1 | /* mbed Microcontroller Library
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2 | * Copyright (c) 2006-2017 ARM Limited
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | */
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16 |
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17 | #if defined(DEVICE_TRNG)
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18 | #include "trng_api.h"
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19 |
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20 | #if defined(TARGET_GR_LYCHEE) || defined(TARGET_RZA1H)
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21 |
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22 | extern void trng_init_esp32(void);
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23 | extern void trng_free_esp32(void);
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24 | extern int trng_get_bytes_esp32(uint8_t *output, size_t length, size_t *output_length);
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25 |
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26 | void trng_init(trng_t *obj)
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27 | {
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28 | trng_init_esp32();
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29 | }
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30 |
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31 | void trng_free(trng_t *obj)
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32 | {
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33 | trng_free_esp32();
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34 | }
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35 |
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36 | int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length)
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37 | {
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38 | return trng_get_bytes_esp32(output, length, output_length);
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39 | }
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40 | #else
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41 | #error "There is no initialization processing."
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42 | #endif
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43 | #endif
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