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authorJussi Kivilinna <jussi.kivilinna@mbnet.fi>2012-10-20 15:06:36 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2012-10-24 21:10:54 +0800
commit58990986f1cba40c23c0c10592ace08616de3ffa (patch)
tree84466698a28860d1457c804b857b2e97d1995fcb /arch/x86/crypto
parente080b17a8cec92ef42343989ae65c73c25529346 (diff)
downloadop-kernel-dev-58990986f1cba40c23c0c10592ace08616de3ffa.zip
op-kernel-dev-58990986f1cba40c23c0c10592ace08616de3ffa.tar.gz
crypto: x86/glue_helper - use le128 instead of u128 for CTR mode
'u128' currently used for CTR mode is on little-endian 'long long' swapped and would require extra swap operations by SSE/AVX code. Use of le128 instead of u128 allows IV calculations to be done with vector registers easier. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/crypto')
-rw-r--r--arch/x86/crypto/camellia_glue.c16
-rw-r--r--arch/x86/crypto/cast6_avx_glue.c12
-rw-r--r--arch/x86/crypto/glue_helper.c12
-rw-r--r--arch/x86/crypto/serpent_avx_glue.c12
-rw-r--r--arch/x86/crypto/serpent_sse2_glue.c12
-rw-r--r--arch/x86/crypto/twofish_avx_glue.c6
-rw-r--r--arch/x86/crypto/twofish_glue_3way.c20
7 files changed, 45 insertions, 45 deletions
diff --git a/arch/x86/crypto/camellia_glue.c b/arch/x86/crypto/camellia_glue.c
index 42ffd2b..021a008 100644
--- a/arch/x86/crypto/camellia_glue.c
+++ b/arch/x86/crypto/camellia_glue.c
@@ -1317,21 +1317,21 @@ static void camellia_decrypt_cbc_2way(void *ctx, u128 *dst, const u128 *src)
u128_xor(&dst[1], &dst[1], &iv);
}
-static void camellia_crypt_ctr(void *ctx, u128 *dst, const u128 *src, u128 *iv)
+static void camellia_crypt_ctr(void *ctx, u128 *dst, const u128 *src, le128 *iv)
{
be128 ctrblk;
if (dst != src)
*dst = *src;
- u128_to_be128(&ctrblk, iv);
- u128_inc(iv);
+ le128_to_be128(&ctrblk, iv);
+ le128_inc(iv);
camellia_enc_blk_xor(ctx, (u8 *)dst, (u8 *)&ctrblk);
}
static void camellia_crypt_ctr_2way(void *ctx, u128 *dst, const u128 *src,
- u128 *iv)
+ le128 *iv)
{
be128 ctrblks[2];
@@ -1340,10 +1340,10 @@ static void camellia_crypt_ctr_2way(void *ctx, u128 *dst, const u128 *src,
dst[1] = src[1];
}
- u128_to_be128(&ctrblks[0], iv);
- u128_inc(iv);
- u128_to_be128(&ctrblks[1], iv);
- u128_inc(iv);
+ le128_to_be128(&ctrblks[0], iv);
+ le128_inc(iv);
+ le128_to_be128(&ctrblks[1], iv);
+ le128_inc(iv);
camellia_enc_blk_xor_2way(ctx, (u8 *)dst, (u8 *)ctrblks);
}
diff --git a/arch/x86/crypto/cast6_avx_glue.c b/arch/x86/crypto/cast6_avx_glue.c
index 15e5f85..1dfd33b 100644
--- a/arch/x86/crypto/cast6_avx_glue.c
+++ b/arch/x86/crypto/cast6_avx_glue.c
@@ -78,19 +78,19 @@ static void cast6_decrypt_cbc_xway(void *ctx, u128 *dst, const u128 *src)
u128_xor(dst + (j + 1), dst + (j + 1), ivs + j);
}
-static void cast6_crypt_ctr(void *ctx, u128 *dst, const u128 *src, u128 *iv)
+static void cast6_crypt_ctr(void *ctx, u128 *dst, const u128 *src, le128 *iv)
{
be128 ctrblk;
- u128_to_be128(&ctrblk, iv);
- u128_inc(iv);
+ le128_to_be128(&ctrblk, iv);
+ le128_inc(iv);
__cast6_encrypt(ctx, (u8 *)&ctrblk, (u8 *)&ctrblk);
u128_xor(dst, src, (u128 *)&ctrblk);
}
static void cast6_crypt_ctr_xway(void *ctx, u128 *dst, const u128 *src,
- u128 *iv)
+ le128 *iv)
{
be128 ctrblks[CAST6_PARALLEL_BLOCKS];
unsigned int i;
@@ -99,8 +99,8 @@ static void cast6_crypt_ctr_xway(void *ctx, u128 *dst, const u128 *src,
if (dst != src)
dst[i] = src[i];
- u128_to_be128(&ctrblks[i], iv);
- u128_inc(iv);
+ le128_to_be128(&ctrblks[i], iv);
+ le128_inc(iv);
}
cast6_enc_blk_xway_xor(ctx, (u8 *)dst, (u8 *)ctrblks);
diff --git a/arch/x86/crypto/glue_helper.c b/arch/x86/crypto/glue_helper.c
index 30b3927..22ce4f6 100644
--- a/arch/x86/crypto/glue_helper.c
+++ b/arch/x86/crypto/glue_helper.c
@@ -221,16 +221,16 @@ static void glue_ctr_crypt_final_128bit(const common_glue_ctr_func_t fn_ctr,
u8 *src = (u8 *)walk->src.virt.addr;
u8 *dst = (u8 *)walk->dst.virt.addr;
unsigned int nbytes = walk->nbytes;
- u128 ctrblk;
+ le128 ctrblk;
u128 tmp;
- be128_to_u128(&ctrblk, (be128 *)walk->iv);
+ be128_to_le128(&ctrblk, (be128 *)walk->iv);
memcpy(&tmp, src, nbytes);
fn_ctr(ctx, &tmp, &tmp, &ctrblk);
memcpy(dst, &tmp, nbytes);
- u128_to_be128((be128 *)walk->iv, &ctrblk);
+ le128_to_be128((be128 *)walk->iv, &ctrblk);
}
EXPORT_SYMBOL_GPL(glue_ctr_crypt_final_128bit);
@@ -243,11 +243,11 @@ static unsigned int __glue_ctr_crypt_128bit(const struct common_glue_ctx *gctx,
unsigned int nbytes = walk->nbytes;
u128 *src = (u128 *)walk->src.virt.addr;
u128 *dst = (u128 *)walk->dst.virt.addr;
- u128 ctrblk;
+ le128 ctrblk;
unsigned int num_blocks, func_bytes;
unsigned int i;
- be128_to_u128(&ctrblk, (be128 *)walk->iv);
+ be128_to_le128(&ctrblk, (be128 *)walk->iv);
/* Process multi-block batch */
for (i = 0; i < gctx->num_funcs; i++) {
@@ -269,7 +269,7 @@ static unsigned int __glue_ctr_crypt_128bit(const struct common_glue_ctx *gctx,
}
done:
- u128_to_be128((be128 *)walk->iv, &ctrblk);
+ le128_to_be128((be128 *)walk->iv, &ctrblk);
return nbytes;
}
diff --git a/arch/x86/crypto/serpent_avx_glue.c b/arch/x86/crypto/serpent_avx_glue.c
index 3f543a0..2aa31ad 100644
--- a/arch/x86/crypto/serpent_avx_glue.c
+++ b/arch/x86/crypto/serpent_avx_glue.c
@@ -56,19 +56,19 @@ static void serpent_decrypt_cbc_xway(void *ctx, u128 *dst, const u128 *src)
u128_xor(dst + (j + 1), dst + (j + 1), ivs + j);
}
-static void serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src, u128 *iv)
+static void serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src, le128 *iv)
{
be128 ctrblk;
- u128_to_be128(&ctrblk, iv);
- u128_inc(iv);
+ le128_to_be128(&ctrblk, iv);
+ le128_inc(iv);
__serpent_encrypt(ctx, (u8 *)&ctrblk, (u8 *)&ctrblk);
u128_xor(dst, src, (u128 *)&ctrblk);
}
static void serpent_crypt_ctr_xway(void *ctx, u128 *dst, const u128 *src,
- u128 *iv)
+ le128 *iv)
{
be128 ctrblks[SERPENT_PARALLEL_BLOCKS];
unsigned int i;
@@ -77,8 +77,8 @@ static void serpent_crypt_ctr_xway(void *ctx, u128 *dst, const u128 *src,
if (dst != src)
dst[i] = src[i];
- u128_to_be128(&ctrblks[i], iv);
- u128_inc(iv);
+ le128_to_be128(&ctrblks[i], iv);
+ le128_inc(iv);
}
serpent_enc_blk_xway_xor(ctx, (u8 *)dst, (u8 *)ctrblks);
diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c
index 9107a99..97a356e 100644
--- a/arch/x86/crypto/serpent_sse2_glue.c
+++ b/arch/x86/crypto/serpent_sse2_glue.c
@@ -59,19 +59,19 @@ static void serpent_decrypt_cbc_xway(void *ctx, u128 *dst, const u128 *src)
u128_xor(dst + (j + 1), dst + (j + 1), ivs + j);
}
-static void serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src, u128 *iv)
+static void serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src, le128 *iv)
{
be128 ctrblk;
- u128_to_be128(&ctrblk, iv);
- u128_inc(iv);
+ le128_to_be128(&ctrblk, iv);
+ le128_inc(iv);
__serpent_encrypt(ctx, (u8 *)&ctrblk, (u8 *)&ctrblk);
u128_xor(dst, src, (u128 *)&ctrblk);
}
static void serpent_crypt_ctr_xway(void *ctx, u128 *dst, const u128 *src,
- u128 *iv)
+ le128 *iv)
{
be128 ctrblks[SERPENT_PARALLEL_BLOCKS];
unsigned int i;
@@ -80,8 +80,8 @@ static void serpent_crypt_ctr_xway(void *ctx, u128 *dst, const u128 *src,
if (dst != src)
dst[i] = src[i];
- u128_to_be128(&ctrblks[i], iv);
- u128_inc(iv);
+ le128_to_be128(&ctrblks[i], iv);
+ le128_inc(iv);
}
serpent_enc_blk_xway_xor(ctx, (u8 *)dst, (u8 *)ctrblks);
diff --git a/arch/x86/crypto/twofish_avx_glue.c b/arch/x86/crypto/twofish_avx_glue.c
index e7708b5..810e45d 100644
--- a/arch/x86/crypto/twofish_avx_glue.c
+++ b/arch/x86/crypto/twofish_avx_glue.c
@@ -90,7 +90,7 @@ static void twofish_dec_blk_cbc_xway(void *ctx, u128 *dst, const u128 *src)
}
static void twofish_enc_blk_ctr_xway(void *ctx, u128 *dst, const u128 *src,
- u128 *iv)
+ le128 *iv)
{
be128 ctrblks[TWOFISH_PARALLEL_BLOCKS];
unsigned int i;
@@ -99,8 +99,8 @@ static void twofish_enc_blk_ctr_xway(void *ctx, u128 *dst, const u128 *src,
if (dst != src)
dst[i] = src[i];
- u128_to_be128(&ctrblks[i], iv);
- u128_inc(iv);
+ le128_to_be128(&ctrblks[i], iv);
+ le128_inc(iv);
}
twofish_enc_blk_xway_xor(ctx, (u8 *)dst, (u8 *)ctrblks);
diff --git a/arch/x86/crypto/twofish_glue_3way.c b/arch/x86/crypto/twofish_glue_3way.c
index aa3eb35..13e63b3 100644
--- a/arch/x86/crypto/twofish_glue_3way.c
+++ b/arch/x86/crypto/twofish_glue_3way.c
@@ -62,15 +62,15 @@ void twofish_dec_blk_cbc_3way(void *ctx, u128 *dst, const u128 *src)
}
EXPORT_SYMBOL_GPL(twofish_dec_blk_cbc_3way);
-void twofish_enc_blk_ctr(void *ctx, u128 *dst, const u128 *src, u128 *iv)
+void twofish_enc_blk_ctr(void *ctx, u128 *dst, const u128 *src, le128 *iv)
{
be128 ctrblk;
if (dst != src)
*dst = *src;
- u128_to_be128(&ctrblk, iv);
- u128_inc(iv);
+ le128_to_be128(&ctrblk, iv);
+ le128_inc(iv);
twofish_enc_blk(ctx, (u8 *)&ctrblk, (u8 *)&ctrblk);
u128_xor(dst, dst, (u128 *)&ctrblk);
@@ -78,7 +78,7 @@ void twofish_enc_blk_ctr(void *ctx, u128 *dst, const u128 *src, u128 *iv)
EXPORT_SYMBOL_GPL(twofish_enc_blk_ctr);
void twofish_enc_blk_ctr_3way(void *ctx, u128 *dst, const u128 *src,
- u128 *iv)
+ le128 *iv)
{
be128 ctrblks[3];
@@ -88,12 +88,12 @@ void twofish_enc_blk_ctr_3way(void *ctx, u128 *dst, const u128 *src,
dst[2] = src[2];
}
- u128_to_be128(&ctrblks[0], iv);
- u128_inc(iv);
- u128_to_be128(&ctrblks[1], iv);
- u128_inc(iv);
- u128_to_be128(&ctrblks[2], iv);
- u128_inc(iv);
+ le128_to_be128(&ctrblks[0], iv);
+ le128_inc(iv);
+ le128_to_be128(&ctrblks[1], iv);
+ le128_inc(iv);
+ le128_to_be128(&ctrblks[2], iv);
+ le128_inc(iv);
twofish_enc_blk_xor_3way(ctx, (u8 *)dst, (u8 *)ctrblks);
}
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