Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto update from Herbert Xu:
 "API:
   - Add helper for simple skcipher modes.
   - Add helper to register multiple templates.
   - Set CRYPTO_TFM_NEED_KEY when setkey fails.
   - Require neither or both of export/import in shash.
   - AEAD decryption test vectors are now generated from encryption
     ones.
   - New option CONFIG_CRYPTO_MANAGER_EXTRA_TESTS that includes random
     fuzzing.

  Algorithms:
   - Conversions to skcipher and helper for many templates.
   - Add more test vectors for nhpoly1305 and adiantum.

  Drivers:
   - Add crypto4xx prng support.
   - Add xcbc/cmac/ecb support in caam.
   - Add AES support for Exynos5433 in s5p.
   - Remove sha384/sha512 from artpec7 as hardware cannot do partial
     hash"

[ There is a merge of the Freescale SoC tree in order to pull in changes
  required by patches to the caam/qi2 driver. ]

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (174 commits)
  crypto: s5p - add AES support for Exynos5433
  dt-bindings: crypto: document Exynos5433 SlimSSS
  crypto: crypto4xx - add missing of_node_put after of_device_is_available
  crypto: cavium/zip - fix collision with generic cra_driver_name
  crypto: af_alg - use struct_size() in sock_kfree_s()
  crypto: caam - remove redundant likely/unlikely annotation
  crypto: s5p - update iv after AES-CBC op end
  crypto: x86/poly1305 - Clear key material from stack in SSE2 variant
  crypto: caam - generate hash keys in-place
  crypto: caam - fix DMA mapping xcbc key twice
  crypto: caam - fix hash context DMA unmap size
  hwrng: bcm2835 - fix probe as platform device
  crypto: s5p-sss - Use AES_BLOCK_SIZE define instead of number
  crypto: stm32 - drop pointless static qualifier in stm32_hash_remove()
  crypto: chelsio - Fixed Traffic Stall
  crypto: marvell - Remove set but not used variable 'ivsize'
  crypto: ccp - Update driver messages to remove some confusion
  crypto: adiantum - add 1536 and 4096-byte test vectors
  crypto: nhpoly1305 - add a test vector with len % 16 != 0
  crypto: arm/aes-ce - update IV after partial final CTR block
  ...

1 files changed, 45 insertions, 42 deletions

diff --git a/crypto/arc4.c b/crypto/arc4.c
index f1a81925558f..6c93342e3405 100644
--- a/crypto/arc4.c
+++ b/crypto/arc4.c
@@ -12,14 +12,11 @@
  *
  */
 
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/crypto.h>
 #include <crypto/algapi.h>
-
-#define ARC4_MIN_KEY_SIZE	1
-#define ARC4_MAX_KEY_SIZE	256
-#define ARC4_BLOCK_SIZE		1
+#include <crypto/arc4.h>
+#include <crypto/internal/skcipher.h>
+#include <linux/init.h>
+#include <linux/module.h>
 
 struct arc4_ctx {
 	u32 S[256];
@@ -50,6 +47,12 @@ static int arc4_set_key(struct crypto_tfm *tfm, const u8 *in_key,
 	return 0;
 }
 
+static int arc4_set_key_skcipher(struct crypto_skcipher *tfm, const u8 *in_key,
+				 unsigned int key_len)
+{
+	return arc4_set_key(&tfm->base, in_key, key_len);
+}
+
 static void arc4_crypt(struct arc4_ctx *ctx, u8 *out, const u8 *in,
 		       unsigned int len)
 {
@@ -92,30 +95,25 @@ static void arc4_crypt_one(struct crypto_tfm *tfm, u8 *out, const u8 *in)
 	arc4_crypt(crypto_tfm_ctx(tfm), out, in, 1);
 }
 
-static int ecb_arc4_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
-			  struct scatterlist *src, unsigned int nbytes)
+static int ecb_arc4_crypt(struct skcipher_request *req)
 {
-	struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
-	struct blkcipher_walk walk;
+	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+	struct arc4_ctx *ctx = crypto_skcipher_ctx(tfm);
+	struct skcipher_walk walk;
 	int err;
 
-	blkcipher_walk_init(&walk, dst, src, nbytes);
-
-	err = blkcipher_walk_virt(desc, &walk);
+	err = skcipher_walk_virt(&walk, req, false);
 
 	while (walk.nbytes > 0) {
-		u8 *wsrc = walk.src.virt.addr;
-		u8 *wdst = walk.dst.virt.addr;
-
-		arc4_crypt(ctx, wdst, wsrc, walk.nbytes);
-
-		err = blkcipher_walk_done(desc, &walk, 0);
+		arc4_crypt(ctx, walk.dst.virt.addr, walk.src.virt.addr,
+			   walk.nbytes);
+		err = skcipher_walk_done(&walk, 0);
 	}
 
 	return err;
 }
 
-static struct crypto_alg arc4_algs[2] = { {
+static struct crypto_alg arc4_cipher = {
 	.cra_name		=	"arc4",
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	ARC4_BLOCK_SIZE,
@@ -130,34 +128,39 @@ static struct crypto_alg arc4_algs[2] = { {
 			.cia_decrypt		=	arc4_crypt_one,
 		},
 	},
-}, {
-	.cra_name		=	"ecb(arc4)",
-	.cra_priority		=	100,
-	.cra_flags		=	CRYPTO_ALG_TYPE_BLKCIPHER,
-	.cra_blocksize		=	ARC4_BLOCK_SIZE,
-	.cra_ctxsize		=	sizeof(struct arc4_ctx),
-	.cra_alignmask		=	0,
-	.cra_type		=	&crypto_blkcipher_type,
-	.cra_module		=	THIS_MODULE,
-	.cra_u			=	{
-		.blkcipher = {
-			.min_keysize	=	ARC4_MIN_KEY_SIZE,
-			.max_keysize	=	ARC4_MAX_KEY_SIZE,
-			.setkey		=	arc4_set_key,
-			.encrypt	=	ecb_arc4_crypt,
-			.decrypt	=	ecb_arc4_crypt,
-		},
-	},
-} };
+};
+
+static struct skcipher_alg arc4_skcipher = {
+	.base.cra_name		=	"ecb(arc4)",
+	.base.cra_priority	=	100,
+	.base.cra_blocksize	=	ARC4_BLOCK_SIZE,
+	.base.cra_ctxsize	=	sizeof(struct arc4_ctx),
+	.base.cra_module	=	THIS_MODULE,
+	.min_keysize		=	ARC4_MIN_KEY_SIZE,
+	.max_keysize		=	ARC4_MAX_KEY_SIZE,
+	.setkey			=	arc4_set_key_skcipher,
+	.encrypt		=	ecb_arc4_crypt,
+	.decrypt		=	ecb_arc4_crypt,
+};
 
 static int __init arc4_init(void)
 {
-	return crypto_register_algs(arc4_algs, ARRAY_SIZE(arc4_algs));
+	int err;
+
+	err = crypto_register_alg(&arc4_cipher);
+	if (err)
+		return err;
+
+	err = crypto_register_skcipher(&arc4_skcipher);
+	if (err)
+		crypto_unregister_alg(&arc4_cipher);
+	return err;
 }
 
 static void __exit arc4_exit(void)
 {
-	crypto_unregister_algs(arc4_algs, ARRAY_SIZE(arc4_algs));
+	crypto_unregister_alg(&arc4_cipher);
+	crypto_unregister_skcipher(&arc4_skcipher);
 }
 
 module_init(arc4_init);