124 lines
3.0 KiB
C
124 lines
3.0 KiB
C
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/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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/* os_shim header files */
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#include "os_types_api.h"
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/* iot common header files */
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#include "iot_pkt_api.h"
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#include "iot_config_api.h"
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#include "iot_utils_api.h"
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#include "iot_errno_api.h"
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#include "iot_sha1_api.h"
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#if (HW_PLATFORM == HW_PLATFORM_SILICON)
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#include "mbedtls/sha1.h"
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#define IOT_SHA1_LEN (20)
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iot_sha1_h iot_sha1_start(void)
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{
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iot_pkt_t *pkt = NULL;
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mbedtls_sha1_context *ctx;
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pkt = iot_pkt_alloc(sizeof(mbedtls_sha1_context), IOT_DRIVER_MID);
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if (pkt) {
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ctx = (mbedtls_sha1_context*)iot_pkt_put(pkt,
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sizeof(mbedtls_sha1_context));
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mbedtls_sha1_starts(ctx);
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}
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return pkt;
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}
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void iot_sha1_end(iot_sha1_h handle)
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{
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iot_pkt_t *pkt;
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pkt = handle;
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if (pkt) {
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iot_pkt_free(pkt);
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}
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}
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uint32_t iot_sha1_update(iot_sha1_h handle, const uint8_t *data,
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uint32_t len)
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{
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uint32_t ret = ERR_FAIL;
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iot_pkt_t *pkt;
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mbedtls_sha1_context *ctx;
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pkt = handle;
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if (pkt == NULL || iot_pkt_data_len(pkt) != sizeof(*ctx)) {
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goto out;
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}
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ctx = (mbedtls_sha1_context*)iot_pkt_data(pkt);
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mbedtls_sha1_update(ctx, data, len);
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ret = ERR_OK;
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out:
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return ret;
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}
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uint32_t iot_sha1_finish(iot_sha1_h handle, uint8_t *data, uint32_t len)
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{
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uint32_t ret = ERR_FAIL, min_len;
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uint8_t output[IOT_SHA1_LEN];
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iot_pkt_t *pkt;
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mbedtls_sha1_context *ctx;
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pkt = handle;
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if (pkt == NULL || iot_pkt_data_len(pkt) != sizeof(*ctx)) {
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goto out;
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}
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ctx = (mbedtls_sha1_context*)iot_pkt_data(pkt);
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mbedtls_sha1_finish(ctx, output);
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min_len = min(IOT_SHA1_LEN, len);
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os_mem_cpy(data, output, min_len);
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ret = ERR_OK;
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out:
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return ret;
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}
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#else /* HW_PLATFORM == HW_PLATFORM_SILICON */
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iot_sha1_h iot_sha1_start(void)
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{
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return NULL;
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}
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void iot_sha1_end(iot_sha1_h handle)
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{
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(void)handle;
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}
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uint32_t iot_sha1_update(iot_sha1_h handle, const uint8_t *data,
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uint32_t len)
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{
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(void)handle;
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(void)data;
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(void)len;
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return ERR_NOSUPP;
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}
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uint32_t iot_sha1_finish(iot_sha1_h handle, uint8_t *data, uint32_t len)
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{
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(void)handle;
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(void)data;
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(void)len;
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return ERR_NOSUPP;
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}
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#endif /* HW_PLATFORM == HW_PLATFORM_SILICON */
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