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
crypto_set_aead_spawn(struct crypto_aead_spawn * spawn,struct crypto_instance * inst)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 struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask);
35
36 int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
37 u32 type, u32 mask);
38
crypto_drop_aead(struct crypto_aead_spawn * spawn)39 static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn)
40 {
41 crypto_drop_spawn(&spawn->base);
42 }
43
crypto_aead_spawn_alg(struct crypto_aead_spawn * spawn)44 static inline struct crypto_alg *crypto_aead_spawn_alg(
45 struct crypto_aead_spawn *spawn)
46 {
47 return spawn->base.alg;
48 }
49
crypto_spawn_aead(struct crypto_aead_spawn * spawn)50 static inline struct crypto_aead *crypto_spawn_aead(
51 struct crypto_aead_spawn *spawn)
52 {
53 return __crypto_aead_cast(
54 crypto_spawn_tfm(&spawn->base, CRYPTO_ALG_TYPE_AEAD,
55 CRYPTO_ALG_TYPE_MASK));
56 }
57
58 struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl,
59 struct rtattr **tb, u32 type,
60 u32 mask);
61 void aead_geniv_free(struct crypto_instance *inst);
62 int aead_geniv_init(struct crypto_tfm *tfm);
63 void aead_geniv_exit(struct crypto_tfm *tfm);
64
aead_geniv_base(struct crypto_aead * geniv)65 static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv)
66 {
67 return crypto_aead_crt(geniv)->base;
68 }
69
aead_givcrypt_reqctx(struct aead_givcrypt_request * req)70 static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req)
71 {
72 return aead_request_ctx(&req->areq);
73 }
74
aead_givcrypt_complete(struct aead_givcrypt_request * req,int err)75 static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
76 int err)
77 {
78 aead_request_complete(&req->areq, err);
79 }
80
81 #endif /* _CRYPTO_INTERNAL_AEAD_H */
82
83