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-rw-r--r--src/hash/sha1_sse2/sha1_sse2.cpp189
1 files changed, 92 insertions, 97 deletions
diff --git a/src/hash/sha1_sse2/sha1_sse2.cpp b/src/hash/sha1_sse2/sha1_sse2.cpp
index 500c8cf27..f1102afc5 100644
--- a/src/hash/sha1_sse2/sha1_sse2.cpp
+++ b/src/hash/sha1_sse2/sha1_sse2.cpp
@@ -1,6 +1,6 @@
/*
* SHA-1 using SSE2
-* (C) 2009 Jack Lloyd
+* (C) 2009-2010 Jack Lloyd
*
* Distributed under the terms of the Botan license
*
@@ -17,8 +17,8 @@ namespace Botan {
namespace {
/*
-First 16 bytes just need byte swapping. Preparing just means
-adding in the round constants.
+* First 16 bytes just need byte swapping. Preparing just means
+* adding in the round constants.
*/
#define prep00_15(P, W) \
@@ -31,7 +31,7 @@ adding in the round constants.
} while(0)
/*
-for each multiple of 4, t, we want to calculate this:
+For each multiple of 4, t, we want to calculate this:
W[t+0] = rol(W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16], 1);
W[t+1] = rol(W[t-2] ^ W[t-7] ^ W[t-13] ^ W[t-15], 1);
@@ -156,27 +156,22 @@ void SHA_160_SSE2::compress_n(const byte input_bytes[], u32bit blocks)
const __m128i K40_59 = _mm_set1_epi32(0x8F1BBCDC);
const __m128i K60_79 = _mm_set1_epi32(0xCA62C1D6);
- u32bit A = digest[0], B = digest[1], C = digest[2],
- D = digest[3], E = digest[4];
+ u32bit A = digest[0],
+ B = digest[1],
+ C = digest[2],
+ D = digest[3],
+ E = digest[4];
const __m128i* input = reinterpret_cast<const __m128i*>(input_bytes);
for(u32bit i = 0; i != blocks; ++i)
{
-
- /* I've tried arranging the SSE2 code to be 4, 8, 12, and 16
- * steps ahead of the integer code. 12 steps ahead seems to
- * produce the best performance. -dean
- *
- * Todo: check this is still true on Barcelona and Core2 -Jack
- */
-
union v4si {
u32bit u32[4];
__m128i u128;
};
- v4si P0, P1, P2;
+ v4si P0, P1, P2, P3;
__m128i W0 = _mm_loadu_si128(&input[0]);
prep00_15(P0, W0);
@@ -188,6 +183,7 @@ void SHA_160_SSE2::compress_n(const byte input_bytes[], u32bit blocks)
prep00_15(P2, W2);
__m128i W3 = _mm_loadu_si128(&input[3]);
+ prep00_15(P3, W3);
/*
Using SSE4; slower on Core2 and Nehalem
@@ -203,118 +199,117 @@ void SHA_160_SSE2::compress_n(const byte input_bytes[], u32bit blocks)
F1(E, A, B, C, D, GET_P_32(P0, 1));
F1(D, E, A, B, C, GET_P_32(P0, 2));
F1(C, D, E, A, B, GET_P_32(P0, 3));
- prep00_15(P0, W3);
+ prep(P0, W0, W1, W2, W3, K00_19);
F1(B, C, D, E, A, GET_P_32(P1, 0));
F1(A, B, C, D, E, GET_P_32(P1, 1));
F1(E, A, B, C, D, GET_P_32(P1, 2));
F1(D, E, A, B, C, GET_P_32(P1, 3));
- prep(P1, W0, W1, W2, W3, K00_19);
+ prep(P1, W1, W2, W3, W0, K20_39);
F1(C, D, E, A, B, GET_P_32(P2, 0));
F1(B, C, D, E, A, GET_P_32(P2, 1));
F1(A, B, C, D, E, GET_P_32(P2, 2));
F1(E, A, B, C, D, GET_P_32(P2, 3));
- prep(P2, W1, W2, W3, W0, K20_39);
-
- F1(D, E, A, B, C, GET_P_32(P0, 0));
- F1(C, D, E, A, B, GET_P_32(P0, 1));
- F1(B, C, D, E, A, GET_P_32(P0, 2));
- F1(A, B, C, D, E, GET_P_32(P0, 3));
- prep(P0, W2, W3, W0, W1, K20_39);
-
- F1(E, A, B, C, D, GET_P_32(P1, 0));
- F1(D, E, A, B, C, GET_P_32(P1, 1));
- F1(C, D, E, A, B, GET_P_32(P1, 2));
- F1(B, C, D, E, A, GET_P_32(P1, 3));
- prep(P1, W3, W0, W1, W2, K20_39);
-
- F2(A, B, C, D, E, GET_P_32(P2, 0));
- F2(E, A, B, C, D, GET_P_32(P2, 1));
- F2(D, E, A, B, C, GET_P_32(P2, 2));
- F2(C, D, E, A, B, GET_P_32(P2, 3));
- prep(P2, W0, W1, W2, W3, K20_39);
-
- F2(B, C, D, E, A, GET_P_32(P0, 0));
- F2(A, B, C, D, E, GET_P_32(P0, 1));
- F2(E, A, B, C, D, GET_P_32(P0, 2));
- F2(D, E, A, B, C, GET_P_32(P0, 3));
- prep(P0, W1, W2, W3, W0, K20_39);
-
- F2(C, D, E, A, B, GET_P_32(P1, 0));
- F2(B, C, D, E, A, GET_P_32(P1, 1));
- F2(A, B, C, D, E, GET_P_32(P1, 2));
- F2(E, A, B, C, D, GET_P_32(P1, 3));
- prep(P1, W2, W3, W0, W1, K40_59);
-
- F2(D, E, A, B, C, GET_P_32(P2, 0));
- F2(C, D, E, A, B, GET_P_32(P2, 1));
- F2(B, C, D, E, A, GET_P_32(P2, 2));
- F2(A, B, C, D, E, GET_P_32(P2, 3));
- prep(P2, W3, W0, W1, W2, K40_59);
-
- F2(E, A, B, C, D, GET_P_32(P0, 0));
- F2(D, E, A, B, C, GET_P_32(P0, 1));
- F2(C, D, E, A, B, GET_P_32(P0, 2));
- F2(B, C, D, E, A, GET_P_32(P0, 3));
+ prep(P2, W2, W3, W0, W1, K20_39);
+
+ F1(D, E, A, B, C, GET_P_32(P3, 0));
+ F1(C, D, E, A, B, GET_P_32(P3, 1));
+ F1(B, C, D, E, A, GET_P_32(P3, 2));
+ F1(A, B, C, D, E, GET_P_32(P3, 3));
+ prep(P3, W3, W0, W1, W2, K20_39);
+
+ F1(E, A, B, C, D, GET_P_32(P0, 0));
+ F1(D, E, A, B, C, GET_P_32(P0, 1));
+ F1(C, D, E, A, B, GET_P_32(P0, 2));
+ F1(B, C, D, E, A, GET_P_32(P0, 3));
+ prep(P0, W0, W1, W2, W3, K20_39);
+
+ F2(A, B, C, D, E, GET_P_32(P1, 0));
+ F2(E, A, B, C, D, GET_P_32(P1, 1));
+ F2(D, E, A, B, C, GET_P_32(P1, 2));
+ F2(C, D, E, A, B, GET_P_32(P1, 3));
+ prep(P1, W1, W2, W3, W0, K20_39);
+
+ F2(B, C, D, E, A, GET_P_32(P2, 0));
+ F2(A, B, C, D, E, GET_P_32(P2, 1));
+ F2(E, A, B, C, D, GET_P_32(P2, 2));
+ F2(D, E, A, B, C, GET_P_32(P2, 3));
+ prep(P2, W2, W3, W0, W1, K40_59);
+
+ F2(C, D, E, A, B, GET_P_32(P3, 0));
+ F2(B, C, D, E, A, GET_P_32(P3, 1));
+ F2(A, B, C, D, E, GET_P_32(P3, 2));
+ F2(E, A, B, C, D, GET_P_32(P3, 3));
+ prep(P3, W3, W0, W1, W2, K40_59);
+
+ F2(D, E, A, B, C, GET_P_32(P0, 0));
+ F2(C, D, E, A, B, GET_P_32(P0, 1));
+ F2(B, C, D, E, A, GET_P_32(P0, 2));
+ F2(A, B, C, D, E, GET_P_32(P0, 3));
prep(P0, W0, W1, W2, W3, K40_59);
- F3(A, B, C, D, E, GET_P_32(P1, 0));
- F3(E, A, B, C, D, GET_P_32(P1, 1));
- F3(D, E, A, B, C, GET_P_32(P1, 2));
- F3(C, D, E, A, B, GET_P_32(P1, 3));
+ F2(E, A, B, C, D, GET_P_32(P1, 0));
+ F2(D, E, A, B, C, GET_P_32(P1, 1));
+ F2(C, D, E, A, B, GET_P_32(P1, 2));
+ F2(B, C, D, E, A, GET_P_32(P1, 3));
prep(P1, W1, W2, W3, W0, K40_59);
- F3(B, C, D, E, A, GET_P_32(P2, 0));
- F3(A, B, C, D, E, GET_P_32(P2, 1));
- F3(E, A, B, C, D, GET_P_32(P2, 2));
- F3(D, E, A, B, C, GET_P_32(P2, 3));
+ F3(A, B, C, D, E, GET_P_32(P2, 0));
+ F3(E, A, B, C, D, GET_P_32(P2, 1));
+ F3(D, E, A, B, C, GET_P_32(P2, 2));
+ F3(C, D, E, A, B, GET_P_32(P2, 3));
prep(P2, W2, W3, W0, W1, K40_59);
+ F3(B, C, D, E, A, GET_P_32(P3, 0));
+ F3(A, B, C, D, E, GET_P_32(P3, 1));
+ F3(E, A, B, C, D, GET_P_32(P3, 2));
+ F3(D, E, A, B, C, GET_P_32(P3, 3));
+ prep(P3, W3, W0, W1, W2, K60_79);
+
F3(C, D, E, A, B, GET_P_32(P0, 0));
F3(B, C, D, E, A, GET_P_32(P0, 1));
F3(A, B, C, D, E, GET_P_32(P0, 2));
F3(E, A, B, C, D, GET_P_32(P0, 3));
- prep(P0, W3, W0, W1, W2, K60_79);
+ prep(P0, W0, W1, W2, W3, K60_79);
F3(D, E, A, B, C, GET_P_32(P1, 0));
F3(C, D, E, A, B, GET_P_32(P1, 1));
F3(B, C, D, E, A, GET_P_32(P1, 2));
F3(A, B, C, D, E, GET_P_32(P1, 3));
- prep(P1, W0, W1, W2, W3, K60_79);
+ prep(P1, W1, W2, W3, W0, K60_79);
F3(E, A, B, C, D, GET_P_32(P2, 0));
F3(D, E, A, B, C, GET_P_32(P2, 1));
F3(C, D, E, A, B, GET_P_32(P2, 2));
F3(B, C, D, E, A, GET_P_32(P2, 3));
- prep(P2, W1, W2, W3, W0, K60_79);
-
- F4(A, B, C, D, E, GET_P_32(P0, 0));
- F4(E, A, B, C, D, GET_P_32(P0, 1));
- F4(D, E, A, B, C, GET_P_32(P0, 2));
- F4(C, D, E, A, B, GET_P_32(P0, 3));
- prep(P0, W2, W3, W0, W1, K60_79);
-
- F4(B, C, D, E, A, GET_P_32(P1, 0));
- F4(A, B, C, D, E, GET_P_32(P1, 1));
- F4(E, A, B, C, D, GET_P_32(P1, 2));
- F4(D, E, A, B, C, GET_P_32(P1, 3));
- prep(P1, W3, W0, W1, W2, K60_79);
-
- F4(C, D, E, A, B, GET_P_32(P2, 0));
- F4(B, C, D, E, A, GET_P_32(P2, 1));
- F4(A, B, C, D, E, GET_P_32(P2, 2));
- F4(E, A, B, C, D, GET_P_32(P2, 3));
-
- F4(D, E, A, B, C, GET_P_32(P0, 0));
- F4(C, D, E, A, B, GET_P_32(P0, 1));
- F4(B, C, D, E, A, GET_P_32(P0, 2));
- F4(A, B, C, D, E, GET_P_32(P0, 3));
-
- F4(E, A, B, C, D, GET_P_32(P1, 0));
- F4(D, E, A, B, C, GET_P_32(P1, 1));
- F4(C, D, E, A, B, GET_P_32(P1, 2));
- F4(B, C, D, E, A, GET_P_32(P1, 3));
+ prep(P2, W2, W3, W0, W1, K60_79);
+
+ F4(A, B, C, D, E, GET_P_32(P3, 0));
+ F4(E, A, B, C, D, GET_P_32(P3, 1));
+ F4(D, E, A, B, C, GET_P_32(P3, 2));
+ F4(C, D, E, A, B, GET_P_32(P3, 3));
+ prep(P3, W3, W0, W1, W2, K60_79);
+
+ F4(B, C, D, E, A, GET_P_32(P0, 0));
+ F4(A, B, C, D, E, GET_P_32(P0, 1));
+ F4(E, A, B, C, D, GET_P_32(P0, 2));
+ F4(D, E, A, B, C, GET_P_32(P0, 3));
+
+ F4(C, D, E, A, B, GET_P_32(P1, 0));
+ F4(B, C, D, E, A, GET_P_32(P1, 1));
+ F4(A, B, C, D, E, GET_P_32(P1, 2));
+ F4(E, A, B, C, D, GET_P_32(P1, 3));
+
+ F4(D, E, A, B, C, GET_P_32(P2, 0));
+ F4(C, D, E, A, B, GET_P_32(P2, 1));
+ F4(B, C, D, E, A, GET_P_32(P2, 2));
+ F4(A, B, C, D, E, GET_P_32(P2, 3));
+
+ F4(E, A, B, C, D, GET_P_32(P3, 0));
+ F4(D, E, A, B, C, GET_P_32(P3, 1));
+ F4(C, D, E, A, B, GET_P_32(P3, 2));
+ F4(B, C, D, E, A, GET_P_32(P3, 3));
A = (digest[0] += A);
B = (digest[1] += B);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 11:01:35 +0000