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authorHerbert Xu <herbert@gondor.apana.org.au>2015-08-14 15:30:41 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2015-08-17 16:53:50 +0800
commitb0d955ba4688fcba8112884931aea1f1e6f50f03 (patch)
treedcc5568c318a6ca8633aac1629ba08ee323581d3 /include/crypto
parent0a139416eed5f05118cb05aba37470de68c55272 (diff)
crypto: aead - Remove old AEAD interfaces
Now that the AEAD conversion is complete we can rip out the old AEAD interafce and associated code. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/aead.h148
-rw-r--r--include/crypto/internal/aead.h42
-rw-r--r--include/crypto/internal/geniv.h2
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);

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