Commit b80c0b99347c52884cccc7c09775942acbcc0739
Committed by
Tom Rini
1 parent
40a808f173
Exists in
smarc_8mq_lf_v2020.04
and in
17 other branches
Rename aes.h to uboot_aes.h
aes.h is a too generic name if this file can be exported and used by a program. Rename it to avoid any conflicts with other files (for example, from openSSL). Signed-off-by: Stefano Babic <sbabic@denx.de>
Showing 7 changed files with 99 additions and 99 deletions Side-by-side Diff
arch/arm/mach-tegra/tegra20/crypto.c
cmd/aes.c
common/env_common.c
include/aes.h
1 | -/* | |
2 | - * Copyright (c) 2011 The Chromium OS Authors. | |
3 | - * (C) Copyright 2010 - 2011 NVIDIA Corporation <www.nvidia.com> | |
4 | - * | |
5 | - * SPDX-License-Identifier: GPL-2.0+ | |
6 | - */ | |
7 | - | |
8 | -#ifndef _AES_REF_H_ | |
9 | -#define _AES_REF_H_ | |
10 | - | |
11 | -#ifdef USE_HOSTCC | |
12 | -/* Define compat stuff for use in fw_* tools. */ | |
13 | -typedef unsigned char u8; | |
14 | -typedef unsigned int u32; | |
15 | -#define debug(...) do {} while (0) | |
16 | -#endif | |
17 | - | |
18 | -/* | |
19 | - * AES encryption library, with small code size, supporting only 128-bit AES | |
20 | - * | |
21 | - * AES is a stream cipher which works a block at a time, with each block | |
22 | - * in this case being AES_KEY_LENGTH bytes. | |
23 | - */ | |
24 | - | |
25 | -enum { | |
26 | - AES_STATECOLS = 4, /* columns in the state & expanded key */ | |
27 | - AES_KEYCOLS = 4, /* columns in a key */ | |
28 | - AES_ROUNDS = 10, /* rounds in encryption */ | |
29 | - | |
30 | - AES_KEY_LENGTH = 128 / 8, | |
31 | - AES_EXPAND_KEY_LENGTH = 4 * AES_STATECOLS * (AES_ROUNDS + 1), | |
32 | -}; | |
33 | - | |
34 | -/** | |
35 | - * aes_expand_key() - Expand the AES key | |
36 | - * | |
37 | - * Expand a key into a key schedule, which is then used for the other | |
38 | - * operations. | |
39 | - * | |
40 | - * @key Key, of length AES_KEY_LENGTH bytes | |
41 | - * @expkey Buffer to place expanded key, AES_EXPAND_KEY_LENGTH | |
42 | - */ | |
43 | -void aes_expand_key(u8 *key, u8 *expkey); | |
44 | - | |
45 | -/** | |
46 | - * aes_encrypt() - Encrypt single block of data with AES 128 | |
47 | - * | |
48 | - * @in Input data | |
49 | - * @expkey Expanded key to use for encryption (from aes_expand_key()) | |
50 | - * @out Output data | |
51 | - */ | |
52 | -void aes_encrypt(u8 *in, u8 *expkey, u8 *out); | |
53 | - | |
54 | -/** | |
55 | - * aes_decrypt() - Decrypt single block of data with AES 128 | |
56 | - * | |
57 | - * @in Input data | |
58 | - * @expkey Expanded key to use for decryption (from aes_expand_key()) | |
59 | - * @out Output data | |
60 | - */ | |
61 | -void aes_decrypt(u8 *in, u8 *expkey, u8 *out); | |
62 | - | |
63 | -/** | |
64 | - * Apply chain data to the destination using EOR | |
65 | - * | |
66 | - * Each array is of length AES_KEY_LENGTH. | |
67 | - * | |
68 | - * @cbc_chain_data Chain data | |
69 | - * @src Source data | |
70 | - * @dst Destination data, which is modified here | |
71 | - */ | |
72 | -void aes_apply_cbc_chain_data(u8 *cbc_chain_data, u8 *src, u8 *dst); | |
73 | - | |
74 | -/** | |
75 | - * aes_cbc_encrypt_blocks() - Encrypt multiple blocks of data with AES CBC. | |
76 | - * | |
77 | - * @key_exp Expanded key to use | |
78 | - * @src Source data to encrypt | |
79 | - * @dst Destination buffer | |
80 | - * @num_aes_blocks Number of AES blocks to encrypt | |
81 | - */ | |
82 | -void aes_cbc_encrypt_blocks(u8 *key_exp, u8 *src, u8 *dst, u32 num_aes_blocks); | |
83 | - | |
84 | -/** | |
85 | - * Decrypt multiple blocks of data with AES CBC. | |
86 | - * | |
87 | - * @key_exp Expanded key to use | |
88 | - * @src Source data to decrypt | |
89 | - * @dst Destination buffer | |
90 | - * @num_aes_blocks Number of AES blocks to decrypt | |
91 | - */ | |
92 | -void aes_cbc_decrypt_blocks(u8 *key_exp, u8 *src, u8 *dst, u32 num_aes_blocks); | |
93 | - | |
94 | -#endif /* _AES_REF_H_ */ |
include/uboot_aes.h
1 | +/* | |
2 | + * Copyright (c) 2011 The Chromium OS Authors. | |
3 | + * (C) Copyright 2010 - 2011 NVIDIA Corporation <www.nvidia.com> | |
4 | + * | |
5 | + * SPDX-License-Identifier: GPL-2.0+ | |
6 | + */ | |
7 | + | |
8 | +#ifndef _AES_REF_H_ | |
9 | +#define _AES_REF_H_ | |
10 | + | |
11 | +#ifdef USE_HOSTCC | |
12 | +/* Define compat stuff for use in fw_* tools. */ | |
13 | +typedef unsigned char u8; | |
14 | +typedef unsigned int u32; | |
15 | +#define debug(...) do {} while (0) | |
16 | +#endif | |
17 | + | |
18 | +/* | |
19 | + * AES encryption library, with small code size, supporting only 128-bit AES | |
20 | + * | |
21 | + * AES is a stream cipher which works a block at a time, with each block | |
22 | + * in this case being AES_KEY_LENGTH bytes. | |
23 | + */ | |
24 | + | |
25 | +enum { | |
26 | + AES_STATECOLS = 4, /* columns in the state & expanded key */ | |
27 | + AES_KEYCOLS = 4, /* columns in a key */ | |
28 | + AES_ROUNDS = 10, /* rounds in encryption */ | |
29 | + | |
30 | + AES_KEY_LENGTH = 128 / 8, | |
31 | + AES_EXPAND_KEY_LENGTH = 4 * AES_STATECOLS * (AES_ROUNDS + 1), | |
32 | +}; | |
33 | + | |
34 | +/** | |
35 | + * aes_expand_key() - Expand the AES key | |
36 | + * | |
37 | + * Expand a key into a key schedule, which is then used for the other | |
38 | + * operations. | |
39 | + * | |
40 | + * @key Key, of length AES_KEY_LENGTH bytes | |
41 | + * @expkey Buffer to place expanded key, AES_EXPAND_KEY_LENGTH | |
42 | + */ | |
43 | +void aes_expand_key(u8 *key, u8 *expkey); | |
44 | + | |
45 | +/** | |
46 | + * aes_encrypt() - Encrypt single block of data with AES 128 | |
47 | + * | |
48 | + * @in Input data | |
49 | + * @expkey Expanded key to use for encryption (from aes_expand_key()) | |
50 | + * @out Output data | |
51 | + */ | |
52 | +void aes_encrypt(u8 *in, u8 *expkey, u8 *out); | |
53 | + | |
54 | +/** | |
55 | + * aes_decrypt() - Decrypt single block of data with AES 128 | |
56 | + * | |
57 | + * @in Input data | |
58 | + * @expkey Expanded key to use for decryption (from aes_expand_key()) | |
59 | + * @out Output data | |
60 | + */ | |
61 | +void aes_decrypt(u8 *in, u8 *expkey, u8 *out); | |
62 | + | |
63 | +/** | |
64 | + * Apply chain data to the destination using EOR | |
65 | + * | |
66 | + * Each array is of length AES_KEY_LENGTH. | |
67 | + * | |
68 | + * @cbc_chain_data Chain data | |
69 | + * @src Source data | |
70 | + * @dst Destination data, which is modified here | |
71 | + */ | |
72 | +void aes_apply_cbc_chain_data(u8 *cbc_chain_data, u8 *src, u8 *dst); | |
73 | + | |
74 | +/** | |
75 | + * aes_cbc_encrypt_blocks() - Encrypt multiple blocks of data with AES CBC. | |
76 | + * | |
77 | + * @key_exp Expanded key to use | |
78 | + * @src Source data to encrypt | |
79 | + * @dst Destination buffer | |
80 | + * @num_aes_blocks Number of AES blocks to encrypt | |
81 | + */ | |
82 | +void aes_cbc_encrypt_blocks(u8 *key_exp, u8 *src, u8 *dst, u32 num_aes_blocks); | |
83 | + | |
84 | +/** | |
85 | + * Decrypt multiple blocks of data with AES CBC. | |
86 | + * | |
87 | + * @key_exp Expanded key to use | |
88 | + * @src Source data to decrypt | |
89 | + * @dst Destination buffer | |
90 | + * @num_aes_blocks Number of AES blocks to decrypt | |
91 | + */ | |
92 | +void aes_cbc_decrypt_blocks(u8 *key_exp, u8 *src, u8 *dst, u32 num_aes_blocks); | |
93 | + | |
94 | +#endif /* _AES_REF_H_ */ |
lib/aes.c