Commit | Line | Data |
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5b6d2d7f HX |
1 | /* |
2 | * AEAD: Authenticated Encryption with Associated Data | |
3 | * | |
4 | * Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the Free | |
8 | * Software Foundation; either version 2 of the License, or (at your option) | |
9 | * any later version. | |
10 | * | |
11 | */ | |
12 | ||
13 | #ifndef _CRYPTO_INTERNAL_AEAD_H | |
14 | #define _CRYPTO_INTERNAL_AEAD_H | |
15 | ||
16 | #include <crypto/aead.h> | |
17 | #include <crypto/algapi.h> | |
18 | #include <linux/types.h> | |
19 | ||
20 | struct rtattr; | |
21 | ||
63293c61 HX |
22 | struct aead_instance { |
23 | struct aead_alg alg; | |
24 | }; | |
25 | ||
5b6d2d7f HX |
26 | struct crypto_aead_spawn { |
27 | struct crypto_spawn base; | |
28 | }; | |
29 | ||
5d1d65f8 | 30 | extern const struct crypto_type crypto_aead_type; |
5b6d2d7f HX |
31 | extern const struct crypto_type crypto_nivaead_type; |
32 | ||
5d1d65f8 HX |
33 | static inline void *crypto_aead_ctx(struct crypto_aead *tfm) |
34 | { | |
35 | return crypto_tfm_ctx(&tfm->base); | |
36 | } | |
37 | ||
38 | static inline struct crypto_instance *crypto_aead_alg_instance( | |
39 | struct crypto_aead *aead) | |
40 | { | |
41 | return crypto_tfm_alg_instance(&aead->base); | |
42 | } | |
43 | ||
63293c61 HX |
44 | static inline struct crypto_instance *aead_crypto_instance( |
45 | struct aead_instance *inst) | |
46 | { | |
47 | return container_of(&inst->alg.base, struct crypto_instance, alg); | |
48 | } | |
49 | ||
50 | static inline struct aead_instance *aead_instance(struct crypto_instance *inst) | |
51 | { | |
52 | return container_of(&inst->alg, struct aead_instance, alg.base); | |
53 | } | |
54 | ||
5c98d620 HX |
55 | static inline struct aead_instance *aead_alg_instance(struct crypto_aead *aead) |
56 | { | |
57 | return aead_instance(crypto_aead_alg_instance(aead)); | |
58 | } | |
59 | ||
63293c61 HX |
60 | static inline void *aead_instance_ctx(struct aead_instance *inst) |
61 | { | |
62 | return crypto_instance_ctx(aead_crypto_instance(inst)); | |
63 | } | |
64 | ||
5d1d65f8 HX |
65 | static inline void *aead_request_ctx(struct aead_request *req) |
66 | { | |
67 | return req->__ctx; | |
68 | } | |
69 | ||
70 | static inline void aead_request_complete(struct aead_request *req, int err) | |
71 | { | |
72 | req->base.complete(&req->base, err); | |
73 | } | |
74 | ||
75 | static inline u32 aead_request_flags(struct aead_request *req) | |
76 | { | |
77 | return req->base.flags; | |
78 | } | |
79 | ||
5b6d2d7f HX |
80 | static inline void crypto_set_aead_spawn( |
81 | struct crypto_aead_spawn *spawn, struct crypto_instance *inst) | |
82 | { | |
83 | crypto_set_spawn(&spawn->base, inst); | |
84 | } | |
85 | ||
1e122994 SK |
86 | struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask); |
87 | ||
d29ce988 HX |
88 | int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name, |
89 | u32 type, u32 mask); | |
90 | ||
5b6d2d7f HX |
91 | static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn) |
92 | { | |
93 | crypto_drop_spawn(&spawn->base); | |
94 | } | |
95 | ||
96 | static inline struct crypto_alg *crypto_aead_spawn_alg( | |
97 | struct crypto_aead_spawn *spawn) | |
98 | { | |
99 | return spawn->base.alg; | |
100 | } | |
101 | ||
63293c61 HX |
102 | static inline struct aead_alg *crypto_spawn_aead_alg( |
103 | struct crypto_aead_spawn *spawn) | |
104 | { | |
105 | return container_of(spawn->base.alg, struct aead_alg, base); | |
106 | } | |
107 | ||
5b6d2d7f HX |
108 | static inline struct crypto_aead *crypto_spawn_aead( |
109 | struct crypto_aead_spawn *spawn) | |
110 | { | |
5d1d65f8 | 111 | return crypto_spawn_tfm2(&spawn->base); |
5b6d2d7f HX |
112 | } |
113 | ||
856e3f40 HX |
114 | struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl, |
115 | struct rtattr **tb, u32 type, u32 mask); | |
116 | void aead_geniv_free(struct aead_instance *inst); | |
5b6d2d7f HX |
117 | int aead_geniv_init(struct crypto_tfm *tfm); |
118 | void aead_geniv_exit(struct crypto_tfm *tfm); | |
119 | ||
120 | static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv) | |
121 | { | |
5d1d65f8 | 122 | return geniv->child; |
5b6d2d7f HX |
123 | } |
124 | ||
125 | static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req) | |
126 | { | |
127 | return aead_request_ctx(&req->areq); | |
128 | } | |
129 | ||
130 | static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req, | |
131 | int err) | |
132 | { | |
133 | aead_request_complete(&req->areq, err); | |
134 | } | |
135 | ||
21b70134 HX |
136 | static inline void crypto_aead_set_reqsize(struct crypto_aead *aead, |
137 | unsigned int reqsize) | |
138 | { | |
139 | crypto_aead_crt(aead)->reqsize = reqsize; | |
140 | } | |
141 | ||
30e4c010 HX |
142 | static inline unsigned int crypto_aead_alg_maxauthsize(struct aead_alg *alg) |
143 | { | |
144 | return alg->base.cra_aead.encrypt ? alg->base.cra_aead.maxauthsize : | |
145 | alg->maxauthsize; | |
146 | } | |
147 | ||
f5695259 HX |
148 | static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead) |
149 | { | |
30e4c010 | 150 | return crypto_aead_alg_maxauthsize(crypto_aead_alg(aead)); |
f5695259 HX |
151 | } |
152 | ||
63293c61 | 153 | int crypto_register_aead(struct aead_alg *alg); |
43615369 | 154 | void crypto_unregister_aead(struct aead_alg *alg); |
63293c61 HX |
155 | int aead_register_instance(struct crypto_template *tmpl, |
156 | struct aead_instance *inst); | |
157 | ||
5b6d2d7f HX |
158 | #endif /* _CRYPTO_INTERNAL_AEAD_H */ |
159 |