mirror of https://github.com/ARMmbed/mbed-os.git
122 lines
3.8 KiB
C
122 lines
3.8 KiB
C
/****************************************************************************
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*
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* Copyright 2020 Samsung Electronics All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific
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* language governing permissions and limitations under the License.
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*
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****************************************************************************/
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/*************** Include Files ********************************************/
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#include "sss_driver_error.h"
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#include "sss_driver_rng.h"
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/*************** Assertions ***********************************************/
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/*************** Definitions / Macros *************************************/
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/*************** New Data Types (Basic Data Types) ***********************/
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/*************** New Data Types *******************************************/
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/*************** Constants ************************************************/
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/*************** Variable declarations ************************************/
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/*************** Functions ***********************************************/
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/*! @fn sss_generate_random(unsigned int *random, unsigned int wlen)
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* @ingroup SECURITY_SSS
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* @brief rng function
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* @version v0.50 : 2016.8.13 Init. release version
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* @version v0.01 : 2018.01.13 Modified for S111 SRAM code
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* @param[out] random : array of random number
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* @param[in] wlen : word length of random number to be generated
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* @retval SUCCESS : Success
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* @retval Others(!=0) : fail - error from sub-function
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*/
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unsigned int sss_generate_random(stOCTET_STRING *pstRandom, unsigned int request_byte_len)
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{
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unsigned int ret;
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//! step 0 : clear Mailbox
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ret = mb_system_clear(CLEAR_TYPE_MAILBOX);
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if (ret != SSSR_SUCCESS) {
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return ret;
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}
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//! step 1 : generate random
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ret = mb_generate_random_number(pstRandom, request_byte_len);
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return ret;
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}
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/*!
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* @ingroup SECURITY_SSS
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* @brief rng function
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* @version v0.50 : 2016.8.13 Init. release version
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* @version v0.51 : 2018.01.13 Modified for S111 SRAM code
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* @param[out] random : array of random number
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* @param[in] wlen : word length of random number to be generated
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* @retval SUCCESS : Success
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* @retval Others(!=0) : fail - error from sub-function
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*/
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unsigned int sss_generate_rawrandom(stOCTET_STRING *pstRandom, unsigned int request_byte_len)
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{
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unsigned int ret;
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//! step 0 : clear Mailbox
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ret = mb_system_clear(CLEAR_TYPE_MAILBOX);
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if (ret != SSSR_SUCCESS) {
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return ret;
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}
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//! step 1 : generate random
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ret = mb_generate_raw_random(pstRandom, request_byte_len);
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return ret;
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}
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/*!
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* @ingroup SECURITY_SSS
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* @brief rng function
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* @version v0.50 : 2016.8.13 Init. release version
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* @version v0.51 : 2018.01.13 Modified for S111 SRAM code
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* @param[out] random : array of random number
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* @param[in] wlen : word length of random number to be generated
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* @retval SUCCESS : Success
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* @retval Others(!=0) : fail - error from sub-function
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*/
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unsigned int sss_KAT_RNG(void)
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{
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unsigned int ret;
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//! step 0 : clear Mailbox
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ret = mb_system_clear(CLEAR_TYPE_MAILBOX);
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if (ret != SSSR_SUCCESS) {
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return ret;
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}
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//! step 1 : call KAT
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ret = mb_KAT_RNG();
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return ret;
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}
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