2 * AEAD: Authenticated Encryption with Associated Data
4 * Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
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)
13 #ifndef _CRYPTO_INTERNAL_AEAD_H
14 #define _CRYPTO_INTERNAL_AEAD_H
16 #include <crypto/aead.h>
17 #include <crypto/algapi.h>
18 #include <linux/types.h>
22 struct crypto_aead_spawn {
23 struct crypto_spawn base;
26 extern const struct crypto_type crypto_aead_type;
27 extern const struct crypto_type crypto_nivaead_type;
29 static inline struct old_aead_alg *crypto_old_aead_alg(struct crypto_aead *tfm)
31 return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;
34 static inline struct aead_alg *crypto_aead_alg(struct crypto_aead *tfm)
36 return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;
39 static inline void *crypto_aead_ctx(struct crypto_aead *tfm)
41 return crypto_tfm_ctx(&tfm->base);
44 static inline struct crypto_instance *crypto_aead_alg_instance(
45 struct crypto_aead *aead)
47 return crypto_tfm_alg_instance(&aead->base);
50 static inline void *aead_request_ctx(struct aead_request *req)
55 static inline void aead_request_complete(struct aead_request *req, int err)
57 req->base.complete(&req->base, err);
60 static inline u32 aead_request_flags(struct aead_request *req)
62 return req->base.flags;
65 static inline void crypto_set_aead_spawn(
66 struct crypto_aead_spawn *spawn, struct crypto_instance *inst)
68 crypto_set_spawn(&spawn->base, inst);
71 struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask);
73 int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
76 static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn)
78 crypto_drop_spawn(&spawn->base);
81 static inline struct crypto_alg *crypto_aead_spawn_alg(
82 struct crypto_aead_spawn *spawn)
84 return spawn->base.alg;
87 static inline struct crypto_aead *crypto_spawn_aead(
88 struct crypto_aead_spawn *spawn)
90 return crypto_spawn_tfm2(&spawn->base);
93 struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl,
94 struct rtattr **tb, u32 type,
96 void aead_geniv_free(struct crypto_instance *inst);
97 int aead_geniv_init(struct crypto_tfm *tfm);
98 void aead_geniv_exit(struct crypto_tfm *tfm);
100 static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv)
105 static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req)
107 return aead_request_ctx(&req->areq);
110 static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
113 aead_request_complete(&req->areq, err);
116 static inline void crypto_aead_set_reqsize(struct crypto_aead *aead,
117 unsigned int reqsize)
119 crypto_aead_crt(aead)->reqsize = reqsize;
122 static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead)
124 return crypto_old_aead_alg(aead)->maxauthsize;
127 #endif /* _CRYPTO_INTERNAL_AEAD_H */