Function at 0x10102870
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0xc
call fcn.101637b0
push ebp
mov ebp, dword [esp + 0x20]
push esi
mov esi, dword [esp + 0x18]
xor ecx, ecx
mov eax, dword [esi + 0x174]
mov dword [esp + 0xc], eax
mov eax, ebp
add eax, dword [esi + 0x38]
adc ecx, dword [esi + 0x3c]
cmp ecx, 0xf
ja 0x10102ace
jb 0x101028ac
cmp eax, 0xffffffe0
ja 0x10102ace
cmp dword [esi + 0x16c], 0
mov dword [esi + 0x38], eax
mov dword [esi + 0x3c], ecx
je 0x101028d5
lea eax, [esi + 0x60]
push eax
lea eax, [esi + 0x40]
push eax
call fcn.10103170
add esp, 8
mov dword [esi + 0x16c], 0
movzx ecx, byte [esi + 0xc]
movzx eax, byte [esi + 0xd]
shl ecx, 8
or ecx, eax
movzx eax, byte [esi + 0xe]
shl ecx, 8
or ecx, eax
movzx eax, byte [esi + 0xf]
shl ecx, 8
or ecx, eax
push ebx
mov ebx, dword [esi + 0x168]
push edi
mov edi, dword [esp + 0x24]
mov dword [esp + 0x10], ecx
mov ecx, dword [esp + 0x28]
mov dword [esp + 0x18], ebx
mov dword [esp + 0x20], ecx
mov dword [esp + 0x2c], edi
test ebx, ebx
je 0x1010295c
test ebp, ebp
je 0x10102940
mov al, byte [ebx + esi + 0x10]
xor al, byte [edi]
inc ecx
mov byte [ecx - 1], al
xor byte [ebx + esi + 0x40], al
inc edi
inc ebx
dec ebp
and ebx, 0xf
mov dword [esp + 0x20], ecx
mov dword [esp + 0x2c], edi
mov dword [esp + 0x18], ebx
jne 0x10102918
jmp 0x10102948
test ebx, ebx
jne 0x10102abe
lea eax, [esi + 0x60]
push eax
lea eax, [esi + 0x40]
push eax
call fcn.10103170
mov ecx, dword [esp + 0x28]
add esp, 8
cmp ebp, 0xc00
jb 0x101029f6
mov ebx, dword [esp + 0x10]
mov eax, 0xaaaaaaab
mul ebp
shr edx, 0xb
mov dword [esp + 0x2c], edx
lea ebx, [ebx]
push esi
push dword [esp + 0x18]
push 0xc0
push ecx
push edi
call dword [esp + 0x44]
add ebx, 0xc0
mov eax, ebx
shr eax, 0x18
mov byte [esi + 0xc], al
mov eax, ebx
shr eax, 0x10
mov byte [esi + 0xd], al
mov eax, ebx
shr eax, 8
push 0xc00
push dword [esp + 0x38]
mov byte [esi + 0xe], al
lea eax, [esi + 0x60]
push eax
lea eax, [esi + 0x40]
push eax
mov byte [esi + 0xf], bl
call fcn.10102f30
mov ecx, dword [esp + 0x44]
add ecx, 0xc00
add esp, 0x24
add edi, 0xc00
sub ebp, 0xc00
dec dword [esp + 0x2c]
mov dword [esp + 0x20], ecx
jne 0x10102980
mov dword [esp + 0x10], ebx
mov ebx, dword [esp + 0x18]
mov dword [esp + 0x2c], edi
mov eax, ebp
and eax, 0xfffffff0
mov dword [esp + 0x18], eax
je 0x10102a63
push esi
push dword [esp + 0x18]
mov edi, eax
shr edi, 4
push edi
push ecx
push dword [esp + 0x3c]
call dword [esp + 0x44]
mov ecx, dword [esp + 0x24]
add ecx, edi
mov edi, dword [esp + 0x40]
mov eax, ecx
shr eax, 0x18
mov byte [esi + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [esi + 0xd], al
mov eax, ecx
shr eax, 8
mov byte [esi + 0xe], al
mov eax, dword [esp + 0x2c]
push eax
push dword [esp + 0x38]
add edi, eax
sub ebp, eax
lea eax, [esi + 0x60]
push eax
lea eax, [esi + 0x40]
push eax
mov dword [esp + 0x34], ecx
mov byte [esi + 0xf], cl
call fcn.10102f30
mov eax, dword [esp + 0x3c]
add esp, 0x24
add dword [esp + 0x20], eax
test ebp, ebp
je 0x10102abe
push dword [esp + 0x14]
lea eax, [esi + 0x10]
push eax
mov eax, dword [esi + 0x170]
push esi
call eax
mov ecx, dword [esp + 0x1c]
inc ecx
mov eax, ecx
shr eax, 0x18
mov byte [esi + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [esi + 0xd], al
mov eax, ecx
shr eax, 8
mov byte [esi + 0xe], al
mov eax, dword [esp + 0x2c]
add esp, 0xc
mov byte [esi + 0xf], cl
lea edx, [ebx + eax]
sub edi, eax
movzx eax, byte [edi + edx]
movzx ecx, byte [esi + ebx + 0x10]
xor ecx, eax
lea eax, [esi + ebx]
mov byte [edx], cl
xor byte [eax + 0x40], cl
inc ebx
lea edx, [edx + 1]
dec ebp
jne 0x10102aa4
pop edi
mov dword [esi + 0x168], ebx
pop ebx
pop esi
xor eax, eax
pop ebp
add esp, 0xc
ret
pop esi
or eax, 0xffffffff
pop ebp
add esp, 0xc
ret