// SPDX-License-Identifier: BSD-2-Clause
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/*
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* Copyright (c) 2021 Rockchip Electronics Co. Ltd.
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*/
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#include <stdio.h>
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#include <tee_internal_api.h>
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#include "rktest_handle.h"
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#include "../rk_public_api/rk_trng_api.h"
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static void my_dump_hex(const char *name, const uint8_t *array, uint32_t len)
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{
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uint32_t i;
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char buffer[256];
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char *p;
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IMSG("=================== %s [%u] ================", name, len);
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p = buffer;
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for (i = 0; i < len; i++) {
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if (i % 16 == 0 && i != 0) {
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IMSG("%s", buffer);
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p = buffer;
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TEE_MemFill(buffer, 0x00, sizeof(buffer));
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}
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p += snprintf(p, 256, "%02x ", array[i]);
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}
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IMSG("%s\n", buffer);
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}
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TEE_Result handle_trng_read(void)
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{
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TEE_Result res = TEE_SUCCESS;
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uint32_t read_len = 256;
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uint8_t *read_data;
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read_data = TEE_Malloc(read_len, 0);
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if (!read_data) {
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EMSG("Malloc context memory FAILED!");
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return TEE_ERROR_OUT_OF_MEMORY;
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}
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res = rk_get_trng(read_data, read_len);
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if (res != TEE_SUCCESS)
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EMSG("rk_get_trng failed with code 0x%x", res);
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else
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my_dump_hex("rk_get_trng success with data:", read_data, read_len);
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TEE_Free(read_data);
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return res;
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}
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