MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141

pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040

stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch

mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch

Signed-off-by: Andy Green <andy@openmoko.com>

1 files changed, 67 insertions, 60 deletions

diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c
index bc3686138ae..3bea38d1224 100644
--- a/crypto/sha512_generic.c
+++ b/crypto/sha512_generic.c
@@ -10,7 +10,7 @@
  * later version.
  *
  */
-
+#include <crypto/internal/hash.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/mm.h>
@@ -18,16 +18,17 @@
 #include <linux/crypto.h>
 #include <linux/types.h>
 #include <crypto/sha.h>
-
+#include <linux/percpu.h>
 #include <asm/byteorder.h>
 
 struct sha512_ctx {
 	u64 state[8];
 	u32 count[4];
 	u8 buf[128];
-	u64 W[80];
 };
 
+static DEFINE_PER_CPU(u64[80], msg_schedule);
+
 static inline u64 Ch(u64 x, u64 y, u64 z)
 {
         return z ^ (x & (y ^ z));
@@ -89,11 +90,12 @@ static inline void BLEND_OP(int I, u64 *W)
 }
 
 static void
-sha512_transform(u64 *state, u64 *W, const u8 *input)
+sha512_transform(u64 *state, const u8 *input)
 {
 	u64 a, b, c, d, e, f, g, h, t1, t2;
 
 	int i;
+	u64 *W = get_cpu_var(msg_schedule);
 
 	/* load the input */
         for (i = 0; i < 16; i++)
@@ -132,12 +134,14 @@ sha512_transform(u64 *state, u64 *W, const u8 *input)
 
 	/* erase our data */
 	a = b = c = d = e = f = g = h = t1 = t2 = 0;
+	memset(W, 0, sizeof(__get_cpu_var(msg_schedule)));
+	put_cpu_var(msg_schedule);
 }
 
-static void
-sha512_init(struct crypto_tfm *tfm)
+static int
+sha512_init(struct shash_desc *desc)
 {
-	struct sha512_ctx *sctx = crypto_tfm_ctx(tfm);
+	struct sha512_ctx *sctx = shash_desc_ctx(desc);
 	sctx->state[0] = SHA512_H0;
 	sctx->state[1] = SHA512_H1;
 	sctx->state[2] = SHA512_H2;
@@ -147,12 +151,14 @@ sha512_init(struct crypto_tfm *tfm)
 	sctx->state[6] = SHA512_H6;
 	sctx->state[7] = SHA512_H7;
 	sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
+
+	return 0;
 }
 
-static void
-sha384_init(struct crypto_tfm *tfm)
+static int
+sha384_init(struct shash_desc *desc)
 {
-	struct sha512_ctx *sctx = crypto_tfm_ctx(tfm);
+	struct sha512_ctx *sctx = shash_desc_ctx(desc);
 	sctx->state[0] = SHA384_H0;
 	sctx->state[1] = SHA384_H1;
 	sctx->state[2] = SHA384_H2;
@@ -162,12 +168,14 @@ sha384_init(struct crypto_tfm *tfm)
 	sctx->state[6] = SHA384_H6;
 	sctx->state[7] = SHA384_H7;
         sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
+
+	return 0;
 }
 
-static void
-sha512_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
+static int
+sha512_update(struct shash_desc *desc, const u8 *data, unsigned int len)
 {
-	struct sha512_ctx *sctx = crypto_tfm_ctx(tfm);
+	struct sha512_ctx *sctx = shash_desc_ctx(desc);
 
 	unsigned int i, index, part_len;
 
@@ -187,10 +195,10 @@ sha512_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
 	/* Transform as many times as possible. */
 	if (len >= part_len) {
 		memcpy(&sctx->buf[index], data, part_len);
-		sha512_transform(sctx->state, sctx->W, sctx->buf);
+		sha512_transform(sctx->state, sctx->buf);
 
 		for (i = part_len; i + 127 < len; i+=128)
-			sha512_transform(sctx->state, sctx->W, &data[i]);
+			sha512_transform(sctx->state, &data[i]);
 
 		index = 0;
 	} else {
@@ -200,14 +208,13 @@ sha512_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
 	/* Buffer remaining input */
 	memcpy(&sctx->buf[index], &data[i], len - i);
 
-	/* erase our data */
-	memset(sctx->W, 0, sizeof(sctx->W));
+	return 0;
 }
 
-static void
-sha512_final(struct crypto_tfm *tfm, u8 *hash)
+static int
+sha512_final(struct shash_desc *desc, u8 *hash)
 {
-	struct sha512_ctx *sctx = crypto_tfm_ctx(tfm);
+	struct sha512_ctx *sctx = shash_desc_ctx(desc);
         static u8 padding[128] = { 0x80, };
 	__be64 *dst = (__be64 *)hash;
 	__be32 bits[4];
@@ -223,10 +230,10 @@ sha512_final(struct crypto_tfm *tfm, u8 *hash)
 	/* Pad out to 112 mod 128. */
 	index = (sctx->count[0] >> 3) & 0x7f;
 	pad_len = (index < 112) ? (112 - index) : ((128+112) - index);
-	sha512_update(tfm, padding, pad_len);
+	sha512_update(desc, padding, pad_len);
 
 	/* Append length (before padding) */
-	sha512_update(tfm, (const u8 *)bits, sizeof(bits));
+	sha512_update(desc, (const u8 *)bits, sizeof(bits));
 
 	/* Store state in digest */
 	for (i = 0; i < 8; i++)
@@ -234,66 +241,66 @@ sha512_final(struct crypto_tfm *tfm, u8 *hash)
 
 	/* Zeroize sensitive information. */
 	memset(sctx, 0, sizeof(struct sha512_ctx));
+
+	return 0;
 }
 
-static void sha384_final(struct crypto_tfm *tfm, u8 *hash)
+static int sha384_final(struct shash_desc *desc, u8 *hash)
 {
-        u8 D[64];
+	u8 D[64];
+
+	sha512_final(desc, D);
 
-	sha512_final(tfm, D);
+	memcpy(hash, D, 48);
+	memset(D, 0, 64);
 
-        memcpy(hash, D, 48);
-        memset(D, 0, 64);
+	return 0;
 }
 
-static struct crypto_alg sha512 = {
-        .cra_name       = "sha512",
-        .cra_flags      = CRYPTO_ALG_TYPE_DIGEST,
-	.cra_blocksize  = SHA512_BLOCK_SIZE,
-        .cra_ctxsize    = sizeof(struct sha512_ctx),
-        .cra_module     = THIS_MODULE,
-	.cra_alignmask	= 3,
-        .cra_list       = LIST_HEAD_INIT(sha512.cra_list),
-        .cra_u          = { .digest = {
-                                .dia_digestsize = SHA512_DIGEST_SIZE,
-                                .dia_init       = sha512_init,
-                                .dia_update     = sha512_update,
-                                .dia_final      = sha512_final }
-        }
+static struct shash_alg sha512 = {
+	.digestsize	=	SHA512_DIGEST_SIZE,
+	.init		=	sha512_init,
+	.update		=	sha512_update,
+	.final		=	sha512_final,
+	.descsize	=	sizeof(struct sha512_ctx),
+	.base		=	{
+		.cra_name	=	"sha512",
+		.cra_flags	=	CRYPTO_ALG_TYPE_SHASH,
+		.cra_blocksize	=	SHA512_BLOCK_SIZE,
+		.cra_module	=	THIS_MODULE,
+	}
 };
 
-static struct crypto_alg sha384 = {
-        .cra_name       = "sha384",
-        .cra_flags      = CRYPTO_ALG_TYPE_DIGEST,
-	.cra_blocksize  = SHA384_BLOCK_SIZE,
-        .cra_ctxsize    = sizeof(struct sha512_ctx),
-	.cra_alignmask	= 3,
-        .cra_module     = THIS_MODULE,
-        .cra_list       = LIST_HEAD_INIT(sha384.cra_list),
-        .cra_u          = { .digest = {
-                                .dia_digestsize = SHA384_DIGEST_SIZE,
-                                .dia_init       = sha384_init,
-                                .dia_update     = sha512_update,
-                                .dia_final      = sha384_final }
-        }
+static struct shash_alg sha384 = {
+	.digestsize	=	SHA384_DIGEST_SIZE,
+	.init		=	sha384_init,
+	.update		=	sha512_update,
+	.final		=	sha384_final,
+	.descsize	=	sizeof(struct sha512_ctx),
+	.base		=	{
+		.cra_name	=	"sha384",
+		.cra_flags	=	CRYPTO_ALG_TYPE_SHASH,
+		.cra_blocksize	=	SHA384_BLOCK_SIZE,
+		.cra_module	=	THIS_MODULE,
+	}
 };
 
 static int __init sha512_generic_mod_init(void)
 {
         int ret = 0;
 
-        if ((ret = crypto_register_alg(&sha384)) < 0)
+        if ((ret = crypto_register_shash(&sha384)) < 0)
                 goto out;
-        if ((ret = crypto_register_alg(&sha512)) < 0)
-                crypto_unregister_alg(&sha384);
+        if ((ret = crypto_register_shash(&sha512)) < 0)
+                crypto_unregister_shash(&sha384);
 out:
         return ret;
 }
 
 static void __exit sha512_generic_mod_fini(void)
 {
-        crypto_unregister_alg(&sha384);
-        crypto_unregister_alg(&sha512);
+        crypto_unregister_shash(&sha384);
+        crypto_unregister_shash(&sha512);
 }
 
 module_init(sha512_generic_mod_init);