diff options
Diffstat (limited to '')
| -rw-r--r-- | include/crypto/aead.h | 148 | ||||
| -rw-r--r-- | include/crypto/internal/aead.h | 42 | ||||
| -rw-r--r-- | include/crypto/internal/geniv.h | 2 |
3 files changed, 18 insertions, 174 deletions
diff --git a/include/crypto/aead.h b/include/crypto/aead.h index 14e35364cdfa..077cae1e6b51 100644 --- a/include/crypto/aead.h +++ b/include/crypto/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 @@ -71,14 +71,14 @@ * in the first scatter gather list entry pointing to a NULL buffer. */ +struct crypto_aead; + /** * struct aead_request - AEAD request * @base: Common attributes for async crypto requests - * @old: Boolean whether the old or new AEAD API is used * @assoclen: Length in bytes of associated data for authentication * @cryptlen: Length of data to be encrypted or decrypted * @iv: Initialisation vector - * @assoc: Associated data * @src: Source data * @dst: Destination data * @__ctx: Start of private context data @@ -86,14 +86,11 @@ struct aead_request { struct crypto_async_request base; - bool old; - unsigned int assoclen; unsigned int cryptlen; u8 *iv; - struct scatterlist *assoc; struct scatterlist *src; struct scatterlist *dst; @@ -101,19 +98,6 @@ struct aead_request { }; /** - * struct aead_givcrypt_request - AEAD request with IV generation - * @seq: Sequence number for IV generation - * @giv: Space for generated IV - * @areq: The AEAD request itself - */ -struct aead_givcrypt_request { - u64 seq; - u8 *giv; - - struct aead_request areq; -}; - -/** * struct aead_alg - AEAD cipher definition * @maxauthsize: Set the maximum authentication tag size supported by the * transformation. A transformation may support smaller tag sizes. @@ -165,16 +149,6 @@ struct aead_alg { }; struct crypto_aead { - int (*setkey)(struct crypto_aead *tfm, const u8 *key, - unsigned int keylen); - int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize); - int (*encrypt)(struct aead_request *req); - int (*decrypt)(struct aead_request *req); - int (*givencrypt)(struct aead_givcrypt_request *req); - int (*givdecrypt)(struct aead_givcrypt_request *req); - - struct crypto_aead *child; - unsigned int authsize; unsigned int reqsize; @@ -216,16 +190,6 @@ static inline void crypto_free_aead(struct crypto_aead *tfm) crypto_destroy_tfm(tfm, crypto_aead_tfm(tfm)); } -static inline struct crypto_aead *crypto_aead_crt(struct crypto_aead *tfm) -{ - return tfm; -} - -static inline struct old_aead_alg *crypto_old_aead_alg(struct crypto_aead *tfm) -{ - return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead; -} - static inline struct aead_alg *crypto_aead_alg(struct crypto_aead *tfm) { return container_of(crypto_aead_tfm(tfm)->__crt_alg, @@ -234,8 +198,7 @@ static inline struct aead_alg *crypto_aead_alg(struct crypto_aead *tfm) static inline unsigned int crypto_aead_alg_ivsize(struct aead_alg *alg) { - return alg->base.cra_aead.encrypt ? alg->base.cra_aead.ivsize : - alg->ivsize; + return alg->ivsize; } /** @@ -361,7 +324,7 @@ static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) */ static inline int crypto_aead_encrypt(struct aead_request *req) { - return crypto_aead_reqtfm(req)->encrypt(req); + return crypto_aead_alg(crypto_aead_reqtfm(req))->encrypt(req); } /** @@ -388,10 +351,12 @@ static inline int crypto_aead_encrypt(struct aead_request *req) */ static inline int crypto_aead_decrypt(struct aead_request *req) { - if (req->cryptlen < crypto_aead_authsize(crypto_aead_reqtfm(req))) + struct crypto_aead *aead = crypto_aead_reqtfm(req); + + if (req->cryptlen < crypto_aead_authsize(aead)) return -EINVAL; - return crypto_aead_reqtfm(req)->decrypt(req); + return crypto_aead_alg(aead)->decrypt(req); } /** @@ -411,7 +376,10 @@ static inline int crypto_aead_decrypt(struct aead_request *req) * * Return: number of bytes */ -unsigned int crypto_aead_reqsize(struct crypto_aead *tfm); +static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) +{ + return tfm->reqsize; +} /** * aead_request_set_tfm() - update cipher handle reference in request @@ -424,7 +392,7 @@ unsigned int crypto_aead_reqsize(struct crypto_aead *tfm); static inline void aead_request_set_tfm(struct aead_request *req, struct crypto_aead *tfm) { - req->base.tfm = crypto_aead_tfm(tfm->child); + req->base.tfm = crypto_aead_tfm(tfm); } /** @@ -550,23 +518,6 @@ static inline void aead_request_set_crypt(struct aead_request *req, } /** - * aead_request_set_assoc() - set the associated data scatter / gather list - * @req: request handle - * @assoc: associated data scatter / gather list - * @assoclen: number of bytes to process from @assoc - * - * Obsolete, do not use. - */ -static inline void aead_request_set_assoc(struct aead_request *req, - struct scatterlist *assoc, - unsigned int assoclen) -{ - req->assoc = assoc; - req->assoclen = assoclen; - req->old = true; -} - -/** * aead_request_set_ad - set associated data information * @req: request handle * @assoclen: number of bytes in associated data @@ -578,77 +529,6 @@ static inline void aead_request_set_ad(struct aead_request *req, unsigned int assoclen) { req->assoclen = assoclen; - req->old = false; -} - -static inline struct crypto_aead *aead_givcrypt_reqtfm( - struct aead_givcrypt_request *req) -{ - return crypto_aead_reqtfm(&req->areq); -} - -static inline int crypto_aead_givencrypt(struct aead_givcrypt_request *req) -{ - return aead_givcrypt_reqtfm(req)->givencrypt(req); -}; - -static inline int crypto_aead_givdecrypt(struct aead_givcrypt_request *req) -{ - return aead_givcrypt_reqtfm(req)->givdecrypt(req); -}; - -static inline void aead_givcrypt_set_tfm(struct aead_givcrypt_request *req, - struct crypto_aead *tfm) -{ - req->areq.base.tfm = crypto_aead_tfm(tfm); -} - -static inline struct aead_givcrypt_request *aead_givcrypt_alloc( - struct crypto_aead *tfm, gfp_t gfp) -{ - struct aead_givcrypt_request *req; - - req = kmalloc(sizeof(struct aead_givcrypt_request) + - crypto_aead_reqsize(tfm), gfp); - - if (likely(req)) - aead_givcrypt_set_tfm(req, tfm); - - return req; -} - -static inline void aead_givcrypt_free(struct aead_givcrypt_request *req) -{ - kfree(req); -} - -static inline void aead_givcrypt_set_callback( - struct aead_givcrypt_request *req, u32 flags, - crypto_completion_t compl, void *data) -{ - aead_request_set_callback(&req->areq, flags, compl, data); -} - -static inline void aead_givcrypt_set_crypt(struct aead_givcrypt_request *req, - struct scatterlist *src, - struct scatterlist *dst, - unsigned int nbytes, void *iv) -{ - aead_request_set_crypt(&req->areq, src, dst, nbytes, iv); -} - -static inline void aead_givcrypt_set_assoc(struct aead_givcrypt_request *req, - struct scatterlist *assoc, - unsigned int assoclen) -{ - aead_request_set_assoc(&req->areq, assoc, assoclen); -} - -static inline void aead_givcrypt_set_giv(struct aead_givcrypt_request *req, - u8 *giv, u64 seq) -{ - req->giv = giv; - req->seq = seq; } #endif /* _CRYPTO_AEAD_H */ diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h index 49f3179b8a17..5554cdd8d6c1 100644 --- a/include/crypto/internal/aead.h +++ b/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 @@ -39,20 +39,11 @@ struct aead_queue { struct crypto_queue base; }; -extern const struct crypto_type crypto_aead_type; -extern const struct crypto_type crypto_nivaead_type; - static inline void *crypto_aead_ctx(struct crypto_aead *tfm) { return crypto_tfm_ctx(&tfm->base); } -static inline struct crypto_instance *crypto_aead_alg_instance( - struct crypto_aead *aead) -{ - return crypto_tfm_alg_instance(&aead->base); -} - static inline struct crypto_instance *aead_crypto_instance( struct aead_instance *inst) { @@ -66,7 +57,7 @@ static inline struct aead_instance *aead_instance(struct crypto_instance *inst) static inline struct aead_instance *aead_alg_instance(struct crypto_aead *aead) { - return aead_instance(crypto_aead_alg_instance(aead)); + return aead_instance(crypto_tfm_alg_instance(&aead->base)); } static inline void *aead_instance_ctx(struct aead_instance *inst) @@ -95,8 +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); @@ -105,12 +94,6 @@ 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( - struct crypto_aead_spawn *spawn) -{ - return spawn->base.alg; -} - static inline struct aead_alg *crypto_spawn_aead_alg( struct crypto_aead_spawn *spawn) { @@ -123,32 +106,15 @@ static inline struct crypto_aead *crypto_spawn_aead( return crypto_spawn_tfm2(&spawn->base); } -static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv) -{ - return geniv->child; -} - -static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req) -{ - return aead_request_ctx(&req->areq); -} - -static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req, - int err) -{ - aead_request_complete(&req->areq, err); -} - static inline void crypto_aead_set_reqsize(struct crypto_aead *aead, unsigned int reqsize) { - crypto_aead_crt(aead)->reqsize = reqsize; + aead->reqsize = reqsize; } static inline unsigned int crypto_aead_alg_maxauthsize(struct aead_alg *alg) { - return alg->base.cra_aead.encrypt ? alg->base.cra_aead.maxauthsize : - alg->maxauthsize; + return alg->maxauthsize; } static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead) diff --git a/include/crypto/internal/geniv.h b/include/crypto/internal/geniv.h index b9c55bef7b6d..59333635e712 100644 --- a/include/crypto/internal/geniv.h +++ b/include/crypto/internal/geniv.h @@ -27,8 +27,6 @@ struct aead_geniv_ctx { struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl, struct rtattr **tb, u32 type, u32 mask); void aead_geniv_free(struct aead_instance *inst); -int aead_geniv_init(struct crypto_tfm *tfm); -void aead_geniv_exit(struct crypto_tfm *tfm); int aead_init_geniv(struct crypto_aead *tfm); void aead_exit_geniv(struct crypto_aead *tfm); |