xref: /optee_os/core/tee/uuid.c (revision 9a8a19cdba48dbca89c2a35d7984e9ec28f97bda)
1*9a8a19cdSJens Wiklander /*
2*9a8a19cdSJens Wiklander  * Copyright (c) 2016, Linaro Limited
3*9a8a19cdSJens Wiklander  * All rights reserved.
4*9a8a19cdSJens Wiklander  *
5*9a8a19cdSJens Wiklander  * Redistribution and use in source and binary forms, with or without
6*9a8a19cdSJens Wiklander  * modification, are permitted provided that the following conditions are met:
7*9a8a19cdSJens Wiklander  *
8*9a8a19cdSJens Wiklander  * 1. Redistributions of source code must retain the above copyright notice,
9*9a8a19cdSJens Wiklander  * this list of conditions and the following disclaimer.
10*9a8a19cdSJens Wiklander  *
11*9a8a19cdSJens Wiklander  * 2. Redistributions in binary form must reproduce the above copyright notice,
12*9a8a19cdSJens Wiklander  * this list of conditions and the following disclaimer in the documentation
13*9a8a19cdSJens Wiklander  * and/or other materials provided with the distribution.
14*9a8a19cdSJens Wiklander  *
15*9a8a19cdSJens Wiklander  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16*9a8a19cdSJens Wiklander  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17*9a8a19cdSJens Wiklander  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18*9a8a19cdSJens Wiklander  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19*9a8a19cdSJens Wiklander  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20*9a8a19cdSJens Wiklander  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21*9a8a19cdSJens Wiklander  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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24*9a8a19cdSJens Wiklander  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25*9a8a19cdSJens Wiklander  * POSSIBILITY OF SUCH DAMAGE.
26*9a8a19cdSJens Wiklander  */
27*9a8a19cdSJens Wiklander 
28*9a8a19cdSJens Wiklander #include <tee/uuid.h>
29*9a8a19cdSJens Wiklander #include <string.h>
30*9a8a19cdSJens Wiklander 
31*9a8a19cdSJens Wiklander void tee_uuid_to_octets(uint8_t *d, const TEE_UUID *s)
32*9a8a19cdSJens Wiklander {
33*9a8a19cdSJens Wiklander 	d[0] = s->timeLow >> 24;
34*9a8a19cdSJens Wiklander 	d[1] = s->timeLow >> 16;
35*9a8a19cdSJens Wiklander 	d[2] = s->timeLow >> 8;
36*9a8a19cdSJens Wiklander 	d[3] = s->timeLow;
37*9a8a19cdSJens Wiklander 	d[4] = s->timeMid >> 8;
38*9a8a19cdSJens Wiklander 	d[5] = s->timeMid;
39*9a8a19cdSJens Wiklander 	d[6] = s->timeHiAndVersion >> 8;
40*9a8a19cdSJens Wiklander 	d[7] = s->timeHiAndVersion;
41*9a8a19cdSJens Wiklander 	memcpy(d + 8, s->clockSeqAndNode, sizeof(s->clockSeqAndNode));
42*9a8a19cdSJens Wiklander }
43*9a8a19cdSJens Wiklander 
44*9a8a19cdSJens Wiklander void tee_uuid_from_octets(TEE_UUID *d, const uint8_t *s)
45*9a8a19cdSJens Wiklander {
46*9a8a19cdSJens Wiklander 	d->timeLow = (s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3];
47*9a8a19cdSJens Wiklander 	d->timeMid = (s[4] << 8) | s[5];
48*9a8a19cdSJens Wiklander 	d->timeHiAndVersion = (s[6] << 8) | s[7];
49*9a8a19cdSJens Wiklander 	memcpy(d->clockSeqAndNode, s + 8, sizeof(d->clockSeqAndNode));
50*9a8a19cdSJens Wiklander }
51