crypto: sha1-mb - async implementation for sha1-mb
authorMegha Dey <megha.dey@linux.intel.com>
Wed, 22 Jun 2016 01:21:46 +0000 (18:21 -0700)
committerHerbert Xu <herbert@gondor.apana.org.au>
Thu, 23 Jun 2016 10:29:55 +0000 (18:29 +0800)
Herbert wants the sha1-mb algorithm to have an async implementation:
https://lkml.org/lkml/2016/4/5/286.
Currently, sha1-mb uses an async interface for the outer algorithm
and a sync interface for the inner algorithm. This patch introduces
a async interface for even the inner algorithm.

Signed-off-by: Megha Dey <megha.dey@linux.intel.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
arch/x86/crypto/sha-mb/sha1_mb.c
crypto/mcryptd.c
include/crypto/internal/hash.h
include/crypto/mcryptd.h

index 0a464919542ca29bc7cad8f90106a5c2aed9292e..669cc37268e1c72051b6f38d01f2028893206a64 100644 (file)
@@ -80,10 +80,10 @@ struct sha1_mb_ctx {
 static inline struct mcryptd_hash_request_ctx
                *cast_hash_to_mcryptd_ctx(struct sha1_hash_ctx *hash_ctx)
 {
-       struct shash_desc *desc;
+       struct ahash_request *areq;
 
-       desc = container_of((void *) hash_ctx, struct shash_desc, __ctx);
-       return container_of(desc, struct mcryptd_hash_request_ctx, desc);
+       areq = container_of((void *) hash_ctx, struct ahash_request, __ctx);
+       return container_of(areq, struct mcryptd_hash_request_ctx, areq);
 }
 
 static inline struct ahash_request
@@ -93,7 +93,7 @@ static inline struct ahash_request
 }
 
 static void req_ctx_init(struct mcryptd_hash_request_ctx *rctx,
-                               struct shash_desc *desc)
+                               struct ahash_request *areq)
 {
        rctx->flag = HASH_UPDATE;
 }
@@ -375,9 +375,9 @@ static struct sha1_hash_ctx *sha1_ctx_mgr_flush(struct sha1_ctx_mgr *mgr)
        }
 }
 
-static int sha1_mb_init(struct shash_desc *desc)
+static int sha1_mb_init(struct ahash_request *areq)
 {
-       struct sha1_hash_ctx *sctx = shash_desc_ctx(desc);
+       struct sha1_hash_ctx *sctx = ahash_request_ctx(areq);
 
        hash_ctx_init(sctx);
        sctx->job.result_digest[0] = SHA1_H0;
@@ -395,7 +395,7 @@ static int sha1_mb_init(struct shash_desc *desc)
 static int sha1_mb_set_results(struct mcryptd_hash_request_ctx *rctx)
 {
        int     i;
-       struct  sha1_hash_ctx *sctx = shash_desc_ctx(&rctx->desc);
+       struct  sha1_hash_ctx *sctx = ahash_request_ctx(&rctx->areq);
        __be32  *dst = (__be32 *) rctx->out;
 
        for (i = 0; i < 5; ++i)
@@ -427,7 +427,7 @@ static int sha_finish_walk(struct mcryptd_hash_request_ctx **ret_rctx,
 
                }
                sha_ctx = (struct sha1_hash_ctx *)
-                                               shash_desc_ctx(&rctx->desc);
+                                               ahash_request_ctx(&rctx->areq);
                kernel_fpu_begin();
                sha_ctx = sha1_ctx_mgr_submit(cstate->mgr, sha_ctx,
                                                rctx->walk.data, nbytes, flag);
@@ -519,11 +519,10 @@ static void sha1_mb_add_list(struct mcryptd_hash_request_ctx *rctx,
        mcryptd_arm_flusher(cstate, delay);
 }
 
-static int sha1_mb_update(struct shash_desc *desc, const u8 *data,
-                         unsigned int len)
+static int sha1_mb_update(struct ahash_request *areq)
 {
        struct mcryptd_hash_request_ctx *rctx =
-               container_of(desc, struct mcryptd_hash_request_ctx, desc);
+               container_of(areq, struct mcryptd_hash_request_ctx, areq);
        struct mcryptd_alg_cstate *cstate =
                                this_cpu_ptr(sha1_mb_alg_state.alg_cstate);
 
@@ -539,7 +538,7 @@ static int sha1_mb_update(struct shash_desc *desc, const u8 *data,
        }
 
        /* need to init context */
-       req_ctx_init(rctx, desc);
+       req_ctx_init(rctx, areq);
 
        nbytes = crypto_ahash_walk_first(req, &rctx->walk);
 
@@ -552,7 +551,7 @@ static int sha1_mb_update(struct shash_desc *desc, const u8 *data,
                rctx->flag |= HASH_DONE;
 
        /* submit */
-       sha_ctx = (struct sha1_hash_ctx *) shash_desc_ctx(desc);
+       sha_ctx = (struct sha1_hash_ctx *) ahash_request_ctx(areq);
        sha1_mb_add_list(rctx, cstate);
        kernel_fpu_begin();
        sha_ctx = sha1_ctx_mgr_submit(cstate->mgr, sha_ctx, rctx->walk.data,
@@ -579,11 +578,10 @@ done:
        return ret;
 }
 
-static int sha1_mb_finup(struct shash_desc *desc, const u8 *data,
-                            unsigned int len, u8 *out)
+static int sha1_mb_finup(struct ahash_request *areq)
 {
        struct mcryptd_hash_request_ctx *rctx =
-               container_of(desc, struct mcryptd_hash_request_ctx, desc);
+               container_of(areq, struct mcryptd_hash_request_ctx, areq);
        struct mcryptd_alg_cstate *cstate =
                                this_cpu_ptr(sha1_mb_alg_state.alg_cstate);
 
@@ -598,7 +596,7 @@ static int sha1_mb_finup(struct shash_desc *desc, const u8 *data,
        }
 
        /* need to init context */
-       req_ctx_init(rctx, desc);
+       req_ctx_init(rctx, areq);
 
        nbytes = crypto_ahash_walk_first(req, &rctx->walk);
 
@@ -611,11 +609,10 @@ static int sha1_mb_finup(struct shash_desc *desc, const u8 *data,
                rctx->flag |= HASH_DONE;
                flag = HASH_LAST;
        }
-       rctx->out = out;
 
        /* submit */
        rctx->flag |= HASH_FINAL;
-       sha_ctx = (struct sha1_hash_ctx *) shash_desc_ctx(desc);
+       sha_ctx = (struct sha1_hash_ctx *) ahash_request_ctx(areq);
        sha1_mb_add_list(rctx, cstate);
 
        kernel_fpu_begin();
@@ -641,10 +638,10 @@ done:
        return ret;
 }
 
-static int sha1_mb_final(struct shash_desc *desc, u8 *out)
+static int sha1_mb_final(struct ahash_request *areq)
 {
        struct mcryptd_hash_request_ctx *rctx =
-               container_of(desc, struct mcryptd_hash_request_ctx, desc);
+               container_of(areq, struct mcryptd_hash_request_ctx, areq);
        struct mcryptd_alg_cstate *cstate =
                                this_cpu_ptr(sha1_mb_alg_state.alg_cstate);
 
@@ -659,12 +656,11 @@ static int sha1_mb_final(struct shash_desc *desc, u8 *out)
        }
 
        /* need to init context */
-       req_ctx_init(rctx, desc);
+       req_ctx_init(rctx, areq);
 
-       rctx->out = out;
        rctx->flag |= HASH_DONE | HASH_FINAL;
 
-       sha_ctx = (struct sha1_hash_ctx *) shash_desc_ctx(desc);
+       sha_ctx = (struct sha1_hash_ctx *) ahash_request_ctx(areq);
        /* flag HASH_FINAL and 0 data size */
        sha1_mb_add_list(rctx, cstate);
        kernel_fpu_begin();
@@ -691,48 +687,98 @@ done:
        return ret;
 }
 
-static int sha1_mb_export(struct shash_desc *desc, void *out)
+static int sha1_mb_export(struct ahash_request *areq, void *out)
 {
-       struct sha1_hash_ctx *sctx = shash_desc_ctx(desc);
+       struct sha1_hash_ctx *sctx = ahash_request_ctx(areq);
 
        memcpy(out, sctx, sizeof(*sctx));
 
        return 0;
 }
 
-static int sha1_mb_import(struct shash_desc *desc, const void *in)
+static int sha1_mb_import(struct ahash_request *areq, const void *in)
 {
-       struct sha1_hash_ctx *sctx = shash_desc_ctx(desc);
+       struct sha1_hash_ctx *sctx = ahash_request_ctx(areq);
 
        memcpy(sctx, in, sizeof(*sctx));
 
        return 0;
 }
 
+static int sha1_mb_async_init_tfm(struct crypto_tfm *tfm)
+{
+       struct mcryptd_ahash *mcryptd_tfm;
+       struct sha1_mb_ctx *ctx = crypto_tfm_ctx(tfm);
+       struct mcryptd_hash_ctx *mctx;
 
-static struct shash_alg sha1_mb_shash_alg = {
-       .digestsize     =       SHA1_DIGEST_SIZE,
+       mcryptd_tfm = mcryptd_alloc_ahash("__intel_sha1-mb",
+                                               CRYPTO_ALG_INTERNAL,
+                                               CRYPTO_ALG_INTERNAL);
+       if (IS_ERR(mcryptd_tfm))
+               return PTR_ERR(mcryptd_tfm);
+       mctx = crypto_ahash_ctx(&mcryptd_tfm->base);
+       mctx->alg_state = &sha1_mb_alg_state;
+       ctx->mcryptd_tfm = mcryptd_tfm;
+       crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
+                               sizeof(struct ahash_request) +
+                               crypto_ahash_reqsize(&mcryptd_tfm->base));
+
+       return 0;
+}
+
+static void sha1_mb_async_exit_tfm(struct crypto_tfm *tfm)
+{
+       struct sha1_mb_ctx *ctx = crypto_tfm_ctx(tfm);
+
+       mcryptd_free_ahash(ctx->mcryptd_tfm);
+}
+
+static int sha1_mb_areq_init_tfm(struct crypto_tfm *tfm)
+{
+       crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
+                               sizeof(struct ahash_request) +
+                               sizeof(struct sha1_hash_ctx));
+
+       return 0;
+}
+
+static void sha1_mb_areq_exit_tfm(struct crypto_tfm *tfm)
+{
+       struct sha1_mb_ctx *ctx = crypto_tfm_ctx(tfm);
+
+       mcryptd_free_ahash(ctx->mcryptd_tfm);
+}
+
+static struct ahash_alg sha1_mb_areq_alg = {
        .init           =       sha1_mb_init,
        .update         =       sha1_mb_update,
        .final          =       sha1_mb_final,
        .finup          =       sha1_mb_finup,
        .export         =       sha1_mb_export,
        .import         =       sha1_mb_import,
-       .descsize       =       sizeof(struct sha1_hash_ctx),
-       .statesize      =       sizeof(struct sha1_hash_ctx),
-       .base           =       {
-               .cra_name        = "__sha1-mb",
-               .cra_driver_name = "__intel_sha1-mb",
-               .cra_priority    = 100,
-               /*
-                * use ASYNC flag as some buffers in multi-buffer
-                * algo may not have completed before hashing thread sleep
-                */
-               .cra_flags       = CRYPTO_ALG_TYPE_SHASH | CRYPTO_ALG_ASYNC |
-                                  CRYPTO_ALG_INTERNAL,
-               .cra_blocksize   = SHA1_BLOCK_SIZE,
-               .cra_module      = THIS_MODULE,
-               .cra_list        = LIST_HEAD_INIT(sha1_mb_shash_alg.base.cra_list),
+       .halg           =       {
+               .digestsize     =       SHA1_DIGEST_SIZE,
+               .statesize      =       sizeof(struct sha1_hash_ctx),
+               .base           =       {
+                       .cra_name        = "__sha1-mb",
+                       .cra_driver_name = "__intel_sha1-mb",
+                       .cra_priority    = 100,
+                       /*
+                        * use ASYNC flag as some buffers in multi-buffer
+                        * algo may not have completed before hashing thread
+                        * sleep
+                        */
+                       .cra_flags      = CRYPTO_ALG_TYPE_AHASH |
+                                               CRYPTO_ALG_ASYNC |
+                                               CRYPTO_ALG_INTERNAL,
+                       .cra_blocksize  = SHA1_BLOCK_SIZE,
+                       .cra_module     = THIS_MODULE,
+                       .cra_list       = LIST_HEAD_INIT
+                                       (sha1_mb_areq_alg.halg.base.cra_list),
+                       .cra_init       = sha1_mb_areq_init_tfm,
+                       .cra_exit       = sha1_mb_areq_exit_tfm,
+                       .cra_ctxsize    = sizeof(struct sha1_hash_ctx),
+               }
        }
 };
 
@@ -817,46 +863,20 @@ static int sha1_mb_async_import(struct ahash_request *req, const void *in)
        struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
        struct sha1_mb_ctx *ctx = crypto_ahash_ctx(tfm);
        struct mcryptd_ahash *mcryptd_tfm = ctx->mcryptd_tfm;
-       struct crypto_shash *child = mcryptd_ahash_child(mcryptd_tfm);
+       struct crypto_ahash *child = mcryptd_ahash_child(mcryptd_tfm);
        struct mcryptd_hash_request_ctx *rctx;
-       struct shash_desc *desc;
+       struct ahash_request *areq;
 
        memcpy(mcryptd_req, req, sizeof(*req));
        ahash_request_set_tfm(mcryptd_req, &mcryptd_tfm->base);
        rctx = ahash_request_ctx(mcryptd_req);
-       desc = &rctx->desc;
-       desc->tfm = child;
-       desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
-
-       return crypto_ahash_import(mcryptd_req, in);
-}
-
-static int sha1_mb_async_init_tfm(struct crypto_tfm *tfm)
-{
-       struct mcryptd_ahash *mcryptd_tfm;
-       struct sha1_mb_ctx *ctx = crypto_tfm_ctx(tfm);
-       struct mcryptd_hash_ctx *mctx;
+       areq = &rctx->areq;
 
-       mcryptd_tfm = mcryptd_alloc_ahash("__intel_sha1-mb",
-                                         CRYPTO_ALG_INTERNAL,
-                                         CRYPTO_ALG_INTERNAL);
-       if (IS_ERR(mcryptd_tfm))
-               return PTR_ERR(mcryptd_tfm);
-       mctx = crypto_ahash_ctx(&mcryptd_tfm->base);
-       mctx->alg_state = &sha1_mb_alg_state;
-       ctx->mcryptd_tfm = mcryptd_tfm;
-       crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
-                                sizeof(struct ahash_request) +
-                                crypto_ahash_reqsize(&mcryptd_tfm->base));
-
-       return 0;
-}
-
-static void sha1_mb_async_exit_tfm(struct crypto_tfm *tfm)
-{
-       struct sha1_mb_ctx *ctx = crypto_tfm_ctx(tfm);
+       ahash_request_set_tfm(areq, child);
+       ahash_request_set_callback(areq, CRYPTO_TFM_REQ_MAY_SLEEP,
+                                       rctx->complete, req);
 
-       mcryptd_free_ahash(ctx->mcryptd_tfm);
+       return crypto_ahash_import(mcryptd_req, in);
 }
 
 static struct ahash_alg sha1_mb_async_alg = {
@@ -965,7 +985,7 @@ static int __init sha1_mb_mod_init(void)
        }
        sha1_mb_alg_state.flusher = &sha1_mb_flusher;
 
-       err = crypto_register_shash(&sha1_mb_shash_alg);
+       err = crypto_register_ahash(&sha1_mb_areq_alg);
        if (err)
                goto err2;
        err = crypto_register_ahash(&sha1_mb_async_alg);
@@ -975,7 +995,7 @@ static int __init sha1_mb_mod_init(void)
 
        return 0;
 err1:
-       crypto_unregister_shash(&sha1_mb_shash_alg);
+       crypto_unregister_ahash(&sha1_mb_areq_alg);
 err2:
        for_each_possible_cpu(cpu) {
                cpu_state = per_cpu_ptr(sha1_mb_alg_state.alg_cstate, cpu);
@@ -991,7 +1011,7 @@ static void __exit sha1_mb_mod_fini(void)
        struct mcryptd_alg_cstate *cpu_state;
 
        crypto_unregister_ahash(&sha1_mb_async_alg);
-       crypto_unregister_shash(&sha1_mb_shash_alg);
+       crypto_unregister_ahash(&sha1_mb_areq_alg);
        for_each_possible_cpu(cpu) {
                cpu_state = per_cpu_ptr(sha1_mb_alg_state.alg_cstate, cpu);
                kfree(cpu_state->mgr);
index c4eb9da49d4f55e856ea4199fd0442af77d9fd92..86fb59b109a996193eefde142abb89bc29e87258 100644 (file)
@@ -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;
index 49dae16f8929deec7e34adb3f66ef6b04767863d..1d4f365d8f03a439ab0e20caf27ae34ad6e13e74 100644 (file)
@@ -114,14 +114,10 @@ int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc);
 int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc);
 int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc);
 
-int shash_ahash_mcryptd_update(struct ahash_request *req,
-                              struct shash_desc *desc);
-int shash_ahash_mcryptd_final(struct ahash_request *req,
-                             struct shash_desc *desc);
-int shash_ahash_mcryptd_finup(struct ahash_request *req,
-                             struct shash_desc *desc);
-int shash_ahash_mcryptd_digest(struct ahash_request *req,
-                              struct shash_desc *desc);
+int ahash_mcryptd_update(struct ahash_request *desc);
+int ahash_mcryptd_final(struct ahash_request *desc);
+int ahash_mcryptd_finup(struct ahash_request *desc);
+int ahash_mcryptd_digest(struct ahash_request *desc);
 
 int crypto_init_shash_ops_async(struct crypto_tfm *tfm);
 
index c23ee1f7ee80621467466e3f303d2cb294f8f8c8..4a53c0d38cd2c48e105085966bf362fa1b54d93c 100644 (file)
@@ -39,7 +39,7 @@ struct mcryptd_instance_ctx {
 };
 
 struct mcryptd_hash_ctx {
-       struct crypto_shash *child;
+       struct crypto_ahash *child;
        struct mcryptd_alg_state *alg_state;
 };
 
@@ -59,13 +59,13 @@ struct mcryptd_hash_request_ctx {
        struct crypto_hash_walk walk;
        u8 *out;
        int flag;
-       struct shash_desc desc;
+       struct ahash_request areq;
 };
 
 struct mcryptd_ahash *mcryptd_alloc_ahash(const char *alg_name,
                                        u32 type, u32 mask);
-struct crypto_shash *mcryptd_ahash_child(struct mcryptd_ahash *tfm);
-struct shash_desc *mcryptd_shash_desc(struct ahash_request *req);
+struct crypto_ahash *mcryptd_ahash_child(struct mcryptd_ahash *tfm);
+struct ahash_request *mcryptd_ahash_desc(struct ahash_request *req);
 void mcryptd_free_ahash(struct mcryptd_ahash *tfm);
 void mcryptd_flusher(struct work_struct *work);