aes_ccm_encrypt_t)(0x10018a19);
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typedef int8_t(*aes_ccm_decrypt_t)(uint8_t, uint8_t, uint8_t *, uint8_t *,
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uint16_t, uint8_t *, uint16_t, uint8_t *,
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uint8_t *, uint8_t);
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aes_ccm_decrypt_t aes_ccm_decrypt= (aes_ccm_decrypt_t)(0x10018a35);
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//*****************************************************************************
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// AES_CCM_EncryptData
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//*****************************************************************************
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int8_t
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AES_CCM_EncryptData(uint8_t encryptFlag, uint8_t MACLen, uint8_t *nonce,
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uint8_t *plainText, uint16_t textLen,
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uint8_t *addDataBuf, uint16_t addBufLen,
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uint8_t *aesKey, uint8_t *MAC, uint8_t ccmLVal)
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{
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return aes_ccm_encrypt(encryptFlag, MACLen, nonce, plainText, textLen,
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addDataBuf, addBufLen, aesKey, MAC, ccmLVal);
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}
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//*****************************************************************************
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// AES_CCM_DecryptData
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//*****************************************************************************
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int8_t
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AES_CCM_DecryptData(uint8_t decryptFlag, uint8_t MACLen, uint8_t *nonce,
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uint8_t *cipherText, uint16_t textLen,
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uint8_t *addDataBuf, uint16_t addBufLen,
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uint8_t *aesKey, uint8_t *MAC, uint8_t ccmLVal)
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{
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return aes_ccm_decrypt(decryptFlag, MACLen, nonce, cipherText, textLen,
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addDataBuf, addBufLen, aesKey, MAC, ccmLVal);
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}
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/* AES - CTR */
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typedef uint8_t(*aes_ctr_encrypt_t)(uint8_t *, uint16_t, uint8_t *, uint8_t *,
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uint8_t *);
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aes_ctr_encrypt_t aes_ctr_encrypt = (aes_ctr_encrypt_t)(0x100175ed);
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typedef uint8_t(*aes_ctr_decrypt_t)(uint8_t *, uint16_t, uint8_t *, uint8_t *,
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uint8_t *);
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aes_ctr_decrypt_t aes_ctr_decrypt= (aes_ctr_decrypt_t)(0x10017771);
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//*****************************************************************************
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// AES_CTR_EncryptData
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//*****************************************************************************
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uint8_t
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AES_CTR_EncryptData(uint8_t *plainText, uint16_t textLen,
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uint8_t *aesKey, uint8_t *nonce,
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uint8_t *initVector)
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{
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return aes_ctr_encrypt(plainText, textLen, aesKey, nonce, initVector);
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}
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//*****************************************************************************
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// AES_CTR_DecryptData
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//*****************************************************************************
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uint8_t
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AES_CTR_DecryptData(uint8_t *cipherText, uint16_t textLen,
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uint8_t *aesKey, uint8_t *nonce,
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uint8_t *initVector)
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{
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return aes_ctr_decrypt(cipherText, textLen, aesKey, nonce, initVector);
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}
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////////////////////////////////////* ECC *////////////////////////////////////
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#ifdef ECC_PRIME_NIST256_CURVE
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//#define TEST_NIST256
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//#define PARAM_P NIST256_p;
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#define PARAM_P 0x10018b0c;
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//#define PARAM_R NIST256_r;
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#define PARAM_R 0x10018b30;
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//#define PARAM_A NIST256_a;
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#define PARAM_A 0x10018b54;
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//#define PARAM_B NIST256_b;
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#define PARAM_B 0x10018b78;
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//#define PARAM_GX NIST256_Gx;
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#define PARAM_GX 0x10018b9c;
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//#define PARAM_GY NIST256_Gy;
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#define PARAM_GY 0x10018bc0;
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#endif
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//*****************************************************************************
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// ECC_initialize
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//*****************************************************************************
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void
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ECC_initialize(uint32_t *pWorkzone)
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{
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// Initialize curve parameters
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//data_p = (uint32_t *)PARAM_P;
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*((uint32_t **)0x20004f48) = (uint32_t *)PARAM_P;
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//data_r = (uint32_t *)PARAM_R;
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*((uint32_t **)0x20004f4c) = (uint32_t *)PARAM_R;
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//data_a = (uint32_t *)PARAM_A;
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*((uint32_t **)0x20004f50) = (uint32_t *)PARAM_A;
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//data_b = (uint32_t *)PARAM_B;
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*((uint32_t **)0x20004fa8) = (uint32_t *)PARAM_B;
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//data_Gx = (uint32_t *)PARAM_GX;
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*((uint32_t **)0x20004fa0) = (uint32_t *)PARAM_GX;
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//data_Gy = (uint32_t *)PARAM_GY;
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*((uint32_t **)0x20004fa4) = (uint32_t *)PARAM_GY;
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// Initialize window size
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//win = (uint8_t) ECC_WINDOW_SIZE;
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*((uint8_t *)0x20004f40) = (uint8_t) ECC_WINDOW_SIZE;
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// Initialize work zone
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//workzone = (uint32_t *) pWorkzone;
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*((uint32_t **)0x20004f44) = (uint32_t *) pWorkzone;
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}
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typedef uint8_t(*ecc_keygen_t)(uint32_t *, uint32_t *,uint32_t *, uint32_t *);
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ecc_keygen_t ecc_generatekey = (ecc_keygen_t)(0x10017dbd);
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typedef uint8_t(*ecdsa_sign_t)(uint32_t *, uint32_t *,uint32_t *, uint32_t *, uint32_t *);
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ecdsa_sign_t ecc_ecdsa_sign = (ecdsa_sign_t)(0x10017969);
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typedef uint8_t(*ecdsa_verify_t)(uint32_t *, uint32_t *,uint32_t *, uint32_t *, uint32_t *);
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ecdsa_verify_t ecc_ecdsa_verify = (ecdsa_verify_t)(0x10017b01);
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typedef uint8_t(*ecdh_computeSharedSecret_t)(uint32_t *, uint32_t *,uint32_t *, uint32_t *, uint32_t *);
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ecdh_computeSharedSecret_t ecdh_computeSharedSecret = (ecdh_computeSharedSecret_t)(0x10017ded);
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//*****************************************************************************
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// ECC_generateKey
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//*****************************************************************************
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uint8_t
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ECC_generateKey(uint32_t *randString, uint32_t *privateKey,
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uint32_t *publicKey_x, uint32_t *publicKey_y)
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{
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return (uint8_t)ecc_generatekey((uint32_t*)randString, (uint32_t*)privateKey,
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(uint32_t*)publicKey_x, (uint32_t*)publicKey_y);
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}
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//*****************************************************************************
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// ECC_ECDSA_sign
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//*****************************************************************************
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uint8_t
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ECC_ECDSA_sign(uint32_t *secretKey, uint32_t *text, uint32_t *randString,
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uint32_t *sign1, uint32_t *sign2)
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{
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return (uint8_t)ecc_ecdsa_sign((uint32_t*)secretKey, (uint32_t*)text, (uint32_t*)randString,
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(uint32_t*)sign1, (uint32_t*)sign2);
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}
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//*****************************************************************************
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// ECC_ECDSA_verify
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//*****************************************************************************
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uint8_t
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ECC_ECDSA_verify(uint32_t *publicKey_x, uint32_t *publicKey_y,
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uint32_t *text, uint32_t *sign1, uint32_t *sign2)
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{
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return (uint8_t)ecc_ecdsa_verify((uint32_t*)publicKey_x, (uint32_t*)publicKey_y, (uint32_t*)text,
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(uint32_t*)sign1, (uint32_t*)sign2);
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}
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//*****************************************************************************
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// ECC_ECDH_computeSharedSecret
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//*****************************************************************************
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uint8_t
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ECC_ECDH_computeSharedSecret(uint32_t *privateKey, uint32_t *publicKey_x,
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uint32_t *publicKey_y, uint32_t *sharedSecret_x,
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uint32_t *sharedSecret_y)
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{
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return (uint8_t)ecdh_computeSharedSecret((uint32_t*)privateKey, (uint32_t*)publicKey_x,
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(uint32_t*)publicKey_y, (uint32_t*)sharedSecret_x,
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(uint32_t*)sharedSecret_y);
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}
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//////////////////////////////////* SHA-256 *///////////////////////////////////
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typedef uint8_t(*sha256_full_t)(SHA256_memory_t *, uint8_t *, uint8_t *, uint32_t);
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sha256_full_t sha256_runfullalg = (sha256_full_t)(0x10018129);
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typedef uint8_t(*sha256_init_t)(SHA256_memory_t *);
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sha256_init_t sha256_initialize = (sha256_init_t)(0x10017ffd);
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typedef uint8_t(*sha256_process_t)(SHA256_memory_t *, uint8_t *, uint32_t);
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sha256_process_t sha256_execute = (sha256_process_t)(0x10018019);
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typedef uint8_t(*sha256_final_t)(SHA256_memory_t *, uint8_t *);
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sha256_final_t sha256_output = (sha256_final_t)(0x10018089);
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//*****************************************************************************
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// SHA256_runFullAlgorithm
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//*****************************************************************************
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uint8_t
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SHA256_runFullAlgorithm(SHA256_memory_t *memory, uint8_t *pBufIn,
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uint32_t bufLen, uint8_t *pBufOut)
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{
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return (uint8_t)sha256_runfullalg(memory, pBufOut, pBufIn, bufLen);
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}
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//*****************************************************************************
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// SHA256_initialize
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//*****************************************************************************
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uint8_t
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SHA256_initialize(SHA256_memory_t *memory)
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{
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return (uint8_t)sha256_initialize(memory);
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}
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//*****************************************************************************
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// SHA256_execute
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//*****************************************************************************
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uint8_t
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SHA256_execute(SHA256_memory_t *memory, uint8_t *pBufIn, uint32_t bufLen)
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{
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return (uint8_t)sha256_execute(memory,pBufIn, bufLen);
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}
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//*****************************************************************************
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// SHA256_output
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//*****************************************************************************
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uint8_t
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SHA256_output(SHA256_memory_t *memory, uint8_t *pBufOut)
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{
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return (uint8_t)sha256_output(memory, pBufOut);
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}
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