---

yaml
---
r: 75981
b: refs/heads/master
c: 743edf5
h: refs/heads/master
i:
  75979: 00faefd
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 03bf712fb4defc7831c727d1e32d0269f7f96de0
+refs/heads/master: 743edf57272fd420348e148bf94f9e48ed6abb70

trunk/crypto/aead.c

@@ -77,6 +77,11 @@ static unsigned int crypto_aead_ctxsize(struct crypto_alg *alg, u32 type,
 	return alg->cra_ctxsize;
 }
 
+static int no_givdecrypt(struct aead_givcrypt_request *req)
+{
+	return -ENOSYS;
+}
+
 static int crypto_init_aead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 {
 	struct aead_alg *alg = &tfm->__crt_alg->cra_aead;
@@ -88,6 +93,8 @@ static int crypto_init_aead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 	crt->setkey = setkey;
 	crt->encrypt = alg->encrypt;
 	crt->decrypt = alg->decrypt;
+	crt->givencrypt = alg->givencrypt;
+	crt->givdecrypt = alg->givdecrypt ?: no_givdecrypt;
 	crt->ivsize = alg->ivsize;
 	crt->authsize = alg->maxauthsize;
 

trunk/include/crypto/aead.h

@@ -0,0 +1,38 @@
+/*
+ * 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_AEAD_H
+#define _CRYPTO_AEAD_H
+
+#include <linux/crypto.h>
+#include <linux/kernel.h>
+
+/**
+ *	struct aead_givcrypt_request - AEAD request with IV generation
+ *	@seq: Sequence number for IV generation
+ *	@giv: Space for generated IV
+ *	@areq: The AEAD request itself
+ */
+struct aead_givcrypt_request {
+	u64 seq;
+	u8 *giv;
+
+	struct aead_request areq;
+};
+
+static inline struct crypto_aead *aead_givcrypt_reqtfm(
+	struct aead_givcrypt_request *req)
+{
+	return crypto_aead_reqtfm(&req->areq);
+}
+
+#endif	/* _CRYPTO_AEAD_H */

trunk/include/linux/crypto.h

@@ -106,6 +106,7 @@ struct crypto_blkcipher;
 struct crypto_hash;
 struct crypto_tfm;
 struct crypto_type;
+struct aead_givcrypt_request;
 struct skcipher_givcrypt_request;
 
 typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err);
@@ -202,6 +203,8 @@ struct aead_alg {
 	int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize);
 	int (*encrypt)(struct aead_request *req);
 	int (*decrypt)(struct aead_request *req);
+	int (*givencrypt)(struct aead_givcrypt_request *req);
+	int (*givdecrypt)(struct aead_givcrypt_request *req);
 
 	unsigned int ivsize;
 	unsigned int maxauthsize;
@@ -348,6 +351,8 @@ struct aead_tfm {
 	              unsigned int keylen);
 	int (*encrypt)(struct aead_request *req);
 	int (*decrypt)(struct aead_request *req);
+	int (*givencrypt)(struct aead_givcrypt_request *req);
+	int (*givdecrypt)(struct aead_givcrypt_request *req);
 	unsigned int ivsize;
 	unsigned int authsize;
 	unsigned int reqsize;