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
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
/*
* Copyright (c) 2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef included_vnet_crypto_crypto_h
#define included_vnet_crypto_crypto_h
#define VNET_CRYPTO_RING_SIZE 512
#include <vlib/vlib.h>
/* CRYPTO_ID, PRETTY_NAME, KEY_LENGTH_IN_BYTES */
#define foreach_crypto_cipher_alg \
_(DES_CBC, "des-cbc", 7) \
_(3DES_CBC, "3des-cbc", 24) \
_(AES_128_CBC, "aes-128-cbc", 16) \
_(AES_192_CBC, "aes-192-cbc", 24) \
_(AES_256_CBC, "aes-256-cbc", 32) \
_(AES_128_CTR, "aes-128-ctr", 16) \
_(AES_192_CTR, "aes-192-ctr", 24) \
_(AES_256_CTR, "aes-256-ctr", 32)
/* CRYPTO_ID, PRETTY_NAME, KEY_LENGTH_IN_BYTES */
#define foreach_crypto_aead_alg \
_(AES_128_GCM, "aes-128-gcm", 16) \
_(AES_192_GCM, "aes-192-gcm", 24) \
_(AES_256_GCM, "aes-256-gcm", 32)
#define foreach_crypto_hmac_alg \
_(MD5, "md5") \
_(SHA1, "sha-1") \
_(SHA224, "sha-224") \
_(SHA256, "sha-256") \
_(SHA384, "sha-384") \
_(SHA512, "sha-512")
#define foreach_crypto_op_type \
_(ENCRYPT, "encrypt") \
_(DECRYPT, "decrypt") \
_(AEAD_ENCRYPT, "aead-encrypt") \
_(AEAD_DECRYPT, "aead-decrypt") \
_(HMAC, "hmac")
typedef enum
{
#define _(n, s) VNET_CRYPTO_OP_TYPE_##n,
foreach_crypto_op_type
#undef _
VNET_CRYPTO_OP_N_TYPES,
} vnet_crypto_op_type_t;
#define foreach_crypto_op_status \
_(PENDING, "pending") \
_(COMPLETED, "completed") \
_(FAIL_NO_HANDLER, "no-handler") \
_(FAIL_BAD_HMAC, "bad-hmac") \
_(FAIL_DECRYPT, "decrypt-fail")
typedef enum
{
VNET_CRYPTO_KEY_OP_ADD,
VNET_CRYPTO_KEY_OP_DEL,
VNET_CRYPTO_KEY_OP_MODIFY,
} vnet_crypto_key_op_t;
typedef enum
{
#define _(n, s) VNET_CRYPTO_OP_STATUS_##n,
foreach_crypto_op_status
#undef _
VNET_CRYPTO_OP_N_STATUS,
} vnet_crypto_op_status_t;
/* *INDENT-OFF* */
typedef enum
{
VNET_CRYPTO_ALG_NONE = 0,
#define _(n, s, l) VNET_CRYPTO_ALG_##n,
foreach_crypto_cipher_alg
foreach_crypto_aead_alg
#undef _
#define _(n, s) VNET_CRYPTO_ALG_HMAC_##n,
foreach_crypto_hmac_alg
#undef _
VNET_CRYPTO_N_ALGS,
} vnet_crypto_alg_t;
typedef struct
{
u8 *data;
vnet_crypto_alg_t alg:8;
} vnet_crypto_key_t;
typedef enum
{
VNET_CRYPTO_OP_NONE = 0,
#define _(n, s, l) VNET_CRYPTO_OP_##n##_ENC, VNET_CRYPTO_OP_##n##_DEC,
foreach_crypto_cipher_alg
foreach_crypto_aead_alg
#undef _
#define _(n, s) VNET_CRYPTO_OP_##n##_HMAC,
foreach_crypto_hmac_alg
#undef _
VNET_CRYPTO_N_OP_IDS,
} vnet_crypto_op_id_t;
/* *INDENT-ON* */
typedef struct
{
char *name;
vnet_crypto_op_id_t op_by_type[VNET_CRYPTO_OP_N_TYPES];
} vnet_crypto_alg_data_t;
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
vnet_crypto_op_id_t op:16;
vnet_crypto_op_status_t status:8;
u8 flags;
#define VNET_CRYPTO_OP_FLAG_INIT_IV (1 << 0)
#define VNET_CRYPTO_OP_FLAG_HMAC_CHECK (1 << 1)
u32 key_index;
u32 len;
u16 aad_len;
u8 digest_len, tag_len;
u8 *iv;
u8 *src;
u8 *dst;
u8 *aad;
u8 *tag;
u8 *digest;
uword user_data;
} vnet_crypto_op_t;
typedef struct
{
vnet_crypto_op_type_t type;
vnet_crypto_alg_t alg;
u32 active_engine_index;
} vnet_crypto_op_data_t;
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
clib_bitmap_t *act_queues;
} vnet_crypto_thread_t;
typedef u32 vnet_crypto_key_index_t;
typedef u32 (vnet_crypto_ops_handler_t) (vlib_main_t * vm,
vnet_crypto_op_t * ops[], u32 n_ops);
typedef void (vnet_crypto_key_handler_t) (vlib_main_t * vm,
vnet_crypto_key_op_t kop,
vnet_crypto_key_index_t idx);
u32 vnet_crypto_register_engine (vlib_main_t * vm, char *name, int prio,
char *desc);
void vnet_crypto_register_ops_handler (vlib_main_t * vm, u32 engine_index,
vnet_crypto_op_id_t opt,
vnet_crypto_ops_handler_t * oph);
void vnet_crypto_register_key_handler (vlib_main_t * vm, u32 engine_index,
vnet_crypto_key_handler_t * keyh);
typedef struct
{
char *name;
char *desc;
int priority;
vnet_crypto_key_handler_t *key_op_handler;
vnet_crypto_ops_handler_t *ops_handlers[VNET_CRYPTO_N_OP_IDS];
} vnet_crypto_engine_t;
typedef struct
{
vnet_crypto_alg_data_t *algs;
vnet_crypto_thread_t *threads;
vnet_crypto_ops_handler_t **ops_handlers;
vnet_crypto_op_data_t opt_data[VNET_CRYPTO_N_OP_IDS];
vnet_crypto_engine_t *engines;
vnet_crypto_key_t *keys;
uword *engine_index_by_name;
uword *alg_index_by_name;
} vnet_crypto_main_t;
extern vnet_crypto_main_t crypto_main;
u32 vnet_crypto_submit_ops (vlib_main_t * vm, vnet_crypto_op_t ** jobs,
u32 n_jobs);
u32 vnet_crypto_process_ops (vlib_main_t * vm, vnet_crypto_op_t ops[],
u32 n_ops);
int vnet_crypto_set_handler (char *ops_handler_name, char *engine);
u32 vnet_crypto_key_add (vlib_main_t * vm, vnet_crypto_alg_t alg,
u8 * data, u16 length);
void vnet_crypto_key_del (vlib_main_t * vm, vnet_crypto_key_index_t index);
void vnet_crypto_key_modify (vlib_main_t * vm, vnet_crypto_key_index_t index,
vnet_crypto_alg_t alg, u8 * data, u16 len);
format_function_t format_vnet_crypto_alg;
format_function_t format_vnet_crypto_engine;
format_function_t format_vnet_crypto_op;
format_function_t format_vnet_crypto_op_type;
format_function_t format_vnet_crypto_op_status;
unformat_function_t unformat_vnet_crypto_alg;
static_always_inline void
vnet_crypto_op_init (vnet_crypto_op_t * op, vnet_crypto_op_id_t type)
{
if (CLIB_DEBUG > 0)
clib_memset (op, 0xfe, sizeof (*op));
op->op = type;
op->flags = 0;
op->key_index = ~0;
}
static_always_inline vnet_crypto_op_type_t
vnet_crypto_get_op_type (vnet_crypto_op_id_t id)
{
vnet_crypto_main_t *cm = &crypto_main;
vnet_crypto_op_data_t *od = vec_elt_at_index (cm->opt_data, id);
return od->type;
}
static_always_inline vnet_crypto_key_t *
vnet_crypto_get_key (vnet_crypto_key_index_t index)
{
vnet_crypto_main_t *cm = &crypto_main;
return vec_elt_at_index (cm->keys, index);
}
#endif /* included_vnet_crypto_crypto_h */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
