Function at 0x503360
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x3c
call fcn.00488be0
push ebx
push ebp
push esi
push edi
push dword [esp + 0x50]
mov dword [esp + 0x40], 0
mov dword [esp + 0x28], 0
call fcn.004be620
push eax
mov dword [esp + 0x30], eax
xor edi, edi
mov dword [esp + 0x34], 0
xor ebp, ebp
call fcn.00503270
push dword [esp + 0x5c]
mov ebx, eax
mov dword [esp + 0x2c], ebx
call fcn.004beb70
add esp, 0xc
mov dword [esp + 0x30], eax
xor esi, esi
mov dword [esp + 0x1c], edi
test ebx, ebx
je 0x503412
test eax, eax
jle 0x503412
mov eax, dword [esp + 0x64]
push dword [eax]
push 0xff
push dword [esp + 0x68]
call fcn.00492cb0
push 0x5c9758
push dword [esp + 0x6c]
lea eax, [esp + 0x6c]
push eax
push esi
call fcn.004fe270
mov edi, eax
add esp, 0x1c
mov dword [esp + 0x10], edi
test edi, edi
jne 0x50348d
push 0x126
push str.crypto_sm2_sm2_crypt.c
push 0x64
push 0x66
push 0x35
call fcn.004bdd70
add esp, 0x14
xor ebx, ebx
mov eax, dword [esp + 0x64]
push dword [eax]
push 0
push dword [esp + 0x68]
call fcn.00492cb0
add esp, 0xc
push 0x180
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x24]
call fcn.004c88f0
push 0x181
push str.crypto_sm2_sm2_crypt.c
push ebp
call fcn.004c88f0
push 0x182
push str.crypto_sm2_sm2_crypt.c
push ebx
call fcn.004c88f0
push dword [esp + 0x50]
call fcn.004dc9b0
push dword [esp + 0x4c]
call fcn.004ced50
push 0x5c9758
push edi
call fcn.004f28c0
push esi
call fcn.004cc840
mov eax, dword [esp + 0x74]
add esp, 0x38
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x3c
ret
mov ecx, dword [edi + 8]
mov eax, dword [esp + 0x30]
cmp dword [ecx], eax
je 0x5034a9
push 0x12b
push str.crypto_sm2_sm2_crypt.c
push 0x68
jmp 0x503406
mov eax, dword [edi + 0xc]
mov ecx, dword [ecx + 8]
mov dword [esp + 0x48], ecx
mov edi, dword [eax]
mov ebx, dword [eax + 8]
mov dword [esp + 0x44], edi
call fcn.004cef30
mov ebp, eax
mov dword [esp + 0x24], ebp
test ebp, ebp
jne 0x5034ee
push 0x135
push str.crypto_sm2_sm2_crypt.c
push 0x41
push 0x66
push 0x35
call fcn.004bdd70
mov edi, dword [esp + 0x24]
add esp, 0x14
xor ebp, ebp
jmp 0x503412
push ebp
call fcn.004cf020
push ebp
call fcn.004cede0
push ebp
mov dword [esp + 0x40], eax
call fcn.004cede0
add esp, 0xc
mov dword [esp + 0x38], eax
test eax, eax
jne 0x50351d
push 0x13e
push str.crypto_sm2_sm2_crypt.c
push 3
jmp 0x5034d7
push 0x142
push str.crypto_sm2_sm2_crypt.c
push edi
call fcn.004c8b60
mov ecx, dword [esp + 0x2c]
mov ebp, eax
push 0x143
push str.crypto_sm2_sm2_crypt.c
mov dword [esp + 0x30], ebp
lea eax, [ecx + ecx]
push eax
call fcn.004c8b60
push 0x144
push str.crypto_sm2_sm2_crypt.c
push dword [esp + 0x50]
mov dword [esp + 0x38], eax
call fcn.004c8b60
add esp, 0x24
mov dword [esp + 0x18], eax
test ebp, ebp
je 0x503909
cmp dword [esp + 0x14], esi
je 0x503909
test eax, eax
je 0x503909
push dword [esp + 0x28]
call fcn.004dcd00
mov ecx, eax
add esp, 4
mov dword [esp + 0x2c], ecx
test ecx, ecx
jne 0x5035c1
push 0x14d
push str.crypto_sm2_sm2_crypt.c
push 0x41
push 0x66
push 0x35
call fcn.004bdd70
mov ebp, dword [esp + 0x28]
add esp, 0x14
mov edi, dword [esp + 0x10]
mov ebx, dword [esp + 0x18]
jmp 0x503414
mov eax, dword [esp + 0x10]
push dword [esp + 0x24]
push dword [eax + 4]
push dword [eax]
push ecx
push dword [esp + 0x38]
call fcn.004dce40
add esp, 0x14
test eax, eax
je 0x5038f8
push dword [esp + 0x24]
push dword [esp + 0x54]
call fcn.004c0de0
add esp, 4
push eax
mov eax, dword [esp + 0x34]
push eax
push 0
push eax
push dword [esp + 0x3c]
call fcn.004dccb0
add esp, 0x18
test eax, eax
je 0x5038f8
push dword [esp + 0x24]
push dword [esp + 0x3c]
push dword [esp + 0x3c]
push dword [esp + 0x38]
push dword [esp + 0x38]
call fcn.004dc9e0
add esp, 0x14
test eax, eax
je 0x5038f8
push dword [esp + 0x20]
push dword [esp + 0x18]
push dword [esp + 0x3c]
call fcn.004c6cf0
add esp, 0xc
test eax, eax
js 0x5038e7
mov eax, dword [esp + 0x20]
mov ecx, dword [esp + 0x14]
push eax
add ecx, eax
push ecx
push dword [esp + 0x40]
call fcn.004c6cf0
add esp, 0xc
test eax, eax
js 0x5038e7
push dword [esp + 0x54]
mov ecx, dword [esp + 0x24]
push 0
push 0
lea eax, [ecx + ecx]
push eax
push dword [esp + 0x24]
push edi
push ebp
call fcn.00502650
add esp, 0x1c
test eax, eax
je 0x5038e7
xor edx, edx
test edi, edi
je 0x5037f8
cmp edi, 8
jb 0x5037d5
mov esi, dword [esp + 0x60]
lea eax, [ebp - 1]
add eax, edi
lea ecx, [esi - 1]
add ecx, edi
cmp esi, eax
ja 0x5036c3
cmp ecx, ebp
jae 0x5037d5
lea eax, [ebx - 1]
add eax, edi
cmp esi, eax
ja 0x5036d4
cmp ecx, ebx
jae 0x5037d5
cmp edi, 0x40
jb 0x503785
mov eax, edi
and eax, 0x8000003f
jns 0x5036eb
dec eax
or eax, 0xffffffc0
inc eax
mov ecx, edi
mov edi, dword [esp + 0x60]
sub ecx, eax
sub edi, ebp
mov dword [esp + 0x38], ecx
lea eax, [ebp + 0x10]
lea ecx, [esi + 0x20]
mov dword [esp + 0x28], edi
mov esi, ebx
sub esi, ebp
mov ebp, ebx
sub ebp, dword [esp + 0x60]
mov dword [esp + 0x34], esi
mov esi, dword [esp + 0x38]
mov dword [esp + 0x40], ebp
mov ebp, dword [esp + 0x34]
nop dword [eax]
movups xmm0, xmmword [eax - 0x10]
mov edi, dword [esp + 0x28]
lea eax, [eax + 0x40]
movups xmm1, xmmword [edx + ebx]
lea ecx, [ecx + 0x40]
xorps xmm1, xmm0
movups xmmword [ecx - 0x60], xmm1
movups xmm0, xmmword [eax - 0x40]
movups xmm1, xmmword [eax + ebp - 0x40]
xorps xmm1, xmm0
movups xmmword [edi + eax - 0x40], xmm1
mov edi, dword [esp + 0x40]
movups xmm0, xmmword [eax - 0x30]
movups xmm1, xmmword [edi + ecx - 0x40]
mov edi, dword [esp + 0x44]
xorps xmm1, xmm0
movups xmmword [ecx - 0x40], xmm1
movups xmm1, xmmword [ebx + edx + 0x30]
add edx, 0x40
movups xmm0, xmmword [eax - 0x20]
xorps xmm1, xmm0
movups xmmword [ecx - 0x30], xmm1
cmp edx, esi
jne 0x503720
mov ebp, dword [esp + 0x1c]
mov eax, edi
and al, 0x3f
cmp al, 8
jb 0x5037d1
mov eax, edi
and eax, 0x80000007
jns 0x503793
dec eax
or eax, 0xfffffff8
inc eax
mov ecx, edi
mov esi, ebx
sub ecx, eax
sub esi, ebp
lea eax, [edx + ebp]
mov ebp, dword [esp + 0x60]
sub ebp, dword [esp + 0x1c]
nop word [eax + eax]
movq xmm1, qword [esi + eax]
lea eax, [eax + 8]
movq xmm0, qword [eax - 8]
add edx, 8
xorps xmm1, xmm0
movq qword [eax + ebp - 8], xmm1
cmp edx, ecx
jne 0x5037b0
mov ebp, dword [esp + 0x1c]
cmp edx, edi
je 0x5037f8
sub ebx, ebp
lea ecx, [edx + ebp]
mov ebp, dword [esp + 0x60]
mov esi, edi
sub ebp, dword [esp + 0x1c]
sub esi, edx
mov al, byte [ebx + ecx]
lea ecx, [ecx + 1]
xor al, byte [ecx - 1]
mov byte [ecx + ebp - 1], al
sub esi, 1
jne 0x5037e6
call fcn.004cc860
mov esi, eax
test esi, esi
jne 0x50380d
push 0x167
jmp 0x50359d
push dword [esp + 0x54]
push esi
call fcn.004cc4e0
mov ebp, dword [esp + 0x1c]
add esp, 8
test eax, eax
je 0x5038c2
mov ebx, dword [esp + 0x20]
push ebx
push ebp
push esi
call fcn.004cc6b0
add esp, 0xc
test eax, eax
je 0x5038c2
push edi
push dword [esp + 0x64]
push esi
call fcn.004cc6b0
add esp, 0xc
test eax, eax
je 0x5038c2
push ebx
lea eax, [ebx + ebp]
push eax
push esi
call fcn.004cc6b0
mov ebx, dword [esp + 0x24]
add esp, 0xc
test eax, eax
je 0x5038c6
push 0
push ebx
push esi
call fcn.004cc350
add esp, 0xc
test eax, eax
je 0x5038c6
push dword [esp + 0x30]
push dword [esp + 0x4c]
push ebx
call fcn.00401390
add esp, 0xc
test eax, eax
je 0x5038ab
push 0x175
push str.crypto_sm2_sm2_crypt.c
push 0x66
push 0x66
push 0x35
call fcn.004bdd70
mov edi, dword [esp + 0x24]
add esp, 0x14
jmp 0x503414
mov eax, dword [esp + 0x64]
mov dword [esp + 0x3c], 1
mov dword [eax], edi
mov edi, dword [esp + 0x10]
jmp 0x503428
mov ebx, dword [esp + 0x18]
push 0x170
push str.crypto_sm2_sm2_crypt.c
push 6
push 0x66
push 0x35
call fcn.004bdd70
mov edi, dword [esp + 0x24]
add esp, 0x14
jmp 0x503414
push 0x15e
push str.crypto_sm2_sm2_crypt.c
push 0x44
jmp 0x5035a4
push 0x156
push str.crypto_sm2_sm2_crypt.c
push 0x10
jmp 0x5035a4
push 0x147
jmp 0x50359d