8#include <botan/shacal2.h>
19void SHACAL2::x86_encrypt_blocks(const uint8_t in[], uint8_t out[],
size_t blocks)
const
21 const __m128i MASK1 = _mm_set_epi8(8,9,10,11,12,13,14,15,0,1,2,3,4,5,6,7);
22 const __m128i MASK2 = _mm_set_epi8(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15);
24 const __m128i* RK_mm =
reinterpret_cast<const __m128i*
>(m_RK.data());
25 const __m128i* in_mm =
reinterpret_cast<const __m128i*
>(in);
26 __m128i* out_mm =
reinterpret_cast<__m128i*
>(out);
30 __m128i B0_0 = _mm_loadu_si128(in_mm);
31 __m128i B0_1 = _mm_loadu_si128(in_mm+1);
32 __m128i B1_0 = _mm_loadu_si128(in_mm+2);
33 __m128i B1_1 = _mm_loadu_si128(in_mm+3);
35 __m128i TMP = _mm_shuffle_epi8(_mm_unpacklo_epi64(B0_0, B0_1), MASK2);
36 B0_1 = _mm_shuffle_epi8(_mm_unpackhi_epi64(B0_0, B0_1), MASK2);
39 TMP = _mm_shuffle_epi8(_mm_unpacklo_epi64(B1_0, B1_1), MASK2);
40 B1_1 = _mm_shuffle_epi8(_mm_unpackhi_epi64(B1_0, B1_1), MASK2);
43 for(
size_t i = 0; i != 8; ++i)
45 const __m128i RK0 = _mm_loadu_si128(RK_mm + 2*i);
46 const __m128i RK2 = _mm_loadu_si128(RK_mm + 2*i+1);
47 const __m128i RK1 = _mm_srli_si128(RK0, 8);
48 const __m128i RK3 = _mm_srli_si128(RK2, 8);
50 B0_1 = _mm_sha256rnds2_epu32(B0_1, B0_0, RK0);
51 B1_1 = _mm_sha256rnds2_epu32(B1_1, B1_0, RK0);
53 B0_0 = _mm_sha256rnds2_epu32(B0_0, B0_1, RK1);
54 B1_0 = _mm_sha256rnds2_epu32(B1_0, B1_1, RK1);
56 B0_1 = _mm_sha256rnds2_epu32(B0_1, B0_0, RK2);
57 B1_1 = _mm_sha256rnds2_epu32(B1_1, B1_0, RK2);
59 B0_0 = _mm_sha256rnds2_epu32(B0_0, B0_1, RK3);
60 B1_0 = _mm_sha256rnds2_epu32(B1_0, B1_1, RK3);
63 TMP = _mm_shuffle_epi8(_mm_unpackhi_epi64(B0_0, B0_1), MASK1);
64 B0_1 = _mm_shuffle_epi8(_mm_unpacklo_epi64(B0_0, B0_1), MASK1);
67 TMP = _mm_shuffle_epi8(_mm_unpackhi_epi64(B1_0, B1_1), MASK1);
68 B1_1 = _mm_shuffle_epi8(_mm_unpacklo_epi64(B1_0, B1_1), MASK1);
72 _mm_storeu_si128(out_mm + 0, B0_0);
73 _mm_storeu_si128(out_mm + 1, B0_1);
74 _mm_storeu_si128(out_mm + 2, B1_0);
75 _mm_storeu_si128(out_mm + 3, B1_1);
84 __m128i B0 = _mm_loadu_si128(in_mm);
85 __m128i B1 = _mm_loadu_si128(in_mm+1);
87 __m128i TMP = _mm_shuffle_epi8(_mm_unpacklo_epi64(B0, B1), MASK2);
88 B1 = _mm_shuffle_epi8(_mm_unpackhi_epi64(B0, B1), MASK2);
91 for(
size_t i = 0; i != 8; ++i)
93 const __m128i RK0 = _mm_loadu_si128(RK_mm + 2*i);
94 const __m128i RK2 = _mm_loadu_si128(RK_mm + 2*i+1);
95 const __m128i RK1 = _mm_srli_si128(RK0, 8);
96 const __m128i RK3 = _mm_srli_si128(RK2, 8);
98 B1 = _mm_sha256rnds2_epu32(B1, B0, RK0);
99 B0 = _mm_sha256rnds2_epu32(B0, B1, RK1);
100 B1 = _mm_sha256rnds2_epu32(B1, B0, RK2);
101 B0 = _mm_sha256rnds2_epu32(B0, B1, RK3);
104 TMP = _mm_shuffle_epi8(_mm_unpackhi_epi64(B0, B1), MASK1);
105 B1 = _mm_shuffle_epi8(_mm_unpacklo_epi64(B0, B1), MASK1);
109 _mm_storeu_si128(out_mm, B0);
110 _mm_storeu_si128(out_mm + 1, B1);
#define BOTAN_FUNC_ISA(isa)