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Commit e14e61e9 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (57 commits)
  crypto: aes - Precompute tables
  crypto: talitos - Ack done interrupt in isr instead of tasklet
  crypto: testmgr - Correct comment about deflate parameters
  crypto: salsa20 - Remove private wrappers around various operations
  crypto: des3_ede - permit weak keys unless REQ_WEAK_KEY set
  crypto: sha512 - Switch to shash 
  crypto: sha512 - Move message schedule W[80] to static percpu area
  crypto: michael_mic - Switch to shash
  crypto: wp512 - Switch to shash
  crypto: tgr192 - Switch to shash
  crypto: sha256 - Switch to shash
  crypto: md5 - Switch to shash
  crypto: md4 - Switch to shash
  crypto: sha1 - Switch to shash
  crypto: rmd320 - Switch to shash
  crypto: rmd256 - Switch to shash
  crypto: rmd160 - Switch to shash
  crypto: rmd128 - Switch to shash
  crypto: null - Switch to shash
  crypto: hash - Make setkey optional
  ...
parents cb10ea54 0ee4a969

arch/x86/crypto/crc32c-intel.c

+61 −60
Original line number Diff line number Diff line
@@ -6,13 +6,22 @@ 
 * Intel(R) 64 and IA-32 Architectures Software Developer's Manual

 * Volume 2A: Instruction Set Reference, A-M

 *

 * Copyright (c) 2008 Austin Zhang <austin_zhang@linux.intel.com>

 * Copyright (c) 2008 Kent Liu <kent.liu@intel.com>

 * Copyright (C) 2008 Intel Corporation

 * Authors: Austin Zhang <austin_zhang@linux.intel.com>

 *          Kent Liu <kent.liu@intel.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.

 * 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.

 *

 */

#include <linux/init.h>
@@ -75,99 +84,92 @@ static u32 __pure crc32c_intel_le_hw(u32 crc, unsigned char const *p, size_t len 
 * If your algorithm starts with ~0, then XOR with ~0 before you set

 * the seed.

 */

static int crc32c_intel_setkey(struct crypto_ahash *hash, const u8 *key,

static int crc32c_intel_setkey(struct crypto_shash *hash, const u8 *key,

			unsigned int keylen)

{

	u32 *mctx = crypto_ahash_ctx(hash);

	u32 *mctx = crypto_shash_ctx(hash);



	if (keylen != sizeof(u32)) {

		crypto_ahash_set_flags(hash, CRYPTO_TFM_RES_BAD_KEY_LEN);

		crypto_shash_set_flags(hash, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return -EINVAL;

	}

	*mctx = le32_to_cpup((__le32 *)key);

	return 0;

}



static int crc32c_intel_init(struct ahash_request *req)

static int crc32c_intel_init(struct shash_desc *desc)

{

	u32 *mctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));

	u32 *crcp = ahash_request_ctx(req);

	u32 *mctx = crypto_shash_ctx(desc->tfm);

	u32 *crcp = shash_desc_ctx(desc);



	*crcp = *mctx;



	return 0;

}



static int crc32c_intel_update(struct ahash_request *req)

static int crc32c_intel_update(struct shash_desc *desc, const u8 *data,

			       unsigned int len)

{

	struct crypto_hash_walk walk;

	u32 *crcp = ahash_request_ctx(req);

	u32 crc = *crcp;

	int nbytes;



	for (nbytes = crypto_hash_walk_first(req, &walk); nbytes;

	   nbytes = crypto_hash_walk_done(&walk, 0))

	crc = crc32c_intel_le_hw(crc, walk.data, nbytes);

	u32 *crcp = shash_desc_ctx(desc);



	*crcp = crc;

	*crcp = crc32c_intel_le_hw(*crcp, data, len);

	return 0;

}



static int crc32c_intel_final(struct ahash_request *req)

static int __crc32c_intel_finup(u32 *crcp, const u8 *data, unsigned int len,

				u8 *out)

{

	u32 *crcp = ahash_request_ctx(req);



	*(__le32 *)req->result = ~cpu_to_le32p(crcp);

	*(__le32 *)out = ~cpu_to_le32(crc32c_intel_le_hw(*crcp, data, len));

	return 0;

}



static int crc32c_intel_digest(struct ahash_request *req)

static int crc32c_intel_finup(struct shash_desc *desc, const u8 *data,

			      unsigned int len, u8 *out)

{

	struct crypto_hash_walk walk;

	u32 *mctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));

	u32 crc = *mctx;

	int nbytes;

	return __crc32c_intel_finup(shash_desc_ctx(desc), data, len, out);

}



	for (nbytes = crypto_hash_walk_first(req, &walk); nbytes;

	   nbytes = crypto_hash_walk_done(&walk, 0))

		crc = crc32c_intel_le_hw(crc, walk.data, nbytes);

static int crc32c_intel_final(struct shash_desc *desc, u8 *out)

{

	u32 *crcp = shash_desc_ctx(desc);



	*(__le32 *)req->result = ~cpu_to_le32(crc);

	*(__le32 *)out = ~cpu_to_le32p(crcp);

	return 0;

}



static int crc32c_intel_digest(struct shash_desc *desc, const u8 *data,

			       unsigned int len, u8 *out)

{

	return __crc32c_intel_finup(crypto_shash_ctx(desc->tfm), data, len,

				    out);

}



static int crc32c_intel_cra_init(struct crypto_tfm *tfm)

{

	u32 *key = crypto_tfm_ctx(tfm);



	*key = ~0;



	tfm->crt_ahash.reqsize = sizeof(u32);



	return 0;

}



static struct crypto_alg alg = {

static struct shash_alg alg = {

	.setkey			=	crc32c_intel_setkey,

	.init			=	crc32c_intel_init,

	.update			=	crc32c_intel_update,

	.final			=	crc32c_intel_final,

	.finup			=	crc32c_intel_finup,

	.digest			=	crc32c_intel_digest,

	.descsize		=	sizeof(u32),

	.digestsize		=	CHKSUM_DIGEST_SIZE,

	.base			=	{

		.cra_name		=	"crc32c",

		.cra_driver_name	=	"crc32c-intel",

		.cra_priority		=	200,

	.cra_flags              =       CRYPTO_ALG_TYPE_AHASH,

		.cra_blocksize		=	CHKSUM_BLOCK_SIZE,

	.cra_alignmask          =       3,

		.cra_ctxsize		=	sizeof(u32),

		.cra_module		=	THIS_MODULE,

	.cra_list               =       LIST_HEAD_INIT(alg.cra_list),

		.cra_init		=	crc32c_intel_cra_init,

	.cra_type               =       &crypto_ahash_type,

	.cra_u                  =       {

		.ahash = {

			.digestsize    =       CHKSUM_DIGEST_SIZE,

			.setkey        =       crc32c_intel_setkey,

			.init          =       crc32c_intel_init,

			.update        =       crc32c_intel_update,

			.final         =       crc32c_intel_final,

			.digest        =       crc32c_intel_digest,

		}

	}

};
@@ -175,14 +177,14 @@ static struct crypto_alg alg = { 
static int __init crc32c_intel_mod_init(void)

{

	if (cpu_has_xmm4_2)

		return crypto_register_alg(&alg);

		return crypto_register_shash(&alg);

	else

		return -ENODEV;

}



static void __exit crc32c_intel_mod_fini(void)

{

	crypto_unregister_alg(&alg);

	crypto_unregister_shash(&alg);

}



module_init(crc32c_intel_mod_init);
@@ -194,4 +196,3 @@ MODULE_LICENSE("GPL"); 


MODULE_ALIAS("crc32c");

MODULE_ALIAS("crc32c-intel");

crypto/Kconfig

+14 −15
Original line number Diff line number Diff line
@@ -102,6 +102,7 @@ config CRYPTO_NULL 
	tristate "Null algorithms"

	select CRYPTO_ALGAPI

	select CRYPTO_BLKCIPHER

	select CRYPTO_HASH

	help

	  These are 'Null' algorithms, used by IPsec, which do nothing.
@@ -256,12 +257,10 @@ comment "Digest" 
config CRYPTO_CRC32C

	tristate "CRC32c CRC algorithm"

	select CRYPTO_HASH

	select LIBCRC32C

	help

	  Castagnoli, et al Cyclic Redundancy-Check Algorithm.  Used

	  by iSCSI for header and data digests and by others.

	  See Castagnoli93.  This implementation uses lib/libcrc32c.

	  Module will be crc32c.

	  See Castagnoli93.  Module will be crc32c.



config CRYPTO_CRC32C_INTEL

	tristate "CRC32c INTEL hardware acceleration"
@@ -277,19 +276,19 @@ config CRYPTO_CRC32C_INTEL 


config CRYPTO_MD4

	tristate "MD4 digest algorithm"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  MD4 message digest algorithm (RFC1320).



config CRYPTO_MD5

	tristate "MD5 digest algorithm"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  MD5 message digest algorithm (RFC1321).



config CRYPTO_MICHAEL_MIC

	tristate "Michael MIC keyed digest algorithm"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  Michael MIC is used for message integrity protection in TKIP

	  (IEEE 802.11i). This algorithm is required for TKIP, but it
@@ -298,7 +297,7 @@ config CRYPTO_MICHAEL_MIC 


config CRYPTO_RMD128

	tristate "RIPEMD-128 digest algorithm"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  RIPEMD-128 (ISO/IEC 10118-3:2004).
@@ -311,7 +310,7 @@ config CRYPTO_RMD128 


config CRYPTO_RMD160

	tristate "RIPEMD-160 digest algorithm"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  RIPEMD-160 (ISO/IEC 10118-3:2004).
@@ -328,7 +327,7 @@ config CRYPTO_RMD160 


config CRYPTO_RMD256

	tristate "RIPEMD-256 digest algorithm"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  RIPEMD-256 is an optional extension of RIPEMD-128 with a

	  256 bit hash. It is intended for applications that require
@@ -340,7 +339,7 @@ config CRYPTO_RMD256 


config CRYPTO_RMD320

	tristate "RIPEMD-320 digest algorithm"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  RIPEMD-320 is an optional extension of RIPEMD-160 with a

	  320 bit hash. It is intended for applications that require
@@ -352,13 +351,13 @@ config CRYPTO_RMD320 


config CRYPTO_SHA1

	tristate "SHA1 digest algorithm"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).



config CRYPTO_SHA256

	tristate "SHA224 and SHA256 digest algorithm"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  SHA256 secure hash standard (DFIPS 180-2).
@@ -370,7 +369,7 @@ config CRYPTO_SHA256 


config CRYPTO_SHA512

	tristate "SHA384 and SHA512 digest algorithms"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  SHA512 secure hash standard (DFIPS 180-2).
@@ -382,7 +381,7 @@ config CRYPTO_SHA512 


config CRYPTO_TGR192

	tristate "Tiger digest algorithms"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  Tiger hash algorithm 192, 160 and 128-bit hashes
@@ -395,7 +394,7 @@ config CRYPTO_TGR192 


config CRYPTO_WP512

	tristate "Whirlpool digest algorithms"

	select CRYPTO_ALGAPI

	select CRYPTO_HASH

	help

	  Whirlpool hash algorithm 512, 384 and 256-bit hashes

crypto/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ obj-$(CONFIG_CRYPTO_SEQIV) += seqiv.o 


crypto_hash-objs := hash.o

crypto_hash-objs += ahash.o

crypto_hash-objs += shash.o

obj-$(CONFIG_CRYPTO_HASH2) += crypto_hash.o



cryptomgr-objs := algboss.o testmgr.o

crypto/aes_generic.c

+1055 −90

File changed.

Preview size limit exceeded, changes collapsed.

crypto/ahash.c

+37 −1
Original line number Diff line number Diff line
@@ -112,6 +112,22 @@ int crypto_hash_walk_first(struct ahash_request *req, 
}

EXPORT_SYMBOL_GPL(crypto_hash_walk_first);



int crypto_hash_walk_first_compat(struct hash_desc *hdesc,

				  struct crypto_hash_walk *walk,

				  struct scatterlist *sg, unsigned int len)

{

	walk->total = len;



	if (!walk->total)

		return 0;



	walk->alignmask = crypto_hash_alignmask(hdesc->tfm);

	walk->sg = sg;

	walk->flags = hdesc->flags;



	return hash_walk_new_entry(walk);

}



static int ahash_setkey_unaligned(struct crypto_ahash *tfm, const u8 *key,

				unsigned int keylen)

{
@@ -146,6 +162,26 @@ static int ahash_setkey(struct crypto_ahash *tfm, const u8 *key, 
	return ahash->setkey(tfm, key, keylen);

}



static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key,

			  unsigned int keylen)

{

	return -ENOSYS;

}



int crypto_ahash_import(struct ahash_request *req, const u8 *in)

{

	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);

	struct ahash_alg *alg = crypto_ahash_alg(tfm);



	memcpy(ahash_request_ctx(req), in, crypto_ahash_reqsize(tfm));



	if (alg->reinit)

		alg->reinit(req);



	return 0;

}

EXPORT_SYMBOL_GPL(crypto_ahash_import);



static unsigned int crypto_ahash_ctxsize(struct crypto_alg *alg, u32 type,

					u32 mask)

{
@@ -164,7 +200,7 @@ static int crypto_init_ahash_ops(struct crypto_tfm *tfm, u32 type, u32 mask) 
	crt->update = alg->update;

	crt->final  = alg->final;

	crt->digest = alg->digest;

	crt->setkey = ahash_setkey;

	crt->setkey = alg->setkey ? ahash_setkey : ahash_nosetkey;

	crt->digestsize = alg->digestsize;



	return 0;