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authorEgor Tensin <Egor.Tensin@gmail.com>2015-06-04 18:02:43 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2015-06-04 18:02:43 +0300
commitfbae4453ea23ead75cb57fe94de44a6a70323ddb (patch)
tree74a2d9113ea25e0e32f275ce00b1ff8349970115 /include/aesni
parentexplicitly separate BE vs. LE block I/O functions (diff)
downloadaes-tools-fbae4453ea23ead75cb57fe94de44a6a70323ddb.tar.gz
aes-tools-fbae4453ea23ead75cb57fe94de44a6a70323ddb.zip
SSE3 for byte order reversal
Diffstat (limited to 'include/aesni')
-rw-r--r--include/aesni/data.h12
1 files changed, 8 insertions, 4 deletions
diff --git a/include/aesni/data.h b/include/aesni/data.h
index 44c499a..b1085e8 100644
--- a/include/aesni/data.h
+++ b/include/aesni/data.h
@@ -9,6 +9,7 @@
#pragma once
#include <emmintrin.h>
+#include <tmmintrin.h>
typedef __m128i AesBlock128;
@@ -60,16 +61,19 @@ typedef struct
}
Aes256KeySchedule;
+static __inline AesBlock128 __fastcall aes128_reverse_byte_order(AesBlock128 block)
+{
+ return _mm_shuffle_epi8(block, make_aes_block128(0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f));
+}
+
static __inline AesBlock128 __fastcall aes128_le2be(AesBlock128 block)
{
- __declspec(align(16)) char xs[16];
- _mm_store_si128((__m128i*) xs, block);
- return _mm_set_epi8(xs[0], xs[1], xs[2], xs[3], xs[4], xs[5], xs[6], xs[7], xs[8], xs[9], xs[10], xs[11], xs[12], xs[13], xs[14], xs[15]);
+ return aes128_reverse_byte_order(block);
}
static __inline AesBlock128 __fastcall aes128_be2le(AesBlock128 block)
{
- return aes128_le2be(block);
+ return aes128_reverse_byte_order(block);
}
typedef struct { char str[33]; } AesBlockString128;