Initial commit; kernel source import

include/crypto/aead.h

@@ -0,0 +1,105 @@
+/*
+ * 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>
+#include <linux/slab.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);
+}
+
+static inline int crypto_aead_givencrypt(struct aead_givcrypt_request *req)
+{
+	struct aead_tfm *crt = crypto_aead_crt(aead_givcrypt_reqtfm(req));
+	return crt->givencrypt(req);
+};
+
+static inline int crypto_aead_givdecrypt(struct aead_givcrypt_request *req)
+{
+	struct aead_tfm *crt = crypto_aead_crt(aead_givcrypt_reqtfm(req));
+	return crt->givdecrypt(req);
+};
+
+static inline void aead_givcrypt_set_tfm(struct aead_givcrypt_request *req,
+					 struct crypto_aead *tfm)
+{
+	req->areq.base.tfm = crypto_aead_tfm(tfm);
+}
+
+static inline struct aead_givcrypt_request *aead_givcrypt_alloc(
+	struct crypto_aead *tfm, gfp_t gfp)
+{
+	struct aead_givcrypt_request *req;
+
+	req = kmalloc(sizeof(struct aead_givcrypt_request) +
+		      crypto_aead_reqsize(tfm), gfp);
+
+	if (likely(req))
+		aead_givcrypt_set_tfm(req, tfm);
+
+	return req;
+}
+
+static inline void aead_givcrypt_free(struct aead_givcrypt_request *req)
+{
+	kfree(req);
+}
+
+static inline void aead_givcrypt_set_callback(
+	struct aead_givcrypt_request *req, u32 flags,
+	crypto_completion_t complete, void *data)
+{
+	aead_request_set_callback(&req->areq, flags, complete, data);
+}
+
+static inline void aead_givcrypt_set_crypt(struct aead_givcrypt_request *req,
+					   struct scatterlist *src,
+					   struct scatterlist *dst,
+					   unsigned int nbytes, void *iv)
+{
+	aead_request_set_crypt(&req->areq, src, dst, nbytes, iv);
+}
+
+static inline void aead_givcrypt_set_assoc(struct aead_givcrypt_request *req,
+					   struct scatterlist *assoc,
+					   unsigned int assoclen)
+{
+	aead_request_set_assoc(&req->areq, assoc, assoclen);
+}
+
+static inline void aead_givcrypt_set_giv(struct aead_givcrypt_request *req,
+					 u8 *giv, u64 seq)
+{
+	req->giv = giv;
+	req->seq = seq;
+}
+
+#endif	/* _CRYPTO_AEAD_H */

include/crypto/aes.h

@@ -0,0 +1,39 @@
+/*
+ * Common values for AES algorithms
+ */
+
+#ifndef _CRYPTO_AES_H
+#define _CRYPTO_AES_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+
+#define AES_MIN_KEY_SIZE	16
+#define AES_MAX_KEY_SIZE	32
+#define AES_KEYSIZE_128		16
+#define AES_KEYSIZE_192		24
+#define AES_KEYSIZE_256		32
+#define AES_BLOCK_SIZE		16
+#define AES_MAX_KEYLENGTH	(15 * 16)
+#define AES_MAX_KEYLENGTH_U32	(AES_MAX_KEYLENGTH / sizeof(u32))
+
+/*
+ * Please ensure that the first two fields are 16-byte aligned
+ * relative to the start of the structure, i.e., don't move them!
+ */
+struct crypto_aes_ctx {
+	u32 key_enc[AES_MAX_KEYLENGTH_U32];
+	u32 key_dec[AES_MAX_KEYLENGTH_U32];
+	u32 key_length;
+};
+
+extern const u32 crypto_ft_tab[4][256];
+extern const u32 crypto_fl_tab[4][256];
+extern const u32 crypto_it_tab[4][256];
+extern const u32 crypto_il_tab[4][256];
+
+int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
+		unsigned int key_len);
+int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
+		unsigned int key_len);
+#endif

include/crypto/algapi.h

@@ -0,0 +1,390 @@
+/*
+ * Cryptographic API for algorithms (i.e., low-level API).
+ *
+ * Copyright (c) 2006 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_ALGAPI_H
+#define _CRYPTO_ALGAPI_H
+
+#include <linux/crypto.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
+#include <linux/skbuff.h>
+
+struct module;
+struct rtattr;
+struct seq_file;
+
+struct crypto_type {
+	unsigned int (*ctxsize)(struct crypto_alg *alg, u32 type, u32 mask);
+	unsigned int (*extsize)(struct crypto_alg *alg);
+	int (*init)(struct crypto_tfm *tfm, u32 type, u32 mask);
+	int (*init_tfm)(struct crypto_tfm *tfm);
+	void (*show)(struct seq_file *m, struct crypto_alg *alg);
+	int (*report)(struct sk_buff *skb, struct crypto_alg *alg);
+	struct crypto_alg *(*lookup)(const char *name, u32 type, u32 mask);
+
+	unsigned int type;
+	unsigned int maskclear;
+	unsigned int maskset;
+	unsigned int tfmsize;
+};
+
+struct crypto_instance {
+	struct crypto_alg alg;
+
+	struct crypto_template *tmpl;
+	struct hlist_node list;
+
+	void *__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
+struct crypto_template {
+	struct list_head list;
+	struct hlist_head instances;
+	struct module *module;
+
+	struct crypto_instance *(*alloc)(struct rtattr **tb);
+	void (*free)(struct crypto_instance *inst);
+	int (*create)(struct crypto_template *tmpl, struct rtattr **tb);
+
+	char name[CRYPTO_MAX_ALG_NAME];
+};
+
+struct crypto_spawn {
+	struct list_head list;
+	struct crypto_alg *alg;
+	struct crypto_instance *inst;
+	const struct crypto_type *frontend;
+	u32 mask;
+};
+
+struct crypto_queue {
+	struct list_head list;
+	struct list_head *backlog;
+
+	unsigned int qlen;
+	unsigned int max_qlen;
+};
+
+struct scatter_walk {
+	struct scatterlist *sg;
+	unsigned int offset;
+};
+
+struct blkcipher_walk {
+	union {
+		struct {
+			struct page *page;
+			unsigned long offset;
+		} phys;
+
+		struct {
+			u8 *page;
+			u8 *addr;
+		} virt;
+	} src, dst;
+
+	struct scatter_walk in;
+	unsigned int nbytes;
+
+	struct scatter_walk out;
+	unsigned int total;
+
+	void *page;
+	u8 *buffer;
+	u8 *iv;
+
+	int flags;
+	unsigned int blocksize;
+};
+
+struct ablkcipher_walk {
+	struct {
+		struct page *page;
+		unsigned int offset;
+	} src, dst;
+
+	struct scatter_walk	in;
+	unsigned int		nbytes;
+	struct scatter_walk	out;
+	unsigned int		total;
+	struct list_head	buffers;
+	u8			*iv_buffer;
+	u8			*iv;
+	int			flags;
+	unsigned int		blocksize;
+};
+
+extern const struct crypto_type crypto_ablkcipher_type;
+extern const struct crypto_type crypto_aead_type;
+extern const struct crypto_type crypto_blkcipher_type;
+
+void crypto_mod_put(struct crypto_alg *alg);
+
+int crypto_register_template(struct crypto_template *tmpl);
+void crypto_unregister_template(struct crypto_template *tmpl);
+struct crypto_template *crypto_lookup_template(const char *name);
+
+int crypto_register_instance(struct crypto_template *tmpl,
+			     struct crypto_instance *inst);
+int crypto_unregister_instance(struct crypto_alg *alg);
+
+int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
+		      struct crypto_instance *inst, u32 mask);
+int crypto_init_spawn2(struct crypto_spawn *spawn, struct crypto_alg *alg,
+		       struct crypto_instance *inst,
+		       const struct crypto_type *frontend);
+
+void crypto_drop_spawn(struct crypto_spawn *spawn);
+struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
+				    u32 mask);
+void *crypto_spawn_tfm2(struct crypto_spawn *spawn);
+
+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);
+struct crypto_alg *crypto_attr_alg2(struct rtattr *rta,
+				    const struct crypto_type *frontend,
+				    u32 type, u32 mask);
+
+static inline struct crypto_alg *crypto_attr_alg(struct rtattr *rta,
+						 u32 type, u32 mask)
+{
+	return crypto_attr_alg2(rta, NULL, type, mask);
+}
+
+int crypto_attr_u32(struct rtattr *rta, u32 *num);
+void *crypto_alloc_instance2(const char *name, struct crypto_alg *alg,
+			     unsigned int head);
+struct crypto_instance *crypto_alloc_instance(const char *name,
+					      struct crypto_alg *alg);
+
+void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen);
+int crypto_enqueue_request(struct crypto_queue *queue,
+			   struct crypto_async_request *request);
+void *__crypto_dequeue_request(struct crypto_queue *queue, unsigned int offset);
+struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue);
+int crypto_tfm_in_queue(struct crypto_queue *queue, struct crypto_tfm *tfm);
+
+/* These functions require the input/output to be aligned as u32. */
+void crypto_inc(u8 *a, unsigned int size);
+void crypto_xor(u8 *dst, const u8 *src, unsigned int size);
+
+int blkcipher_walk_done(struct blkcipher_desc *desc,
+			struct blkcipher_walk *walk, int err);
+int blkcipher_walk_virt(struct blkcipher_desc *desc,
+			struct blkcipher_walk *walk);
+int blkcipher_walk_phys(struct blkcipher_desc *desc,
+			struct blkcipher_walk *walk);
+int blkcipher_walk_virt_block(struct blkcipher_desc *desc,
+			      struct blkcipher_walk *walk,
+			      unsigned int blocksize);
+
+int ablkcipher_walk_done(struct ablkcipher_request *req,
+			 struct ablkcipher_walk *walk, int err);
+int ablkcipher_walk_phys(struct ablkcipher_request *req,
+			 struct ablkcipher_walk *walk);
+void __ablkcipher_walk_complete(struct ablkcipher_walk *walk);
+
+static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
+{
+	return PTR_ALIGN(crypto_tfm_ctx(tfm),
+			 crypto_tfm_alg_alignmask(tfm) + 1);
+}
+
+static inline struct crypto_instance *crypto_tfm_alg_instance(
+	struct crypto_tfm *tfm)
+{
+	return container_of(tfm->__crt_alg, struct crypto_instance, alg);
+}
+
+static inline void *crypto_instance_ctx(struct crypto_instance *inst)
+{
+	return inst->__ctx;
+}
+
+static inline struct ablkcipher_alg *crypto_ablkcipher_alg(
+	struct crypto_ablkcipher *tfm)
+{
+	return &crypto_ablkcipher_tfm(tfm)->__crt_alg->cra_ablkcipher;
+}
+
+static inline void *crypto_ablkcipher_ctx(struct crypto_ablkcipher *tfm)
+{
+	return crypto_tfm_ctx(&tfm->base);
+}
+
+static inline void *crypto_ablkcipher_ctx_aligned(struct crypto_ablkcipher *tfm)
+{
+	return crypto_tfm_ctx_aligned(&tfm->base);
+}
+
+static inline struct aead_alg *crypto_aead_alg(struct crypto_aead *tfm)
+{
+	return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;
+}
+
+static inline void *crypto_aead_ctx(struct crypto_aead *tfm)
+{
+	return crypto_tfm_ctx(&tfm->base);
+}
+
+static inline struct crypto_instance *crypto_aead_alg_instance(
+	struct crypto_aead *aead)
+{
+	return crypto_tfm_alg_instance(&aead->base);
+}
+
+static inline struct crypto_blkcipher *crypto_spawn_blkcipher(
+	struct crypto_spawn *spawn)
+{
+	u32 type = CRYPTO_ALG_TYPE_BLKCIPHER;
+	u32 mask = CRYPTO_ALG_TYPE_MASK;
+
+	return __crypto_blkcipher_cast(crypto_spawn_tfm(spawn, type, mask));
+}
+
+static inline void *crypto_blkcipher_ctx(struct crypto_blkcipher *tfm)
+{
+	return crypto_tfm_ctx(&tfm->base);
+}
+
+static inline void *crypto_blkcipher_ctx_aligned(struct crypto_blkcipher *tfm)
+{
+	return crypto_tfm_ctx_aligned(&tfm->base);
+}
+
+static inline struct crypto_cipher *crypto_spawn_cipher(
+	struct crypto_spawn *spawn)
+{
+	u32 type = CRYPTO_ALG_TYPE_CIPHER;
+	u32 mask = CRYPTO_ALG_TYPE_MASK;
+
+	return __crypto_cipher_cast(crypto_spawn_tfm(spawn, type, mask));
+}
+
+static inline struct cipher_alg *crypto_cipher_alg(struct crypto_cipher *tfm)
+{
+	return &crypto_cipher_tfm(tfm)->__crt_alg->cra_cipher;
+}
+
+static inline struct crypto_hash *crypto_spawn_hash(struct crypto_spawn *spawn)
+{
+	u32 type = CRYPTO_ALG_TYPE_HASH;
+	u32 mask = CRYPTO_ALG_TYPE_HASH_MASK;
+
+	return __crypto_hash_cast(crypto_spawn_tfm(spawn, type, mask));
+}
+
+static inline void *crypto_hash_ctx(struct crypto_hash *tfm)
+{
+	return crypto_tfm_ctx(&tfm->base);
+}
+
+static inline void *crypto_hash_ctx_aligned(struct crypto_hash *tfm)
+{
+	return crypto_tfm_ctx_aligned(&tfm->base);
+}
+
+static inline void blkcipher_walk_init(struct blkcipher_walk *walk,
+				       struct scatterlist *dst,
+				       struct scatterlist *src,
+				       unsigned int nbytes)
+{
+	walk->in.sg = src;
+	walk->out.sg = dst;
+	walk->total = nbytes;
+}
+
+static inline void ablkcipher_walk_init(struct ablkcipher_walk *walk,
+					struct scatterlist *dst,
+					struct scatterlist *src,
+					unsigned int nbytes)
+{
+	walk->in.sg = src;
+	walk->out.sg = dst;
+	walk->total = nbytes;
+	INIT_LIST_HEAD(&walk->buffers);
+}
+
+static inline void ablkcipher_walk_complete(struct ablkcipher_walk *walk)
+{
+	if (unlikely(!list_empty(&walk->buffers)))
+		__ablkcipher_walk_complete(walk);
+}
+
+static inline struct crypto_async_request *crypto_get_backlog(
+	struct crypto_queue *queue)
+{
+	return queue->backlog == &queue->list ? NULL :
+	       container_of(queue->backlog, struct crypto_async_request, list);
+}
+
+static inline int ablkcipher_enqueue_request(struct crypto_queue *queue,
+					     struct ablkcipher_request *request)
+{
+	return crypto_enqueue_request(queue, &request->base);
+}
+
+static inline struct ablkcipher_request *ablkcipher_dequeue_request(
+	struct crypto_queue *queue)
+{
+	return ablkcipher_request_cast(crypto_dequeue_request(queue));
+}
+
+static inline void *ablkcipher_request_ctx(struct ablkcipher_request *req)
+{
+	return req->__ctx;
+}
+
+static inline int ablkcipher_tfm_in_queue(struct crypto_queue *queue,
+					  struct crypto_ablkcipher *tfm)
+{
+	return crypto_tfm_in_queue(queue, crypto_ablkcipher_tfm(tfm));
+}
+
+static inline void *aead_request_ctx(struct aead_request *req)
+{
+	return req->__ctx;
+}
+
+static inline void aead_request_complete(struct aead_request *req, int err)
+{
+	req->base.complete(&req->base, err);
+}
+
+static inline u32 aead_request_flags(struct aead_request *req)
+{
+	return req->base.flags;
+}
+
+static inline struct crypto_alg *crypto_get_attr_alg(struct rtattr **tb,
+						     u32 type, u32 mask)
+{
+	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 */
+

include/crypto/authenc.h

@@ -0,0 +1,27 @@
+/*
+ * Authenc: Simple AEAD wrapper for IPsec
+ *
+ * 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_AUTHENC_H
+#define _CRYPTO_AUTHENC_H
+
+#include <linux/types.h>
+
+enum {
+	CRYPTO_AUTHENC_KEYA_UNSPEC,
+	CRYPTO_AUTHENC_KEYA_PARAM,
+};
+
+struct crypto_authenc_key_param {
+	__be32 enckeylen;
+};
+
+#endif	/* _CRYPTO_AUTHENC_H */
+

include/crypto/b128ops.h

@@ -0,0 +1,80 @@
+/* b128ops.h - common 128-bit block operations
+ *
+ * Copyright (c) 2003, Dr Brian Gladman, Worcester, UK.
+ * Copyright (c) 2006, Rik Snel <rsnel@cube.dyndns.org>
+ *
+ * Based on Dr Brian Gladman's (GPL'd) work published at
+ * http://fp.gladman.plus.com/cryptography_technology/index.htm
+ * See the original copyright notice below.
+ *
+ * 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.
+ */
+/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2003, Dr Brian Gladman, Worcester, UK.   All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software in both source and binary
+ form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products
+      built using this software without specific written permission.
+
+ ALTERNATIVELY, provided that this notice is retained in full, this product
+ may be distributed under the terms of the GNU General Public License (GPL),
+ in which case the provisions of the GPL apply INSTEAD OF those given above.
+
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 13/06/2006
+*/
+
+#ifndef _CRYPTO_B128OPS_H
+#define _CRYPTO_B128OPS_H
+
+#include <linux/types.h>
+
+typedef struct {
+	u64 a, b;
+} u128;
+
+typedef struct {
+	__be64 a, b;
+} be128;
+
+typedef struct {
+	__le64 b, a;
+} le128;
+
+static inline void u128_xor(u128 *r, const u128 *p, const u128 *q)
+{
+	r->a = p->a ^ q->a;
+	r->b = p->b ^ q->b;
+}
+
+static inline void be128_xor(be128 *r, const be128 *p, const be128 *q)
+{
+	u128_xor((u128 *)r, (u128 *)p, (u128 *)q);
+}
+
+static inline void le128_xor(le128 *r, const le128 *p, const le128 *q)
+{
+	u128_xor((u128 *)r, (u128 *)p, (u128 *)q);
+}
+
+#endif /* _CRYPTO_B128OPS_H */

include/crypto/blowfish.h

@@ -0,0 +1,23 @@
+/*
+ * Common values for blowfish algorithms
+ */
+
+#ifndef _CRYPTO_BLOWFISH_H
+#define _CRYPTO_BLOWFISH_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+
+#define BF_BLOCK_SIZE 8
+#define BF_MIN_KEY_SIZE 4
+#define BF_MAX_KEY_SIZE 56
+
+struct bf_ctx {
+	u32 p[18];
+	u32 s[1024];
+};
+
+int blowfish_setkey(struct crypto_tfm *tfm, const u8 *key,
+		    unsigned int key_len);
+
+#endif

include/crypto/cast5.h

@@ -0,0 +1,23 @@
+#ifndef _CRYPTO_CAST5_H
+#define _CRYPTO_CAST5_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+#include <crypto/cast_common.h>
+
+#define CAST5_BLOCK_SIZE 8
+#define CAST5_MIN_KEY_SIZE 5
+#define CAST5_MAX_KEY_SIZE 16
+
+struct cast5_ctx {
+	u32 Km[16];
+	u8 Kr[16];
+	int rr;	/* rr ? rounds = 12 : rounds = 16; (rfc 2144) */
+};
+
+int cast5_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
+
+void __cast5_encrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
+void __cast5_decrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
+
+#endif

include/crypto/cast6.h

@@ -0,0 +1,24 @@
+#ifndef _CRYPTO_CAST6_H
+#define _CRYPTO_CAST6_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+#include <crypto/cast_common.h>
+
+#define CAST6_BLOCK_SIZE 16
+#define CAST6_MIN_KEY_SIZE 16
+#define CAST6_MAX_KEY_SIZE 32
+
+struct cast6_ctx {
+	u32 Km[12][4];
+	u8 Kr[12][4];
+};
+
+int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key,
+		   unsigned int keylen, u32 *flags);
+int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
+
+void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
+void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
+
+#endif

include/crypto/cast_common.h

@@ -0,0 +1,9 @@
+#ifndef _CRYPTO_CAST_COMMON_H
+#define _CRYPTO_CAST_COMMON_H
+
+extern const u32 cast_s1[256];
+extern const u32 cast_s2[256];
+extern const u32 cast_s3[256];
+extern const u32 cast_s4[256];
+
+#endif

include/crypto/compress.h

@@ -0,0 +1,145 @@
+/*
+ * Compress: Compression algorithms under the cryptographic API.
+ *
+ * Copyright 2008 Sony Corporation
+ *
+ * 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _CRYPTO_COMPRESS_H
+#define _CRYPTO_COMPRESS_H
+
+#include <linux/crypto.h>
+
+
+struct comp_request {
+	const void *next_in;		/* next input byte */
+	void *next_out;			/* next output byte */
+	unsigned int avail_in;		/* bytes available at next_in */
+	unsigned int avail_out;		/* bytes available at next_out */
+};
+
+enum zlib_comp_params {
+	ZLIB_COMP_LEVEL = 1,		/* e.g. Z_DEFAULT_COMPRESSION */
+	ZLIB_COMP_METHOD,		/* e.g. Z_DEFLATED */
+	ZLIB_COMP_WINDOWBITS,		/* e.g. MAX_WBITS */
+	ZLIB_COMP_MEMLEVEL,		/* e.g. DEF_MEM_LEVEL */
+	ZLIB_COMP_STRATEGY,		/* e.g. Z_DEFAULT_STRATEGY */
+	__ZLIB_COMP_MAX,
+};
+
+#define ZLIB_COMP_MAX	(__ZLIB_COMP_MAX - 1)
+
+
+enum zlib_decomp_params {
+	ZLIB_DECOMP_WINDOWBITS = 1,	/* e.g. DEF_WBITS */
+	__ZLIB_DECOMP_MAX,
+};
+
+#define ZLIB_DECOMP_MAX	(__ZLIB_DECOMP_MAX - 1)
+
+
+struct crypto_pcomp {
+	struct crypto_tfm base;
+};
+
+struct pcomp_alg {
+	int (*compress_setup)(struct crypto_pcomp *tfm, void *params,
+			      unsigned int len);
+	int (*compress_init)(struct crypto_pcomp *tfm);
+	int (*compress_update)(struct crypto_pcomp *tfm,
+			       struct comp_request *req);
+	int (*compress_final)(struct crypto_pcomp *tfm,
+			      struct comp_request *req);
+	int (*decompress_setup)(struct crypto_pcomp *tfm, void *params,
+				unsigned int len);
+	int (*decompress_init)(struct crypto_pcomp *tfm);
+	int (*decompress_update)(struct crypto_pcomp *tfm,
+				 struct comp_request *req);
+	int (*decompress_final)(struct crypto_pcomp *tfm,
+				struct comp_request *req);
+
+	struct crypto_alg base;
+};
+
+extern struct crypto_pcomp *crypto_alloc_pcomp(const char *alg_name, u32 type,
+					       u32 mask);
+
+static inline struct crypto_tfm *crypto_pcomp_tfm(struct crypto_pcomp *tfm)
+{
+	return &tfm->base;
+}
+
+static inline void crypto_free_pcomp(struct crypto_pcomp *tfm)
+{
+	crypto_destroy_tfm(tfm, crypto_pcomp_tfm(tfm));
+}
+
+static inline struct pcomp_alg *__crypto_pcomp_alg(struct crypto_alg *alg)
+{
+	return container_of(alg, struct pcomp_alg, base);
+}
+
+static inline struct pcomp_alg *crypto_pcomp_alg(struct crypto_pcomp *tfm)
+{
+	return __crypto_pcomp_alg(crypto_pcomp_tfm(tfm)->__crt_alg);
+}
+
+static inline int crypto_compress_setup(struct crypto_pcomp *tfm,
+					void *params, unsigned int len)
+{
+	return crypto_pcomp_alg(tfm)->compress_setup(tfm, params, len);
+}
+
+static inline int crypto_compress_init(struct crypto_pcomp *tfm)
+{
+	return crypto_pcomp_alg(tfm)->compress_init(tfm);
+}
+
+static inline int crypto_compress_update(struct crypto_pcomp *tfm,
+					 struct comp_request *req)
+{
+	return crypto_pcomp_alg(tfm)->compress_update(tfm, req);
+}
+
+static inline int crypto_compress_final(struct crypto_pcomp *tfm,
+					struct comp_request *req)
+{
+	return crypto_pcomp_alg(tfm)->compress_final(tfm, req);
+}
+
+static inline int crypto_decompress_setup(struct crypto_pcomp *tfm,
+					  void *params, unsigned int len)
+{
+	return crypto_pcomp_alg(tfm)->decompress_setup(tfm, params, len);
+}
+
+static inline int crypto_decompress_init(struct crypto_pcomp *tfm)
+{
+	return crypto_pcomp_alg(tfm)->decompress_init(tfm);
+}
+
+static inline int crypto_decompress_update(struct crypto_pcomp *tfm,
+					   struct comp_request *req)
+{
+	return crypto_pcomp_alg(tfm)->decompress_update(tfm, req);
+}
+
+static inline int crypto_decompress_final(struct crypto_pcomp *tfm,
+					  struct comp_request *req)
+{
+	return crypto_pcomp_alg(tfm)->decompress_final(tfm, req);
+}
+
+#endif	/* _CRYPTO_COMPRESS_H */

include/crypto/cryptd.h

@@ -0,0 +1,69 @@
+/*
+ * Software async crypto daemon
+ *
+ * Added AEAD support to cryptd.
+ *    Authors: Tadeusz Struk (tadeusz.struk@intel.com)
+ *             Adrian Hoban <adrian.hoban@intel.com>
+ *             Gabriele Paoloni <gabriele.paoloni@intel.com>
+ *             Aidan O'Mahony (aidan.o.mahony@intel.com)
+ *    Copyright (c) 2010, Intel Corporation.
+ */
+
+#ifndef _CRYPTO_CRYPT_H
+#define _CRYPTO_CRYPT_H
+
+#include <linux/crypto.h>
+#include <linux/kernel.h>
+#include <crypto/hash.h>
+
+struct cryptd_ablkcipher {
+	struct crypto_ablkcipher base;
+};
+
+static inline struct cryptd_ablkcipher *__cryptd_ablkcipher_cast(
+	struct crypto_ablkcipher *tfm)
+{
+	return (struct cryptd_ablkcipher *)tfm;
+}
+
+/* alg_name should be algorithm to be cryptd-ed */
+struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name,
+						  u32 type, u32 mask);
+struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm);
+void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm);
+
+struct cryptd_ahash {
+	struct crypto_ahash base;
+};
+
+static inline struct cryptd_ahash *__cryptd_ahash_cast(
+	struct crypto_ahash *tfm)
+{
+	return (struct cryptd_ahash *)tfm;
+}
+
+/* alg_name should be algorithm to be cryptd-ed */
+struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
+					u32 type, u32 mask);
+struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
+struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
+void cryptd_free_ahash(struct cryptd_ahash *tfm);
+
+struct cryptd_aead {
+	struct crypto_aead base;
+};
+
+static inline struct cryptd_aead *__cryptd_aead_cast(
+	struct crypto_aead *tfm)
+{
+	return (struct cryptd_aead *)tfm;
+}
+
+struct cryptd_aead *cryptd_alloc_aead(const char *alg_name,
+					  u32 type, u32 mask);
+
+struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);
+
+void cryptd_free_aead(struct cryptd_aead *tfm);
+
+#endif

include/crypto/crypto_wq.h

@@ -0,0 +1,7 @@
+#ifndef CRYPTO_WQ_H
+#define CRYPTO_WQ_H
+
+#include <linux/workqueue.h>
+
+extern struct workqueue_struct *kcrypto_wq;
+#endif

include/crypto/ctr.h

@@ -0,0 +1,20 @@
+/*
+ * CTR: Counter mode
+ *
+ * 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_CTR_H
+#define _CRYPTO_CTR_H
+
+#define CTR_RFC3686_NONCE_SIZE 4
+#define CTR_RFC3686_IV_SIZE 8
+#define CTR_RFC3686_BLOCK_SIZE 16
+
+#endif  /* _CRYPTO_CTR_H */

include/crypto/des.h

@@ -0,0 +1,19 @@
+/* 
+ * DES & Triple DES EDE Cipher Algorithms.
+ */
+
+#ifndef __CRYPTO_DES_H
+#define __CRYPTO_DES_H
+
+#define DES_KEY_SIZE		8
+#define DES_EXPKEY_WORDS	32
+#define DES_BLOCK_SIZE		8
+
+#define DES3_EDE_KEY_SIZE	(3 * DES_KEY_SIZE)
+#define DES3_EDE_EXPKEY_WORDS	(3 * DES_EXPKEY_WORDS)
+#define DES3_EDE_BLOCK_SIZE	DES_BLOCK_SIZE
+
+
+extern unsigned long des_ekey(u32 *pe, const u8 *k);
+
+#endif /* __CRYPTO_DES_H */

include/crypto/gf128mul.h

@@ -0,0 +1,200 @@
+/* gf128mul.h - GF(2^128) multiplication functions
+ *
+ * Copyright (c) 2003, Dr Brian Gladman, Worcester, UK.
+ * Copyright (c) 2006 Rik Snel <rsnel@cube.dyndns.org>
+ *
+ * Based on Dr Brian Gladman's (GPL'd) work published at
+ * http://fp.gladman.plus.com/cryptography_technology/index.htm
+ * See the original copyright notice below.
+ *
+ * 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.
+ */
+/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2003, Dr Brian Gladman, Worcester, UK.   All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software in both source and binary
+ form is allowed (with or without changes) provided that:
+
+   1. distributions of this source code include the above copyright
+      notice, this list of conditions and the following disclaimer;
+
+   2. distributions in binary form include the above copyright
+      notice, this list of conditions and the following disclaimer
+      in the documentation and/or other associated materials;
+
+   3. the copyright holder's name is not used to endorse products
+      built using this software without specific written permission.
+
+ ALTERNATIVELY, provided that this notice is retained in full, this product
+ may be distributed under the terms of the GNU General Public License (GPL),
+ in which case the provisions of the GPL apply INSTEAD OF those given above.
+
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 31/01/2006
+
+ An implementation of field multiplication in Galois Field GF(128)
+*/
+
+#ifndef _CRYPTO_GF128MUL_H
+#define _CRYPTO_GF128MUL_H
+
+#include <crypto/b128ops.h>
+#include <linux/slab.h>
+
+/* Comment by Rik:
+ *
+ * For some background on GF(2^128) see for example: 
+ * http://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/gcm/gcm-revised-spec.pdf 
+ *
+ * The elements of GF(2^128) := GF(2)[X]/(X^128-X^7-X^2-X^1-1) can
+ * be mapped to computer memory in a variety of ways. Let's examine
+ * three common cases.
+ *
+ * Take a look at the 16 binary octets below in memory order. The msb's
+ * are left and the lsb's are right. char b[16] is an array and b[0] is
+ * the first octet.
+ *
+ * 80000000 00000000 00000000 00000000 .... 00000000 00000000 00000000
+ *   b[0]     b[1]     b[2]     b[3]          b[13]    b[14]    b[15]
+ *
+ * Every bit is a coefficient of some power of X. We can store the bits
+ * in every byte in little-endian order and the bytes themselves also in
+ * little endian order. I will call this lle (little-little-endian).
+ * The above buffer represents the polynomial 1, and X^7+X^2+X^1+1 looks
+ * like 11100001 00000000 .... 00000000 = { 0xE1, 0x00, }.
+ * This format was originally implemented in gf128mul and is used
+ * in GCM (Galois/Counter mode) and in ABL (Arbitrary Block Length).
+ *
+ * Another convention says: store the bits in bigendian order and the
+ * bytes also. This is bbe (big-big-endian). Now the buffer above
+ * represents X^127. X^7+X^2+X^1+1 looks like 00000000 .... 10000111,
+ * b[15] = 0x87 and the rest is 0. LRW uses this convention and bbe
+ * is partly implemented.
+ *
+ * Both of the above formats are easy to implement on big-endian
+ * machines.
+ *
+ * EME (which is patent encumbered) uses the ble format (bits are stored
+ * in big endian order and the bytes in little endian). The above buffer
+ * represents X^7 in this case and the primitive polynomial is b[0] = 0x87.
+ *
+ * The common machine word-size is smaller than 128 bits, so to make
+ * an efficient implementation we must split into machine word sizes.
+ * This file uses one 32bit for the moment. Machine endianness comes into
+ * play. The lle format in relation to machine endianness is discussed
+ * below by the original author of gf128mul Dr Brian Gladman.
+ *
+ * Let's look at the bbe and ble format on a little endian machine.
+ *
+ * bbe on a little endian machine u32 x[4]:
+ *
+ *  MS            x[0]           LS  MS            x[1]		  LS
+ *  ms   ls ms   ls ms   ls ms   ls  ms   ls ms   ls ms   ls ms   ls
+ *  103..96 111.104 119.112 127.120  71...64 79...72 87...80 95...88
+ *
+ *  MS            x[2]           LS  MS            x[3]		  LS
+ *  ms   ls ms   ls ms   ls ms   ls  ms   ls ms   ls ms   ls ms   ls
+ *  39...32 47...40 55...48 63...56  07...00 15...08 23...16 31...24
+ *
+ * ble on a little endian machine
+ *
+ *  MS            x[0]           LS  MS            x[1]		  LS
+ *  ms   ls ms   ls ms   ls ms   ls  ms   ls ms   ls ms   ls ms   ls
+ *  31...24 23...16 15...08 07...00  63...56 55...48 47...40 39...32
+ *
+ *  MS            x[2]           LS  MS            x[3]		  LS
+ *  ms   ls ms   ls ms   ls ms   ls  ms   ls ms   ls ms   ls ms   ls
+ *  95...88 87...80 79...72 71...64  127.120 199.112 111.104 103..96
+ *
+ * Multiplications in GF(2^128) are mostly bit-shifts, so you see why
+ * ble (and lbe also) are easier to implement on a little-endian
+ * machine than on a big-endian machine. The converse holds for bbe
+ * and lle.
+ *
+ * Note: to have good alignment, it seems to me that it is sufficient
+ * to keep elements of GF(2^128) in type u64[2]. On 32-bit wordsize
+ * machines this will automatically aligned to wordsize and on a 64-bit
+ * machine also.
+ */
+/*	Multiply a GF128 field element by x. Field elements are held in arrays
+    of bytes in which field bits 8n..8n + 7 are held in byte[n], with lower
+    indexed bits placed in the more numerically significant bit positions
+    within bytes.
+
+    On little endian machines the bit indexes translate into the bit
+    positions within four 32-bit words in the following way
+
+    MS            x[0]           LS  MS            x[1]		  LS
+    ms   ls ms   ls ms   ls ms   ls  ms   ls ms   ls ms   ls ms   ls
+    24...31 16...23 08...15 00...07  56...63 48...55 40...47 32...39
+
+    MS            x[2]           LS  MS            x[3]		  LS
+    ms   ls ms   ls ms   ls ms   ls  ms   ls ms   ls ms   ls ms   ls
+    88...95 80...87 72...79 64...71  120.127 112.119 104.111 96..103
+
+    On big endian machines the bit indexes translate into the bit
+    positions within four 32-bit words in the following way
+
+    MS            x[0]           LS  MS            x[1]		  LS
+    ms   ls ms   ls ms   ls ms   ls  ms   ls ms   ls ms   ls ms   ls
+    00...07 08...15 16...23 24...31  32...39 40...47 48...55 56...63
+
+    MS            x[2]           LS  MS            x[3]		  LS
+    ms   ls ms   ls ms   ls ms   ls  ms   ls ms   ls ms   ls ms   ls
+    64...71 72...79 80...87 88...95  96..103 104.111 112.119 120.127
+*/
+
+/*	A slow generic version of gf_mul, implemented for lle and bbe
+ * 	It multiplies a and b and puts the result in a */
+void gf128mul_lle(be128 *a, const be128 *b);
+
+void gf128mul_bbe(be128 *a, const be128 *b);
+
+/* multiply by x in ble format, needed by XTS */
+void gf128mul_x_ble(be128 *a, const be128 *b);
+
+/* 4k table optimization */
+
+struct gf128mul_4k {
+	be128 t[256];
+};
+
+struct gf128mul_4k *gf128mul_init_4k_lle(const be128 *g);
+struct gf128mul_4k *gf128mul_init_4k_bbe(const be128 *g);
+void gf128mul_4k_lle(be128 *a, struct gf128mul_4k *t);
+void gf128mul_4k_bbe(be128 *a, struct gf128mul_4k *t);
+
+static inline void gf128mul_free_4k(struct gf128mul_4k *t)
+{
+	kfree(t);
+}
+
+
+/* 64k table optimization, implemented for lle and bbe */
+
+struct gf128mul_64k {
+	struct gf128mul_4k *t[16];
+};
+
+/* first initialize with the constant factor with which you
+ * want to multiply and then call gf128_64k_lle with the other
+ * factor in the first argument, the table in the second and a
+ * scratch register in the third. Afterwards *a = *r. */
+struct gf128mul_64k *gf128mul_init_64k_lle(const be128 *g);
+struct gf128mul_64k *gf128mul_init_64k_bbe(const be128 *g);
+void gf128mul_free_64k(struct gf128mul_64k *t);
+void gf128mul_64k_lle(be128 *a, struct gf128mul_64k *t);
+void gf128mul_64k_bbe(be128 *a, struct gf128mul_64k *t);
+
+#endif /* _CRYPTO_GF128MUL_H */

include/crypto/hash.h

@@ -0,0 +1,372 @@
+/*
+ * Hash: Hash algorithms under the crypto API
+ *
+ * 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_HASH_H
+#define _CRYPTO_HASH_H
+
+#include <linux/crypto.h>
+#include <linux/string.h>
+
+struct crypto_ahash;
+
+struct hash_alg_common {
+	unsigned int digestsize;
+	unsigned int statesize;
+
+	struct crypto_alg base;
+};
+
+struct ahash_request {
+	struct crypto_async_request base;
+
+	unsigned int nbytes;
+	struct scatterlist *src;
+	u8 *result;
+
+	/* This field may only be used by the ahash API code. */
+	void *priv;
+
+	void *__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
+struct ahash_alg {
+	int (*init)(struct ahash_request *req);
+	int (*update)(struct ahash_request *req);
+	int (*final)(struct ahash_request *req);
+	int (*finup)(struct ahash_request *req);
+	int (*digest)(struct ahash_request *req);
+	int (*export)(struct ahash_request *req, void *out);
+	int (*import)(struct ahash_request *req, const void *in);
+	int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
+		      unsigned int keylen);
+
+	struct hash_alg_common halg;
+};
+
+struct shash_desc {
+	struct crypto_shash *tfm;
+	u32 flags;
+
+	void *__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
+#define SHASH_DESC_ON_STACK(shash, ctx)				  \
+	char __##shash##_desc[sizeof(struct shash_desc) +	  \
+		crypto_shash_descsize(ctx)] CRYPTO_MINALIGN_ATTR; \
+	struct shash_desc *shash = (struct shash_desc *)__##shash##_desc
+
+struct shash_alg {
+	int (*init)(struct shash_desc *desc);
+	int (*update)(struct shash_desc *desc, const u8 *data,
+		      unsigned int len);
+	int (*final)(struct shash_desc *desc, u8 *out);
+	int (*finup)(struct shash_desc *desc, const u8 *data,
+		     unsigned int len, u8 *out);
+	int (*digest)(struct shash_desc *desc, const u8 *data,
+		      unsigned int len, u8 *out);
+	int (*export)(struct shash_desc *desc, void *out);
+	int (*import)(struct shash_desc *desc, const void *in);
+	int (*setkey)(struct crypto_shash *tfm, const u8 *key,
+		      unsigned int keylen);
+
+	unsigned int descsize;
+
+	/* These fields must match hash_alg_common. */
+	unsigned int digestsize
+		__attribute__ ((aligned(__alignof__(struct hash_alg_common))));
+	unsigned int statesize;
+
+	struct crypto_alg base;
+};
+
+struct crypto_ahash {
+	int (*init)(struct ahash_request *req);
+	int (*update)(struct ahash_request *req);
+	int (*final)(struct ahash_request *req);
+	int (*finup)(struct ahash_request *req);
+	int (*digest)(struct ahash_request *req);
+	int (*export)(struct ahash_request *req, void *out);
+	int (*import)(struct ahash_request *req, const void *in);
+	int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
+		      unsigned int keylen);
+
+	unsigned int reqsize;
+	struct crypto_tfm base;
+};
+
+struct crypto_shash {
+	unsigned int descsize;
+	struct crypto_tfm base;
+};
+
+static inline struct crypto_ahash *__crypto_ahash_cast(struct crypto_tfm *tfm)
+{
+	return container_of(tfm, struct crypto_ahash, base);
+}
+
+struct crypto_ahash *crypto_alloc_ahash(const char *alg_name, u32 type,
+					u32 mask);
+
+static inline struct crypto_tfm *crypto_ahash_tfm(struct crypto_ahash *tfm)
+{
+	return &tfm->base;
+}
+
+static inline void crypto_free_ahash(struct crypto_ahash *tfm)
+{
+	crypto_destroy_tfm(tfm, crypto_ahash_tfm(tfm));
+}
+
+static inline unsigned int crypto_ahash_alignmask(
+	struct crypto_ahash *tfm)
+{
+	return crypto_tfm_alg_alignmask(crypto_ahash_tfm(tfm));
+}
+
+static inline struct hash_alg_common *__crypto_hash_alg_common(
+	struct crypto_alg *alg)
+{
+	return container_of(alg, struct hash_alg_common, base);
+}
+
+static inline struct hash_alg_common *crypto_hash_alg_common(
+	struct crypto_ahash *tfm)
+{
+	return __crypto_hash_alg_common(crypto_ahash_tfm(tfm)->__crt_alg);
+}
+
+static inline unsigned int crypto_ahash_digestsize(struct crypto_ahash *tfm)
+{
+	return crypto_hash_alg_common(tfm)->digestsize;
+}
+
+static inline unsigned int crypto_ahash_statesize(struct crypto_ahash *tfm)
+{
+	return crypto_hash_alg_common(tfm)->statesize;
+}
+
+static inline u32 crypto_ahash_get_flags(struct crypto_ahash *tfm)
+{
+	return crypto_tfm_get_flags(crypto_ahash_tfm(tfm));
+}
+
+static inline void crypto_ahash_set_flags(struct crypto_ahash *tfm, u32 flags)
+{
+	crypto_tfm_set_flags(crypto_ahash_tfm(tfm), flags);
+}
+
+static inline void crypto_ahash_clear_flags(struct crypto_ahash *tfm, u32 flags)
+{
+	crypto_tfm_clear_flags(crypto_ahash_tfm(tfm), flags);
+}
+
+static inline struct crypto_ahash *crypto_ahash_reqtfm(
+	struct ahash_request *req)
+{
+	return __crypto_ahash_cast(req->base.tfm);
+}
+
+static inline unsigned int crypto_ahash_reqsize(struct crypto_ahash *tfm)
+{
+	return tfm->reqsize;
+}
+
+static inline void *ahash_request_ctx(struct ahash_request *req)
+{
+	return req->__ctx;
+}
+
+int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
+			unsigned int keylen);
+int crypto_ahash_finup(struct ahash_request *req);
+int crypto_ahash_final(struct ahash_request *req);
+int crypto_ahash_digest(struct ahash_request *req);
+
+static inline int crypto_ahash_export(struct ahash_request *req, void *out)
+{
+	return crypto_ahash_reqtfm(req)->export(req, out);
+}
+
+static inline int crypto_ahash_import(struct ahash_request *req, const void *in)
+{
+	return crypto_ahash_reqtfm(req)->import(req, in);
+}
+
+static inline int crypto_ahash_init(struct ahash_request *req)
+{
+	return crypto_ahash_reqtfm(req)->init(req);
+}
+
+static inline int crypto_ahash_update(struct ahash_request *req)
+{
+	return crypto_ahash_reqtfm(req)->update(req);
+}
+
+static inline void ahash_request_set_tfm(struct ahash_request *req,
+					 struct crypto_ahash *tfm)
+{
+	req->base.tfm = crypto_ahash_tfm(tfm);
+}
+
+static inline struct ahash_request *ahash_request_alloc(
+	struct crypto_ahash *tfm, gfp_t gfp)
+{
+	struct ahash_request *req;
+
+	req = kmalloc(sizeof(struct ahash_request) +
+		      crypto_ahash_reqsize(tfm), gfp);
+
+	if (likely(req))
+		ahash_request_set_tfm(req, tfm);
+
+	return req;
+}
+
+static inline void ahash_request_free(struct ahash_request *req)
+{
+	kzfree(req);
+}
+
+static inline void ahash_request_zero(struct ahash_request *req)
+{
+	memset(req, 0,
+		sizeof(*req) + crypto_ahash_reqsize(crypto_ahash_reqtfm(req)));
+	barrier();
+}
+
+static inline struct ahash_request *ahash_request_cast(
+	struct crypto_async_request *req)
+{
+	return container_of(req, struct ahash_request, base);
+}
+
+static inline void ahash_request_set_callback(struct ahash_request *req,
+					      u32 flags,
+					      crypto_completion_t complete,
+					      void *data)
+{
+	req->base.complete = complete;
+	req->base.data = data;
+	req->base.flags = flags;
+}
+
+static inline void ahash_request_set_crypt(struct ahash_request *req,
+					   struct scatterlist *src, u8 *result,
+					   unsigned int nbytes)
+{
+	req->src = src;
+	req->nbytes = nbytes;
+	req->result = result;
+}
+
+struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type,
+					u32 mask);
+
+static inline struct crypto_tfm *crypto_shash_tfm(struct crypto_shash *tfm)
+{
+	return &tfm->base;
+}
+
+static inline void crypto_free_shash(struct crypto_shash *tfm)
+{
+	crypto_destroy_tfm(tfm, crypto_shash_tfm(tfm));
+}
+
+static inline unsigned int crypto_shash_alignmask(
+	struct crypto_shash *tfm)
+{
+	return crypto_tfm_alg_alignmask(crypto_shash_tfm(tfm));
+}
+
+static inline unsigned int crypto_shash_blocksize(struct crypto_shash *tfm)
+{
+	return crypto_tfm_alg_blocksize(crypto_shash_tfm(tfm));
+}
+
+static inline struct shash_alg *__crypto_shash_alg(struct crypto_alg *alg)
+{
+	return container_of(alg, struct shash_alg, base);
+}
+
+static inline struct shash_alg *crypto_shash_alg(struct crypto_shash *tfm)
+{
+	return __crypto_shash_alg(crypto_shash_tfm(tfm)->__crt_alg);
+}
+
+static inline unsigned int crypto_shash_digestsize(struct crypto_shash *tfm)
+{
+	return crypto_shash_alg(tfm)->digestsize;
+}
+
+static inline unsigned int crypto_shash_statesize(struct crypto_shash *tfm)
+{
+	return crypto_shash_alg(tfm)->statesize;
+}
+
+static inline u32 crypto_shash_get_flags(struct crypto_shash *tfm)
+{
+	return crypto_tfm_get_flags(crypto_shash_tfm(tfm));
+}
+
+static inline void crypto_shash_set_flags(struct crypto_shash *tfm, u32 flags)
+{
+	crypto_tfm_set_flags(crypto_shash_tfm(tfm), flags);
+}
+
+static inline void crypto_shash_clear_flags(struct crypto_shash *tfm, u32 flags)
+{
+	crypto_tfm_clear_flags(crypto_shash_tfm(tfm), flags);
+}
+
+static inline unsigned int crypto_shash_descsize(struct crypto_shash *tfm)
+{
+	return tfm->descsize;
+}
+
+static inline void *shash_desc_ctx(struct shash_desc *desc)
+{
+	return desc->__ctx;
+}
+
+int crypto_shash_setkey(struct crypto_shash *tfm, const u8 *key,
+			unsigned int keylen);
+int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
+			unsigned int len, u8 *out);
+
+static inline int crypto_shash_export(struct shash_desc *desc, void *out)
+{
+	return crypto_shash_alg(desc->tfm)->export(desc, out);
+}
+
+static inline int crypto_shash_import(struct shash_desc *desc, const void *in)
+{
+	return crypto_shash_alg(desc->tfm)->import(desc, in);
+}
+
+static inline int crypto_shash_init(struct shash_desc *desc)
+{
+	return crypto_shash_alg(desc->tfm)->init(desc);
+}
+
+int crypto_shash_update(struct shash_desc *desc, const u8 *data,
+			unsigned int len);
+int crypto_shash_final(struct shash_desc *desc, u8 *out);
+int crypto_shash_finup(struct shash_desc *desc, const u8 *data,
+		       unsigned int len, u8 *out);
+
+static inline void shash_desc_zero(struct shash_desc *desc)
+{
+	memset(desc, 0, sizeof(*desc) + crypto_shash_descsize(desc->tfm));
+	barrier();
+}
+
+#endif	/* _CRYPTO_HASH_H */

include/crypto/if_alg.h

@@ -0,0 +1,93 @@
+/*
+ * if_alg: User-space algorithm interface
+ *
+ * Copyright (c) 2010 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_IF_ALG_H
+#define _CRYPTO_IF_ALG_H
+
+#include <linux/compiler.h>
+#include <linux/completion.h>
+#include <linux/if_alg.h>
+#include <linux/scatterlist.h>
+#include <linux/types.h>
+#include <net/sock.h>
+
+#define ALG_MAX_PAGES			16
+
+struct crypto_async_request;
+
+struct alg_sock {
+	/* struct sock must be the first member of struct alg_sock */
+	struct sock sk;
+
+	struct sock *parent;
+
+	const struct af_alg_type *type;
+	void *private;
+};
+
+struct af_alg_completion {
+	struct completion completion;
+	int err;
+};
+
+struct af_alg_control {
+	struct af_alg_iv *iv;
+	int op;
+};
+
+struct af_alg_type {
+	void *(*bind)(const char *name, u32 type, u32 mask);
+	void (*release)(void *private);
+	int (*setkey)(void *private, const u8 *key, unsigned int keylen);
+	int (*accept)(void *private, struct sock *sk);
+
+	struct proto_ops *ops;
+	struct module *owner;
+	char name[14];
+};
+
+struct af_alg_sgl {
+	struct scatterlist sg[ALG_MAX_PAGES];
+	struct page *pages[ALG_MAX_PAGES];
+};
+
+int af_alg_register_type(const struct af_alg_type *type);
+int af_alg_unregister_type(const struct af_alg_type *type);
+
+int af_alg_release(struct socket *sock);
+int af_alg_accept(struct sock *sk, struct socket *newsock);
+
+int af_alg_make_sg(struct af_alg_sgl *sgl, void __user *addr, int len,
+		   int write);
+void af_alg_free_sg(struct af_alg_sgl *sgl);
+
+int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con);
+
+int af_alg_wait_for_completion(int err, struct af_alg_completion *completion);
+void af_alg_complete(struct crypto_async_request *req, int err);
+
+static inline struct alg_sock *alg_sk(struct sock *sk)
+{
+	return (struct alg_sock *)sk;
+}
+
+static inline void af_alg_release_parent(struct sock *sk)
+{
+	sock_put(alg_sk(sk)->parent);
+}
+
+static inline void af_alg_init_completion(struct af_alg_completion *completion)
+{
+	init_completion(&completion->completion);
+}
+
+#endif	/* _CRYPTO_IF_ALG_H */

include/crypto/internal/aead.h

@@ -0,0 +1,82 @@
+/*
+ * 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);
+}
+
+struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask);
+
+int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
+		     u32 type, u32 mask);
+
+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 */
+

include/crypto/internal/compress.h

@@ -0,0 +1,28 @@
+/*
+ * Compress: Compression algorithms under the cryptographic API.
+ *
+ * Copyright 2008 Sony Corporation
+ *
+ * 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _CRYPTO_INTERNAL_COMPRESS_H
+#define _CRYPTO_INTERNAL_COMPRESS_H
+
+#include <crypto/compress.h>
+
+extern int crypto_register_pcomp(struct pcomp_alg *alg);
+extern int crypto_unregister_pcomp(struct pcomp_alg *alg);
+
+#endif	/* _CRYPTO_INTERNAL_COMPRESS_H */

include/crypto/internal/hash.h

@@ -0,0 +1,233 @@
+/*
+ * 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;
+};
+
+struct ahash_instance {
+	struct ahash_alg alg;
+};
+
+struct shash_instance {
+	struct shash_alg alg;
+};
+
+struct crypto_ahash_spawn {
+	struct crypto_spawn base;
+};
+
+struct crypto_shash_spawn {
+	struct crypto_spawn base;
+};
+
+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);
+int crypto_hash_walk_first_compat(struct hash_desc *hdesc,
+				  struct crypto_hash_walk *walk,
+				  struct scatterlist *sg, unsigned int len);
+
+static inline int crypto_hash_walk_last(struct crypto_hash_walk *walk)
+{
+	return !(walk->entrylen | walk->total);
+}
+
+int crypto_register_ahash(struct ahash_alg *alg);
+int crypto_unregister_ahash(struct ahash_alg *alg);
+int ahash_register_instance(struct crypto_template *tmpl,
+			    struct ahash_instance *inst);
+void ahash_free_instance(struct crypto_instance *inst);
+
+int shash_no_setkey(struct crypto_shash *tfm, const u8 *key,
+		    unsigned int keylen);
+
+static inline bool crypto_shash_alg_has_setkey(struct shash_alg *alg)
+{
+	return alg->setkey != shash_no_setkey;
+}
+
+int crypto_init_ahash_spawn(struct crypto_ahash_spawn *spawn,
+			    struct hash_alg_common *alg,
+			    struct crypto_instance *inst);
+
+static inline void crypto_drop_ahash(struct crypto_ahash_spawn *spawn)
+{
+	crypto_drop_spawn(&spawn->base);
+}
+
+struct hash_alg_common *ahash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
+
+int crypto_register_shash(struct shash_alg *alg);
+int crypto_unregister_shash(struct shash_alg *alg);
+int crypto_register_shashes(struct shash_alg *algs, int count);
+int crypto_unregister_shashes(struct shash_alg *algs, int count);
+int shash_register_instance(struct crypto_template *tmpl,
+			    struct shash_instance *inst);
+void shash_free_instance(struct crypto_instance *inst);
+
+int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
+			    struct shash_alg *alg,
+			    struct crypto_instance *inst);
+
+static inline void crypto_drop_shash(struct crypto_shash_spawn *spawn)
+{
+	crypto_drop_spawn(&spawn->base);
+}
+
+struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
+
+int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc);
+int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc);
+int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc);
+
+int crypto_init_shash_ops_async(struct crypto_tfm *tfm);
+
+static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
+{
+	return crypto_tfm_ctx(crypto_ahash_tfm(tfm));
+}
+
+static inline struct ahash_alg *__crypto_ahash_alg(struct crypto_alg *alg)
+{
+	return container_of(__crypto_hash_alg_common(alg), struct ahash_alg,
+			    halg);
+}
+
+static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm,
+					    unsigned int reqsize)
+{
+	tfm->reqsize = reqsize;
+}
+
+static inline struct crypto_instance *ahash_crypto_instance(
+	struct ahash_instance *inst)
+{
+	return container_of(&inst->alg.halg.base, struct crypto_instance, alg);
+}
+
+static inline struct ahash_instance *ahash_instance(
+	struct crypto_instance *inst)
+{
+	return container_of(&inst->alg, struct ahash_instance, alg.halg.base);
+}
+
+static inline void *ahash_instance_ctx(struct ahash_instance *inst)
+{
+	return crypto_instance_ctx(ahash_crypto_instance(inst));
+}
+
+static inline unsigned int ahash_instance_headroom(void)
+{
+	return sizeof(struct ahash_alg) - sizeof(struct crypto_alg);
+}
+
+static inline struct ahash_instance *ahash_alloc_instance(
+	const char *name, struct crypto_alg *alg)
+{
+	return crypto_alloc_instance2(name, alg, ahash_instance_headroom());
+}
+
+static inline struct crypto_ahash *crypto_spawn_ahash(
+	struct crypto_ahash_spawn *spawn)
+{
+	return crypto_spawn_tfm2(&spawn->base);
+}
+
+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 int ahash_tfm_in_queue(struct crypto_queue *queue,
+					  struct crypto_ahash *tfm)
+{
+	return crypto_tfm_in_queue(queue, crypto_ahash_tfm(tfm));
+}
+
+static inline void *crypto_shash_ctx(struct crypto_shash *tfm)
+{
+	return crypto_tfm_ctx(&tfm->base);
+}
+
+static inline struct crypto_instance *shash_crypto_instance(
+	struct shash_instance *inst)
+{
+	return container_of(&inst->alg.base, struct crypto_instance, alg);
+}
+
+static inline struct shash_instance *shash_instance(
+	struct crypto_instance *inst)
+{
+	return container_of(__crypto_shash_alg(&inst->alg),
+			    struct shash_instance, alg);
+}
+
+static inline void *shash_instance_ctx(struct shash_instance *inst)
+{
+	return crypto_instance_ctx(shash_crypto_instance(inst));
+}
+
+static inline struct shash_instance *shash_alloc_instance(
+	const char *name, struct crypto_alg *alg)
+{
+	return crypto_alloc_instance2(name, alg,
+				      sizeof(struct shash_alg) - sizeof(*alg));
+}
+
+static inline struct crypto_shash *crypto_spawn_shash(
+	struct crypto_shash_spawn *spawn)
+{
+	return crypto_spawn_tfm2(&spawn->base);
+}
+
+static inline void *crypto_shash_ctx_aligned(struct crypto_shash *tfm)
+{
+	return crypto_tfm_ctx_aligned(&tfm->base);
+}
+
+static inline struct crypto_shash *__crypto_shash_cast(struct crypto_tfm *tfm)
+{
+	return container_of(tfm, struct crypto_shash, base);
+}
+
+#endif	/* _CRYPTO_INTERNAL_HASH_H */
+

include/crypto/internal/rng.h

@@ -0,0 +1,26 @@
+/*
+ * RNG: Random Number Generator  algorithms under the crypto API
+ *
+ * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
+ *
+ * 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_RNG_H
+#define _CRYPTO_INTERNAL_RNG_H
+
+#include <crypto/algapi.h>
+#include <crypto/rng.h>
+
+extern const struct crypto_type crypto_rng_type;
+
+static inline void *crypto_rng_ctx(struct crypto_rng *tfm)
+{
+	return crypto_tfm_ctx(&tfm->base);
+}
+
+#endif

include/crypto/internal/skcipher.h

@@ -0,0 +1,127 @@
+/*
+ * 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);
+
+struct crypto_alg *crypto_lookup_skcipher(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 __crypto_dequeue_request(
+		queue, offsetof(struct skcipher_givcrypt_request, creq.base));
+}
+
+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;
+}
+
+static inline void *crypto_skcipher_ctx(struct crypto_skcipher *tfm)
+{
+	return crypto_tfm_ctx(&tfm->base);
+}
+
+static inline void *skcipher_request_ctx(struct skcipher_request *req)
+{
+	return req->__ctx;
+}
+
+static inline u32 skcipher_request_flags(struct skcipher_request *req)
+{
+	return req->base.flags;
+}
+
+#endif	/* _CRYPTO_INTERNAL_SKCIPHER_H */
+

include/crypto/lrw.h

@@ -0,0 +1,43 @@
+#ifndef _CRYPTO_LRW_H
+#define _CRYPTO_LRW_H
+
+#include <crypto/b128ops.h>
+
+struct scatterlist;
+struct gf128mul_64k;
+struct blkcipher_desc;
+
+#define LRW_BLOCK_SIZE 16
+
+struct lrw_table_ctx {
+	/* optimizes multiplying a random (non incrementing, as at the
+	 * start of a new sector) value with key2, we could also have
+	 * used 4k optimization tables or no optimization at all. In the
+	 * latter case we would have to store key2 here */
+	struct gf128mul_64k *table;
+	/* stores:
+	 *  key2*{ 0,0,...0,0,0,0,1 }, key2*{ 0,0,...0,0,0,1,1 },
+	 *  key2*{ 0,0,...0,0,1,1,1 }, key2*{ 0,0,...0,1,1,1,1 }
+	 *  key2*{ 0,0,...1,1,1,1,1 }, etc
+	 * needed for optimized multiplication of incrementing values
+	 * with key2 */
+	be128 mulinc[128];
+};
+
+int lrw_init_table(struct lrw_table_ctx *ctx, const u8 *tweak);
+void lrw_free_table(struct lrw_table_ctx *ctx);
+
+struct lrw_crypt_req {
+	be128 *tbuf;
+	unsigned int tbuflen;
+
+	struct lrw_table_ctx *table_ctx;
+	void *crypt_ctx;
+	void (*crypt_fn)(void *ctx, u8 *blks, unsigned int nbytes);
+};
+
+int lrw_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+	      struct scatterlist *src, unsigned int nbytes,
+	      struct lrw_crypt_req *req);
+
+#endif  /* _CRYPTO_LRW_H */

include/crypto/md5.h

@@ -0,0 +1,17 @@
+#ifndef _CRYPTO_MD5_H
+#define _CRYPTO_MD5_H
+
+#include <linux/types.h>
+
+#define MD5_DIGEST_SIZE		16
+#define MD5_HMAC_BLOCK_SIZE	64
+#define MD5_BLOCK_WORDS		16
+#define MD5_HASH_WORDS		4
+
+struct md5_state {
+	u32 hash[MD5_HASH_WORDS];
+	u32 block[MD5_BLOCK_WORDS];
+	u64 byte_count;
+};
+
+#endif

include/crypto/padlock.h

@@ -0,0 +1,29 @@
+/*
+ * Driver for VIA PadLock
+ *
+ * Copyright (c) 2004 Michal Ludvig <michal@logix.cz>
+ *
+ * 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_PADLOCK_H
+#define _CRYPTO_PADLOCK_H
+
+#define PADLOCK_ALIGNMENT 16
+
+#define PFX	KBUILD_MODNAME ": "
+
+#define PADLOCK_CRA_PRIORITY	300
+#define PADLOCK_COMPOSITE_PRIORITY 400
+
+#ifdef CONFIG_64BIT
+#define STACK_ALIGN 16
+#else
+#define STACK_ALIGN 4
+#endif
+
+#endif	/* _CRYPTO_PADLOCK_H */

include/crypto/pcrypt.h

@@ -0,0 +1,51 @@
+/*
+ * pcrypt - Parallel crypto engine.
+ *
+ * Copyright (C) 2009 secunet Security Networks AG
+ * Copyright (C) 2009 Steffen Klassert <steffen.klassert@secunet.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef _CRYPTO_PCRYPT_H
+#define _CRYPTO_PCRYPT_H
+
+#include <linux/crypto.h>
+#include <linux/kernel.h>
+#include <linux/padata.h>
+
+struct pcrypt_request {
+	struct padata_priv	padata;
+	void			*data;
+	void			*__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
+static inline void *pcrypt_request_ctx(struct pcrypt_request *req)
+{
+	return req->__ctx;
+}
+
+static inline
+struct padata_priv *pcrypt_request_padata(struct pcrypt_request *req)
+{
+	return &req->padata;
+}
+
+static inline
+struct pcrypt_request *pcrypt_padata_request(struct padata_priv *padata)
+{
+	return container_of(padata, struct pcrypt_request, padata);
+}
+
+#endif

include/crypto/public_key.h

@@ -0,0 +1,108 @@
+/* Asymmetric public-key algorithm definitions
+ *
+ * See Documentation/crypto/asymmetric-keys.txt
+ *
+ * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _LINUX_PUBLIC_KEY_H
+#define _LINUX_PUBLIC_KEY_H
+
+#include <linux/mpi.h>
+
+enum pkey_algo {
+	PKEY_ALGO_DSA,
+	PKEY_ALGO_RSA,
+	PKEY_ALGO__LAST
+};
+
+extern const char *const pkey_algo[PKEY_ALGO__LAST];
+
+enum pkey_hash_algo {
+	PKEY_HASH_MD4,
+	PKEY_HASH_MD5,
+	PKEY_HASH_SHA1,
+	PKEY_HASH_RIPE_MD_160,
+	PKEY_HASH_SHA256,
+	PKEY_HASH_SHA384,
+	PKEY_HASH_SHA512,
+	PKEY_HASH_SHA224,
+	PKEY_HASH__LAST
+};
+
+extern const char *const pkey_hash_algo[PKEY_HASH__LAST];
+
+enum pkey_id_type {
+	PKEY_ID_PGP,		/* OpenPGP generated key ID */
+	PKEY_ID_X509,		/* X.509 arbitrary subjectKeyIdentifier */
+	PKEY_ID_TYPE__LAST
+};
+
+extern const char *const pkey_id_type[PKEY_ID_TYPE__LAST];
+
+/*
+ * Cryptographic data for the public-key subtype of the asymmetric key type.
+ *
+ * Note that this may include private part of the key as well as the public
+ * part.
+ */
+struct public_key {
+	const struct public_key_algorithm *algo;
+	u8	capabilities;
+#define PKEY_CAN_ENCRYPT	0x01
+#define PKEY_CAN_DECRYPT	0x02
+#define PKEY_CAN_SIGN		0x04
+#define PKEY_CAN_VERIFY		0x08
+	enum pkey_id_type id_type : 8;
+	union {
+		MPI	mpi[5];
+		struct {
+			MPI	p;	/* DSA prime */
+			MPI	q;	/* DSA group order */
+			MPI	g;	/* DSA group generator */
+			MPI	y;	/* DSA public-key value = g^x mod p */
+			MPI	x;	/* DSA secret exponent (if present) */
+		} dsa;
+		struct {
+			MPI	n;	/* RSA public modulus */
+			MPI	e;	/* RSA public encryption exponent */
+			MPI	d;	/* RSA secret encryption exponent (if present) */
+			MPI	p;	/* RSA secret prime (if present) */
+			MPI	q;	/* RSA secret prime (if present) */
+		} rsa;
+	};
+};
+
+extern void public_key_destroy(void *payload);
+
+/*
+ * Public key cryptography signature data
+ */
+struct public_key_signature {
+	u8 *digest;
+	u8 digest_size;			/* Number of bytes in digest */
+	u8 nr_mpi;			/* Occupancy of mpi[] */
+	enum pkey_hash_algo pkey_hash_algo : 8;
+	union {
+		MPI mpi[2];
+		struct {
+			MPI s;		/* m^d mod n */
+		} rsa;
+		struct {
+			MPI r;
+			MPI s;
+		} dsa;
+	};
+};
+
+struct key;
+extern int verify_signature(const struct key *key,
+			    const struct public_key_signature *sig);
+
+#endif /* _LINUX_PUBLIC_KEY_H */

include/crypto/rng.h

@@ -0,0 +1,75 @@
+/*
+ * RNG: Random Number Generator  algorithms under the crypto API
+ *
+ * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
+ *
+ * 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_RNG_H
+#define _CRYPTO_RNG_H
+
+#include <linux/crypto.h>
+
+extern struct crypto_rng *crypto_default_rng;
+
+int crypto_get_default_rng(void);
+void crypto_put_default_rng(void);
+
+static inline struct crypto_rng *__crypto_rng_cast(struct crypto_tfm *tfm)
+{
+	return (struct crypto_rng *)tfm;
+}
+
+static inline struct crypto_rng *crypto_alloc_rng(const char *alg_name,
+						  u32 type, u32 mask)
+{
+	type &= ~CRYPTO_ALG_TYPE_MASK;
+	type |= CRYPTO_ALG_TYPE_RNG;
+	mask |= CRYPTO_ALG_TYPE_MASK;
+
+	return __crypto_rng_cast(crypto_alloc_base(alg_name, type, mask));
+}
+
+static inline struct crypto_tfm *crypto_rng_tfm(struct crypto_rng *tfm)
+{
+	return &tfm->base;
+}
+
+static inline struct rng_alg *crypto_rng_alg(struct crypto_rng *tfm)
+{
+	return &crypto_rng_tfm(tfm)->__crt_alg->cra_rng;
+}
+
+static inline struct rng_tfm *crypto_rng_crt(struct crypto_rng *tfm)
+{
+	return &crypto_rng_tfm(tfm)->crt_rng;
+}
+
+static inline void crypto_free_rng(struct crypto_rng *tfm)
+{
+	crypto_free_tfm(crypto_rng_tfm(tfm));
+}
+
+static inline int crypto_rng_get_bytes(struct crypto_rng *tfm,
+				       u8 *rdata, unsigned int dlen)
+{
+	return crypto_rng_crt(tfm)->rng_gen_random(tfm, rdata, dlen);
+}
+
+static inline int crypto_rng_reset(struct crypto_rng *tfm,
+				   u8 *seed, unsigned int slen)
+{
+	return crypto_rng_crt(tfm)->rng_reset(tfm, seed, slen);
+}
+
+static inline int crypto_rng_seedsize(struct crypto_rng *tfm)
+{
+	return crypto_rng_alg(tfm)->seedsize;
+}
+
+#endif

include/crypto/scatterwalk.h

@@ -0,0 +1,116 @@
+/*
+ * Cryptographic scatter and gather helpers.
+ *
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ * Copyright (c) 2002 Adam J. Richter <adam@yggdrasil.com>
+ * Copyright (c) 2004 Jean-Luc Cooke <jlcooke@certainkey.com>
+ * 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_SCATTERWALK_H
+#define _CRYPTO_SCATTERWALK_H
+
+#include <asm/kmap_types.h>
+#include <crypto/algapi.h>
+#include <linux/hardirq.h>
+#include <linux/highmem.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <linux/sched.h>
+
+static inline void crypto_yield(u32 flags)
+{
+	if (flags & CRYPTO_TFM_REQ_MAY_SLEEP)
+		cond_resched();
+}
+
+static inline void scatterwalk_sg_chain(struct scatterlist *sg1, int num,
+					struct scatterlist *sg2)
+{
+	sg_set_page(&sg1[num - 1], (void *)sg2, 0, 0);
+	sg1[num - 1].page_link &= ~0x02;
+}
+
+static inline struct scatterlist *scatterwalk_sg_next(struct scatterlist *sg)
+{
+	if (sg_is_last(sg))
+		return NULL;
+
+	return (++sg)->length ? sg : (void *)sg_page(sg);
+}
+
+static inline void scatterwalk_crypto_chain(struct scatterlist *head,
+					    struct scatterlist *sg,
+					    int chain, int num)
+{
+	if (chain) {
+		head->length += sg->length;
+		sg = scatterwalk_sg_next(sg);
+	}
+
+	if (sg)
+		scatterwalk_sg_chain(head, num, sg);
+	else
+		sg_mark_end(head);
+}
+
+static inline unsigned long scatterwalk_samebuf(struct scatter_walk *walk_in,
+						struct scatter_walk *walk_out)
+{
+	return !(((sg_page(walk_in->sg) - sg_page(walk_out->sg)) << PAGE_SHIFT) +
+		 (int)(walk_in->offset - walk_out->offset));
+}
+
+static inline unsigned int scatterwalk_pagelen(struct scatter_walk *walk)
+{
+	unsigned int len = walk->sg->offset + walk->sg->length - walk->offset;
+	unsigned int len_this_page = offset_in_page(~walk->offset) + 1;
+	return len_this_page > len ? len : len_this_page;
+}
+
+static inline unsigned int scatterwalk_clamp(struct scatter_walk *walk,
+					     unsigned int nbytes)
+{
+	unsigned int len_this_page = scatterwalk_pagelen(walk);
+	return nbytes > len_this_page ? len_this_page : nbytes;
+}
+
+static inline void scatterwalk_advance(struct scatter_walk *walk,
+				       unsigned int nbytes)
+{
+	walk->offset += nbytes;
+}
+
+static inline unsigned int scatterwalk_aligned(struct scatter_walk *walk,
+					       unsigned int alignmask)
+{
+	return !(walk->offset & alignmask);
+}
+
+static inline struct page *scatterwalk_page(struct scatter_walk *walk)
+{
+	return sg_page(walk->sg) + (walk->offset >> PAGE_SHIFT);
+}
+
+static inline void scatterwalk_unmap(void *vaddr)
+{
+	kunmap_atomic(vaddr);
+}
+
+void scatterwalk_start(struct scatter_walk *walk, struct scatterlist *sg);
+void scatterwalk_copychunks(void *buf, struct scatter_walk *walk,
+			    size_t nbytes, int out);
+void *scatterwalk_map(struct scatter_walk *walk);
+void scatterwalk_done(struct scatter_walk *walk, int out, int more);
+
+void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg,
+			      unsigned int start, unsigned int nbytes, int out);
+
+#endif  /* _CRYPTO_SCATTERWALK_H */

include/crypto/serpent.h

@@ -0,0 +1,27 @@
+/*
+ * Common values for serpent algorithms
+ */
+
+#ifndef _CRYPTO_SERPENT_H
+#define _CRYPTO_SERPENT_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+
+#define SERPENT_MIN_KEY_SIZE		  0
+#define SERPENT_MAX_KEY_SIZE		 32
+#define SERPENT_EXPKEY_WORDS		132
+#define SERPENT_BLOCK_SIZE		 16
+
+struct serpent_ctx {
+	u32 expkey[SERPENT_EXPKEY_WORDS];
+};
+
+int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key,
+		     unsigned int keylen);
+int serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
+
+void __serpent_encrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
+void __serpent_decrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
+
+#endif

include/crypto/sha.h

@@ -0,0 +1,95 @@
+/*
+ * Common values for SHA algorithms
+ */
+
+#ifndef _CRYPTO_SHA_H
+#define _CRYPTO_SHA_H
+
+#include <linux/types.h>
+
+#define SHA1_DIGEST_SIZE        20
+#define SHA1_BLOCK_SIZE         64
+
+#define SHA224_DIGEST_SIZE	28
+#define SHA224_BLOCK_SIZE	64
+
+#define SHA256_DIGEST_SIZE      32
+#define SHA256_BLOCK_SIZE       64
+
+#define SHA384_DIGEST_SIZE      48
+#define SHA384_BLOCK_SIZE       128
+
+#define SHA512_DIGEST_SIZE      64
+#define SHA512_BLOCK_SIZE       128
+
+#define SHA1_H0		0x67452301UL
+#define SHA1_H1		0xefcdab89UL
+#define SHA1_H2		0x98badcfeUL
+#define SHA1_H3		0x10325476UL
+#define SHA1_H4		0xc3d2e1f0UL
+
+#define SHA224_H0	0xc1059ed8UL
+#define SHA224_H1	0x367cd507UL
+#define SHA224_H2	0x3070dd17UL
+#define SHA224_H3	0xf70e5939UL
+#define SHA224_H4	0xffc00b31UL
+#define SHA224_H5	0x68581511UL
+#define SHA224_H6	0x64f98fa7UL
+#define SHA224_H7	0xbefa4fa4UL
+
+#define SHA256_H0	0x6a09e667UL
+#define SHA256_H1	0xbb67ae85UL
+#define SHA256_H2	0x3c6ef372UL
+#define SHA256_H3	0xa54ff53aUL
+#define SHA256_H4	0x510e527fUL
+#define SHA256_H5	0x9b05688cUL
+#define SHA256_H6	0x1f83d9abUL
+#define SHA256_H7	0x5be0cd19UL
+
+#define SHA384_H0	0xcbbb9d5dc1059ed8ULL
+#define SHA384_H1	0x629a292a367cd507ULL
+#define SHA384_H2	0x9159015a3070dd17ULL
+#define SHA384_H3	0x152fecd8f70e5939ULL
+#define SHA384_H4	0x67332667ffc00b31ULL
+#define SHA384_H5	0x8eb44a8768581511ULL
+#define SHA384_H6	0xdb0c2e0d64f98fa7ULL
+#define SHA384_H7	0x47b5481dbefa4fa4ULL
+
+#define SHA512_H0	0x6a09e667f3bcc908ULL
+#define SHA512_H1	0xbb67ae8584caa73bULL
+#define SHA512_H2	0x3c6ef372fe94f82bULL
+#define SHA512_H3	0xa54ff53a5f1d36f1ULL
+#define SHA512_H4	0x510e527fade682d1ULL
+#define SHA512_H5	0x9b05688c2b3e6c1fULL
+#define SHA512_H6	0x1f83d9abfb41bd6bULL
+#define SHA512_H7	0x5be0cd19137e2179ULL
+
+struct sha1_state {
+	u64 count;
+	u32 state[SHA1_DIGEST_SIZE / 4];
+	u8 buffer[SHA1_BLOCK_SIZE];
+};
+
+struct sha256_state {
+	u64 count;
+	u32 state[SHA256_DIGEST_SIZE / 4];
+	u8 buf[SHA256_BLOCK_SIZE];
+};
+
+struct sha512_state {
+	u64 count[2];
+	u64 state[SHA512_DIGEST_SIZE / 8];
+	u8 buf[SHA512_BLOCK_SIZE];
+};
+
+struct shash_desc;
+
+extern int crypto_sha1_update(struct shash_desc *desc, const u8 *data,
+			      unsigned int len);
+
+extern int crypto_sha256_update(struct shash_desc *desc, const u8 *data,
+			      unsigned int len);
+
+extern int crypto_sha512_update(struct shash_desc *desc, const u8 *data,
+			      unsigned int len);
+#endif

include/crypto/skcipher.h

@@ -0,0 +1,507 @@
+/*
+ * Symmetric key ciphers.
+ *
+ * Copyright (c) 2007-2015 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_SKCIPHER_H
+#define _CRYPTO_SKCIPHER_H
+
+#include <linux/crypto.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+/**
+ *	struct skcipher_request - Symmetric key cipher request
+ *	@cryptlen: Number of bytes to encrypt or decrypt
+ *	@iv: Initialisation Vector
+ *	@src: Source SG list
+ *	@dst: Destination SG list
+ *	@base: Underlying async request request
+ *	@__ctx: Start of private context data
+ */
+struct skcipher_request {
+	unsigned int cryptlen;
+
+	u8 *iv;
+
+	struct scatterlist *src;
+	struct scatterlist *dst;
+
+	struct crypto_async_request base;
+
+	void *__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
+/**
+ *	struct skcipher_givcrypt_request - Crypto request with IV generation
+ *	@seq: Sequence number for IV generation
+ *	@giv: Space for generated IV
+ *	@creq: The crypto request itself
+ */
+struct skcipher_givcrypt_request {
+	u64 seq;
+	u8 *giv;
+
+	struct ablkcipher_request creq;
+};
+
+struct crypto_skcipher {
+	int (*setkey)(struct crypto_skcipher *tfm, const u8 *key,
+	              unsigned int keylen);
+	int (*encrypt)(struct skcipher_request *req);
+	int (*decrypt)(struct skcipher_request *req);
+
+	unsigned int ivsize;
+	unsigned int reqsize;
+
+	struct crypto_tfm base;
+};
+
+#define SKCIPHER_REQUEST_ON_STACK(name, tfm) \
+	char __##name##_desc[sizeof(struct skcipher_request) + \
+		crypto_skcipher_reqsize(tfm)] CRYPTO_MINALIGN_ATTR; \
+	struct skcipher_request *name = (void *)__##name##_desc
+
+static inline struct crypto_ablkcipher *skcipher_givcrypt_reqtfm(
+	struct skcipher_givcrypt_request *req)
+{
+	return crypto_ablkcipher_reqtfm(&req->creq);
+}
+
+static inline int crypto_skcipher_givencrypt(
+	struct skcipher_givcrypt_request *req)
+{
+	struct ablkcipher_tfm *crt =
+		crypto_ablkcipher_crt(skcipher_givcrypt_reqtfm(req));
+	return crt->givencrypt(req);
+};
+
+static inline int crypto_skcipher_givdecrypt(
+	struct skcipher_givcrypt_request *req)
+{
+	struct ablkcipher_tfm *crt =
+		crypto_ablkcipher_crt(skcipher_givcrypt_reqtfm(req));
+	return crt->givdecrypt(req);
+};
+
+static inline void skcipher_givcrypt_set_tfm(
+	struct skcipher_givcrypt_request *req, struct crypto_ablkcipher *tfm)
+{
+	req->creq.base.tfm = crypto_ablkcipher_tfm(tfm);
+}
+
+static inline struct skcipher_givcrypt_request *skcipher_givcrypt_cast(
+	struct crypto_async_request *req)
+{
+	return container_of(ablkcipher_request_cast(req),
+			    struct skcipher_givcrypt_request, creq);
+}
+
+static inline struct skcipher_givcrypt_request *skcipher_givcrypt_alloc(
+	struct crypto_ablkcipher *tfm, gfp_t gfp)
+{
+	struct skcipher_givcrypt_request *req;
+
+	req = kmalloc(sizeof(struct skcipher_givcrypt_request) +
+		      crypto_ablkcipher_reqsize(tfm), gfp);
+
+	if (likely(req))
+		skcipher_givcrypt_set_tfm(req, tfm);
+
+	return req;
+}
+
+static inline void skcipher_givcrypt_free(struct skcipher_givcrypt_request *req)
+{
+	kfree(req);
+}
+
+static inline void skcipher_givcrypt_set_callback(
+	struct skcipher_givcrypt_request *req, u32 flags,
+	crypto_completion_t complete, void *data)
+{
+	ablkcipher_request_set_callback(&req->creq, flags, complete, data);
+}
+
+static inline void skcipher_givcrypt_set_crypt(
+	struct skcipher_givcrypt_request *req,
+	struct scatterlist *src, struct scatterlist *dst,
+	unsigned int nbytes, void *iv)
+{
+	ablkcipher_request_set_crypt(&req->creq, src, dst, nbytes, iv);
+}
+
+static inline void skcipher_givcrypt_set_giv(
+	struct skcipher_givcrypt_request *req, u8 *giv, u64 seq)
+{
+	req->giv = giv;
+	req->seq = seq;
+}
+
+/**
+ * DOC: Symmetric Key Cipher API
+ *
+ * Symmetric key cipher API is used with the ciphers of type
+ * CRYPTO_ALG_TYPE_SKCIPHER (listed as type "skcipher" in /proc/crypto).
+ *
+ * Asynchronous cipher operations imply that the function invocation for a
+ * cipher request returns immediately before the completion of the operation.
+ * The cipher request is scheduled as a separate kernel thread and therefore
+ * load-balanced on the different CPUs via the process scheduler. To allow
+ * the kernel crypto API to inform the caller about the completion of a cipher
+ * request, the caller must provide a callback function. That function is
+ * invoked with the cipher handle when the request completes.
+ *
+ * To support the asynchronous operation, additional information than just the
+ * cipher handle must be supplied to the kernel crypto API. That additional
+ * information is given by filling in the skcipher_request data structure.
+ *
+ * For the symmetric key cipher API, the state is maintained with the tfm
+ * cipher handle. A single tfm can be used across multiple calls and in
+ * parallel. For asynchronous block cipher calls, context data supplied and
+ * only used by the caller can be referenced the request data structure in
+ * addition to the IV used for the cipher request. The maintenance of such
+ * state information would be important for a crypto driver implementer to
+ * have, because when calling the callback function upon completion of the
+ * cipher operation, that callback function may need some information about
+ * which operation just finished if it invoked multiple in parallel. This
+ * state information is unused by the kernel crypto API.
+ */
+
+static inline struct crypto_skcipher *__crypto_skcipher_cast(
+	struct crypto_tfm *tfm)
+{
+	return container_of(tfm, struct crypto_skcipher, base);
+}
+
+/**
+ * crypto_alloc_skcipher() - allocate symmetric key cipher handle
+ * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
+ *	      skcipher cipher
+ * @type: specifies the type of the cipher
+ * @mask: specifies the mask for the cipher
+ *
+ * Allocate a cipher handle for an skcipher. The returned struct
+ * crypto_skcipher is the cipher handle that is required for any subsequent
+ * API invocation for that skcipher.
+ *
+ * Return: allocated cipher handle in case of success; IS_ERR() is true in case
+ *	   of an error, PTR_ERR() returns the error code.
+ */
+struct crypto_skcipher *crypto_alloc_skcipher(const char *alg_name,
+					      u32 type, u32 mask);
+
+static inline struct crypto_tfm *crypto_skcipher_tfm(
+	struct crypto_skcipher *tfm)
+{
+	return &tfm->base;
+}
+
+/**
+ * crypto_free_skcipher() - zeroize and free cipher handle
+ * @tfm: cipher handle to be freed
+ */
+static inline void crypto_free_skcipher(struct crypto_skcipher *tfm)
+{
+	crypto_destroy_tfm(tfm, crypto_skcipher_tfm(tfm));
+}
+
+/**
+ * crypto_has_skcipher() - Search for the availability of an skcipher.
+ * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
+ *	      skcipher
+ * @type: specifies the type of the cipher
+ * @mask: specifies the mask for the cipher
+ *
+ * Return: true when the skcipher is known to the kernel crypto API; false
+ *	   otherwise
+ */
+static inline int crypto_has_skcipher(const char *alg_name, u32 type,
+					u32 mask)
+{
+	return crypto_has_alg(alg_name, crypto_skcipher_type(type),
+			      crypto_skcipher_mask(mask));
+}
+
+/**
+ * crypto_skcipher_ivsize() - obtain IV size
+ * @tfm: cipher handle
+ *
+ * The size of the IV for the skcipher referenced by the cipher handle is
+ * returned. This IV size may be zero if the cipher does not need an IV.
+ *
+ * Return: IV size in bytes
+ */
+static inline unsigned int crypto_skcipher_ivsize(struct crypto_skcipher *tfm)
+{
+	return tfm->ivsize;
+}
+
+/**
+ * crypto_skcipher_blocksize() - obtain block size of cipher
+ * @tfm: cipher handle
+ *
+ * The block size for the skcipher referenced with the cipher handle is
+ * returned. The caller may use that information to allocate appropriate
+ * memory for the data returned by the encryption or decryption operation
+ *
+ * Return: block size of cipher
+ */
+static inline unsigned int crypto_skcipher_blocksize(
+	struct crypto_skcipher *tfm)
+{
+	return crypto_tfm_alg_blocksize(crypto_skcipher_tfm(tfm));
+}
+
+static inline unsigned int crypto_skcipher_alignmask(
+	struct crypto_skcipher *tfm)
+{
+	return crypto_tfm_alg_alignmask(crypto_skcipher_tfm(tfm));
+}
+
+static inline u32 crypto_skcipher_get_flags(struct crypto_skcipher *tfm)
+{
+	return crypto_tfm_get_flags(crypto_skcipher_tfm(tfm));
+}
+
+static inline void crypto_skcipher_set_flags(struct crypto_skcipher *tfm,
+					       u32 flags)
+{
+	crypto_tfm_set_flags(crypto_skcipher_tfm(tfm), flags);
+}
+
+static inline void crypto_skcipher_clear_flags(struct crypto_skcipher *tfm,
+						 u32 flags)
+{
+	crypto_tfm_clear_flags(crypto_skcipher_tfm(tfm), flags);
+}
+
+/**
+ * crypto_skcipher_setkey() - set key for cipher
+ * @tfm: cipher handle
+ * @key: buffer holding the key
+ * @keylen: length of the key in bytes
+ *
+ * The caller provided key is set for the skcipher referenced by the cipher
+ * handle.
+ *
+ * Note, the key length determines the cipher type. Many block ciphers implement
+ * different cipher modes depending on the key size, such as AES-128 vs AES-192
+ * vs. AES-256. When providing a 16 byte key for an AES cipher handle, AES-128
+ * is performed.
+ *
+ * Return: 0 if the setting of the key was successful; < 0 if an error occurred
+ */
+static inline int crypto_skcipher_setkey(struct crypto_skcipher *tfm,
+					 const u8 *key, unsigned int keylen)
+{
+	return tfm->setkey(tfm, key, keylen);
+}
+
+/**
+ * crypto_skcipher_reqtfm() - obtain cipher handle from request
+ * @req: skcipher_request out of which the cipher handle is to be obtained
+ *
+ * Return the crypto_skcipher handle when furnishing an skcipher_request
+ * data structure.
+ *
+ * Return: crypto_skcipher handle
+ */
+static inline struct crypto_skcipher *crypto_skcipher_reqtfm(
+	struct skcipher_request *req)
+{
+	return __crypto_skcipher_cast(req->base.tfm);
+}
+
+/**
+ * crypto_skcipher_encrypt() - encrypt plaintext
+ * @req: reference to the skcipher_request handle that holds all information
+ *	 needed to perform the cipher operation
+ *
+ * Encrypt plaintext data using the skcipher_request handle. That data
+ * structure and how it is filled with data is discussed with the
+ * skcipher_request_* functions.
+ *
+ * Return: 0 if the cipher operation was successful; < 0 if an error occurred
+ */
+static inline int crypto_skcipher_encrypt(struct skcipher_request *req)
+{
+	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+
+	return tfm->encrypt(req);
+}
+
+/**
+ * crypto_skcipher_decrypt() - decrypt ciphertext
+ * @req: reference to the skcipher_request handle that holds all information
+ *	 needed to perform the cipher operation
+ *
+ * Decrypt ciphertext data using the skcipher_request handle. That data
+ * structure and how it is filled with data is discussed with the
+ * skcipher_request_* functions.
+ *
+ * Return: 0 if the cipher operation was successful; < 0 if an error occurred
+ */
+static inline int crypto_skcipher_decrypt(struct skcipher_request *req)
+{
+	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+
+	return tfm->decrypt(req);
+}
+
+/**
+ * DOC: Symmetric Key Cipher Request Handle
+ *
+ * The skcipher_request data structure contains all pointers to data
+ * required for the symmetric key cipher operation. This includes the cipher
+ * handle (which can be used by multiple skcipher_request instances), pointer
+ * to plaintext and ciphertext, asynchronous callback function, etc. It acts
+ * as a handle to the skcipher_request_* API calls in a similar way as
+ * skcipher handle to the crypto_skcipher_* API calls.
+ */
+
+/**
+ * crypto_skcipher_reqsize() - obtain size of the request data structure
+ * @tfm: cipher handle
+ *
+ * Return: number of bytes
+ */
+static inline unsigned int crypto_skcipher_reqsize(struct crypto_skcipher *tfm)
+{
+	return tfm->reqsize;
+}
+
+/**
+ * skcipher_request_set_tfm() - update cipher handle reference in request
+ * @req: request handle to be modified
+ * @tfm: cipher handle that shall be added to the request handle
+ *
+ * Allow the caller to replace the existing skcipher handle in the request
+ * data structure with a different one.
+ */
+static inline void skcipher_request_set_tfm(struct skcipher_request *req,
+					    struct crypto_skcipher *tfm)
+{
+	req->base.tfm = crypto_skcipher_tfm(tfm);
+}
+
+static inline struct skcipher_request *skcipher_request_cast(
+	struct crypto_async_request *req)
+{
+	return container_of(req, struct skcipher_request, base);
+}
+
+/**
+ * skcipher_request_alloc() - allocate request data structure
+ * @tfm: cipher handle to be registered with the request
+ * @gfp: memory allocation flag that is handed to kmalloc by the API call.
+ *
+ * Allocate the request data structure that must be used with the skcipher
+ * encrypt and decrypt API calls. During the allocation, the provided skcipher
+ * handle is registered in the request data structure.
+ *
+ * Return: allocated request handle in case of success; IS_ERR() is true in case
+ *	   of an error, PTR_ERR() returns the error code.
+ */
+static inline struct skcipher_request *skcipher_request_alloc(
+	struct crypto_skcipher *tfm, gfp_t gfp)
+{
+	struct skcipher_request *req;
+
+	req = kmalloc(sizeof(struct skcipher_request) +
+		      crypto_skcipher_reqsize(tfm), gfp);
+
+	if (likely(req))
+		skcipher_request_set_tfm(req, tfm);
+
+	return req;
+}
+
+/**
+ * skcipher_request_free() - zeroize and free request data structure
+ * @req: request data structure cipher handle to be freed
+ */
+static inline void skcipher_request_free(struct skcipher_request *req)
+{
+	kzfree(req);
+}
+
+static inline void skcipher_request_zero(struct skcipher_request *req)
+{
+	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+
+	memset(req, 0, sizeof(*req) + crypto_skcipher_reqsize(tfm));
+	barrier();
+}
+
+/**
+ * skcipher_request_set_callback() - set asynchronous callback function
+ * @req: request handle
+ * @flags: specify zero or an ORing of the flags
+ *         CRYPTO_TFM_REQ_MAY_BACKLOG the request queue may back log and
+ *	   increase the wait queue beyond the initial maximum size;
+ *	   CRYPTO_TFM_REQ_MAY_SLEEP the request processing may sleep
+ * @compl: callback function pointer to be registered with the request handle
+ * @data: The data pointer refers to memory that is not used by the kernel
+ *	  crypto API, but provided to the callback function for it to use. Here,
+ *	  the caller can provide a reference to memory the callback function can
+ *	  operate on. As the callback function is invoked asynchronously to the
+ *	  related functionality, it may need to access data structures of the
+ *	  related functionality which can be referenced using this pointer. The
+ *	  callback function can access the memory via the "data" field in the
+ *	  crypto_async_request data structure provided to the callback function.
+ *
+ * This function allows setting the callback function that is triggered once the
+ * cipher operation completes.
+ *
+ * The callback function is registered with the skcipher_request handle and
+ * must comply with the following template
+ *
+ *	void callback_function(struct crypto_async_request *req, int error)
+ */
+static inline void skcipher_request_set_callback(struct skcipher_request *req,
+						 u32 flags,
+						 crypto_completion_t compl,
+						 void *data)
+{
+	req->base.complete = compl;
+	req->base.data = data;
+	req->base.flags = flags;
+}
+
+/**
+ * skcipher_request_set_crypt() - set data buffers
+ * @req: request handle
+ * @src: source scatter / gather list
+ * @dst: destination scatter / gather list
+ * @cryptlen: number of bytes to process from @src
+ * @iv: IV for the cipher operation which must comply with the IV size defined
+ *      by crypto_skcipher_ivsize
+ *
+ * This function allows setting of the source data and destination data
+ * scatter / gather lists.
+ *
+ * For encryption, the source is treated as the plaintext and the
+ * destination is the ciphertext. For a decryption operation, the use is
+ * reversed - the source is the ciphertext and the destination is the plaintext.
+ */
+static inline void skcipher_request_set_crypt(
+	struct skcipher_request *req,
+	struct scatterlist *src, struct scatterlist *dst,
+	unsigned int cryptlen, void *iv)
+{
+	req->src = src;
+	req->dst = dst;
+	req->cryptlen = cryptlen;
+	req->iv = iv;
+}
+
+#endif	/* _CRYPTO_SKCIPHER_H */
+

include/crypto/twofish.h

@@ -0,0 +1,24 @@
+#ifndef _CRYPTO_TWOFISH_H
+#define _CRYPTO_TWOFISH_H
+
+#include <linux/types.h>
+
+#define TF_MIN_KEY_SIZE 16
+#define TF_MAX_KEY_SIZE 32
+#define TF_BLOCK_SIZE 16
+
+struct crypto_tfm;
+
+/* Structure for an expanded Twofish key.  s contains the key-dependent
+ * S-boxes composed with the MDS matrix; w contains the eight "whitening"
+ * subkeys, K[0] through K[7].	k holds the remaining, "round" subkeys.  Note
+ * that k[i] corresponds to what the Twofish paper calls K[i+8]. */
+struct twofish_ctx {
+	u32 s[4][256], w[8], k[32];
+};
+
+int __twofish_setkey(struct twofish_ctx *ctx, const u8 *key,
+		     unsigned int key_len, u32 *flags);
+int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len);
+
+#endif

include/crypto/vmac.h

@@ -0,0 +1,63 @@
+/*
+ * Modified to interface to the Linux kernel
+ * Copyright (c) 2009, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef __CRYPTO_VMAC_H
+#define __CRYPTO_VMAC_H
+
+/* --------------------------------------------------------------------------
+ * VMAC and VHASH Implementation by Ted Krovetz (tdk@acm.org) and Wei Dai.
+ * This implementation is herby placed in the public domain.
+ * The authors offers no warranty. Use at your own risk.
+ * Please send bug reports to the authors.
+ * Last modified: 17 APR 08, 1700 PDT
+ * ----------------------------------------------------------------------- */
+
+/*
+ * User definable settings.
+ */
+#define VMAC_TAG_LEN	64
+#define VMAC_KEY_SIZE	128/* Must be 128, 192 or 256			*/
+#define VMAC_KEY_LEN	(VMAC_KEY_SIZE/8)
+#define VMAC_NHBYTES	128/* Must 2^i for any 3 < i < 13 Standard = 128*/
+
+/*
+ * This implementation uses u32 and u64 as names for unsigned 32-
+ * and 64-bit integer types. These are defined in C99 stdint.h. The
+ * following may need adaptation if you are not running a C99 or
+ * Microsoft C environment.
+ */
+struct vmac_ctx {
+	u64 nhkey[(VMAC_NHBYTES/8)+2*(VMAC_TAG_LEN/64-1)];
+	u64 polykey[2*VMAC_TAG_LEN/64];
+	u64 l3key[2*VMAC_TAG_LEN/64];
+	u64 polytmp[2*VMAC_TAG_LEN/64];
+	u64 cached_nonce[2];
+	u64 cached_aes[2];
+	int first_block_processed;
+};
+
+typedef u64 vmac_t;
+
+struct vmac_ctx_t {
+	struct crypto_cipher *child;
+	struct vmac_ctx __vmac_ctx;
+	u8 partial[VMAC_NHBYTES];	/* partial block */
+	int partial_size;		/* size of the partial block */
+};
+
+#endif /* __CRYPTO_VMAC_H */

include/crypto/xts.h

@@ -0,0 +1,27 @@
+#ifndef _CRYPTO_XTS_H
+#define _CRYPTO_XTS_H
+
+#include <crypto/b128ops.h>
+
+struct scatterlist;
+struct blkcipher_desc;
+
+#define XTS_BLOCK_SIZE 16
+
+struct xts_crypt_req {
+	be128 *tbuf;
+	unsigned int tbuflen;
+
+	void *tweak_ctx;
+	void (*tweak_fn)(void *ctx, u8* dst, const u8* src);
+	void *crypt_ctx;
+	void (*crypt_fn)(void *ctx, u8 *blks, unsigned int nbytes);
+};
+
+#define XTS_TWEAK_CAST(x) ((void (*)(void *, u8*, const u8*))(x))
+
+int xts_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+	      struct scatterlist *src, unsigned int nbytes,
+	      struct xts_crypt_req *req);
+
+#endif  /* _CRYPTO_XTS_H */