1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* Copyright (c) 2014, STMicroelectronics International N.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <utee_misc.h>
#include "utee_syscalls.h"
/* utee_get_ta_exec_id - get a process/thread id for the current sequence */
unsigned int utee_get_ta_exec_id(void)
{
/* no execution ID available */
return 0;
}
/* utee_malloc/realloc/free - call malloc lib support */
void *utee_malloc(size_t len)
{
return malloc(len);
}
void *utee_realloc(void *buffer, size_t len)
{
return realloc(buffer, len);
}
void *utee_calloc(size_t nb, size_t len)
{
return calloc(len, nb);
}
void utee_free(void *buffer)
{
free(buffer);
}
/*
* This version of get_rng_array() is used by the libmpa, when used on user side
* This is why this function is not implemented in libutee for targets with
* trusted os not split into kernel / user side. In such case, only the
* get_rng_array() version from the kernel side is used.
*/
extern TEE_Result get_rng_array(void *buf, size_t blen);
TEE_Result get_rng_array(void *buf, size_t blen)
{
return utee_cryp_random_number_generate(buf, blen);
}
|
