160 lines
4.0 KiB
C
160 lines
4.0 KiB
C
/*
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* AEAD: Authenticated Encryption with Associated Data
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*
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* Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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*/
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#ifndef _CRYPTO_INTERNAL_AEAD_H
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#define _CRYPTO_INTERNAL_AEAD_H
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#include <crypto/aead.h>
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#include <crypto/algapi.h>
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#include <linux/types.h>
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struct rtattr;
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struct aead_instance {
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struct aead_alg alg;
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};
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struct crypto_aead_spawn {
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struct crypto_spawn base;
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};
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extern const struct crypto_type crypto_aead_type;
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extern const struct crypto_type crypto_nivaead_type;
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static inline void *crypto_aead_ctx(struct crypto_aead *tfm)
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{
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return crypto_tfm_ctx(&tfm->base);
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}
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static inline struct crypto_instance *crypto_aead_alg_instance(
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struct crypto_aead *aead)
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{
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return crypto_tfm_alg_instance(&aead->base);
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}
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static inline struct crypto_instance *aead_crypto_instance(
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struct aead_instance *inst)
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{
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return container_of(&inst->alg.base, struct crypto_instance, alg);
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}
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static inline struct aead_instance *aead_instance(struct crypto_instance *inst)
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{
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return container_of(&inst->alg, struct aead_instance, alg.base);
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}
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static inline struct aead_instance *aead_alg_instance(struct crypto_aead *aead)
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{
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return aead_instance(crypto_aead_alg_instance(aead));
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}
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static inline void *aead_instance_ctx(struct aead_instance *inst)
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{
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return crypto_instance_ctx(aead_crypto_instance(inst));
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}
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static inline void *aead_request_ctx(struct aead_request *req)
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{
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return req->__ctx;
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}
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static inline void aead_request_complete(struct aead_request *req, int err)
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{
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req->base.complete(&req->base, err);
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}
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static inline u32 aead_request_flags(struct aead_request *req)
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{
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return req->base.flags;
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}
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static inline void crypto_set_aead_spawn(
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struct crypto_aead_spawn *spawn, struct crypto_instance *inst)
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{
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crypto_set_spawn(&spawn->base, inst);
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}
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struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask);
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int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
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u32 type, u32 mask);
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static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn)
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{
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crypto_drop_spawn(&spawn->base);
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}
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static inline struct crypto_alg *crypto_aead_spawn_alg(
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struct crypto_aead_spawn *spawn)
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{
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return spawn->base.alg;
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}
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static inline struct aead_alg *crypto_spawn_aead_alg(
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struct crypto_aead_spawn *spawn)
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{
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return container_of(spawn->base.alg, struct aead_alg, base);
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}
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static inline struct crypto_aead *crypto_spawn_aead(
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struct crypto_aead_spawn *spawn)
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{
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return crypto_spawn_tfm2(&spawn->base);
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}
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struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
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struct rtattr **tb, u32 type, u32 mask);
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void aead_geniv_free(struct aead_instance *inst);
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int aead_geniv_init(struct crypto_tfm *tfm);
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void aead_geniv_exit(struct crypto_tfm *tfm);
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static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv)
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{
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return geniv->child;
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}
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static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req)
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{
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return aead_request_ctx(&req->areq);
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}
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static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
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int err)
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{
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aead_request_complete(&req->areq, err);
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}
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static inline void crypto_aead_set_reqsize(struct crypto_aead *aead,
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unsigned int reqsize)
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{
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crypto_aead_crt(aead)->reqsize = reqsize;
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}
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static inline unsigned int crypto_aead_alg_maxauthsize(struct aead_alg *alg)
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{
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return alg->base.cra_aead.encrypt ? alg->base.cra_aead.maxauthsize :
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alg->maxauthsize;
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}
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static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead)
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{
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return crypto_aead_alg_maxauthsize(crypto_aead_alg(aead));
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}
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int crypto_register_aead(struct aead_alg *alg);
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void crypto_unregister_aead(struct aead_alg *alg);
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int aead_register_instance(struct crypto_template *tmpl,
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struct aead_instance *inst);
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#endif /* _CRYPTO_INTERNAL_AEAD_H */
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