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 <string.h> 29 #include <tee/uuid.h> 30 #include <util.h> 31 32 void tee_uuid_to_octets(uint8_t *d, const TEE_UUID *s) 33 { 34 d[0] = s->timeLow >> 24; 35 d[1] = s->timeLow >> 16; 36 d[2] = s->timeLow >> 8; 37 d[3] = s->timeLow; 38 d[4] = s->timeMid >> 8; 39 d[5] = s->timeMid; 40 d[6] = s->timeHiAndVersion >> 8; 41 d[7] = s->timeHiAndVersion; 42 memcpy(d + 8, s->clockSeqAndNode, sizeof(s->clockSeqAndNode)); 43 } 44 45 void tee_uuid_from_octets(TEE_UUID *d, const uint8_t *s) 46 { 47 d->timeLow = SHIFT_U32(s[0], 24) | SHIFT_U32(s[1], 16) | 48 SHIFT_U32(s[2], 8) | s[3]; 49 d->timeMid = SHIFT_U32(s[4], 8) | s[5]; 50 d->timeHiAndVersion = SHIFT_U32(s[6], 8) | s[7]; 51 memcpy(d->clockSeqAndNode, s + 8, sizeof(d->clockSeqAndNode)); 52 } 53