Function at 0x5219b6
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 0x5219d7
mov eax, dword [ebx + 0x84]
sub eax, esi
dec eax
jmp 0x5219d9
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 0x5219ff
neg ebp
cmp dword [ebx + 0xe0], 0
jne 0x521dc3
cmp dword [ebx + 0xe4], 0
jne 0x521dc3
mov eax, dword [ebx + 0xd8]
test al, 2
je 0x521a53
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x521de7
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 0x521a2f
jmp 0x521de7
test eax, 0x100
je 0x521a93
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x521de7
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 0x521a66
jmp 0x521de7
test al, 8
je 0x521abf
cmp ecx, 4
jne 0x521de7
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x521de7
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, ebp
dec ecx
jne 0x521aac
jmp 0x521de7
test al, 0x10
je 0x521c6e
cmp ecx, 4
jne 0x521c10
mov eax, dword [esp + 0x20]
jmp 0x521bff
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x521af1
movzx eax, byte [edi + 2]
jmp 0x521b32
test edx, edx
jne 0x521b00
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x521b2e
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 0x521b45
movzx eax, byte [edi + 1]
jmp 0x521b82
test edx, edx
jne 0x521b54
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x521b82
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 0x521b94
movzx eax, byte [edi]
jmp 0x521bd4
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x521ba7
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x521bd4
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 0x521ad9
jmp 0x521de7
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x521de7
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 0x521c21
jmp 0x521de7
test al, 0x20
je 0x521d9a
cmp ecx, 4
jne 0x521d9a
mov eax, dword [esp + 0x20]
jmp 0x521d8c
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x521ca0
movzx eax, byte [edi + 2]
jmp 0x521ce1
test edx, edx
jne 0x521caf
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x521cdd
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 0x521cf4
movzx eax, byte [edi + 1]
jmp 0x521d31
test edx, edx
jne 0x521d03
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x521d31
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 0x521d43
movzx eax, byte [edi]
jmp 0x521d83
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x521d56
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x521d83
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 0x521c88
jmp 0x521de7
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x521de7
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 0x521da2
jmp 0x521de7
mov eax, dword [esp + 0x20]
mov dword [esp + 0x14], eax
test eax, eax
je 0x521de7
push edi
push esi
push dword [esp + 0x20]
push ebx
call fcn.005214e8
add esp, 0x10
add edi, ebp
inc esi
dec dword [esp + 0x14]
jne 0x521dcf
pop edi
pop esi
pop ebp
pop ebx
ret