2 files changed, 86 insertions, 2 deletions

diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h
new file mode 100644
index 000000000000..eb4eee7a7804
--- /dev/null
+++ b/include/crypto/internal/aead.h
@@ -0,0 +1,77 @@
+/*
+ * AEAD: Authenticated Encryption with Associated Data
+ * 
+ * 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_AEAD_H
+#define _CRYPTO_INTERNAL_AEAD_H
+
+#include <crypto/aead.h>
+#include <crypto/algapi.h>
+#include <linux/types.h>
+
+struct rtattr;
+
+struct crypto_aead_spawn {
+        struct crypto_spawn base;
+};
+
+extern const struct crypto_type crypto_nivaead_type;
+
+static inline void crypto_set_aead_spawn(
+        struct crypto_aead_spawn *spawn, struct crypto_instance *inst)
+{
+        crypto_set_spawn(&spawn->base, inst);
+}
+
+static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn)
+{
+        crypto_drop_spawn(&spawn->base);
+}
+
+static inline struct crypto_alg *crypto_aead_spawn_alg(
+        struct crypto_aead_spawn *spawn)
+{
+        return spawn->base.alg;
+}
+
+static inline struct crypto_aead *crypto_spawn_aead(
+        struct crypto_aead_spawn *spawn)
+{
+        return __crypto_aead_cast(
+                crypto_spawn_tfm(&spawn->base, CRYPTO_ALG_TYPE_AEAD,
+                                 CRYPTO_ALG_TYPE_MASK));
+}
+
+struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl,
+                                         struct rtattr **tb, u32 type,
+                                         u32 mask);
+void aead_geniv_free(struct crypto_instance *inst);
+int aead_geniv_init(struct crypto_tfm *tfm);
+void aead_geniv_exit(struct crypto_tfm *tfm);
+
+static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv)
+{
+        return crypto_aead_crt(geniv)->base;
+}
+
+static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req)
+{
+        return aead_request_ctx(&req->areq);
+}
+
+static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
+                                          int err)
+{
+        aead_request_complete(&req->areq, err);
+}
+
+#endif  /* _CRYPTO_INTERNAL_AEAD_H */
+
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 7524928bff93..639385a9672d 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -206,6 +206,8 @@ struct aead_alg {
         int (*givencrypt)(struct aead_givcrypt_request *req);
         int (*givdecrypt)(struct aead_givcrypt_request *req);
 
+        const char *geniv;
+
         unsigned int ivsize;
         unsigned int maxauthsize;
 };
@@ -353,6 +355,9 @@ struct aead_tfm {
         int (*decrypt)(struct aead_request *req);
         int (*givencrypt)(struct aead_givcrypt_request *req);
         int (*givdecrypt)(struct aead_givcrypt_request *req);
+
+        struct crypto_aead *base;
+
         unsigned int ivsize;
         unsigned int authsize;
         unsigned int reqsize;
@@ -781,7 +786,9 @@ static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags)
 static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key,
                                      unsigned int keylen)
 {
-        return crypto_aead_crt(tfm)->setkey(tfm, key, keylen);
+        struct aead_tfm *crt = crypto_aead_crt(tfm);
+
+        return crt->setkey(crt->base, key, keylen);
 }
 
 int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize);
@@ -809,7 +816,7 @@ static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm)
 static inline void aead_request_set_tfm(struct aead_request *req,
                                         struct crypto_aead *tfm)
 {
-        req->base.tfm = crypto_aead_tfm(tfm);
+        req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base);
 }
 
 static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm,