1 /*
2  * Copyright (c) 2017, 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 #ifndef __AES_TA_H__
29 #define __AES_TA_H__
30 
31 /* UUID of the AES example trusted application */
32 #define TA_AES_UUID \
33 	{ 0x5dbac793, 0xf574, 0x4871, \
34 		{ 0x8a, 0xd3, 0x04, 0x33, 0x1e, 0xc1, 0x7f, 0x24 } }
35 
36 /*
37  * TA_AES_CMD_PREPARE - Allocate resources for the AES ciphering
38  * param[0] (value) a: TA_AES_ALGO_xxx, b: unused
39  * param[1] (value) a: key size in bytes, b: unused
40  * param[2] (value) a: TA_AES_MODE_ENCODE/_DECODE, b: unused
41  * param[3] unused
42  */
43 #define TA_AES_CMD_PREPARE		0
44 
45 #define TA_AES_ALGO_ECB			0
46 #define TA_AES_ALGO_CBC			1
47 #define TA_AES_ALGO_CTR			2
48 
49 #define TA_AES_SIZE_128BIT		(128 / 8)
50 #define TA_AES_SIZE_256BIT		(256 / 8)
51 
52 #define TA_AES_MODE_ENCODE		1
53 #define TA_AES_MODE_DECODE		0
54 
55 /*
56  * TA_AES_CMD_SET_KEY - Allocate resources for the AES ciphering
57  * param[0] (memref) key data, size shall equal key length
58  * param[1] unused
59  * param[2] unused
60  * param[3] unused
61  */
62 #define TA_AES_CMD_SET_KEY		1
63 
64 /*
65  * TA_AES_CMD_SET_IV - reset IV
66  * param[0] (memref) initial vector, size shall equal block length
67  * param[1] unused
68  * param[2] unused
69  * param[3] unused
70  */
71 #define TA_AES_CMD_SET_IV		2
72 
73 /*
74  * TA_AES_CMD_CIPHER - Cipher input buffer into output buffer
75  * param[0] (memref) input buffer
76  * param[1] (memref) output buffer (shall be bigger than input buffer)
77  * param[2] unused
78  * param[3] unused
79  */
80 #define TA_AES_CMD_CIPHER		3
81 
82 #endif /* __AES_TA_H */
83