1 /* 2 * Copyright (c) 2016, Linaro Limited 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <tee/uuid.h> 29 #include <string.h> 30 31 void tee_uuid_to_octets(uint8_t *d, const TEE_UUID *s) 32 { 33 d[0] = s->timeLow >> 24; 34 d[1] = s->timeLow >> 16; 35 d[2] = s->timeLow >> 8; 36 d[3] = s->timeLow; 37 d[4] = s->timeMid >> 8; 38 d[5] = s->timeMid; 39 d[6] = s->timeHiAndVersion >> 8; 40 d[7] = s->timeHiAndVersion; 41 memcpy(d + 8, s->clockSeqAndNode, sizeof(s->clockSeqAndNode)); 42 } 43 44 void tee_uuid_from_octets(TEE_UUID *d, const uint8_t *s) 45 { 46 d->timeLow = (s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3]; 47 d->timeMid = (s[4] << 8) | s[5]; 48 d->timeHiAndVersion = (s[6] << 8) | s[7]; 49 memcpy(d->clockSeqAndNode, s + 8, sizeof(d->clockSeqAndNode)); 50 } 51