summaryrefslogtreecommitdiffstats
path: root/include/crypto/internal/hash.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/crypto/internal/hash.h')
-rw-r--r--include/crypto/internal/hash.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
new file mode 100644
index 00000000000..917ae57bad4
--- /dev/null
+++ b/include/crypto/internal/hash.h
@@ -0,0 +1,78 @@
+/*
+ * Hash algorithms.
+ *
+ * Copyright (c) 2008 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
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+
+#ifndef _CRYPTO_INTERNAL_HASH_H
+#define _CRYPTO_INTERNAL_HASH_H
+
+#include <crypto/algapi.h>
+#include <crypto/hash.h>
+
+struct ahash_request;
+struct scatterlist;
+
+struct crypto_hash_walk {
+ char *data;
+
+ unsigned int offset;
+ unsigned int alignmask;
+
+ struct page *pg;
+ unsigned int entrylen;
+
+ unsigned int total;
+ struct scatterlist *sg;
+
+ unsigned int flags;
+};
+
+extern const struct crypto_type crypto_ahash_type;
+
+int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err);
+int crypto_hash_walk_first(struct ahash_request *req,
+ struct crypto_hash_walk *walk);
+
+static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
+{
+ return crypto_tfm_ctx(&tfm->base);
+}
+
+static inline struct ahash_alg *crypto_ahash_alg(
+ struct crypto_ahash *tfm)
+{
+ return &crypto_ahash_tfm(tfm)->__crt_alg->cra_ahash;
+}
+
+static inline int ahash_enqueue_request(struct crypto_queue *queue,
+ struct ahash_request *request)
+{
+ return crypto_enqueue_request(queue, &request->base);
+}
+
+static inline struct ahash_request *ahash_dequeue_request(
+ struct crypto_queue *queue)
+{
+ return ahash_request_cast(crypto_dequeue_request(queue));
+}
+
+static inline void *ahash_request_ctx(struct ahash_request *req)
+{
+ return req->__ctx;
+}
+
+static inline int ahash_tfm_in_queue(struct crypto_queue *queue,
+ struct crypto_ahash *tfm)
+{
+ return crypto_tfm_in_queue(queue, crypto_ahash_tfm(tfm));
+}
+
+#endif /* _CRYPTO_INTERNAL_HASH_H */
+