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
22 struct crypto_aead_spawn {
23 struct crypto_spawn base;
24 };
25
26 extern const struct crypto_type crypto_nivaead_type;
27
28 static inline void crypto_set_aead_spawn(
29 struct crypto_aead_spawn *spawn, struct crypto_instance *inst)
30 {
31 crypto_set_spawn(&spawn->base, inst);
32 }
33
34 int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
35 u32 type, u32 mask);
36
37 static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn)
38 {
39 crypto_drop_spawn(&spawn->base);
40 }
41
42 static inline struct crypto_alg *crypto_aead_spawn_alg(
43 struct crypto_aead_spawn *spawn)
44 {
45 return spawn->base.alg;
46 }
47
48 static inline struct crypto_aead *crypto_spawn_aead(
49 struct crypto_aead_spawn *spawn)
50 {
51 return __crypto_aead_cast(
52 crypto_spawn_tfm(&spawn->base, CRYPTO_ALG_TYPE_AEAD,
53 CRYPTO_ALG_TYPE_MASK));
54 }
55
56 struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl,
57 struct rtattr **tb, u32 type,
58 u32 mask);
59 void aead_geniv_free(struct crypto_instance *inst);
60 int aead_geniv_init(struct crypto_tfm *tfm);
61 void aead_geniv_exit(struct crypto_tfm *tfm);
62
63 static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv)
64 {
65 return crypto_aead_crt(geniv)->base;
66 }
67
68 static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req)
69 {
70 return aead_request_ctx(&req->areq);
71 }
72
73 static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
74 int err)
75 {
76 aead_request_complete(&req->areq, err);
77 }
78
79 #endif /* _CRYPTO_INTERNAL_AEAD_H */
80
81
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