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Diffstat (limited to 'simon64-simd.cpp')
| -rw-r--r-- | simon64-simd.cpp | 1033 |
1 files changed, 1033 insertions, 0 deletions
diff --git a/simon64-simd.cpp b/simon64-simd.cpp new file mode 100644 index 00000000..b8b6b85a --- /dev/null +++ b/simon64-simd.cpp @@ -0,0 +1,1033 @@ +// simon-simd.cpp - written and placed in the public domain by Jeffrey Walton
+//
+// This source file uses intrinsics and built-ins to gain access to
+// SSSE3, ARM NEON and ARMv8a, and Power7 Altivec instructions. A separate
+// source file is needed because additional CXXFLAGS are required to enable
+// the appropriate instructions sets in some build configurations.
+
+#include "pch.h"
+#include "config.h"
+
+#include "simon.h"
+#include "misc.h"
+#include "adv-simd.h"
+
+// Uncomment for benchmarking C++ against SSE or NEON.
+// Do so in both simon.cpp and simon-simd.cpp.
+// #undef CRYPTOPP_SSSE3_AVAILABLE
+// #undef CRYPTOPP_SSE41_AVAILABLE
+// #undef CRYPTOPP_ARM_NEON_AVAILABLE
+
+#if (CRYPTOPP_SSSE3_AVAILABLE)
+# include <pmmintrin.h>
+# include <tmmintrin.h>
+#endif
+
+#if (CRYPTOPP_SSE41_AVAILABLE)
+# include <smmintrin.h>
+#endif
+
+#if defined(__AVX512F__) && defined(__AVX512VL__)
+# define CRYPTOPP_AVX512_ROTATE 1
+# include <immintrin.h>
+#endif
+
+#if (CRYPTOPP_ARM_NEON_AVAILABLE)
+# include <arm_neon.h>
+#endif
+
+// Can't use CRYPTOPP_ARM_XXX_AVAILABLE because too many
+// compilers don't follow ACLE conventions for the include.
+#if defined(CRYPTOPP_ARM_ACLE_AVAILABLE)
+# include <stdint.h>
+# include <arm_acle.h>
+#endif
+
+#if defined(CRYPTOPP_POWER7_AVAILABLE)
+# include "ppc-simd.h"
+#endif
+
+// Squash MS LNK4221 and libtool warnings
+extern const char SIMON64_SIMD_FNAME[] = __FILE__;
+
+ANONYMOUS_NAMESPACE_BEGIN
+
+using CryptoPP::byte;
+using CryptoPP::word32;
+using CryptoPP::word64;
+using CryptoPP::rotlFixed;
+using CryptoPP::rotrFixed;
+using CryptoPP::vec_swap; // SunCC
+
+// *************************** ARM NEON ************************** //
+
+#if (CRYPTOPP_ARM_NEON_AVAILABLE)
+
+template <class T>
+inline T UnpackHigh32(const T& a, const T& b)
+{
+ const uint32x2_t x(vget_high_u32((uint32x4_t)a));
+ const uint32x2_t y(vget_high_u32((uint32x4_t)b));
+ const uint32x2x2_t r = vzip_u32(x, y);
+ return (T)vcombine_u32(r.val[0], r.val[1]);
+}
+
+template <class T>
+inline T UnpackLow32(const T& a, const T& b)
+{
+ const uint32x2_t x(vget_low_u32((uint32x4_t)a));
+ const uint32x2_t y(vget_low_u32((uint32x4_t)b));
+ const uint32x2x2_t r = vzip_u32(x, y);
+ return (T)vcombine_u32(r.val[0], r.val[1]);
+}
+
+template <unsigned int R>
+inline uint32x4_t RotateLeft32(const uint32x4_t& val)
+{
+ const uint32x4_t a(vshlq_n_u32(val, R));
+ const uint32x4_t b(vshrq_n_u32(val, 32 - R));
+ return vorrq_u32(a, b);
+}
+
+template <unsigned int R>
+inline uint32x4_t RotateRight32(const uint32x4_t& val)
+{
+ const uint32x4_t a(vshlq_n_u32(val, 32 - R));
+ const uint32x4_t b(vshrq_n_u32(val, R));
+ return vorrq_u32(a, b);
+}
+
+#if defined(__aarch32__) || defined(__aarch64__)
+// Faster than two Shifts and an Or. Thanks to Louis Wingers and Bryan Weeks.
+template <>
+inline uint32x4_t RotateLeft32<8>(const uint32x4_t& val)
+{
+#if defined(CRYPTOPP_BIG_ENDIAN)
+ const uint8_t maskb[16] = { 14,13,12,15, 10,9,8,11, 6,5,4,7, 2,1,0,3 };
+ const uint8x16_t mask = vld1q_u8(maskb);
+#else
+ const uint8_t maskb[16] = { 3,0,1,2, 7,4,5,6, 11,8,9,10, 15,12,13,14 };
+ const uint8x16_t mask = vld1q_u8(maskb);
+#endif
+
+ return vreinterpretq_u32_u8(
+ vqtbl1q_u8(vreinterpretq_u8_u32(val), mask));
+}
+
+// Faster than two Shifts and an Or. Thanks to Louis Wingers and Bryan Weeks.
+template <>
+inline uint32x4_t RotateRight32<8>(const uint32x4_t& val)
+{
+#if defined(CRYPTOPP_BIG_ENDIAN)
+ const uint8_t maskb[16] = { 12,15,14,13, 8,11,10,9, 4,7,6,5, 0,3,2,1 };
+ const uint8x16_t mask = vld1q_u8(maskb);
+#else
+ const uint8_t maskb[16] = { 1,2,3,0, 5,6,7,4, 9,10,11,8, 13,14,14,12 };
+ const uint8x16_t mask = vld1q_u8(maskb);
+#endif
+
+ return vreinterpretq_u32_u8(
+ vqtbl1q_u8(vreinterpretq_u8_u32(val), mask));
+}
+#endif
+
+inline uint32x4_t SIMON64_f(const uint32x4_t& val)
+{
+ return veorq_u32(RotateLeft32<2>(val),
+ vandq_u32(RotateLeft32<1>(val), RotateLeft32<8>(val)));
+}
+
+inline void SIMON64_Enc_Block(uint32x4_t &block1, uint32x4_t &block0,
+ const word32 *subkeys, unsigned int rounds)
+{
+ // [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
+ uint32x4_t x1 = vuzpq_u32(block0, block1).val[1];
+ uint32x4_t y1 = vuzpq_u32(block0, block1).val[0];
+
+ for (int i = 0; i < static_cast<int>(rounds & ~1)-1; i += 2)
+ {
+ const uint32x4_t rk1 = vld1q_dup_u32(subkeys+i);
+ y1 = veorq_u32(veorq_u32(y1, SIMON64_f(x1)), rk1);
+
+ const uint32x4_t rk2 = vld1q_dup_u32(subkeys+i+1);
+ x1 = veorq_u32(veorq_u32(x1, SIMON64_f(y1)), rk2);
+ }
+
+ if (rounds & 1)
+ {
+ const uint32x4_t rk = vld1q_dup_u32(subkeys+rounds-1);
+
+ y1 = veorq_u32(veorq_u32(y1, SIMON64_f(x1)), rk);
+ std::swap(x1, y1);
+ }
+
+ // [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
+ block0 = UnpackLow32(y1, x1);
+ block1 = UnpackHigh32(y1, x1);
+}
+
+inline void SIMON64_Dec_Block(uint32x4_t &block0, uint32x4_t &block1,
+ const word32 *subkeys, unsigned int rounds)
+{
+ // [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
+ uint32x4_t x1 = vuzpq_u32(block0, block1).val[1];
+ uint32x4_t y1 = vuzpq_u32(block0, block1).val[0];
+
+ if (rounds & 1)
+ {
+ std::swap(x1, y1);
+ const uint32x4_t rk = vld1q_dup_u32(subkeys + rounds - 1);
+
+ y1 = veorq_u32(veorq_u32(y1, rk), SIMON64_f(x1));
+ rounds--;
+ }
+
+ for (int i = static_cast<int>(rounds-2); i >= 0; i -= 2)
+ {
+ const uint32x4_t rk1 = vld1q_dup_u32(subkeys+i+1);
+ x1 = veorq_u32(veorq_u32(x1, SIMON64_f(y1)), rk1);
+
+ const uint32x4_t rk2 = vld1q_dup_u32(subkeys+i);
+ y1 = veorq_u32(veorq_u32(y1, SIMON64_f(x1)), rk2);
+ }
+
+ // [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
+ block0 = UnpackLow32(y1, x1);
+ block1 = UnpackHigh32(y1, x1);
+}
+
+inline void SIMON64_Enc_6_Blocks(uint32x4_t &block0, uint32x4_t &block1,
+ uint32x4_t &block2, uint32x4_t &block3, uint32x4_t &block4, uint32x4_t &block5,
+ const word32 *subkeys, unsigned int rounds)
+{
+ // [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
+ uint32x4_t x1 = vuzpq_u32(block0, block1).val[1];
+ uint32x4_t y1 = vuzpq_u32(block0, block1).val[0];
+ uint32x4_t x2 = vuzpq_u32(block2, block3).val[1];
+ uint32x4_t y2 = vuzpq_u32(block2, block3).val[0];
+ uint32x4_t x3 = vuzpq_u32(block4, block5).val[1];
+ uint32x4_t y3 = vuzpq_u32(block4, block5).val[0];
+
+ for (int i = 0; i < static_cast<int>(rounds & ~1) - 1; i += 2)
+ {
+ const uint32x4_t rk1 = vld1q_dup_u32(subkeys+i);
+ y1 = veorq_u32(veorq_u32(y1, SIMON64_f(x1)), rk1);
+ y2 = veorq_u32(veorq_u32(y2, SIMON64_f(x2)), rk1);
+ y3 = veorq_u32(veorq_u32(y3, SIMON64_f(x3)), rk1);
+
+ const uint32x4_t rk2 = vld1q_dup_u32(subkeys+i+1);
+ x1 = veorq_u32(veorq_u32(x1, SIMON64_f(y1)), rk2);
+ x2 = veorq_u32(veorq_u32(x2, SIMON64_f(y2)), rk2);
+ x3 = veorq_u32(veorq_u32(x3, SIMON64_f(y3)), rk2);
+ }
+
+ if (rounds & 1)
+ {
+ const uint32x4_t rk = vld1q_dup_u32(subkeys + rounds - 1);
+
+ y1 = veorq_u32(veorq_u32(y1, SIMON64_f(x1)), rk);
+ y2 = veorq_u32(veorq_u32(y2, SIMON64_f(x2)), rk);
+ y3 = veorq_u32(veorq_u32(y3, SIMON64_f(x3)), rk);
+ std::swap(x1, y1); std::swap(x2, y2); std::swap(x3, y3);
+ }
+
+ // [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
+ block0 = UnpackLow32(y1, x1);
+ block1 = UnpackHigh32(y1, x1);
+ block2 = UnpackLow32(y2, x2);
+ block3 = UnpackHigh32(y2, x2);
+ block4 = UnpackLow32(y3, x3);
+ block5 = UnpackHigh32(y3, x3);
+}
+
+inline void SIMON64_Dec_6_Blocks(uint32x4_t &block0, uint32x4_t &block1,
+ uint32x4_t &block2, uint32x4_t &block3, uint32x4_t &block4, uint32x4_t &block5,
+ const word32 *subkeys, unsigned int rounds)
+{
+ // [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
+ uint32x4_t x1 = vuzpq_u32(block0, block1).val[1];
+ uint32x4_t y1 = vuzpq_u32(block0, block1).val[0];
+ uint32x4_t x2 = vuzpq_u32(block2, block3).val[1];
+ uint32x4_t y2 = vuzpq_u32(block2, block3).val[0];
+ uint32x4_t x3 = vuzpq_u32(block4, block5).val[1];
+ uint32x4_t y3 = vuzpq_u32(block4, block5).val[0];
+
+ if (rounds & 1)
+ {
+ std::swap(x1, y1); std::swap(x2, y2); std::swap(x3, y3);
+ const uint32x4_t rk = vld1q_dup_u32(subkeys + rounds - 1);
+
+ y1 = veorq_u32(veorq_u32(y1, rk), SIMON64_f(x1));
+ y2 = veorq_u32(veorq_u32(y2, rk), SIMON64_f(x2));
+ y3 = veorq_u32(veorq_u32(y3, rk), SIMON64_f(x3));
+ rounds--;
+ }
+
+ for (int i = static_cast<int>(rounds-2); i >= 0; i -= 2)
+ {
+ const uint32x4_t rk1 = vld1q_dup_u32(subkeys + i + 1);
+ x1 = veorq_u32(veorq_u32(x1, SIMON64_f(y1)), rk1);
+ x2 = veorq_u32(veorq_u32(x2, SIMON64_f(y2)), rk1);
+ x3 = veorq_u32(veorq_u32(x3, SIMON64_f(y3)), rk1);
+
+ const uint32x4_t rk2 = vld1q_dup_u32(subkeys + i);
+ y1 = veorq_u32(veorq_u32(y1, SIMON64_f(x1)), rk2);
+ y2 = veorq_u32(veorq_u32(y2, SIMON64_f(x2)), rk2);
+ y3 = veorq_u32(veorq_u32(y3, SIMON64_f(x3)), rk2);
+ }
+
+ // [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
+ block0 = UnpackLow32(y1, x1);
+ block1 = UnpackHigh32(y1, x1);
+ block2 = UnpackLow32(y2, x2);
+ block3 = UnpackHigh32(y2, x2);
+ block4 = UnpackLow32(y3, x3);
+ block5 = UnpackHigh32(y3, x3);
+}
+
+#endif // CRYPTOPP_ARM_NEON_AVAILABLE
+
+// ***************************** IA-32 ***************************** //
+
+#if (CRYPTOPP_SSSE3_AVAILABLE)
+
+// Clang __m128i casts, http://bugs.llvm.org/show_bug.cgi?id=20670
+#ifndef M128_CAST
+# define M128_CAST(x) ((__m128i *)(void *)(x))
+#endif
+#ifndef CONST_M128_CAST
+# define CONST_M128_CAST(x) ((const __m128i *)(const void *)(x))
+#endif
+
+// GCC double casts, https://www.spinics.net/lists/gcchelp/msg47735.html
+#ifndef DOUBLE_CAST
+# define DOUBLE_CAST(x) ((double *)(void *)(x))
+#endif
+#ifndef CONST_DOUBLE_CAST
+# define CONST_DOUBLE_CAST(x) ((const double *)(const void *)(x))
+#endif
+
+inline void Swap128(__m128i& a,__m128i& b)
+{
+#if defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x5120)
+ // __m128i is an unsigned long long[2], and support for swapping it was not added until C++11.
+ // SunCC 12.1 - 12.3 fail to consume the swap; while SunCC 12.4 consumes it without -std=c++11.
+ vec_swap(a, b);
+#else
+ std::swap(a, b);
+#endif
+}
+
+template <unsigned int R>
+inline __m128i RotateLeft64(const __m128i& val)
+{
+#if defined(CRYPTOPP_AVX512_ROTATE)
+ return _mm_rol_epi64(val, R);
+#else
+ return _mm_or_si128(
+ _mm_slli_epi64(val, R), _mm_srli_epi64(val, 64-R));
+#endif
+}
+
+template <unsigned int R>
+inline __m128i RotateRight64(const __m128i& val)
+{
+#if defined(CRYPTOPP_AVX512_ROTATE)
+ return _mm_ror_epi64(val, R);
+#else
+ return _mm_or_si128(
+ _mm_slli_epi64(val, 64-R), _mm_srli_epi64(val, R));
+#endif
+}
+
+// Faster than two Shifts and an Or. Thanks to Louis Wingers and Bryan Weeks.
+template <>
+inline __m128i RotateLeft64<8>(const __m128i& val)
+{
+ const __m128i mask = _mm_set_epi8(14,13,12,11, 10,9,8,15, 6,5,4,3, 2,1,0,7);
+ return _mm_shuffle_epi8(val, mask);
+}
+
+// Faster than two Shifts and an Or. Thanks to Louis Wingers and Bryan Weeks.
+template <>
+inline __m128i RotateRight64<8>(const __m128i& val)
+{
+ const __m128i mask = _mm_set_epi8(8,15,14,13, 12,11,10,9, 0,7,6,5, 4,3,2,1);
+ return _mm_shuffle_epi8(val, mask);
+}
+
+inline __m128i SIMON128_f(const __m128i& v)
+{
+ return _mm_xor_si128(RotateLeft64<2>(v),
+ _mm_and_si128(RotateLeft64<1>(v), RotateLeft64<8>(v)));
+}
+
+inline void SIMON128_Enc_Block(__m128i &block0, __m128i &block1,
+ const word64 *subkeys, unsigned int rounds)
+{
+ // [A1 A2][B1 B2] ... => [A1 B1][A2 B2] ...
+ __m128i x1 = _mm_unpackhi_epi64(block0, block1);
+ __m128i y1 = _mm_unpacklo_epi64(block0, block1);
+
+ for (int i = 0; i < static_cast<int>(rounds & ~1)-1; i += 2)
+ {
+ const __m128i rk1 = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys+i)));
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON128_f(x1)), rk1);
+
+ const __m128i rk2 = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys+i+1)));
+ x1 = _mm_xor_si128(_mm_xor_si128(x1, SIMON128_f(y1)), rk2);
+ }
+
+ if (rounds & 1)
+ {
+ const __m128i rk = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys+rounds-1)));
+
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON128_f(x1)), rk);
+ Swap128(x1, y1);
+ }
+
+ // [A1 B1][A2 B2] ... => [A1 A2][B1 B2] ...
+ block0 = _mm_unpacklo_epi64(y1, x1);
+ block1 = _mm_unpackhi_epi64(y1, x1);
+}
+
+inline void SIMON128_Enc_6_Blocks(__m128i &block0, __m128i &block1,
+ __m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
+ const word64 *subkeys, unsigned int rounds)
+{
+ // [A1 A2][B1 B2] ... => [A1 B1][A2 B2] ...
+ __m128i x1 = _mm_unpackhi_epi64(block0, block1);
+ __m128i y1 = _mm_unpacklo_epi64(block0, block1);
+ __m128i x2 = _mm_unpackhi_epi64(block2, block3);
+ __m128i y2 = _mm_unpacklo_epi64(block2, block3);
+ __m128i x3 = _mm_unpackhi_epi64(block4, block5);
+ __m128i y3 = _mm_unpacklo_epi64(block4, block5);
+
+ for (int i = 0; i < static_cast<int>(rounds & ~1) - 1; i += 2)
+ {
+ const __m128i rk1 = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys + i)));
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON128_f(x1)), rk1);
+ y2 = _mm_xor_si128(_mm_xor_si128(y2, SIMON128_f(x2)), rk1);
+ y3 = _mm_xor_si128(_mm_xor_si128(y3, SIMON128_f(x3)), rk1);
+
+ const __m128i rk2 = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys + i + 1)));
+ x1 = _mm_xor_si128(_mm_xor_si128(x1, SIMON128_f(y1)), rk2);
+ x2 = _mm_xor_si128(_mm_xor_si128(x2, SIMON128_f(y2)), rk2);
+ x3 = _mm_xor_si128(_mm_xor_si128(x3, SIMON128_f(y3)), rk2);
+ }
+
+ if (rounds & 1)
+ {
+ const __m128i rk = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys + rounds - 1)));
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON128_f(x1)), rk);
+ y2 = _mm_xor_si128(_mm_xor_si128(y2, SIMON128_f(x2)), rk);
+ y3 = _mm_xor_si128(_mm_xor_si128(y3, SIMON128_f(x3)), rk);
+ Swap128(x1, y1); Swap128(x2, y2); Swap128(x3, y3);
+ }
+
+ // [A1 B1][A2 B2] ... => [A1 A2][B1 B2] ...
+ block0 = _mm_unpacklo_epi64(y1, x1);
+ block1 = _mm_unpackhi_epi64(y1, x1);
+ block2 = _mm_unpacklo_epi64(y2, x2);
+ block3 = _mm_unpackhi_epi64(y2, x2);
+ block4 = _mm_unpacklo_epi64(y3, x3);
+ block5 = _mm_unpackhi_epi64(y3, x3);
+}
+
+inline void SIMON128_Dec_Block(__m128i &block0, __m128i &block1,
+ const word64 *subkeys, unsigned int rounds)
+{
+ // [A1 A2][B1 B2] ... => [A1 B1][A2 B2] ...
+ __m128i x1 = _mm_unpackhi_epi64(block0, block1);
+ __m128i y1 = _mm_unpacklo_epi64(block0, block1);
+
+ if (rounds & 1)
+ {
+ const __m128i rk = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys + rounds - 1)));
+
+ Swap128(x1, y1);
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, rk), SIMON128_f(x1));
+ rounds--;
+ }
+
+ for (int i = static_cast<int>(rounds-2); i >= 0; i -= 2)
+ {
+ const __m128i rk1 = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys+i+1)));
+ x1 = _mm_xor_si128(_mm_xor_si128(x1, SIMON128_f(y1)), rk1);
+
+ const __m128i rk2 = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys+i)));
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON128_f(x1)), rk2);
+ }
+
+ // [A1 B1][A2 B2] ... => [A1 A2][B1 B2] ...
+ block0 = _mm_unpacklo_epi64(y1, x1);
+ block1 = _mm_unpackhi_epi64(y1, x1);
+}
+
+inline void SIMON128_Dec_6_Blocks(__m128i &block0, __m128i &block1,
+ __m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
+ const word64 *subkeys, unsigned int rounds)
+{
+ // [A1 A2][B1 B2] ... => [A1 B1][A2 B2] ...
+ __m128i x1 = _mm_unpackhi_epi64(block0, block1);
+ __m128i y1 = _mm_unpacklo_epi64(block0, block1);
+ __m128i x2 = _mm_unpackhi_epi64(block2, block3);
+ __m128i y2 = _mm_unpacklo_epi64(block2, block3);
+ __m128i x3 = _mm_unpackhi_epi64(block4, block5);
+ __m128i y3 = _mm_unpacklo_epi64(block4, block5);
+
+ if (rounds & 1)
+ {
+ const __m128i rk = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys + rounds - 1)));
+
+ Swap128(x1, y1); Swap128(x2, y2); Swap128(x3, y3);
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, rk), SIMON128_f(x1));
+ y2 = _mm_xor_si128(_mm_xor_si128(y2, rk), SIMON128_f(x2));
+ y3 = _mm_xor_si128(_mm_xor_si128(y3, rk), SIMON128_f(x3));
+ rounds--;
+ }
+
+ for (int i = static_cast<int>(rounds-2); i >= 0; i -= 2)
+ {
+ const __m128i rk1 = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys + i + 1)));
+ x1 = _mm_xor_si128(_mm_xor_si128(x1, SIMON128_f(y1)), rk1);
+ x2 = _mm_xor_si128(_mm_xor_si128(x2, SIMON128_f(y2)), rk1);
+ x3 = _mm_xor_si128(_mm_xor_si128(x3, SIMON128_f(y3)), rk1);
+
+ const __m128i rk2 = _mm_castpd_si128(
+ _mm_loaddup_pd(CONST_DOUBLE_CAST(subkeys + i)));
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON128_f(x1)), rk2);
+ y2 = _mm_xor_si128(_mm_xor_si128(y2, SIMON128_f(x2)), rk2);
+ y3 = _mm_xor_si128(_mm_xor_si128(y3, SIMON128_f(x3)), rk2);
+ }
+
+ // [A1 B1][A2 B2] ... => [A1 A2][B1 B2] ...
+ block0 = _mm_unpacklo_epi64(y1, x1);
+ block1 = _mm_unpackhi_epi64(y1, x1);
+ block2 = _mm_unpacklo_epi64(y2, x2);
+ block3 = _mm_unpackhi_epi64(y2, x2);
+ block4 = _mm_unpacklo_epi64(y3, x3);
+ block5 = _mm_unpackhi_epi64(y3, x3);
+}
+
+#endif // CRYPTOPP_SSSE3_AVAILABLE
+
+#if defined(CRYPTOPP_SSE41_AVAILABLE)
+
+template <unsigned int R>
+inline __m128i RotateLeft32(const __m128i& val)
+{
+ return _mm_or_si128(
+ _mm_slli_epi32(val, R), _mm_srli_epi32(val, 32-R));
+}
+
+template <unsigned int R>
+inline __m128i RotateRight32(const __m128i& val)
+{
+ return _mm_or_si128(
+ _mm_slli_epi32(val, 32-R), _mm_srli_epi32(val, R));
+}
+
+// Faster than two Shifts and an Or. Thanks to Louis Wingers and Bryan Weeks.
+template <>
+inline __m128i RotateLeft32<8>(const __m128i& val)
+{
+ const __m128i mask = _mm_set_epi8(14,13,12,15, 10,9,8,11, 6,5,4,7, 2,1,0,3);
+ return _mm_shuffle_epi8(val, mask);
+}
+
+// Faster than two Shifts and an Or. Thanks to Louis Wingers and Bryan Weeks.
+template <>
+inline __m128i RotateRight32<8>(const __m128i& val)
+{
+ const __m128i mask = _mm_set_epi8(12,15,14,13, 8,11,10,9, 4,7,6,5, 0,3,2,1);
+ return _mm_shuffle_epi8(val, mask);
+}
+
+inline __m128i SIMON64_f(const __m128i& v)
+{
+ return _mm_xor_si128(RotateLeft32<2>(v),
+ _mm_and_si128(RotateLeft32<1>(v), RotateLeft32<8>(v)));
+}
+
+inline void SIMON64_Enc_Block(__m128i &block0, __m128i &block1,
+ const word32 *subkeys, unsigned int rounds)
+{
+ // [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
+ const __m128 t0 = _mm_castsi128_ps(block0);
+ const __m128 t1 = _mm_castsi128_ps(block1);
+ __m128i x1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(3,1,3,1)));
+ __m128i y1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(2,0,2,0)));
+
+ for (int i = 0; i < static_cast<int>(rounds & ~1)-1; i += 2)
+ {
+ const __m128i rk1 = _mm_set1_epi32(subkeys[i]);
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON64_f(x1)), rk1);
+
+ const __m128i rk2 = _mm_set1_epi32(subkeys[i+1]);
+ x1 = _mm_xor_si128(_mm_xor_si128(x1, SIMON64_f(y1)), rk2);
+ }
+
+ if (rounds & 1)
+ {
+ const __m128i rk = _mm_set1_epi32(subkeys[rounds-1]);
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON64_f(x1)), rk);
+ Swap128(x1, y1);
+ }
+
+ // [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
+ block0 = _mm_unpacklo_epi32(y1, x1);
+ block1 = _mm_unpackhi_epi32(y1, x1);
+}
+
+inline void SIMON64_Dec_Block(__m128i &block0, __m128i &block1,
+ const word32 *subkeys, unsigned int rounds)
+{
+ // [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
+ const __m128 t0 = _mm_castsi128_ps(block0);
+ const __m128 t1 = _mm_castsi128_ps(block1);
+ __m128i x1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(3,1,3,1)));
+ __m128i y1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(2,0,2,0)));
+
+ if (rounds & 1)
+ {
+ Swap128(x1, y1);
+ const __m128i rk = _mm_set1_epi32(subkeys[rounds-1]);
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, rk), SIMON64_f(x1));
+ rounds--;
+ }
+
+ for (int i = static_cast<int>(rounds-2); i >= 0; i -= 2)
+ {
+ const __m128i rk1 = _mm_set1_epi32(subkeys[i+1]);
+ x1 = _mm_xor_si128(_mm_xor_si128(x1, SIMON64_f(y1)), rk1);
+
+ const __m128i rk2 = _mm_set1_epi32(subkeys[i]);
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON64_f(x1)), rk2);
+ }
+
+ // [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
+ block0 = _mm_unpacklo_epi32(y1, x1);
+ block1 = _mm_unpackhi_epi32(y1, x1);
+}
+
+inline void SIMON64_Enc_6_Blocks(__m128i &block0, __m128i &block1,
+ __m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
+ const word32 *subkeys, unsigned int rounds)
+{
+ // [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
+ const __m128 t0 = _mm_castsi128_ps(block0);
+ const __m128 t1 = _mm_castsi128_ps(block1);
+ __m128i x1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(3,1,3,1)));
+ __m128i y1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(2,0,2,0)));
+
+ const __m128 t2 = _mm_castsi128_ps(block2);
+ const __m128 t3 = _mm_castsi128_ps(block3);
+ __m128i x2 = _mm_castps_si128(_mm_shuffle_ps(t2, t3, _MM_SHUFFLE(3,1,3,1)));
+ __m128i y2 = _mm_castps_si128(_mm_shuffle_ps(t2, t3, _MM_SHUFFLE(2,0,2,0)));
+
+ const __m128 t4 = _mm_castsi128_ps(block4);
+ const __m128 t5 = _mm_castsi128_ps(block5);
+ __m128i x3 = _mm_castps_si128(_mm_shuffle_ps(t4, t5, _MM_SHUFFLE(3,1,3,1)));
+ __m128i y3 = _mm_castps_si128(_mm_shuffle_ps(t4, t5, _MM_SHUFFLE(2,0,2,0)));
+
+ for (int i = 0; i < static_cast<int>(rounds & ~1)-1; i += 2)
+ {
+ const __m128i rk1 = _mm_set1_epi32(subkeys[i]);
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON64_f(x1)), rk1);
+ y2 = _mm_xor_si128(_mm_xor_si128(y2, SIMON64_f(x2)), rk1);
+ y3 = _mm_xor_si128(_mm_xor_si128(y3, SIMON64_f(x3)), rk1);
+
+ const __m128i rk2 = _mm_set1_epi32(subkeys[i+1]);
+ x1 = _mm_xor_si128(_mm_xor_si128(x1, SIMON64_f(y1)), rk2);
+ x2 = _mm_xor_si128(_mm_xor_si128(x2, SIMON64_f(y2)), rk2);
+ x3 = _mm_xor_si128(_mm_xor_si128(x3, SIMON64_f(y3)), rk2);
+ }
+
+ if (rounds & 1)
+ {
+ const __m128i rk = _mm_set1_epi32(subkeys[rounds-1]);
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON64_f(x1)), rk);
+ y2 = _mm_xor_si128(_mm_xor_si128(y2, SIMON64_f(x2)), rk);
+ y3 = _mm_xor_si128(_mm_xor_si128(y3, SIMON64_f(x3)), rk);
+ Swap128(x1, y1); Swap128(x2, y2); Swap128(x3, y3);
+ }
+
+ // [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
+ block0 = _mm_unpacklo_epi32(y1, x1);
+ block1 = _mm_unpackhi_epi32(y1, x1);
+ block2 = _mm_unpacklo_epi32(y2, x2);
+ block3 = _mm_unpackhi_epi32(y2, x2);
+ block4 = _mm_unpacklo_epi32(y3, x3);
+ block5 = _mm_unpackhi_epi32(y3, x3);
+}
+
+inline void SIMON64_Dec_6_Blocks(__m128i &block0, __m128i &block1,
+ __m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
+ const word32 *subkeys, unsigned int rounds)
+{
+ // [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
+ const __m128 t0 = _mm_castsi128_ps(block0);
+ const __m128 t1 = _mm_castsi128_ps(block1);
+ __m128i x1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(3,1,3,1)));
+ __m128i y1 = _mm_castps_si128(_mm_shuffle_ps(t0, t1, _MM_SHUFFLE(2,0,2,0)));
+
+ const __m128 t2 = _mm_castsi128_ps(block2);
+ const __m128 t3 = _mm_castsi128_ps(block3);
+ __m128i x2 = _mm_castps_si128(_mm_shuffle_ps(t2, t3, _MM_SHUFFLE(3,1,3,1)));
+ __m128i y2 = _mm_castps_si128(_mm_shuffle_ps(t2, t3, _MM_SHUFFLE(2,0,2,0)));
+
+ const __m128 t4 = _mm_castsi128_ps(block4);
+ const __m128 t5 = _mm_castsi128_ps(block5);
+ __m128i x3 = _mm_castps_si128(_mm_shuffle_ps(t4, t5, _MM_SHUFFLE(3,1,3,1)));
+ __m128i y3 = _mm_castps_si128(_mm_shuffle_ps(t4, t5, _MM_SHUFFLE(2,0,2,0)));
+
+ if (rounds & 1)
+ {
+ Swap128(x1, y1); Swap128(x2, y2); Swap128(x3, y3);
+ const __m128i rk = _mm_set1_epi32(subkeys[rounds-1]);
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, rk), SIMON64_f(x1));
+ y2 = _mm_xor_si128(_mm_xor_si128(y2, rk), SIMON64_f(x2));
+ y3 = _mm_xor_si128(_mm_xor_si128(y3, rk), SIMON64_f(x3));
+ rounds--;
+ }
+
+ for (int i = static_cast<int>(rounds-2); i >= 0; i -= 2)
+ {
+ const __m128i rk1 = _mm_set1_epi32(subkeys[i+1]);
+ x1 = _mm_xor_si128(_mm_xor_si128(x1, SIMON64_f(y1)), rk1);
+ x2 = _mm_xor_si128(_mm_xor_si128(x2, SIMON64_f(y2)), rk1);
+ x3 = _mm_xor_si128(_mm_xor_si128(x3, SIMON64_f(y3)), rk1);
+
+ const __m128i rk2 = _mm_set1_epi32(subkeys[i]);
+ y1 = _mm_xor_si128(_mm_xor_si128(y1, SIMON64_f(x1)), rk2);
+ y2 = _mm_xor_si128(_mm_xor_si128(y2, SIMON64_f(x2)), rk2);
+ y3 = _mm_xor_si128(_mm_xor_si128(y3, SIMON64_f(x3)), rk2);
+ }
+
+ // [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
+ block0 = _mm_unpacklo_epi32(y1, x1);
+ block1 = _mm_unpackhi_epi32(y1, x1);
+ block2 = _mm_unpacklo_epi32(y2, x2);
+ block3 = _mm_unpackhi_epi32(y2, x2);
+ block4 = _mm_unpacklo_epi32(y3, x3);
+ block5 = _mm_unpackhi_epi32(y3, x3);
+}
+
+#endif // CRYPTOPP_SSE41_AVAILABLE
+
+// ***************************** Power7 ***************************** //
+
+#if defined(CRYPTOPP_POWER7_AVAILABLE)
+
+using CryptoPP::uint8x16_p;
+using CryptoPP::uint32x4_p;
+
+using CryptoPP::VectorAnd;
+using CryptoPP::VectorXor;
+using CryptoPP::VectorLoadBE;
+
+// Rotate left by bit count
+template<unsigned int C>
+inline uint32x4_p RotateLeft32(const uint32x4_p val)
+{
+ const uint32x4_p m = {C, C, C, C};
+ return vec_rl(val, m);
+}
+
+// Rotate right by bit count
+template<unsigned int C>
+inline uint32x4_p RotateRight32(const uint32x4_p val)
+{
+ const uint32x4_p m = {32-C, 32-C, 32-C, 32-C};
+ return vec_rl(val, m);
+}
+
+inline uint32x4_p SIMON64_f(const uint32x4_p val)
+{
+ return VectorXor(RotateLeft32<2>(val),
+ VectorAnd(RotateLeft32<1>(val), RotateLeft32<8>(val)));
+}
+
+inline void SIMON64_Enc_Block(uint32x4_p &block0, uint32x4_p &block1,
+ const word32 *subkeys, unsigned int rounds)
+{
+#if defined(CRYPTOPP_BIG_ENDIAN)
+ const uint8x16_p m1 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
+ const uint8x16_p m2 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
+#else
+ const uint8x16_p m1 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
+ const uint8x16_p m2 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
+#endif
+
+ // [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
+ uint32x4_p x1 = vec_perm(block0, block1, m1);
+ uint32x4_p y1 = vec_perm(block0, block1, m2);
+
+ for (int i = 0; i < static_cast<int>(rounds & ~1)-1; i += 2)
+ {
+ const uint32x4_p rk1 = vec_splats(subkeys[i]);
+ y1 = VectorXor(VectorXor(y1, SIMON64_f(x1)), rk1);
+
+ const uint32x4_p rk2 = vec_splats(subkeys[i+1]);
+ x1 = VectorXor(VectorXor(x1, SIMON64_f(y1)), rk2);
+ }
+
+ if (rounds & 1)
+ {
+ const uint32x4_p rk = vec_splats(subkeys[rounds-1]);
+ y1 = VectorXor(VectorXor(y1, SIMON64_f(x1)), rk);
+ std::swap(x1, y1);
+ }
+
+#if defined(CRYPTOPP_BIG_ENDIAN)
+ const uint8x16_p m3 = {19,18,17,16, 3,2,1,0, 23,22,21,20, 7,6,5,4};
+ const uint8x16_p m4 = {27,26,25,24, 11,10,9,8, 31,30,29,28, 15,14,13,12};
+#else
+ const uint8x16_p m3 = {3,2,1,0, 19,18,17,16, 7,6,5,4, 23,22,21,20};
+ const uint8x16_p m4 = {11,10,9,8, 27,26,25,24, 15,14,13,12, 31,30,29,28};
+#endif
+
+ // [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
+ block0 = (uint32x4_p)vec_perm(x1, y1, m3);
+ block1 = (uint32x4_p)vec_perm(x1, y1, m4);
+}
+
+inline void SIMON64_Dec_Block(uint32x4_p &block0, uint32x4_p &block1,
+ const word32 *subkeys, unsigned int rounds)
+{
+#if defined(CRYPTOPP_BIG_ENDIAN)
+ const uint8x16_p m1 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
+ const uint8x16_p m2 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
+#else
+ const uint8x16_p m1 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
+ const uint8x16_p m2 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
+#endif
+
+ // [A1 A2 A3 A4][B1 B2 B3 B4] ... => [A1 A3 B1 B3][A2 A4 B2 B4] ...
+ uint32x4_p x1 = vec_perm(block0, block1, m1);
+ uint32x4_p y1 = vec_perm(block0, block1, m2);
+
+ if (rounds & 1)
+ {
+ std::swap(x1, y1);
+ const uint32x4_p rk = vec_splats(subkeys[rounds-1]);
+ y1 = VectorXor(VectorXor(y1, rk), SIMON64_f(x1));
+ rounds--;
+ }
+
+ for (int i = static_cast<int>(rounds-2); i >= 0; i -= 2)
+ {
+ const uint32x4_p rk1 = vec_splats(subkeys[i+1]);
+ x1 = VectorXor(VectorXor(x1, SIMON64_f(y1)), rk1);
+
+ const uint32x4_p rk2 = vec_splats(subkeys[i]);
+ y1 = VectorXor(VectorXor(y1, SIMON64_f(x1)), rk2);
+ }
+
+#if defined(CRYPTOPP_BIG_ENDIAN)
+ const uint8x16_p m3 = {19,18,17,16, 3,2,1,0, 23,22,21,20, 7,6,5,4};
+ const uint8x16_p m4 = {27,26,25,24, 11,10,9,8, 31,30,29,28, 15,14,13,12};
+#else
+ const uint8x16_p m3 = {3,2,1,0, 19,18,17,16, 7,6,5,4, 23,22,21,20};
+ const uint8x16_p m4 = {11,10,9,8, 27,26,25,24, 15,14,13,12, 31,30,29,28};
+#endif
+
+ // [A1 A3 B1 B3][A2 A4 B2 B4] => [A1 A2 A3 A4][B1 B2 B3 B4]
+ block0 = (uint32x4_p)vec_perm(x1, y1, m3);
+ block1 = (uint32x4_p)vec_perm(x1, y1, m4);
+}
+
+inline void SIMON64_Enc_6_Blocks(uint32x4_p &block0, uint32x4_p &block1,
+ uint32x4_p &block2, uint32x4_p &block3, uint32x4_p &block4,
+ uint32x4_p &block5, const word32 *subkeys, unsigned int rounds)
+{
+#if defined(CRYPTOPP_BIG_ENDIAN)
+ const uint8x16_p m1 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
+ const uint8x16_p m2 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
+#else
+ const uint8x16_p m1 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
+ const uint8x16_p m2 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
+#endif
+
+ // [A1 A2][B1 B2] ... => [A1 B1][A2 B2] ...
+ uint32x4_p x1 = (uint32x4_p)vec_perm(block0, block1, m1);
+ uint32x4_p y1 = (uint32x4_p)vec_perm(block0, block1, m2);
+ uint32x4_p x2 = (uint32x4_p)vec_perm(block2, block3, m1);
+ uint32x4_p y2 = (uint32x4_p)vec_perm(block2, block3, m2);
+ uint32x4_p x3 = (uint32x4_p)vec_perm(block4, block5, m1);
+ uint32x4_p y3 = (uint32x4_p)vec_perm(block4, block5, m2);
+
+ for (int i = 0; i < static_cast<int>(rounds & ~1)-1; i += 2)
+ {
+ const uint32x4_p rk1 = vec_splats(subkeys[i]);
+ y1 = VectorXor(VectorXor(y1, SIMON64_f(x1)), rk1);
+ y2 = VectorXor(VectorXor(y2, SIMON64_f(x2)), rk1);
+ y3 = VectorXor(VectorXor(y3, SIMON64_f(x3)), rk1);
+
+ const uint32x4_p rk2 = vec_splats(subkeys[i+1]);
+ x1 = VectorXor(VectorXor(x1, SIMON64_f(y1)), rk2);
+ x2 = VectorXor(VectorXor(x2, SIMON64_f(y2)), rk2);
+ x3 = VectorXor(VectorXor(x3, SIMON64_f(y3)), rk2);
+ }
+
+ if (rounds & 1)
+ {
+ const uint32x4_p rk = vec_splats(subkeys[rounds-1]);
+ y1 = VectorXor(VectorXor(y1, SIMON64_f(x1)), rk);
+ y2 = VectorXor(VectorXor(y2, SIMON64_f(x2)), rk);
+ y3 = VectorXor(VectorXor(y3, SIMON64_f(x3)), rk);
+ std::swap(x1, y1); std::swap(x2, y2); std::swap(x3, y3);
+ }
+
+#if defined(CRYPTOPP_BIG_ENDIAN)
+ const uint8x16_p m3 = {19,18,17,16, 3,2,1,0, 23,22,21,20, 7,6,5,4};
+ const uint8x16_p m4 = {27,26,25,24, 11,10,9,8, 31,30,29,28, 15,14,13,12};
+#else
+ const uint8x16_p m3 = {3,2,1,0, 19,18,17,16, 7,6,5,4, 23,22,21,20};
+ const uint8x16_p m4 = {11,10,9,8, 27,26,25,24, 15,14,13,12, 31,30,29,28};
+#endif
+
+ // [A1 B1][A2 B2] ... => [A1 A2][B1 B2] ...
+ block0 = (uint32x4_p)vec_perm(x1, y1, m3);
+ block1 = (uint32x4_p)vec_perm(x1, y1, m4);
+ block2 = (uint32x4_p)vec_perm(x2, y2, m3);
+ block3 = (uint32x4_p)vec_perm(x2, y2, m4);
+ block4 = (uint32x4_p)vec_perm(x3, y3, m3);
+ block5 = (uint32x4_p)vec_perm(x3, y3, m4);
+}
+
+inline void SIMON64_Dec_6_Blocks(uint32x4_p &block0, uint32x4_p &block1,
+ uint32x4_p &block2, uint32x4_p &block3, uint32x4_p &block4,
+ uint32x4_p &block5, const word32 *subkeys, unsigned int rounds)
+{
+#if defined(CRYPTOPP_BIG_ENDIAN)
+ const uint8x16_p m1 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
+ const uint8x16_p m2 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
+#else
+ const uint8x16_p m1 = {3,2,1,0, 11,10,9,8, 19,18,17,16, 27,26,25,24};
+ const uint8x16_p m2 = {7,6,5,4, 15,14,13,12, 23,22,21,20, 31,30,29,28};
+#endif
+
+ // [A1 A2][B1 B2] ... => [A1 B1][A2 B2] ...
+ uint32x4_p x1 = (uint32x4_p)vec_perm(block0, block1, m1);
+ uint32x4_p y1 = (uint32x4_p)vec_perm(block0, block1, m2);
+ uint32x4_p x2 = (uint32x4_p)vec_perm(block2, block3, m1);
+ uint32x4_p y2 = (uint32x4_p)vec_perm(block2, block3, m2);
+ uint32x4_p x3 = (uint32x4_p)vec_perm(block4, block5, m1);
+ uint32x4_p y3 = (uint32x4_p)vec_perm(block4, block5, m2);
+
+ if (rounds & 1)
+ {
+ std::swap(x1, y1); std::swap(x2, y2); std::swap(x3, y3);
+ const uint32x4_p rk = vec_splats(subkeys[rounds-1]);
+ y1 = VectorXor(VectorXor(y1, rk), SIMON64_f(x1));
+ y2 = VectorXor(VectorXor(y2, rk), SIMON64_f(x2));
+ y3 = VectorXor(VectorXor(y3, rk), SIMON64_f(x3));
+ rounds--;
+ }
+
+ for (int i = static_cast<int>(rounds-2); i >= 0; i -= 2)
+ {
+ const uint32x4_p rk1 = vec_splats(subkeys[i+1]);
+ x1 = VectorXor(VectorXor(x1, SIMON64_f(y1)), rk1);
+ x2 = VectorXor(VectorXor(x2, SIMON64_f(y2)), rk1);
+ x3 = VectorXor(VectorXor(x3, SIMON64_f(y3)), rk1);
+
+ const uint32x4_p rk2 = vec_splats(subkeys[i]);
+ y1 = VectorXor(VectorXor(y1, SIMON64_f(x1)), rk2);
+ y2 = VectorXor(VectorXor(y2, SIMON64_f(x2)), rk2);
+ y3 = VectorXor(VectorXor(y3, SIMON64_f(x3)), rk2);
+ }
+
+#if defined(CRYPTOPP_BIG_ENDIAN)
+ const uint8x16_p m3 = {19,18,17,16, 3,2,1,0, 23,22,21,20, 7,6,5,4};
+ const uint8x16_p m4 = {27,26,25,24, 11,10,9,8, 31,30,29,28, 15,14,13,12};
+#else
+ const uint8x16_p m3 = {3,2,1,0, 19,18,17,16, 7,6,5,4, 23,22,21,20};
+ const uint8x16_p m4 = {11,10,9,8, 27,26,25,24, 15,14,13,12, 31,30,29,28};
+#endif
+
+ // [A1 B1][A2 B2] ... => [A1 A2][B1 B2] ...
+ block0 = (uint32x4_p)vec_perm(x1, y1, m3);
+ block1 = (uint32x4_p)vec_perm(x1, y1, m4);
+ block2 = (uint32x4_p)vec_perm(x2, y2, m3);
+ block3 = (uint32x4_p)vec_perm(x2, y2, m4);
+ block4 = (uint32x4_p)vec_perm(x3, y3, m3);
+ block5 = (uint32x4_p)vec_perm(x3, y3, m4);
+}
+
+#endif // CRYPTOPP_POWER7_AVAILABLE
+
+ANONYMOUS_NAMESPACE_END
+
+///////////////////////////////////////////////////////////////////////
+
+NAMESPACE_BEGIN(CryptoPP)
+
+// *************************** ARM NEON **************************** //
+
+#if (CRYPTOPP_ARM_NEON_AVAILABLE)
+size_t SIMON64_Enc_AdvancedProcessBlocks_NEON(const word32* subKeys, size_t rounds,
+ const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
+{
+ return AdvancedProcessBlocks64_6x2_NEON(SIMON64_Enc_Block, SIMON64_Enc_6_Blocks,
+ subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
+}
+
+size_t SIMON64_Dec_AdvancedProcessBlocks_NEON(const word32* subKeys, size_t rounds,
+ const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
+{
+ return AdvancedProcessBlocks64_6x2_NEON(SIMON64_Dec_Block, SIMON64_Dec_6_Blocks,
+ subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
+}
+#endif // CRYPTOPP_ARM_NEON_AVAILABLE
+
+// ***************************** IA-32 ***************************** //
+
+#if defined(CRYPTOPP_SSE41_AVAILABLE)
+size_t SIMON64_Enc_AdvancedProcessBlocks_SSE41(const word32* subKeys, size_t rounds,
+ const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
+{
+ return AdvancedProcessBlocks64_6x2_SSE(SIMON64_Enc_Block, SIMON64_Enc_6_Blocks,
+ subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
+}
+
+size_t SIMON64_Dec_AdvancedProcessBlocks_SSE41(const word32* subKeys, size_t rounds,
+ const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
+{
+ return AdvancedProcessBlocks64_6x2_SSE(SIMON64_Dec_Block, SIMON64_Dec_6_Blocks,
+ subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
+}
+#endif
+
+// ***************************** Power7 ***************************** //
+
+#if defined(CRYPTOPP_POWER7_AVAILABLE)
+size_t SIMON64_Enc_AdvancedProcessBlocks_POWER7(const word32* subKeys, size_t rounds,
+ const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
+{
+ return AdvancedProcessBlocks64_6x2_ALTIVEC(SIMON64_Enc_Block, SIMON64_Enc_6_Blocks,
+ subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
+}
+
+size_t SIMON64_Dec_AdvancedProcessBlocks_POWER7(const word32* subKeys, size_t rounds,
+ const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags)
+{
+ return AdvancedProcessBlocks64_6x2_ALTIVEC(SIMON64_Dec_Block, SIMON64_Dec_6_Blocks,
+ subKeys, rounds, inBlocks, xorBlocks, outBlocks, length, flags);
+}
+#endif
+
+NAMESPACE_END
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