[tests] Verify ability to sleep the CPU
[ipxe.git] / src / crypto / crypto_null.c
1 /*
2 * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17 * 02110-1301, USA.
18 *
19 * You can also choose to distribute this program under the terms of
20 * the Unmodified Binary Distribution Licence (as given in the file
21 * COPYING.UBDL), provided that you have satisfied its requirements.
22 */
23
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25
26 /**
27 * @file
28 *
29 * Null crypto algorithm
30 */
31
32 #include <string.h>
33 #include <ipxe/crypto.h>
34
35 void digest_null_init ( void *ctx __unused ) {
36 /* Do nothing */
37 }
38
39 void digest_null_update ( void *ctx __unused, const void *src __unused,
40 size_t len __unused ) {
41 /* Do nothing */
42 }
43
44 void digest_null_final ( void *ctx __unused, void *out __unused ) {
45 /* Do nothing */
46 }
47
48 struct digest_algorithm digest_null = {
49 .name = "null",
50 .ctxsize = 0,
51 .blocksize = 1,
52 .digestsize = 0,
53 .init = digest_null_init,
54 .update = digest_null_update,
55 .final = digest_null_final,
56 };
57
58 int cipher_null_setkey ( void *ctx __unused, const void *key __unused,
59 size_t keylen __unused ) {
60 /* Do nothing */
61 return 0;
62 }
63
64 void cipher_null_setiv ( void *ctx __unused, const void *iv __unused,
65 size_t ivlen __unused ) {
66 /* Do nothing */
67 }
68
69 void cipher_null_encrypt ( void *ctx __unused, const void *src, void *dst,
70 size_t len ) {
71 memcpy ( dst, src, len );
72 }
73
74 void cipher_null_decrypt ( void *ctx __unused, const void *src, void *dst,
75 size_t len ) {
76 memcpy ( dst, src, len );
77 }
78
79 void cipher_null_auth ( void *ctx __unused, void *auth __unused ) {
80 /* Do nothing */
81 }
82
83 struct cipher_algorithm cipher_null = {
84 .name = "null",
85 .ctxsize = 0,
86 .blocksize = 1,
87 .alignsize = 1,
88 .authsize = 0,
89 .setkey = cipher_null_setkey,
90 .setiv = cipher_null_setiv,
91 .encrypt = cipher_null_encrypt,
92 .decrypt = cipher_null_decrypt,
93 .auth = cipher_null_auth,
94 };
95
96 int pubkey_null_init ( void *ctx __unused, const void *key __unused,
97 size_t key_len __unused ) {
98 return 0;
99 }
100
101 size_t pubkey_null_max_len ( void *ctx __unused ) {
102 return 0;
103 }
104
105 int pubkey_null_encrypt ( void *ctx __unused, const void *plaintext __unused,
106 size_t plaintext_len __unused,
107 void *ciphertext __unused ) {
108 return 0;
109 }
110
111 int pubkey_null_decrypt ( void *ctx __unused, const void *ciphertext __unused,
112 size_t ciphertext_len __unused,
113 void *plaintext __unused ) {
114 return 0;
115 }
116
117 int pubkey_null_sign ( void *ctx __unused,
118 struct digest_algorithm *digest __unused,
119 const void *value __unused, void *signature __unused ) {
120 return 0;
121 }
122
123 int pubkey_null_verify ( void *ctx __unused,
124 struct digest_algorithm *digest __unused,
125 const void *value __unused,
126 const void *signature __unused ,
127 size_t signature_len __unused ) {
128 return 0;
129 }
130
131 void pubkey_null_final ( void *ctx __unused ) {
132 /* Do nothing */
133 }
134
135 struct pubkey_algorithm pubkey_null = {
136 .name = "null",
137 .ctxsize = 0,
138 .init = pubkey_null_init,
139 .max_len = pubkey_null_max_len,
140 .encrypt = pubkey_null_encrypt,
141 .decrypt = pubkey_null_decrypt,
142 .sign = pubkey_null_sign,
143 .verify = pubkey_null_verify,
144 .final = pubkey_null_final,
145 };