diff options
Diffstat (limited to 'kernel/include/crypto/internal/aead.h')
-rw-r--r-- | kernel/include/crypto/internal/aead.h | 126 |
1 files changed, 104 insertions, 22 deletions
diff --git a/kernel/include/crypto/internal/aead.h b/kernel/include/crypto/internal/aead.h index 2eba34023..5554cdd8d 100644 --- a/kernel/include/crypto/internal/aead.h +++ b/kernel/include/crypto/internal/aead.h @@ -1,7 +1,7 @@ /* * AEAD: Authenticated Encryption with Associated Data * - * Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au> + * Copyright (c) 2007-2015 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 @@ -15,15 +15,70 @@ #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; }; -extern const struct crypto_type crypto_nivaead_type; +struct aead_queue { + struct crypto_queue base; +}; + +static inline void *crypto_aead_ctx(struct crypto_aead *tfm) +{ + return crypto_tfm_ctx(&tfm->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_tfm_alg_instance(&aead->base)); +} + +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) @@ -31,8 +86,6 @@ static inline void crypto_set_aead_spawn( 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); @@ -41,42 +94,71 @@ 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( +static inline struct aead_alg *crypto_spawn_aead_alg( struct crypto_aead_spawn *spawn) { - return spawn->base.alg; + 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_aead_cast( - crypto_spawn_tfm(&spawn->base, CRYPTO_ALG_TYPE_AEAD, - CRYPTO_ALG_TYPE_MASK)); + return crypto_spawn_tfm2(&spawn->base); +} + +static inline void crypto_aead_set_reqsize(struct crypto_aead *aead, + unsigned int reqsize) +{ + aead->reqsize = reqsize; +} + +static inline unsigned int crypto_aead_alg_maxauthsize(struct aead_alg *alg) +{ + return alg->maxauthsize; } -struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl, - struct rtattr **tb, u32 type, - u32 mask); -void aead_geniv_free(struct crypto_instance *inst); -int aead_geniv_init(struct crypto_tfm *tfm); -void aead_geniv_exit(struct crypto_tfm *tfm); +static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead) +{ + return crypto_aead_alg_maxauthsize(crypto_aead_alg(aead)); +} -static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv) +static inline void aead_init_queue(struct aead_queue *queue, + unsigned int max_qlen) { - return crypto_aead_crt(geniv)->base; + crypto_init_queue(&queue->base, max_qlen); } -static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req) +static inline int aead_enqueue_request(struct aead_queue *queue, + struct aead_request *request) { - return aead_request_ctx(&req->areq); + return crypto_enqueue_request(&queue->base, &request->base); } -static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req, - int err) +static inline struct aead_request *aead_dequeue_request( + struct aead_queue *queue) { - aead_request_complete(&req->areq, err); + 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 */ |