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-rw-r--r--include/crypto/algapi.h22
-rw-r--r--include/crypto/internal/skcipher.h51
2 files changed, 69 insertions, 4 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 726a765e5ec..fda1759ffe2 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -111,6 +111,12 @@ void crypto_drop_spawn(struct crypto_spawn *spawn);
struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
u32 mask);
+static inline void crypto_set_spawn(struct crypto_spawn *spawn,
+ struct crypto_instance *inst)
+{
+ spawn->inst = inst;
+}
+
struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb);
int crypto_check_attr_type(struct rtattr **tb, u32 type);
const char *crypto_attr_alg_name(struct rtattr *rta);
@@ -195,10 +201,9 @@ static inline struct crypto_instance *crypto_aead_alg_instance(
static inline struct crypto_ablkcipher *crypto_spawn_ablkcipher(
struct crypto_spawn *spawn)
{
- u32 type = CRYPTO_ALG_TYPE_BLKCIPHER;
- u32 mask = CRYPTO_ALG_TYPE_BLKCIPHER_MASK;
-
- return __crypto_ablkcipher_cast(crypto_spawn_tfm(spawn, type, mask));
+ return __crypto_ablkcipher_cast(
+ crypto_spawn_tfm(spawn, crypto_skcipher_type(0),
+ crypto_skcipher_mask(0)));
}
static inline struct crypto_blkcipher *crypto_spawn_blkcipher(
@@ -308,5 +313,14 @@ static inline struct crypto_alg *crypto_get_attr_alg(struct rtattr **tb,
return crypto_attr_alg(tb[1], type, mask);
}
+/*
+ * Returns CRYPTO_ALG_ASYNC if type/mask requires the use of sync algorithms.
+ * Otherwise returns zero.
+ */
+static inline int crypto_requires_sync(u32 type, u32 mask)
+{
+ return (type ^ CRYPTO_ALG_ASYNC) & mask & CRYPTO_ALG_ASYNC;
+}
+
#endif /* _CRYPTO_ALGAPI_H */
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
new file mode 100644
index 00000000000..87879e64ff4
--- /dev/null
+++ b/include/crypto/internal/skcipher.h
@@ -0,0 +1,51 @@
+/*
+ * 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>
+
+struct crypto_skcipher_spawn {
+ struct crypto_spawn base;
+};
+
+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)));
+}
+
+#endif /* _CRYPTO_INTERNAL_SKCIPHER_H */
+