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
|
/*
* AEAD: Authenticated Encryption with Associated Data
*
* Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
*/
#ifndef _CRYPTO_INTERNAL_AEAD_H
#define _CRYPTO_INTERNAL_AEAD_H
#include <crypto/aead.h>
#include <crypto/algapi.h>
#include <linux/stddef.h>
#include <linux/types.h>
struct rtattr;
struct aead_instance {
void (*free)(struct aead_instance *inst);
union {
struct {
char head[offsetof(struct aead_alg, base)];
struct crypto_instance base;
} s;
struct aead_alg alg;
};
};
struct crypto_aead_spawn {
struct crypto_spawn base;
};
struct aead_queue {
struct crypto_queue base;
};
extern const struct crypto_type crypto_aead_type;
extern const struct crypto_type crypto_nivaead_type;
static inline void *crypto_aead_ctx(struct crypto_aead *tfm)
{
return crypto_tfm_ctx(&tfm->base);
}
static inline struct crypto_instance *crypto_aead_alg_instance(
struct crypto_aead *aead)
{
return crypto_tfm_alg_instance(&aead->base);
}
static inline struct crypto_instance *aead_crypto_instance(
struct aead_instance *inst)
{
return container_of(&inst->alg.base, struct crypto_instance, alg);
}
static inline struct aead_instance *aead_instance(struct crypto_instance *inst)
{
return container_of(&inst->alg, struct aead_instance, alg.base);
}
static inline struct aead_instance *aead_alg_instance(struct crypto_aead *aead)
{
return aead_instance(crypto_aead_alg_instance(aead));
}
static inline void *aead_instance_ctx(struct aead_instance *inst)
{
return crypto_instance_ctx(aead_crypto_instance(inst));
}
static inline void *aead_request_ctx(struct aead_request *req)
{
return req->__ctx;
}
static inline void aead_request_complete(struct aead_request *req, int err)
{
req->base.complete(&req->base, err);
}
static inline u32 aead_request_flags(struct aead_request *req)
{
return req->base.flags;
}
static inline void crypto_set_aead_spawn(
struct crypto_aead_spawn *spawn, struct crypto_instance *inst)
{
crypto_set_spawn(&spawn->base, inst);
}
struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask);
int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
u32 type, u32 mask);
static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn)
{
crypto_drop_spawn(&spawn->base);
}
static inline struct crypto_alg *crypto_aead_spawn_alg(
struct crypto_aead_spawn *spawn)
{
return spawn->base.alg;
}
static inline struct aead_alg *crypto_spawn_aead_alg(
struct crypto_aead_spawn *spawn)
{
return container_of(spawn->base.alg, struct aead_alg, base);
}
static inline struct crypto_aead *crypto_spawn_aead(
struct crypto_aead_spawn *spawn)
{
return crypto_spawn_tfm2(&spawn->base);
}
static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv)
{
return geniv->child;
}
static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req)
{
return aead_request_ctx(&req->areq);
}
static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
int err)
{
aead_request_complete(&req->areq, err);
}
static inline void crypto_aead_set_reqsize(struct crypto_aead *aead,
unsigned int reqsize)
{
crypto_aead_crt(aead)->reqsize = reqsize;
}
static inline unsigned int crypto_aead_alg_maxauthsize(struct aead_alg *alg)
{
return alg->base.cra_aead.encrypt ? alg->base.cra_aead.maxauthsize :
alg->maxauthsize;
}
static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead)
{
return crypto_aead_alg_maxauthsize(crypto_aead_alg(aead));
}
static inline void aead_init_queue(struct aead_queue *queue,
unsigned int max_qlen)
{
crypto_init_queue(&queue->base, max_qlen);
}
static inline int aead_enqueue_request(struct aead_queue *queue,
struct aead_request *request)
{
return crypto_enqueue_request(&queue->base, &request->base);
}
static inline struct aead_request *aead_dequeue_request(
struct aead_queue *queue)
{
struct crypto_async_request *req;
req = crypto_dequeue_request(&queue->base);
return req ? container_of(req, struct aead_request, base) : NULL;
}
static inline struct aead_request *aead_get_backlog(struct aead_queue *queue)
{
struct crypto_async_request *req;
req = crypto_get_backlog(&queue->base);
return req ? container_of(req, struct aead_request, base) : NULL;
}
int crypto_register_aead(struct aead_alg *alg);
void crypto_unregister_aead(struct aead_alg *alg);
int crypto_register_aeads(struct aead_alg *algs, int count);
void crypto_unregister_aeads(struct aead_alg *algs, int count);
int aead_register_instance(struct crypto_template *tmpl,
struct aead_instance *inst);
#endif /* _CRYPTO_INTERNAL_AEAD_H */
|
