Function at 0x42bf43
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push ebp
push esi
mov esi, dword [esp + 0x18]
mov edx, dword [ebx + 0xe8]
push edi
test edx, edx
je 0x42bf64
mov eax, dword [ebx + 0x84]
sub eax, esi
dec eax
jmp 0x42bf66
mov eax, esi
mov ebp, dword [ebx + 0xcc]
mov edi, ebp
mov ecx, dword [ebx + 0xd4]
imul edi, eax
mov eax, ecx
imul eax, dword [esp + 0x18]
add edi, eax
add edi, dword [ebx + 0xc8]
test edx, edx
je 0x42bf8c
neg ebp
cmp dword [ebx + 0xe0], 0
jne 0x42c350
cmp dword [ebx + 0xe4], 0
jne 0x42c350
mov eax, dword [ebx + 0xd8]
test al, 2
je 0x42bfe0
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x42c374
mov al, byte [ebx + 0xf0]
xor byte [edi + 2], al
mov al, byte [ebx + 0xf4]
xor byte [edi + 1], al
mov al, byte [ebx + 0xf8]
xor byte [edi], al
add edi, ebp
dec ecx
jne 0x42bfbc
jmp 0x42c374
test eax, 0x100
je 0x42c020
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x42c374
mov al, byte [ebx + 0xf0]
mov byte [edi + 2], al
mov al, byte [ebx + 0xf4]
mov byte [edi + 1], al
mov al, byte [ebx + 0xf8]
mov byte [edi], al
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, ebp
dec ecx
jne 0x42bff3
jmp 0x42c374
test al, 8
je 0x42c04c
cmp ecx, 4
jne 0x42c374
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x42c374
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, ebp
dec ecx
jne 0x42c039
jmp 0x42c374
test al, 0x10
je 0x42c1fb
cmp ecx, 4
jne 0x42c19d
mov eax, dword [esp + 0x20]
jmp 0x42c18c
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x42c07e
movzx eax, byte [edi + 2]
jmp 0x42c0bf
test edx, edx
jne 0x42c08d
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x42c0bb
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 2]
imul ecx, dword [ebx + 0xf0], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov edx, dword [esp + 0x18]
mov byte [edi + 2], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x42c0d2
movzx eax, byte [edi + 1]
jmp 0x42c10f
test edx, edx
jne 0x42c0e1
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x42c10f
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 1]
imul ecx, dword [ebx + 0xf4], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi + 1], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x42c121
movzx eax, byte [edi]
jmp 0x42c161
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x42c134
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x42c161
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi]
imul ecx, dword [ebx + 0xf8], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi], al
imul ecx, dword [ebx + 0xfc], 0xff
mov eax, dword [ebx + 0x100]
imul eax, dword [esp + 0x18]
add eax, ecx
mov ecx, 0xff
cdq
idiv ecx
mov byte [edi + 3], al
mov eax, dword [esp + 0x14]
dec eax
add edi, ebp
mov dword [esp + 0x14], eax
test eax, eax
jne 0x42c066
jmp 0x42c374
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x42c374
mov esi, 0xff
movzx eax, byte [edi + 2]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf0]
cdq
idiv esi
mov byte [edi + 2], al
movzx eax, byte [edi + 1]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf4]
cdq
idiv esi
mov byte [edi + 1], al
movzx eax, byte [edi]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf8]
cdq
idiv esi
mov byte [edi], al
add edi, ebp
dec ecx
jne 0x42c1ae
jmp 0x42c374
test al, 0x20
je 0x42c327
cmp ecx, 4
jne 0x42c327
mov eax, dword [esp + 0x20]
jmp 0x42c319
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x42c22d
movzx eax, byte [edi + 2]
jmp 0x42c26e
test edx, edx
jne 0x42c23c
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x42c26a
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 2]
imul ecx, dword [ebx + 0xf0], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov edx, dword [esp + 0x18]
mov byte [edi + 2], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x42c281
movzx eax, byte [edi + 1]
jmp 0x42c2be
test edx, edx
jne 0x42c290
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x42c2be
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 1]
imul ecx, dword [ebx + 0xf4], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi + 1], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x42c2d0
movzx eax, byte [edi]
jmp 0x42c310
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x42c2e3
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x42c310
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi]
imul ecx, dword [ebx + 0xf8], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi], al
mov eax, dword [esp + 0x14]
dec eax
add edi, ebp
mov dword [esp + 0x14], eax
test eax, eax
jne 0x42c215
jmp 0x42c374
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x42c374
mov al, byte [ebx + 0xf0]
mov byte [edi + 2], al
mov al, byte [ebx + 0xf4]
mov byte [edi + 1], al
mov al, byte [ebx + 0xf8]
mov byte [edi], al
add edi, ebp
dec ecx
jne 0x42c32f
jmp 0x42c374
mov eax, dword [esp + 0x20]
mov dword [esp + 0x14], eax
test eax, eax
je 0x42c374
push edi
push esi
push dword [esp + 0x20]
push ebx
call fcn.0042ba75
add esp, 0x10
add edi, ebp
inc esi
dec dword [esp + 0x14]
jne 0x42c35c
pop edi
pop esi
pop ebp
pop ebx
ret