1 files changed, 110 insertions, 0 deletions

diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
new file mode 100644
index 000000000000..2ba42cd7d6aa
--- /dev/null
+++ b/include/crypto/internal/skcipher.h
@@ -0,0 +1,110 @@
+/*
+ * Symmetric key ciphers.
+ * 
+ * Copyright (c) 2007 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_SKCIPHER_H
+#define _CRYPTO_INTERNAL_SKCIPHER_H
+
+#include <crypto/algapi.h>
+#include <crypto/skcipher.h>
+#include <linux/types.h>
+
+struct rtattr;
+
+struct crypto_skcipher_spawn {
+        struct crypto_spawn base;
+};
+
+extern const struct crypto_type crypto_givcipher_type;
+
+static inline void crypto_set_skcipher_spawn(
+        struct crypto_skcipher_spawn *spawn, struct crypto_instance *inst)
+{
+        crypto_set_spawn(&spawn->base, inst);
+}
+
+int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name,
+                         u32 type, u32 mask);
+
+static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn)
+{
+        crypto_drop_spawn(&spawn->base);
+}
+
+static inline struct crypto_alg *crypto_skcipher_spawn_alg(
+        struct crypto_skcipher_spawn *spawn)
+{
+        return spawn->base.alg;
+}
+
+static inline struct crypto_ablkcipher *crypto_spawn_skcipher(
+        struct crypto_skcipher_spawn *spawn)
+{
+        return __crypto_ablkcipher_cast(
+                crypto_spawn_tfm(&spawn->base, crypto_skcipher_type(0),
+                                 crypto_skcipher_mask(0)));
+}
+
+int skcipher_null_givencrypt(struct skcipher_givcrypt_request *req);
+int skcipher_null_givdecrypt(struct skcipher_givcrypt_request *req);
+const char *crypto_default_geniv(const struct crypto_alg *alg);
+
+struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl,
+                                             struct rtattr **tb, u32 type,
+                                             u32 mask);
+void skcipher_geniv_free(struct crypto_instance *inst);
+int skcipher_geniv_init(struct crypto_tfm *tfm);
+void skcipher_geniv_exit(struct crypto_tfm *tfm);
+
+static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
+        struct crypto_ablkcipher *geniv)
+{
+        return crypto_ablkcipher_crt(geniv)->base;
+}
+
+static inline int skcipher_enqueue_givcrypt(
+        struct crypto_queue *queue, struct skcipher_givcrypt_request *request)
+{
+        return ablkcipher_enqueue_request(queue, &request->creq);
+}
+
+static inline struct skcipher_givcrypt_request *skcipher_dequeue_givcrypt(
+        struct crypto_queue *queue)
+{
+        return container_of(ablkcipher_dequeue_request(queue),
+                            struct skcipher_givcrypt_request, creq);
+}
+
+static inline void *skcipher_givcrypt_reqctx(
+        struct skcipher_givcrypt_request *req)
+{
+        return ablkcipher_request_ctx(&req->creq);
+}
+
+static inline void ablkcipher_request_complete(struct ablkcipher_request *req,
+                                               int err)
+{
+        req->base.complete(&req->base, err);
+}
+
+static inline void skcipher_givcrypt_complete(
+        struct skcipher_givcrypt_request *req, int err)
+{
+        ablkcipher_request_complete(&req->creq, err);
+}
+
+static inline u32 ablkcipher_request_flags(struct ablkcipher_request *req)
+{
+        return req->base.flags;
+}
+
+#endif  /* _CRYPTO_INTERNAL_SKCIPHER_H */
+