diff options
Diffstat (limited to 'crypto/mcryptd.c')
-rw-r--r-- | crypto/mcryptd.c | 132 |
1 files changed, 56 insertions, 76 deletions
diff --git a/crypto/mcryptd.c b/crypto/mcryptd.c index c4eb9da..86fb59b 100644 --- a/crypto/mcryptd.c +++ b/crypto/mcryptd.c @@ -41,7 +41,7 @@ struct mcryptd_flush_list { static struct mcryptd_flush_list __percpu *mcryptd_flist; struct hashd_instance_ctx { - struct crypto_shash_spawn spawn; + struct crypto_ahash_spawn spawn; struct mcryptd_queue *queue; }; @@ -272,18 +272,18 @@ static int mcryptd_hash_init_tfm(struct crypto_tfm *tfm) { struct crypto_instance *inst = crypto_tfm_alg_instance(tfm); struct hashd_instance_ctx *ictx = crypto_instance_ctx(inst); - struct crypto_shash_spawn *spawn = &ictx->spawn; + struct crypto_ahash_spawn *spawn = &ictx->spawn; struct mcryptd_hash_ctx *ctx = crypto_tfm_ctx(tfm); - struct crypto_shash *hash; + struct crypto_ahash *hash; - hash = crypto_spawn_shash(spawn); + hash = crypto_spawn_ahash(spawn); if (IS_ERR(hash)) return PTR_ERR(hash); ctx->child = hash; crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm), sizeof(struct mcryptd_hash_request_ctx) + - crypto_shash_descsize(hash)); + crypto_ahash_reqsize(hash)); return 0; } @@ -291,21 +291,21 @@ static void mcryptd_hash_exit_tfm(struct crypto_tfm *tfm) { struct mcryptd_hash_ctx *ctx = crypto_tfm_ctx(tfm); - crypto_free_shash(ctx->child); + crypto_free_ahash(ctx->child); } static int mcryptd_hash_setkey(struct crypto_ahash *parent, const u8 *key, unsigned int keylen) { struct mcryptd_hash_ctx *ctx = crypto_ahash_ctx(parent); - struct crypto_shash *child = ctx->child; + struct crypto_ahash *child = ctx->child; int err; - crypto_shash_clear_flags(child, CRYPTO_TFM_REQ_MASK); - crypto_shash_set_flags(child, crypto_ahash_get_flags(parent) & + crypto_ahash_clear_flags(child, CRYPTO_TFM_REQ_MASK); + crypto_ahash_set_flags(child, crypto_ahash_get_flags(parent) & CRYPTO_TFM_REQ_MASK); - err = crypto_shash_setkey(child, key, keylen); - crypto_ahash_set_flags(parent, crypto_shash_get_flags(child) & + err = crypto_ahash_setkey(child, key, keylen); + crypto_ahash_set_flags(parent, crypto_ahash_get_flags(child) & CRYPTO_TFM_RES_MASK); return err; } @@ -331,20 +331,20 @@ static int mcryptd_hash_enqueue(struct ahash_request *req, static void mcryptd_hash_init(struct crypto_async_request *req_async, int err) { struct mcryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm); - struct crypto_shash *child = ctx->child; + struct crypto_ahash *child = ctx->child; struct ahash_request *req = ahash_request_cast(req_async); struct mcryptd_hash_request_ctx *rctx = ahash_request_ctx(req); - struct shash_desc *desc = &rctx->desc; + struct ahash_request *desc = &rctx->areq; if (unlikely(err == -EINPROGRESS)) goto out; - desc->tfm = child; - desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; + ahash_request_set_tfm(desc, child); + ahash_request_set_callback(desc, CRYPTO_TFM_REQ_MAY_SLEEP, + rctx->complete, req_async); - err = crypto_shash_init(desc); - - req->base.complete = rctx->complete; + rctx->out = req->result; + err = crypto_ahash_init(desc); out: local_bh_disable(); @@ -365,7 +365,8 @@ static void mcryptd_hash_update(struct crypto_async_request *req_async, int err) if (unlikely(err == -EINPROGRESS)) goto out; - err = shash_ahash_mcryptd_update(req, &rctx->desc); + rctx->out = req->result; + err = ahash_mcryptd_update(&rctx->areq); if (err) { req->base.complete = rctx->complete; goto out; @@ -391,7 +392,8 @@ static void mcryptd_hash_final(struct crypto_async_request *req_async, int err) if (unlikely(err == -EINPROGRESS)) goto out; - err = shash_ahash_mcryptd_final(req, &rctx->desc); + rctx->out = req->result; + err = ahash_mcryptd_final(&rctx->areq); if (err) { req->base.complete = rctx->complete; goto out; @@ -416,8 +418,8 @@ static void mcryptd_hash_finup(struct crypto_async_request *req_async, int err) if (unlikely(err == -EINPROGRESS)) goto out; - - err = shash_ahash_mcryptd_finup(req, &rctx->desc); + rctx->out = req->result; + err = ahash_mcryptd_finup(&rctx->areq); if (err) { req->base.complete = rctx->complete; @@ -439,25 +441,21 @@ static int mcryptd_hash_finup_enqueue(struct ahash_request *req) static void mcryptd_hash_digest(struct crypto_async_request *req_async, int err) { struct mcryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm); - struct crypto_shash *child = ctx->child; + struct crypto_ahash *child = ctx->child; struct ahash_request *req = ahash_request_cast(req_async); struct mcryptd_hash_request_ctx *rctx = ahash_request_ctx(req); - struct shash_desc *desc = &rctx->desc; + struct ahash_request *desc = &rctx->areq; if (unlikely(err == -EINPROGRESS)) goto out; - desc->tfm = child; - desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; /* check this again */ - - err = shash_ahash_mcryptd_digest(req, desc); + ahash_request_set_tfm(desc, child); + ahash_request_set_callback(desc, CRYPTO_TFM_REQ_MAY_SLEEP, + rctx->complete, req_async); - if (err) { - req->base.complete = rctx->complete; - goto out; - } + rctx->out = req->result; + err = ahash_mcryptd_digest(desc); - return; out: local_bh_disable(); rctx->complete(&req->base, err); @@ -473,14 +471,14 @@ static int mcryptd_hash_export(struct ahash_request *req, void *out) { struct mcryptd_hash_request_ctx *rctx = ahash_request_ctx(req); - return crypto_shash_export(&rctx->desc, out); + return crypto_ahash_export(&rctx->areq, out); } static int mcryptd_hash_import(struct ahash_request *req, const void *in) { struct mcryptd_hash_request_ctx *rctx = ahash_request_ctx(req); - return crypto_shash_import(&rctx->desc, in); + return crypto_ahash_import(&rctx->areq, in); } static int mcryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, @@ -488,7 +486,7 @@ static int mcryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, { struct hashd_instance_ctx *ctx; struct ahash_instance *inst; - struct shash_alg *salg; + struct hash_alg_common *halg; struct crypto_alg *alg; u32 type = 0; u32 mask = 0; @@ -496,11 +494,11 @@ static int mcryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, mcryptd_check_internal(tb, &type, &mask); - salg = shash_attr_alg(tb[1], type, mask); - if (IS_ERR(salg)) - return PTR_ERR(salg); + halg = ahash_attr_alg(tb[1], type, mask); + if (IS_ERR(halg)) + return PTR_ERR(halg); - alg = &salg->base; + alg = &halg->base; pr_debug("crypto: mcryptd hash alg: %s\n", alg->cra_name); inst = mcryptd_alloc_instance(alg, ahash_instance_headroom(), sizeof(*ctx)); @@ -511,7 +509,7 @@ static int mcryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, ctx = ahash_instance_ctx(inst); ctx->queue = queue; - err = crypto_init_shash_spawn(&ctx->spawn, salg, + err = crypto_init_ahash_spawn(&ctx->spawn, halg, ahash_crypto_instance(inst)); if (err) goto out_free_inst; @@ -521,8 +519,8 @@ static int mcryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, type |= CRYPTO_ALG_INTERNAL; inst->alg.halg.base.cra_flags = type; - inst->alg.halg.digestsize = salg->digestsize; - inst->alg.halg.statesize = salg->statesize; + inst->alg.halg.digestsize = halg->digestsize; + inst->alg.halg.statesize = halg->statesize; inst->alg.halg.base.cra_ctxsize = sizeof(struct mcryptd_hash_ctx); inst->alg.halg.base.cra_init = mcryptd_hash_init_tfm; @@ -539,7 +537,7 @@ static int mcryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, err = ahash_register_instance(tmpl, inst); if (err) { - crypto_drop_shash(&ctx->spawn); + crypto_drop_ahash(&ctx->spawn); out_free_inst: kfree(inst); } @@ -575,7 +573,7 @@ static void mcryptd_free(struct crypto_instance *inst) switch (inst->alg.cra_flags & CRYPTO_ALG_TYPE_MASK) { case CRYPTO_ALG_TYPE_AHASH: - crypto_drop_shash(&hctx->spawn); + crypto_drop_ahash(&hctx->spawn); kfree(ahash_instance(inst)); return; default: @@ -612,55 +610,38 @@ struct mcryptd_ahash *mcryptd_alloc_ahash(const char *alg_name, } EXPORT_SYMBOL_GPL(mcryptd_alloc_ahash); -int shash_ahash_mcryptd_digest(struct ahash_request *req, - struct shash_desc *desc) +int ahash_mcryptd_digest(struct ahash_request *desc) { int err; - err = crypto_shash_init(desc) ?: - shash_ahash_mcryptd_finup(req, desc); + err = crypto_ahash_init(desc) ?: + ahash_mcryptd_finup(desc); return err; } -EXPORT_SYMBOL_GPL(shash_ahash_mcryptd_digest); -int shash_ahash_mcryptd_update(struct ahash_request *req, - struct shash_desc *desc) +int ahash_mcryptd_update(struct ahash_request *desc) { - struct crypto_shash *tfm = desc->tfm; - struct shash_alg *shash = crypto_shash_alg(tfm); - /* alignment is to be done by multi-buffer crypto algorithm if needed */ - return shash->update(desc, NULL, 0); + return crypto_ahash_update(desc); } -EXPORT_SYMBOL_GPL(shash_ahash_mcryptd_update); -int shash_ahash_mcryptd_finup(struct ahash_request *req, - struct shash_desc *desc) +int ahash_mcryptd_finup(struct ahash_request *desc) { - struct crypto_shash *tfm = desc->tfm; - struct shash_alg *shash = crypto_shash_alg(tfm); - /* alignment is to be done by multi-buffer crypto algorithm if needed */ - return shash->finup(desc, NULL, 0, req->result); + return crypto_ahash_finup(desc); } -EXPORT_SYMBOL_GPL(shash_ahash_mcryptd_finup); -int shash_ahash_mcryptd_final(struct ahash_request *req, - struct shash_desc *desc) +int ahash_mcryptd_final(struct ahash_request *desc) { - struct crypto_shash *tfm = desc->tfm; - struct shash_alg *shash = crypto_shash_alg(tfm); - /* alignment is to be done by multi-buffer crypto algorithm if needed */ - return shash->final(desc, req->result); + return crypto_ahash_final(desc); } -EXPORT_SYMBOL_GPL(shash_ahash_mcryptd_final); -struct crypto_shash *mcryptd_ahash_child(struct mcryptd_ahash *tfm) +struct crypto_ahash *mcryptd_ahash_child(struct mcryptd_ahash *tfm) { struct mcryptd_hash_ctx *ctx = crypto_ahash_ctx(&tfm->base); @@ -668,12 +649,12 @@ struct crypto_shash *mcryptd_ahash_child(struct mcryptd_ahash *tfm) } EXPORT_SYMBOL_GPL(mcryptd_ahash_child); -struct shash_desc *mcryptd_shash_desc(struct ahash_request *req) +struct ahash_request *mcryptd_ahash_desc(struct ahash_request *req) { struct mcryptd_hash_request_ctx *rctx = ahash_request_ctx(req); - return &rctx->desc; + return &rctx->areq; } -EXPORT_SYMBOL_GPL(mcryptd_shash_desc); +EXPORT_SYMBOL_GPL(mcryptd_ahash_desc); void mcryptd_free_ahash(struct mcryptd_ahash *tfm) { @@ -681,7 +662,6 @@ void mcryptd_free_ahash(struct mcryptd_ahash *tfm) } EXPORT_SYMBOL_GPL(mcryptd_free_ahash); - static int __init mcryptd_init(void) { int err, cpu; |