1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/*
* Copyright (c) 2017, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <compiler.h>
#include <kernel/panic.h>
#include <tee/tee_cryp_provider.h>
#if !defined(_CFG_CRYPTO_WITH_HASH)
TEE_Result crypto_hash_get_ctx_size(uint32_t algo __unused,
size_t *size __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
TEE_Result crypto_hash_init(void *ctx __unused, uint32_t algo __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
TEE_Result crypto_hash_update(void *ctx __unused, uint32_t algo __unused,
const uint8_t *data __unused, size_t len __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
TEE_Result crypto_hash_final(void *ctx __unused, uint32_t algo __unused,
uint8_t *digest __unused, size_t len __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
#endif /*_CFG_CRYPTO_WITH_HASH*/
#if !defined(_CFG_CRYPTO_WITH_CIPHER)
TEE_Result crypto_cipher_get_ctx_size(uint32_t algo, size_t *size)
{
return TEE_ERROR_NOT_IMPLEMENTED
}
TEE_Result crypto_cipher_init(void *ctx __unused, uint32_t algo __unused,
TEE_OperationMode mode __unused,
const uint8_t *key1 __unused,
size_t key1_len __unused,
const uint8_t *key2 __unused,
size_t key2_len __unused,
const uint8_t *iv __unused,
size_t iv_len __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED
}
TEE_Result crypto_cipher_update(void *ctx __unused, uint32_t algo __unused,
TEE_OperationMode mode __unused,
bool last_block __unused,
const uint8_t *data __unused,
size_t len __unused, uint8_t *dst __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED
}
void crypto_cipher_final(void *ctx __unused, uint32_t algo __unused)
{
}
TEE_Result crypto_cipher_get_block_size(uint32_t algo __unused,
size_t *size __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED
}
#endif /*_CFG_CRYPTO_WITH_CIPHER*/
#if !defined(_CFG_CRYPTO_WITH_MAC)
TEE_Result crypto_mac_get_ctx_size(uint32_t algo __unused,
size_t *size __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
TEE_Result crypto_mac_init(void *ctx __unused, uint32_t algo __unused,
const uint8_t *key __unused, size_t len __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
TEE_Result crypto_mac_update(void *ctx __unused, uint32_t algo __unused,
const uint8_t *data __unused, size_t len __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
TEE_Result crypto_mac_final(void *ctx __unused, uint32_t algo __unused,
uint8_t *digest __unused,
size_t digest_len __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
#endif /*_CFG_CRYPTO_WITH_MAC*/
#if !defined(_CFG_CRYPTO_WITH_AUTHENC)
TEE_Result crypto_authenc_get_ctx_size(uint32_t algo __unused,
size_t *size __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
TEE_Result crypto_authenc_init(void *ctx __unused, uint32_t algo __unused,
TEE_OperationMode mode __unused,
const uint8_t *key __unused,
size_t key_len __unused,
const uint8_t *nonce __unused,
size_t nonce_len __unused,
size_t tag_len __unused,
size_t aad_len __unused,
size_t payload_len __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
TEE_Result crypto_authenc_update_aad(void *ctx __unused, uint32_t algo __unused,
TEE_OperationMode mode __unused,
const uint8_t *data __unused,
size_t len __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
TEE_Result crypto_authenc_update_payload(void *ctx __unused,
uint32_t algo __unused,
TEE_OperationMode mode __unused,
const uint8_t *src_data __unused,
size_t src_len __unused,
uint8_t *dst_data __unused,
size_t *dst_len __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
TEE_Result crypto_authenc_enc_final(void *ctx __unused, uint32_t algo __unused,
const uint8_t *src_data __unused,
size_t src_len __unused,
uint8_t *dst_data __unused,
size_t *dst_len __unused,
uint8_t *dst_tag __unused,
size_t *dst_tag_len __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
TEE_Result crypto_authenc_dec_final(void *ctx __unused, uint32_t algo __unused,
const uint8_t *src_data __unused,
size_t src_len __unused,
uint8_t *dst_data __unused,
size_t *dst_len __unused,
const uint8_t *tag __unused,
size_t tag_len __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
void crypto_authenc_final(void *ctx __unused, uint32_t algo __unused)
{
}
#endif /*_CFG_CRYPTO_WITH_AUTHENC*/
#if !defined(_CFG_CRYPTO_WITH_ACIPHER)
struct bignum *crypto_bignum_allocate(size_t size_bits __unused)
{
return NULL;
}
TEE_Result crypto_bignum_bin2bn(const uint8_t *from __unused,
size_t fromsize __unused,
struct bignum *to __unused)
{
return TEE_ERROR_NOT_IMPLEMENTED;
}
size_t crypto_bignum_num_bytes(struct bignum *a __unused)
{
return 0;
}
size_t crypto_bignum_num_bits(struct bignum *a __unused)
{
return 0;
}
/*
* crypto_bignum_allocate() and crypto_bignum_bin2bn() failing should be
* enough to guarantee that the functions calling this function aren't
* called, but just in case add a panic() here to avoid unexpected
* behavoir.
*/
static void bignum_cant_happen(void)
{
volatile bool b = true;
/* Avoid warning about function does not return */
if (b)
panic();
}
void crypto_bignum_bn2bin(const struct bignum *from __unused,
uint8_t *to __unused)
{
bignum_cant_happen();
}
void crypto_bignum_copy(struct bignum *to __unused,
const struct bignum *from __unused)
{
bignum_cant_happen();
}
void crypto_bignum_free(struct bignum *a)
{
if (a)
panic();
}
void crypto_bignum_clear(struct bignum *a __unused)
{
bignum_cant_happen();
}
/* return -1 if a<b, 0 if a==b, +1 if a>b */
int32_t crypto_bignum_compare(struct bignum *a __unused,
struct bignum *b __unused)
{
bignum_cant_happen();
return -1;
}
#endif /*!_CFG_CRYPTO_WITH_ACIPHER*/
|
