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

Pull crypto update from Herbert Xu:
 "API:
   - Restrict crypto_cipher to internal API users only.

  Algorithms:
   - Add x86 aesni acceleration for cts.
   - Improve x86 aesni acceleration for xts.
   - Remove x86 acceleration of some uncommon algorithms.
   - Remove RIPE-MD, Tiger and Salsa20.
   - Remove tnepres.
   - Add ARM acceleration for BLAKE2s and BLAKE2b.

  Drivers:
   - Add Keem Bay OCS HCU driver.
   - Add Marvell OcteonTX2 CPT PF driver.
   - Remove PicoXcell driver.
   - Remove mediatek driver"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (154 commits)
  hwrng: timeriomem - Use device-managed registration API
  crypto: hisilicon/qm - fix printing format issue
  crypto: hisilicon/qm - do not reset hardware when CE happens
  crypto: hisilicon/qm - update irqflag
  crypto: hisilicon/qm - fix the value of 'QM_SQC_VFT_BASE_MASK_V2'
  crypto: hisilicon/qm - fix request missing error
  crypto: hisilicon/qm - removing driver after reset
  crypto: octeontx2 - fix -Wpointer-bool-conversion warning
  crypto: hisilicon/hpre - enable Elliptic curve cryptography
  crypto: hisilicon - PASID fixed on Kunpeng 930
  crypto: hisilicon/qm - fix use of 'dma_map_single'
  crypto: hisilicon/hpre - tiny fix
  crypto: hisilicon/hpre - adapt the number of clusters
  crypto: cpt - remove casting dma_alloc_coherent
  crypto: keembay-ocs-aes - Fix 'q' assignment during CCM B0 generation
  crypto: xor - Fix typo of optimization
  hwrng: optee - Use device-managed registration API
  crypto: arm64/crc-t10dif - move NEON yield to C code
  crypto: arm64/aes-ce-mac - simplify NEON yield
  crypto: arm64/aes-neonbs - remove NEON yield calls
  ...

1 files changed, 22 insertions, 104 deletions

diff --git a/crypto/serpent_generic.c b/crypto/serpent_generic.c
index 492c1d0b..236c8754 100644
--- a/crypto/serpent_generic.c
+++ b/crypto/serpent_generic.c
@@ -5,17 +5,12 @@
  * Serpent Cipher Algorithm.
  *
  * Copyright (C) 2002 Dag Arne Osvik <osvik@ii.uib.no>
- *               2003 Herbert Valerio Riedel <hvr@gnu.org>
- *
- * Added tnepres support:
- *		Ruben Jesus Garcia Hernandez <ruben@ugr.es>, 18.10.2004
- *              Based on code by hvr
  */
 
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/errno.h>
-#include <asm/byteorder.h>
+#include <asm/unaligned.h>
 #include <linux/crypto.h>
 #include <linux/types.h>
 #include <crypto/serpent.h>
@@ -453,19 +448,12 @@ void __serpent_encrypt(const void *c, u8 *dst, const u8 *src)
 {
 	const struct serpent_ctx *ctx = c;
 	const u32 *k = ctx->expkey;
-	const __le32 *s = (const __le32 *)src;
-	__le32	*d = (__le32 *)dst;
 	u32	r0, r1, r2, r3, r4;
 
-/*
- * Note: The conversions between u8* and u32* might cause trouble
- * on architectures with stricter alignment rules than x86
- */
-
-	r0 = le32_to_cpu(s[0]);
-	r1 = le32_to_cpu(s[1]);
-	r2 = le32_to_cpu(s[2]);
-	r3 = le32_to_cpu(s[3]);
+	r0 = get_unaligned_le32(src);
+	r1 = get_unaligned_le32(src + 4);
+	r2 = get_unaligned_le32(src + 8);
+	r3 = get_unaligned_le32(src + 12);
 
 					K(r0, r1, r2, r3, 0);
 	S0(r0, r1, r2, r3, r4);		LK(r2, r1, r3, r0, r4, 1);
@@ -501,10 +489,10 @@ void __serpent_encrypt(const void *c, u8 *dst, const u8 *src)
 	S6(r0, r1, r3, r2, r4);		LK(r3, r4, r1, r2, r0, 31);
 	S7(r3, r4, r1, r2, r0);		K(r0, r1, r2, r3, 32);
 
-	d[0] = cpu_to_le32(r0);
-	d[1] = cpu_to_le32(r1);
-	d[2] = cpu_to_le32(r2);
-	d[3] = cpu_to_le32(r3);
+	put_unaligned_le32(r0, dst);
+	put_unaligned_le32(r1, dst + 4);
+	put_unaligned_le32(r2, dst + 8);
+	put_unaligned_le32(r3, dst + 12);
 }
 EXPORT_SYMBOL_GPL(__serpent_encrypt);
 
@@ -519,14 +507,12 @@ void __serpent_decrypt(const void *c, u8 *dst, const u8 *src)
 {
 	const struct serpent_ctx *ctx = c;
 	const u32 *k = ctx->expkey;
-	const __le32 *s = (const __le32 *)src;
-	__le32	*d = (__le32 *)dst;
 	u32	r0, r1, r2, r3, r4;
 
-	r0 = le32_to_cpu(s[0]);
-	r1 = le32_to_cpu(s[1]);
-	r2 = le32_to_cpu(s[2]);
-	r3 = le32_to_cpu(s[3]);
+	r0 = get_unaligned_le32(src);
+	r1 = get_unaligned_le32(src + 4);
+	r2 = get_unaligned_le32(src + 8);
+	r3 = get_unaligned_le32(src + 12);
 
 					K(r0, r1, r2, r3, 32);
 	SI7(r0, r1, r2, r3, r4);	KL(r1, r3, r0, r4, r2, 31);
@@ -562,10 +548,10 @@ void __serpent_decrypt(const void *c, u8 *dst, const u8 *src)
 	SI1(r3, r1, r2, r0, r4);	KL(r4, r1, r2, r0, r3, 1);
 	SI0(r4, r1, r2, r0, r3);	K(r2, r3, r1, r4, 0);
 
-	d[0] = cpu_to_le32(r2);
-	d[1] = cpu_to_le32(r3);
-	d[2] = cpu_to_le32(r1);
-	d[3] = cpu_to_le32(r4);
+	put_unaligned_le32(r2, dst);
+	put_unaligned_le32(r3, dst + 4);
+	put_unaligned_le32(r1, dst + 8);
+	put_unaligned_le32(r4, dst + 12);
 }
 EXPORT_SYMBOL_GPL(__serpent_decrypt);
 
@@ -576,66 +562,13 @@ static void serpent_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
 	__serpent_decrypt(ctx, dst, src);
 }
 
-static int tnepres_setkey(struct crypto_tfm *tfm, const u8 *key,
-			  unsigned int keylen)
-{
-	u8 rev_key[SERPENT_MAX_KEY_SIZE];
-	int i;
-
-	for (i = 0; i < keylen; ++i)
-		rev_key[keylen - i - 1] = key[i];
-
-	return serpent_setkey(tfm, rev_key, keylen);
-}
-
-static void tnepres_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
-	const u32 * const s = (const u32 * const)src;
-	u32 * const d = (u32 * const)dst;
-
-	u32 rs[4], rd[4];
-
-	rs[0] = swab32(s[3]);
-	rs[1] = swab32(s[2]);
-	rs[2] = swab32(s[1]);
-	rs[3] = swab32(s[0]);
-
-	serpent_encrypt(tfm, (u8 *)rd, (u8 *)rs);
-
-	d[0] = swab32(rd[3]);
-	d[1] = swab32(rd[2]);
-	d[2] = swab32(rd[1]);
-	d[3] = swab32(rd[0]);
-}
-
-static void tnepres_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
-	const u32 * const s = (const u32 * const)src;
-	u32 * const d = (u32 * const)dst;
-
-	u32 rs[4], rd[4];
-
-	rs[0] = swab32(s[3]);
-	rs[1] = swab32(s[2]);
-	rs[2] = swab32(s[1]);
-	rs[3] = swab32(s[0]);
-
-	serpent_decrypt(tfm, (u8 *)rd, (u8 *)rs);
-
-	d[0] = swab32(rd[3]);
-	d[1] = swab32(rd[2]);
-	d[2] = swab32(rd[1]);
-	d[3] = swab32(rd[0]);
-}
-
-static struct crypto_alg srp_algs[2] = { {
+static struct crypto_alg srp_alg = {
 	.cra_name		=	"serpent",
 	.cra_driver_name	=	"serpent-generic",
 	.cra_priority		=	100,
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	SERPENT_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct serpent_ctx),
-	.cra_alignmask		=	3,
 	.cra_module		=	THIS_MODULE,
 	.cra_u			=	{ .cipher = {
 	.cia_min_keysize	=	SERPENT_MIN_KEY_SIZE,
@@ -643,38 +576,23 @@ static struct crypto_alg srp_algs[2] = { {
 	.cia_setkey		=	serpent_setkey,
 	.cia_encrypt		=	serpent_encrypt,
 	.cia_decrypt		=	serpent_decrypt } }
-}, {
-	.cra_name		=	"tnepres",
-	.cra_driver_name	=	"tnepres-generic",
-	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
-	.cra_blocksize		=	SERPENT_BLOCK_SIZE,
-	.cra_ctxsize		=	sizeof(struct serpent_ctx),
-	.cra_alignmask		=	3,
-	.cra_module		=	THIS_MODULE,
-	.cra_u			=	{ .cipher = {
-	.cia_min_keysize	=	SERPENT_MIN_KEY_SIZE,
-	.cia_max_keysize	=	SERPENT_MAX_KEY_SIZE,
-	.cia_setkey		=	tnepres_setkey,
-	.cia_encrypt		=	tnepres_encrypt,
-	.cia_decrypt		=	tnepres_decrypt } }
-} };
+};
 
 static int __init serpent_mod_init(void)
 {
-	return crypto_register_algs(srp_algs, ARRAY_SIZE(srp_algs));
+	return crypto_register_alg(&srp_alg);
 }
 
 static void __exit serpent_mod_fini(void)
 {
-	crypto_unregister_algs(srp_algs, ARRAY_SIZE(srp_algs));
+	crypto_unregister_alg(&srp_alg);
 }
 
 subsys_initcall(serpent_mod_init);
 module_exit(serpent_mod_fini);
 
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Serpent and tnepres (kerneli compatible serpent reversed) Cipher Algorithm");
+MODULE_DESCRIPTION("Serpent Cipher Algorithm");
 MODULE_AUTHOR("Dag Arne Osvik <osvik@ii.uib.no>");
-MODULE_ALIAS_CRYPTO("tnepres");
 MODULE_ALIAS_CRYPTO("serpent");
 MODULE_ALIAS_CRYPTO("serpent-generic");