Function at 0x42bf50
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
push ebx
mov ebx, dword [ebp + 0x10]
mov eax, ecx
push esi
mov esi, dword [ebp + 8]
mov dword [ebp - 4], edx
mov dword [ebp - 8], eax
push edi
mov edi, dword [ebp + 0xc]
cmp esi, edx
je 0x42c31c
cmp esi, 1
jl 0x42bf7c
cmp esi, 4
jle 0x42bf9c
push 0x6e1
push str.D:GABRIELEprogrammazioneVisual_StudioOpenGLTurorialOpenGLTurorial_src_vendor_stb_stb_image.h
push str.req_comp___1__req_comp___4
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__wassert]
add esp, 0xc
test esi, esi
js 0x42c2fc
test edi, edi
js 0x42c2fc
je 0x42bfb7
xor edx, edx
mov eax, 0x7fffffff
div edi
cmp esi, eax
jg 0x42c2fc
mov ecx, esi
imul ecx, edi
mov dword [ebp - 0x18], ecx
test ecx, ecx
js 0x42c2fc
test ebx, ebx
js 0x42c2fc
je 0x42bfe2
xor edx, edx
mov eax, 0x7fffffff
div ebx
cmp ecx, eax
jg 0x42c2fc
mov eax, ecx
imul eax, ebx
push eax
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_malloc]
add esp, 4
mov dword [ebp - 0x14], eax
test eax, eax
je 0x42c2fc
mov dword [ebp + 8], 0
test ebx, ebx
jle 0x42c2a3
mov ecx, dword [ebp - 4]
lea ebx, [edi - 1]
mov dword [ebp - 0x10], eax
lea ecx, [ecx*8 - 0xa]
add ecx, esi
mov esi, dword [ebp - 4]
imul esi, edi
mov dword [ebp - 0x1c], ecx
mov dword [ebp - 4], esi
mov esi, dword [ebp - 8]
mov dword [ebp - 0xc], esi
nop
cmp ecx, 0x19
ja case.0x42c040.3
movzx ecx, byte [ecx + 0x42c358]
jmp dword [ecx*4 + 0x42c324]
mov edx, ebx
test edx, edx
js 0x42c27e
sub edx, 1
mov cl, byte [esi]
mov byte [eax], cl
lea esi, [esi + 1]
mov byte [eax + 1], 0xff
lea eax, [eax + 2]
jns 0x42c051
jmp 0x42c27e
mov edx, ebx
test edx, edx
js 0x42c27e
sub edx, 1
mov cl, byte [esi]
mov byte [eax + 2], cl
lea esi, [esi + 1]
mov byte [eax + 1], cl
lea eax, [eax + 3]
mov byte [eax - 3], cl
jns 0x42c073
jmp 0x42c27e
mov edx, ebx
test edx, edx
js 0x42c27e
sub edx, 1
mov cl, byte [esi]
mov byte [eax + 2], cl
lea esi, [esi + 1]
mov byte [eax + 1], cl
lea eax, [eax + 4]
mov byte [eax - 4], cl
mov byte [eax - 1], 0xff
jns 0x42c098
jmp 0x42c27e
mov edx, ebx
test edx, edx
js 0x42c27e
sub edx, 1
mov cl, byte [esi]
mov byte [eax], cl
lea esi, [esi + 2]
lea eax, [eax + 1]
jns 0x42c0c1
jmp 0x42c27e
mov edx, ebx
test edx, edx
js 0x42c27e
nop
sub edx, 1
mov cl, byte [esi]
mov byte [eax + 2], cl
lea esi, [esi + 2]
mov byte [eax + 1], cl
lea eax, [eax + 3]
mov byte [eax - 3], cl
jns 0x42c0e0
jmp 0x42c27e
mov edx, ebx
test edx, edx
js 0x42c27e
sub edx, 1
mov cl, byte [esi]
mov byte [eax + 2], cl
lea esi, [esi + 2]
mov byte [eax + 1], cl
lea eax, [eax + 4]
mov byte [eax - 4], cl
movzx ecx, byte [esi - 1]
mov byte [eax - 1], cl
jns 0x42c105
jmp 0x42c27e
mov edx, ebx
test edx, edx
js 0x42c27e
sub edx, 1
movzx ecx, byte [esi]
mov byte [eax], cl
lea esi, [esi + 3]
movzx ecx, byte [esi - 2]
lea eax, [eax + 4]
mov byte [eax - 3], cl
movzx ecx, byte [esi - 1]
mov byte [eax - 2], cl
mov byte [eax - 1], 0xff
jns 0x42c131
jmp 0x42c27e
mov edi, ebx
test edi, edi
js 0x42c27e
movzx ecx, byte [esi + 1]
lea esi, [esi + 3]
imul edx, ecx, 0x96
lea eax, [eax + 1]
movzx ecx, byte [esi - 1]
imul ecx, ecx, 0x1d
add edx, ecx
movzx ecx, byte [esi - 3]
imul ecx, ecx, 0x4d
add edx, ecx
shr edx, 8
sub edi, 1
mov byte [eax - 1], dl
jns 0x42c162
jmp 0x42c27e
mov edi, ebx
test edi, edi
js 0x42c27e
nop
movzx ecx, byte [esi + 1]
lea esi, [esi + 3]
imul edx, ecx, 0x96
lea eax, [eax + 2]
movzx ecx, byte [esi - 1]
imul ecx, ecx, 0x1d
add edx, ecx
movzx ecx, byte [esi - 3]
imul ecx, ecx, 0x4d
mov byte [eax - 1], 0xff
add edx, ecx
shr edx, 8
sub edi, 1
mov byte [eax - 2], dl
jns 0x42c1a0
jmp 0x42c27e
mov edi, ebx
test edi, edi
js 0x42c27e
movzx ecx, byte [esi + 1]
lea esi, [esi + 4]
imul edx, ecx, 0x96
lea eax, [eax + 1]
movzx ecx, byte [esi - 2]
imul ecx, ecx, 0x1d
add edx, ecx
movzx ecx, byte [esi - 4]
imul ecx, ecx, 0x4d
add edx, ecx
shr edx, 8
sub edi, 1
mov byte [eax - 1], dl
jns 0x42c1e0
jmp 0x42c27e
mov edi, ebx
test edi, edi
js 0x42c27e
nop dword [eax]
movzx ecx, byte [esi + 1]
lea esi, [esi + 4]
imul edx, ecx, 0x96
lea eax, [eax + 2]
movzx ecx, byte [esi - 2]
imul ecx, ecx, 0x1d
add edx, ecx
movzx ecx, byte [esi - 4]
imul ecx, ecx, 0x4d
add edx, ecx
shr edx, 8
sub edi, 1
mov byte [eax - 2], dl
mov cl, byte [esi - 1]
mov byte [eax - 1], cl
jns 0x42c220
jmp 0x42c27e
mov edx, ebx
test edx, edx
js 0x42c27e
nop dword [eax + eax]
sub edx, 1
movzx ecx, byte [esi]
mov byte [eax], cl
lea esi, [esi + 4]
movzx ecx, byte [esi - 3]
lea eax, [eax + 3]
mov byte [eax - 2], cl
movzx ecx, byte [esi - 2]
mov byte [eax - 1], cl
jns 0x42c260
mov ecx, dword [ebp + 8]
mov esi, dword [ebp - 0xc]
inc ecx
mov eax, dword [ebp - 0x10]
add esi, dword [ebp - 4]
add eax, dword [ebp - 0x18]
cmp ecx, dword [ebp + 0x10]
mov dword [ebp + 8], ecx
mov ecx, dword [ebp - 0x1c]
mov dword [ebp - 0xc], esi
mov dword [ebp - 0x10], eax
jl 0x42c030
push dword [ebp - 8]
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
mov eax, dword [ebp - 0x14]
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push 0x6fe
push str.D:GABRIELEprogrammazioneVisual_StudioOpenGLTurorialOpenGLTurorial_src_vendor_stb_stb_image.h
push 0x493148
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__wassert]
push dword [ebp - 8]
mov esi, dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
call esi
push dword [ebp - 0x14]
call esi
mov eax, dword fs:[0x2c]
add esp, 0x14
mov eax, dword [eax]
pop edi
pop esi
pop ebx
mov dword [eax + 0xc], str.unsupported
xor eax, eax
mov esp, ebp
pop ebp
ret
push dword [ebp - 8]
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
mov eax, dword fs:[0x2c]
add esp, 4
mov eax, dword [eax]
mov dword [eax + 0xc], str.outofmem
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret