1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright (c) 2016, Linaro Limited 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <string.h> 30 #include <tee/uuid.h> 31 #include <util.h> 32 33 void tee_uuid_to_octets(uint8_t *d, const TEE_UUID *s) 34 { 35 d[0] = s->timeLow >> 24; 36 d[1] = s->timeLow >> 16; 37 d[2] = s->timeLow >> 8; 38 d[3] = s->timeLow; 39 d[4] = s->timeMid >> 8; 40 d[5] = s->timeMid; 41 d[6] = s->timeHiAndVersion >> 8; 42 d[7] = s->timeHiAndVersion; 43 memcpy(d + 8, s->clockSeqAndNode, sizeof(s->clockSeqAndNode)); 44 } 45 46 void tee_uuid_from_octets(TEE_UUID *d, const uint8_t *s) 47 { 48 d->timeLow = SHIFT_U32(s[0], 24) | SHIFT_U32(s[1], 16) | 49 SHIFT_U32(s[2], 8) | s[3]; 50 d->timeMid = SHIFT_U32(s[4], 8) | s[5]; 51 d->timeHiAndVersion = SHIFT_U32(s[6], 8) | s[7]; 52 memcpy(d->clockSeqAndNode, s + 8, sizeof(d->clockSeqAndNode)); 53 } 54