Function at 0x1001b580
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
sub esp, 0x40
mov eax, dword [0x1007a00c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebx + 0xc]
push edi
mov edi, ecx
mov dword [ebp - 0x30], edi
cmp esi, 3
jl 0x1001b920
test byte [edi + 0x24], 2
mov eax, dword [edi + 0x28]
movss xmm0, dword [eax]
movss dword [ebp - 0x28], xmm0
movss xmm0, dword [eax + 4]
movss dword [ebp - 0x14], xmm0
je 0x1001b881
mov eax, dword [ebx + 0x10]
and eax, 0xffffff
mov dword [ebp - 0x34], eax
lea eax, [esi + esi]
push eax
mov dword [ebp - 0x3c], eax
lea eax, [esi*8 - 6]
add eax, esi
push eax
call fcn.1001a8c0
mov eax, dword [edi + 0x30]
mov edx, 2
mov dword [ebp - 0x24], eax
mov dword [ebp - 0xc], edx
lea ecx, [eax + 1]
mov dword [ebp - 0x38], ecx
nop dword [eax + eax]
movzx ecx, ax
mov eax, dword [edi + 0x38]
lea edx, [ecx + edx*2]
mov word [eax], cx
lea ecx, [edx - 2]
mov eax, dword [edi + 0x38]
mov word [eax + 2], cx
mov eax, dword [edi + 0x38]
mov word [eax + 4], dx
mov edx, dword [ebp - 0xc]
add dword [edi + 0x38], 6
inc edx
mov eax, dword [ebp - 0x24]
mov dword [ebp - 0xc], edx
cmp edx, esi
jl 0x1001b610
lea eax, [esi*8]
call fcn.10052bf0
movss xmm4, dword [0x1007724c]
lea eax, [esi - 1]
mov edi, dword [ebx + 8]
xor edx, edx
mov dword [ebp - 0x18], eax
mov ecx, esp
shl eax, 3
xorps xmm5, xmm5
mov dword [ebp - 0x20], edx
mov dword [ebp - 8], eax
nop dword [eax]
movss xmm0, dword [edi + edx*8]
lea esi, [edi + 4]
movss xmm2, dword [edi + edx*8 + 4]
subss xmm0, dword [eax + edi]
subss xmm2, dword [eax + edi + 4]
mov dword [ebp - 0xc], esi
movaps xmm1, xmm0
movss dword [ebp - 0x2c], xmm0
movaps xmm3, xmm2
mulss xmm1, xmm0
mulss xmm3, xmm2
movss dword [ebp - 0x1c], xmm2
addss xmm3, xmm1
comiss xmm3, xmm5
jbe 0x1001b6db
movaps xmm0, xmm3
call fcn.10012870
movss xmm4, dword [0x1007724c]
xorps xmm5, xmm5
movss xmm2, dword [ebp - 0x1c]
movaps xmm1, xmm4
mov eax, dword [ebp - 8]
mov ecx, esp
mov edx, dword [ebp - 0x20]
divss xmm1, xmm0
movss xmm0, dword [ebp - 0x2c]
jmp 0x1001b6de
movaps xmm1, xmm4
mulss xmm0, xmm1
mulss xmm2, xmm1
xorps xmm0, xmmword [0x10077880]
movss dword [eax + ecx + 4], xmm0
movss dword [eax + ecx], xmm2
lea eax, [edx*8]
inc edx
mov dword [ebp - 8], eax
mov dword [ebp - 0x20], edx
cmp edx, dword [ebx + 0xc]
jl 0x1001b670
movss xmm5, dword [0x10077210]
mov eax, ecx
movss xmm6, dword [0x100771b8]
sub eax, edi
movss xmm7, dword [0x10077390]
xor esi, esi
mov edi, dword [ebp - 0x30]
mov edx, dword [ebp - 0xc]
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0x18]
mov dword [ebp - 8], esi
nop dword [eax]
movss xmm2, dword [ecx + esi*8]
mov esi, dword [ebp - 0x1c]
addss xmm2, dword [ecx + eax*8]
movss xmm3, dword [esi + edx]
addss xmm3, dword [ecx + eax*8 + 4]
mov esi, dword [ebp - 8]
mulss xmm2, xmm5
mulss xmm3, xmm5
movaps xmm1, xmm2
mulss xmm1, xmm2
movaps xmm0, xmm3
mulss xmm0, xmm3
addss xmm1, xmm0
comiss xmm1, xmm6
jbe 0x1001b793
movaps xmm0, xmm4
divss xmm0, xmm1
movaps xmm1, xmm7
minss xmm1, xmm0
movaps xmm0, xmm1
mulss xmm3, xmm1
mulss xmm2, xmm0
movss xmm1, dword [edx - 4]
movss xmm0, dword [edx]
mov eax, dword [edi + 0x34]
mov ecx, dword [ebx + 0x10]
mulss xmm2, xmm5
mulss xmm3, xmm5
subss xmm1, xmm2
subss xmm0, xmm3
movss dword [eax], xmm1
movss xmm1, dword [ebp - 0x14]
movss dword [eax + 4], xmm0
mov eax, dword [edi + 0x34]
movss xmm0, dword [ebp - 0x28]
movss dword [eax + 8], xmm0
movss dword [eax + 0xc], xmm1
mov eax, dword [edi + 0x34]
mov dword [eax + 0x10], ecx
addss xmm2, dword [edx - 4]
addss xmm3, dword [edx]
mov eax, dword [edi + 0x34]
mov ecx, dword [ebp - 0x34]
movss dword [eax + 0x14], xmm2
movss dword [eax + 0x18], xmm3
mov eax, dword [edi + 0x34]
movss dword [eax + 0x1c], xmm0
movss dword [eax + 0x20], xmm1
mov eax, dword [edi + 0x34]
mov dword [eax + 0x24], ecx
mov eax, dword [ebp - 0x24]
add dword [edi + 0x34], 0x28
movzx ecx, ax
mov eax, dword [edi + 0x38]
lea esi, [ecx + esi*2]
mov word [eax], si
mov eax, dword [ebp - 0x18]
lea ecx, [ecx + eax*2]
mov eax, dword [edi + 0x38]
mov word [eax + 2], cx
mov eax, dword [ebp - 0x38]
movzx edx, ax
mov eax, dword [ebp - 0x18]
lea ecx, [edx + eax*2]
mov eax, dword [edi + 0x38]
mov word [eax + 4], cx
mov eax, dword [edi + 0x38]
mov word [eax + 6], cx
mov eax, dword [ebp - 8]
lea ecx, [edx + eax*2]
mov eax, dword [edi + 0x38]
mov edx, dword [ebp - 0xc]
add edx, 8
mov dword [ebp - 0xc], edx
mov word [eax + 8], cx
mov ecx, esp
mov eax, dword [edi + 0x38]
mov word [eax + 0xa], si
mov esi, dword [ebp - 8]
mov eax, esi
add dword [edi + 0x38], 0xc
inc esi
mov dword [ebp - 0x18], eax
mov dword [ebp - 8], esi
cmp esi, dword [ebx + 0xc]
jl 0x1001b740
mov eax, dword [ebp - 0x3c]
movzx eax, ax
jmp 0x1001b91d
lea eax, [esi - 2]
push esi
lea eax, [eax + eax*2]
push eax
call fcn.1001a8c0
movss xmm0, dword [ebp - 0x28]
movss xmm1, dword [ebp - 0x14]
mov dword [ebp - 0x10], esi
mov esi, dword [ebx + 8]
nop
mov eax, dword [edi + 0x34]
lea esi, [esi + 8]
mov ecx, dword [esi - 8]
mov edx, dword [esi - 4]
mov dword [eax], ecx
mov ecx, dword [ebx + 0x10]
mov dword [eax + 4], edx
mov eax, dword [edi + 0x34]
movss dword [eax + 8], xmm0
movss dword [eax + 0xc], xmm1
mov eax, dword [edi + 0x34]
mov dword [eax + 0x10], ecx
add dword [edi + 0x34], 0x14
sub dword [ebp - 0x10], 1
jne 0x1001b8a0
mov esi, dword [ebx + 0xc]
mov edx, 2
mov dword [ebp - 0x14], edx
nop dword [eax]
mov ecx, dword [edi + 0x38]
mov ax, word [edi + 0x30]
movzx edx, dx
mov word [ecx], ax
movzx ecx, word [edi + 0x30]
mov eax, dword [edi + 0x38]
dec cx
add cx, dx
mov word [eax + 2], cx
movzx ecx, word [edi + 0x30]
mov eax, dword [edi + 0x38]
add cx, dx
mov edx, dword [ebp - 0x14]
inc edx
mov dword [ebp - 0x14], edx
mov word [eax + 4], cx
add dword [edi + 0x38], 6
cmp edx, esi
jl 0x1001b8e0
movzx eax, si
add dword [edi + 0x30], eax
lea esp, [ebp - 0x48]
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1004edb4
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0xc