Function at 0x1018dea0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
sub esp, 0x14
push ebx
mov ebx, dword [esp + 0x24]
mov eax, edx
push ebp
push esi
mov esi, dword [esp + 0x28]
mov ebp, ecx
push edi
mov edi, dword [esp + 0x28]
mov dword [esp + 0x10], eax
mov dword [esp + 0x14], ebp
cmp edi, eax
jne 0x1018decf
pop edi
pop esi
mov eax, ebp
pop ebp
pop ebx
add esp, 0x14
ret 0xc
test edi, edi
js 0x1018e235
test esi, esi
js 0x1018e235
je 0x1018def2
xor edx, edx
mov eax, 0x7fffffff
div esi
cmp edi, eax
jg 0x1018e235
mov ecx, edi
imul ecx, esi
mov dword [esp + 0x20], ecx
test ecx, ecx
js 0x1018e235
test ebx, ebx
js 0x1018e235
je 0x1018df1e
xor edx, edx
mov eax, 0x7fffffff
div ebx
cmp ecx, eax
jg 0x1018e235
mov eax, ecx
imul eax, ebx
push eax
call fcn.101a6b6a
add esp, 4
mov dword [esp + 0x1c], eax
test eax, eax
je 0x1018e235
mov dword [esp + 0x28], 0
test ebx, ebx
jle 0x1018e1fd
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.0x1018df82.3
movzx ecx, byte [ebp + 0x1018e280]
jmp dword [ecx*4 + 0x1018e24c]
mov edx, ebx
test edx, edx
js 0x1018e1ce
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 0x1018df93
jmp 0x1018e1ce
mov edx, ebx
test edx, edx
js 0x1018e1ce
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 0x1018dfb5
jmp 0x1018e1ce
mov edx, ebx
test edx, edx
js 0x1018e1ce
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 0x1018dfe0
jmp 0x1018e1ce
mov edx, ebx
test edx, edx
js 0x1018e1ce
nop dword [eax]
sub edx, 1
mov cl, byte [esi]
mov byte [eax], cl
lea esi, [esi + 2]
lea eax, [eax + 1]
jns 0x1018e010
jmp 0x1018e1ce
mov edx, ebx
test edx, edx
js 0x1018e1ce
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 0x1018e030
jmp 0x1018e1ce
mov edx, ebx
test edx, edx
js 0x1018e1ce
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 0x1018e055
jmp 0x1018e1ce
mov edx, ebx
test edx, edx
js 0x1018e1ce
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 0x1018e081
jmp 0x1018e1ce
mov edi, ebx
test edi, edi
js 0x1018e1ce
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 0x1018e0b2
jmp 0x1018e1ce
mov edi, ebx
test edi, edi
js 0x1018e1ce
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 0x1018e0f0
jmp 0x1018e1ce
mov edi, ebx
test edi, edi
js 0x1018e1ce
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 0x1018e130
jmp 0x1018e1ce
mov edi, ebx
test edi, edi
js 0x1018e1ce
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 0x1018e170
jmp 0x1018e1ce
mov edx, ebx
test edx, edx
js 0x1018e1ce
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 0x1018e1b0
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 0x1018df70
mov ebp, dword [esp + 0x14]
push ebp
call fcn.101a5c29
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.101a5c29
push dword [esp + 0x20]
call fcn.101a5c29
add esp, 8
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret 0xc
push ebp
call fcn.101a5c29
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret 0xc