1 /*
2 * Copyright (c) 2017-2023, Texas Instruments Incorporated
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
7 * are met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * * Neither the name of Texas Instruments Incorporated nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <stdbool.h>
34 #include <stdint.h>
35 #include <stdlib.h>
36 #include <string.h>
37
38 #include <ti/drivers/cryptoutils/cryptokey/CryptoKeyPlaintext.h>
39 #include <ti/drivers/cryptoutils/cryptokey/CryptoKey.h>
40
41 /*
42 * ======== CryptoKeyPlaintext_markAsBlank ========
43 */
CryptoKeyPlaintext_markAsBlank(CryptoKey * keyHandle)44 int_fast16_t CryptoKeyPlaintext_markAsBlank(CryptoKey *keyHandle)
45 {
46 keyHandle->encoding = CryptoKey_BLANK_PLAINTEXT;
47
48 return CryptoKey_STATUS_SUCCESS;
49 }
50
51 /*
52 * ======== CryptoKeyPlaintext_initKey ========
53 */
CryptoKeyPlaintext_initKey(CryptoKey * keyHandle,uint8_t * key,size_t keyLength)54 int_fast16_t CryptoKeyPlaintext_initKey(CryptoKey *keyHandle, uint8_t *key, size_t keyLength)
55 {
56 keyHandle->encoding = CryptoKey_PLAINTEXT;
57 keyHandle->u.plaintext.keyMaterial = key;
58 keyHandle->u.plaintext.keyLength = keyLength;
59
60 return CryptoKey_STATUS_SUCCESS;
61 }
62
63 /*
64 * ======== CryptoKeyPlaintext_initBlankKey ========
65 */
CryptoKeyPlaintext_initBlankKey(CryptoKey * keyHandle,uint8_t * keyLocation,size_t keyLength)66 int_fast16_t CryptoKeyPlaintext_initBlankKey(CryptoKey *keyHandle, uint8_t *keyLocation, size_t keyLength)
67 {
68
69 keyHandle->encoding = CryptoKey_BLANK_PLAINTEXT;
70 keyHandle->u.plaintext.keyMaterial = keyLocation;
71 keyHandle->u.plaintext.keyLength = keyLength;
72
73 return CryptoKey_STATUS_SUCCESS;
74 }
75
76 /*
77 * ======== CryptoKeyPlaintext_setKeyLocation ========
78 */
CryptoKeyPlaintext_setKeyLocation(CryptoKey * keyHandle,uint8_t * location)79 int_fast16_t CryptoKeyPlaintext_setKeyLocation(CryptoKey *keyHandle, uint8_t *location)
80 {
81 keyHandle->u.plaintext.keyMaterial = location;
82
83 return CryptoKey_STATUS_SUCCESS;
84 }
85
86 /*
87 * ======== CryptoKeyPlaintext_setKeyLocation ========
88 */
CryptoKeyPlaintext_getKeyLocation(CryptoKey * keyHandle,uint8_t ** location)89 int_fast16_t CryptoKeyPlaintext_getKeyLocation(CryptoKey *keyHandle, uint8_t **location)
90 {
91 *location = keyHandle->u.plaintext.keyMaterial;
92
93 return CryptoKey_STATUS_SUCCESS;
94 }
95
96 /*
97 * ======== CryptoKeyPlaintext_getKeyLength ========
98 */
CryptoKeyPlaintext_getKeyLength(CryptoKey * keyHandle,size_t * length)99 int_fast16_t CryptoKeyPlaintext_getKeyLength(CryptoKey *keyHandle, size_t *length)
100 {
101 *length = keyHandle->u.plaintext.keyLength;
102
103 return CryptoKey_STATUS_SUCCESS;
104 }
105
106 /*
107 * ======== CryptoKeyPlaintext_setKeyLength ========
108 */
CryptoKeyPlaintext_setKeyLength(CryptoKey * keyHandle,size_t length)109 int_fast16_t CryptoKeyPlaintext_setKeyLength(CryptoKey *keyHandle, size_t length)
110 {
111 keyHandle->u.plaintext.keyLength = length;
112
113 return CryptoKey_STATUS_SUCCESS;
114 }
115
116 #if (DeviceFamily_PARENT == DeviceFamily_PARENT_CC27XX)
117
118 /*
119 * ======== CryptoKeyPlaintext_initKey ========
120 */
CryptoKeyPlaintextHSM_initKey(CryptoKey * keyHandle,uint8_t * key,size_t keyLength)121 int_fast16_t CryptoKeyPlaintextHSM_initKey(CryptoKey *keyHandle, uint8_t *key, size_t keyLength)
122 {
123 keyHandle->encoding = CryptoKey_PLAINTEXT_HSM;
124 keyHandle->u.plaintext.keyMaterial = key;
125 keyHandle->u.plaintext.keyLength = keyLength;
126
127 return CryptoKey_STATUS_SUCCESS;
128 }
129
130 #endif
