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review.trustedfirmware.org / TS / trusted-services / ab7db21cfc94e8f2da05d17ba4f99a56fdff059c / . / protocols / service / crypto / packed-c / aead.h
blob: 0be266b52403cf650f43edfed79abc5bc8187af0 [file] [log] [blame]
Julian Hall83456062021-07-22 11:37:09 +0100[diff] [blame]1/*
2 * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
3 * SPDX-License-Identifier: BSD-3-Clause
4 */
5
6#ifndef TS_CRYPTO_AEAD_H
7#define TS_CRYPTO_AEAD_H
8
9#include <stdint.h>
10
11/**
12 * Protocol definitions for aead operations
13 * using the packed-c serialization.
14 */
15
16/****************************************
17 * aead_setup operation definition (encrypt or decrypt)
18 */
19
20/* Mandatory fixed sized input parameters */
21struct __attribute__ ((__packed__)) ts_crypto_aead_setup_in
22{
23 uint32_t key_id;
24 uint32_t alg;
25};
26
27/* Mandatory fixed sized output parameters */
28struct __attribute__ ((__packed__)) ts_crypto_aead_setup_out
29{
30 uint32_t op_handle;
31};
32
33/****************************************
34 * aead_generate_nonce operation definition
35 */
36
37/* Mandatory fixed sized input parameters */
38struct __attribute__ ((__packed__)) ts_crypto_aead_generate_nonce_in
39{
40 uint32_t op_handle;
41};
42
43/* Variable length output parameter tags */
44enum
45{
46 TS_CRYPTO_AEAD_GENERATE_NONCE_OUT_TAG_NONCE = 1
47};
48
49/****************************************
50 * aead_set_nonce operation definition
51 */
52
53/* Mandatory fixed sized input parameters */
54struct __attribute__ ((__packed__)) ts_crypto_aead_set_nonce_in
55{
56 uint32_t op_handle;
57};
58
59/* Variable length input parameter tags */
60enum
61{
62 TS_CRYPTO_AEAD_SET_NONCE_IN_TAG_NONCE = 1
63};
64
65/****************************************
66 * aead_set_lengths operation definition
67 */
68
69/* Mandatory fixed sized input parameters */
70struct __attribute__ ((__packed__)) ts_crypto_aead_set_lengths_in
71{
72 uint32_t op_handle;
73 uint32_t ad_length;
74 uint32_t plaintext_length;
75};
76
77/****************************************
78 * aead_update_ad operation definition
79 */
80
81/* Mandatory fixed sized input parameters */
82struct __attribute__ ((__packed__)) ts_crypto_aead_update_ad_in
83{
84 uint32_t op_handle;
85};
86
87/* Variable length input parameter tags */
88enum
89{
90 TS_CRYPTO_AEAD_UPDATE_AD_IN_TAG_DATA = 1
91};
92
93/****************************************
94 * aead_update operation definition
95 */
96
97/* Mandatory fixed sized input parameters */
98struct __attribute__ ((__packed__)) ts_crypto_aead_update_in
99{
100 uint32_t op_handle;
101};
102
103/* Variable length input parameter tags */
104enum
105{
106 TS_CRYPTO_AEAD_UPDATE_IN_TAG_DATA = 1
107};
108
109/* Variable length output parameter tags */
110enum
111{
112 TS_CRYPTO_AEAD_UPDATE_OUT_TAG_DATA = 1
113};
114
115/****************************************
116 * aead_finish operation definition
117 */
118
119/* Mandatory fixed sized input parameters */
120struct __attribute__ ((__packed__)) ts_crypto_aead_finish_in
121{
122 uint32_t op_handle;
123};
124
125/* Variable length output parameter tags */
126enum
127{
128 TS_CRYPTO_AEAD_FINISH_OUT_TAG_CIPHERTEXT = 1,
129 TS_CRYPTO_AEAD_FINISH_OUT_TAG_TAG = 2
130};
131
132/****************************************
133 * aead_verify operation definition
134 */
135
136/* Mandatory fixed sized input parameters */
137struct __attribute__ ((__packed__)) ts_crypto_aead_verify_in
138{
139 uint32_t op_handle;
140};
141
142/* Variable length input parameter tags */
143enum
144{
145 TS_CRYPTO_AEAD_VERIFY_IN_TAG_TAG = 1
146};
147
148/* Variable length output parameter tags */
149enum
150{
151 TS_CRYPTO_AEAD_VERIFY_OUT_TAG_PLAINTEXT = 1
152};
153
154/****************************************
155 * aead_abort operation definition
156 */
157
158/* Mandatory fixed sized input parameters */
159struct __attribute__ ((__packed__)) ts_crypto_aead_abort_in
160{
161 uint32_t op_handle;
162};
163
164
165#endif /* TS_CRYPTO_AEAD_H */