Function at 0x10183550
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
sub esp, 0x14
push ebx
push ebp
mov ebp, dword [esp + 0x28]
mov eax, edx
push esi
mov esi, dword [esp + 0x28]
mov ebx, ecx
push edi
mov edi, dword [esp + 0x28]
mov dword [esp + 0x10], eax
mov dword [esp + 0x14], ebx
cmp edi, eax
jne 0x1018357f
pop edi
pop esi
pop ebp
mov eax, ebx
pop ebx
add esp, 0x14
ret 0xc
test edi, edi
js 0x101838e5
test esi, esi
js 0x101838e5
je 0x101835a2
xor edx, edx
mov eax, 0x7fffffff
div esi
cmp edi, eax
jg 0x101838e5
mov ecx, edi
imul ecx, esi
mov dword [esp + 0x20], ecx
test ecx, ecx
js 0x101838e5
test ebp, ebp
js 0x101838e5
je 0x101835ce
xor edx, edx
mov eax, 0x7fffffff
div ebp
cmp ecx, eax
jg 0x101838e5
mov eax, ecx
imul eax, ebp
push eax
call fcn.1019bb45
add esp, 4
mov dword [esp + 0x1c], eax
test eax, eax
je 0x101838e5
mov dword [esp + 0x28], 0
test ebp, ebp
jle 0x101838ad
mov ecx, dword [esp + 0x10]
lea ebx, [esi - 1]
mov dword [esp + 0x18], eax
lea ebp, [ecx*8 - 0xa]
add ebp, edi
imul ecx, esi
mov dword [esp + 0x10], ecx
mov ecx, dword [esp + 0x14]
mov dword [esp + 0x2c], ecx
nop dword [eax + eax]
mov esi, ecx
cmp ebp, 0x19
ja case.0x10183632.3
movzx ecx, byte [ebp + 0x10183930]
jmp dword [ecx*4 + 0x101838fc]
mov edx, ebx
test edx, edx
js 0x1018387e
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 0x10183643
jmp 0x1018387e
mov edx, ebx
test edx, edx
js 0x1018387e
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 0x10183665
jmp 0x1018387e
mov edx, ebx
test edx, edx
js 0x1018387e
nop word [eax + eax]
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 0x10183690
jmp 0x1018387e
mov edx, ebx
test edx, edx
js 0x1018387e
nop dword [eax]
sub edx, 1
mov cl, byte [esi]
mov byte [eax], cl
lea esi, [esi + 2]
lea eax, [eax + 1]
jns 0x101836c0
jmp 0x1018387e
mov edx, ebx
test edx, edx
js 0x1018387e
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 0x101836e0
jmp 0x1018387e
mov edx, ebx
test edx, edx
js 0x1018387e
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 0x10183705
jmp 0x1018387e
mov edx, ebx
test edx, edx
js 0x1018387e
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 0x10183731
jmp 0x1018387e
mov edi, ebx
test edi, edi
js 0x1018387e
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 0x10183762
jmp 0x1018387e
mov edi, ebx
test edi, edi
js 0x1018387e
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 0x101837a0
jmp 0x1018387e
mov edi, ebx
test edi, edi
js 0x1018387e
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 0x101837e0
jmp 0x1018387e
mov edi, ebx
test edi, edi
js 0x1018387e
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 0x10183820
jmp 0x1018387e
mov edx, ebx
test edx, edx
js 0x1018387e
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 0x10183860
mov esi, dword [esp + 0x28]
mov ecx, dword [esp + 0x2c]
inc esi
mov eax, dword [esp + 0x18]
add ecx, dword [esp + 0x10]
add eax, dword [esp + 0x20]
mov dword [esp + 0x28], esi
mov dword [esp + 0x2c], ecx
mov dword [esp + 0x18], eax
cmp esi, dword [esp + 0x30]
jl 0x10183620
mov ebx, dword [esp + 0x14]
push ebx
call fcn.1019ac09
mov eax, dword [esp + 0x20]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret 0xc
push dword [esp + 0x14]
call fcn.1019ac09
push dword [esp + 0x20]
call fcn.1019ac09
add esp, 8
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret 0xc
push ebx
call fcn.1019ac09
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret 0xc