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dynamic_crypt.cpp
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166 lines (164 loc) · 6.09 KB
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// dynamic_crypt.cpp
__int64 __fastcall encrypt_dynamic_values(_QWORD* a1) // 53 55 56 57 41 54 41 55 41 56 41 57 48 89 CF 48 8B 77 10
{
_QWORD* v1; // rdi
__int64 v2; // rcx
__int64 v3; // rbp
__int64 v4; // rsi
__int64 v5; // rcx
char v6; // cc
__int64 v7; // rcx
unsigned __int64 v8; // rbx
unsigned __int64 v9; // rdx
__int64 v10; // rax
unsigned __int64 v11; // rbx
__int64 v12; // rax
__int64 v13; // rax
__int64 v14; // rax
unsigned __int64 v15; // rdx
__int64 v16; // rax
__int64 v17; // rax
__int64 v18; // rsi
__int64 i; // rcx
__int64 result; // rax
__int64 v21; // rdi
__int64 v22; // rcx
__int64 j; // rcx
__int64 k; // rcx
unsigned __int64 v25; // rdx
__int64 v26; // rax
unsigned __int64 v27; // rbx
__int64 v28; // rax
__int64 v29; // rax
memset(a1 + 4, 0, 0x1000ui64);
v1 = a1;
v2 = a1[1];
v3 = (__int64)(v1 + 4);
v4 = *v1 + v2 - 24;
v5 = -v2;
v6 = (v5 + 24 < 0) ^ __OFADD__(24i64, v5);
v7 = v5 + 24;
if (v6)
{
v8 = *(_QWORD*)(v4 + v7);
do
{
while (1)
{
while (1)
{
v9 = *(_QWORD*)(v4 + v7 + 8);
if (v8 == v9)
break;
++* (_DWORD*)(v3 + 4i64 * (unsigned __int8)v8);
v10 = BYTE1(v8);
v11 = v8 >> 16;
++* (_DWORD*)(v3 + 4 * v10 + 1024);
++* (_DWORD*)(v3 + 4i64 * (unsigned __int8)v11 + 2048);
v12 = BYTE1(v11);
v11 >>= 16;
++* (_DWORD*)(v3 + 4 * v12 + 3072);
++* (_DWORD*)(v3 + 4i64 * (unsigned __int8)v11);
v13 = BYTE1(v11);
LODWORD(v11) = (unsigned int)v11 >> 16;
++* (_DWORD*)(v3 + 4 * v13 + 1024);
++* (_DWORD*)(v3 + 4i64 * (unsigned __int8)v11 + 2048);
++* (_DWORD*)(v3 + 4i64 * BYTE1(v11) + 3072);
v8 = *(_QWORD*)(v4 + v7 + 16);
++* (_DWORD*)(v3 + 4i64 * (unsigned __int8)v9);
v14 = BYTE1(v9);
v15 = v9 >> 16;
++* (_DWORD*)(v3 + 4 * v14 + 1024);
++* (_DWORD*)(v3 + 4i64 * (unsigned __int8)v15 + 2048);
v16 = BYTE1(v15);
v15 >>= 16;
++* (_DWORD*)(v3 + 4 * v16 + 3072);
++* (_DWORD*)(v3 + 4i64 * (unsigned __int8)v15);
v17 = BYTE1(v15);
LODWORD(v15) = (unsigned int)v15 >> 16;
++* (_DWORD*)(v3 + 4 * v17 + 1024);
++* (_DWORD*)(v3 + 4i64 * (unsigned __int8)v15 + 2048);
++* (_DWORD*)(v3 + 4i64 * BYTE1(v15) + 3072);
v7 += 16i64;
if (v7 >= 0)
goto LABEL_5;
}
v25 = v8 ^ (*(_QWORD*)(v4 + v7 + 8) << 8);
if (v25 >= 0x100)
break;
*(_DWORD*)(v3 + 4 * v25) += 16;
v8 = *(_QWORD*)(v4 + v7 + 16);
v7 += 16i64;
if (v7 >= 0)
goto LABEL_5;
}
*(_DWORD*)(v3 + 4i64 * (unsigned __int8)v8) += 2;
v26 = BYTE1(v8);
v27 = v8 >> 16;
*(_DWORD*)(v3 + 4 * v26 + 1024) += 2;
*(_DWORD*)(v3 + 4i64 * (unsigned __int8)v27 + 2048) += 2;
v28 = BYTE1(v27);
v27 >>= 16;
*(_DWORD*)(v3 + 4 * v28 + 3072) += 2;
*(_DWORD*)(v3 + 4i64 * (unsigned __int8)v27) += 2;
v29 = BYTE1(v27);
LODWORD(v27) = (unsigned int)v27 >> 16;
*(_DWORD*)(v3 + 4 * v29 + 1024) += 2;
*(_DWORD*)(v3 + 4i64 * (unsigned __int8)v27 + 2048) += 2;
*(_DWORD*)(v3 + 4i64 * BYTE1(v27) + 3072) += 2;
v8 = *(_QWORD*)(v4 + v7 + 16);
v7 += 16i64;
} while (v7 < 0);
}
LABEL_5:
v18 = v4 + 24;
for (i = v7 - 24; i; ++i)
++* (_DWORD*)(v3 + 4i64 * *(unsigned __int8*)(v18 + i));
result = v1[3];
v21 = v1[2];
v22 = 4 * (unsigned int)(unsigned __int16)result;
if (result & 0x10000)
{
while (v22 & 0xF)
{
result = (unsigned int)(*(_DWORD*)(v3 + v22 + 3072)
+ *(_DWORD*)(v3 + v22 + 2048)
+ *(_DWORD*)(v3 + v22 + 1024)
+ *(_DWORD*)(v3 + v22)
+ *(_DWORD*)(v21 + v22));
*(_DWORD*)(v21 + v22) = result;
v22 = (unsigned int)(v22 - 4);
}
for (j = (unsigned int)(v22 - 16); (int)j >= 0; j = (unsigned int)(j - 16))
_mm_storeu_si128(
(__m128i*)(v21 + j),
_mm_add_epi32(
_mm_add_epi32(
_mm_add_epi32(
_mm_add_epi32(_mm_load_si128((const __m128i*)(v21 + j)), *(__m128i*)(v3 + j)),
*(__m128i*)(v3 + j + 1024)),
*(__m128i*)(v3 + j + 2048)),
*(__m128i*)(v3 + j + 3072)));
}
else
{
while (v22 & 0xF)
{
result = (unsigned int)(*(_DWORD*)(v3 + v22 + 3072)
+ *(_DWORD*)(v3 + v22 + 2048)
+ *(_DWORD*)(v3 + v22 + 1024)
+ *(_DWORD*)(v3 + v22));
*(_DWORD*)(v21 + v22) = result;
v22 = (unsigned int)(v22 - 4);
}
for (k = (unsigned int)(v22 - 16); (int)k >= 0; k = (unsigned int)(k - 16))
_mm_storeu_si128(
(__m128i*)(v21 + k),
_mm_add_epi32(
_mm_add_epi32(
_mm_add_epi32(_mm_load_si128((const __m128i*)(v3 + k)), *(__m128i*)(v3 + k + 1024)),
*(__m128i*)(v3 + k + 2048)),
*(__m128i*)(v3 + k + 3072)));
}
return result;
}