#include <crypto/internal/hash.h>
#include <crypto/scatterwalk.h>
-#include <linux/bug.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
unsigned int nbytes = min(walk->entrylen,
((unsigned int)(PAGE_SIZE)) - offset);
- if (walk->flags & CRYPTO_ALG_ASYNC)
- walk->data = kmap(walk->pg);
- else
- walk->data = kmap_atomic(walk->pg);
+ walk->data = kmap_atomic(walk->pg);
walk->data += offset;
if (offset & alignmask) {
}
}
- if (walk->flags & CRYPTO_ALG_ASYNC)
- kunmap(walk->pg);
- else {
- kunmap_atomic(walk->data);
- /*
- * The may sleep test only makes sense for sync users.
- * Async users don't need to sleep here anyway.
- */
- crypto_yield(walk->flags);
- }
+ kunmap_atomic(walk->data);
+ crypto_yield(walk->flags);
if (err)
return err;
walk->alignmask = crypto_ahash_alignmask(crypto_ahash_reqtfm(req));
walk->sg = req->src;
- walk->flags = req->base.flags & CRYPTO_TFM_REQ_MASK;
+ walk->flags = req->base.flags;
return hash_walk_new_entry(walk);
}
EXPORT_SYMBOL_GPL(crypto_hash_walk_first);
-int crypto_ahash_walk_first(struct ahash_request *req,
- struct crypto_hash_walk *walk)
-{
- walk->total = req->nbytes;
-
- if (!walk->total) {
- walk->entrylen = 0;
- return 0;
- }
-
- walk->alignmask = crypto_ahash_alignmask(crypto_ahash_reqtfm(req));
- walk->sg = req->src;
- walk->flags = req->base.flags & CRYPTO_TFM_REQ_MASK;
- walk->flags |= CRYPTO_ALG_ASYNC;
-
- BUILD_BUG_ON(CRYPTO_TFM_REQ_MASK & CRYPTO_ALG_ASYNC);
-
- return hash_walk_new_entry(walk);
-}
-EXPORT_SYMBOL_GPL(crypto_ahash_walk_first);
-
static int ahash_setkey_unaligned(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen)
{
return ahash_def_finup_finish1(req, err);
}
+static void crypto_ahash_exit_tfm(struct crypto_tfm *tfm)
+{
+ struct crypto_ahash *hash = __crypto_ahash_cast(tfm);
+ struct ahash_alg *alg = crypto_ahash_alg(hash);
+
+ alg->exit_tfm(hash);
+}
+
static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
{
struct crypto_ahash *hash = __crypto_ahash_cast(tfm);
ahash_set_needkey(hash);
}
- return 0;
+ if (alg->exit_tfm)
+ tfm->exit = crypto_ahash_exit_tfm;
+
+ return alg->init_tfm ? alg->init_tfm(hash) : 0;
}
static unsigned int crypto_ahash_extsize(struct crypto_alg *alg)