Function at 0x100f1320
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
push esi
mov esi, ecx
mov ecx, dword [ebx + 0xc]
mov dword [ebp - 0x14], esi
push edi
mov edi, dword [ebx + 8]
cmp ecx, 3
jl 0x100f16e3
test byte [esi + 0x24], 4
mov eax, dword [esi + 0x2c]
movss xmm0, dword [eax]
movss dword [ebp - 0x1c], xmm0
movss xmm0, dword [eax + 4]
movss dword [ebp - 0x20], xmm0
je 0x100f164b
mov eax, dword [ebx + 0x10]
movss xmm0, dword [esi + 0x8c]
and eax, 0xffffff
mov dword [ebp - 0x38], eax
lea eax, [ecx + ecx]
push eax
mov dword [ebp - 0x3c], eax
lea eax, [ecx*8 - 6]
add eax, ecx
movss dword [ebp - 0x34], xmm0
push eax
mov ecx, esi
call fcn.100f0420
mov eax, dword [esi + 0x28]
mov edi, dword [ebx + 0xc]
movzx edx, ax
mov dword [ebp - 0x30], eax
lea ecx, [eax + 1]
mov dword [ebp - 0x10], edx
mov dword [ebp - 0x18], ecx
mov ecx, 2
mov dword [ebp - 8], ecx
nop dword [eax]
mov eax, dword [esi + 0x38]
mov word [eax], dx
lea edx, [edx + ecx*2]
mov eax, dword [esi + 0x38]
lea ecx, [edx - 2]
mov word [eax + 2], cx
mov eax, dword [esi + 0x38]
mov ecx, dword [ebp - 8]
inc ecx
mov dword [ebp - 8], ecx
mov word [eax + 4], dx
add dword [esi + 0x38], 6
mov edx, dword [ebp - 0x10]
cmp ecx, edi
jl 0x100f13c0
lea eax, [edi*8]
call fcn.10147e00
lea eax, [edi - 1]
mov dword [ebp - 8], esp
mov edi, dword [ebx + 8]
lea ecx, [eax*8]
xor edx, edx
mov dword [ebp - 4], eax
mov eax, dword [ebx + 0xc]
xorps xmm4, xmm4
mov dword [ebp - 0x10], edx
mov dword [ebp - 0xc], ecx
nop dword [eax]
movss xmm2, dword [edi + edx*8]
lea esi, [edx*8]
movss xmm1, dword [edi + edx*8 + 4]
subss xmm2, dword [ecx + edi]
subss xmm1, dword [ecx + edi + 4]
movaps xmm0, xmm2
movss dword [ebp - 0x28], xmm2
movaps xmm3, xmm1
mulss xmm0, xmm2
mulss xmm3, xmm1
movss dword [ebp - 0x2c], xmm1
addss xmm3, xmm0
comiss xmm3, xmm4
jbe 0x100f1495
push ecx
movss dword [esp], xmm3
call fcn.10001dd0
fld1
add esp, 4
fdivrp st(1)
xorps xmm4, xmm4
mov eax, dword [ebx + 0xc]
mov ecx, dword [ebp - 0xc]
mov edx, dword [ebp - 0x10]
movss xmm2, dword [ebp - 0x28]
fstp dword [ebp - 0x24]
movss xmm1, dword [ebp - 0x24]
movaps xmm0, xmm1
mulss xmm1, dword [ebp - 0x2c]
mulss xmm2, xmm0
mov edi, dword [ebp - 8]
inc edx
xorps xmm2, xmmword [0x10184ed0]
mov dword [ebp - 0x10], edx
movss dword [ecx + edi], xmm1
movss dword [ecx + edi + 4], xmm2
mov ecx, esi
mov edi, dword [ebx + 8]
mov dword [ebp - 0xc], ecx
cmp edx, eax
jl 0x100f1420
mov eax, dword [ebp - 0x30]
lea edx, [edi + 4]
movss xmm6, dword [0x101847f8]
movss xmm5, dword [0x1018474c]
movss xmm7, dword [0x10184794]
movzx eax, ax
mov dword [ebp - 0x30], eax
mov eax, dword [ebp - 8]
mov ecx, eax
sub ecx, edi
mov dword [ebp - 0x10], edx
mov dword [ebp - 0x2c], ecx
xor edi, edi
movss xmm2, dword [eax + edi*8]
movaps xmm4, xmm6
movss xmm3, dword [edx + ecx]
mov esi, dword [ebp - 4]
mov ecx, esi
addss xmm3, dword [eax + ecx*8 + 4]
addss xmm2, dword [eax + esi*8]
mov esi, dword [ebp - 0x14]
mov ecx, dword [ebx + 0x10]
movaps xmm0, xmm3
mulss xmm0, xmm3
movaps xmm1, xmm2
mov eax, dword [esi + 0x34]
mulss xmm1, xmm2
addss xmm1, xmm0
movss xmm0, dword [ebp - 0x34]
mulss xmm0, xmm5
mulss xmm1, xmm5
maxss xmm1, xmm7
divss xmm4, xmm1
movaps xmm1, xmm4
mulss xmm4, xmm3
mulss xmm1, xmm2
movss xmm2, dword [ebp - 0x20]
mulss xmm1, xmm0
movss xmm0, dword [ebp - 0x34]
mulss xmm0, xmm5
mulss xmm4, xmm0
movss xmm0, dword [edx - 4]
subss xmm0, xmm1
movss dword [eax], xmm0
movss xmm0, dword [edx]
mov eax, dword [esi + 0x34]
subss xmm0, xmm4
movss dword [eax + 4], xmm0
mov eax, dword [esi + 0x34]
movss xmm0, dword [ebp - 0x1c]
movss dword [eax + 8], xmm0
movss dword [eax + 0xc], xmm2
mov eax, dword [esi + 0x34]
mov dword [eax + 0x10], ecx
addss xmm1, dword [edx - 4]
mov eax, dword [esi + 0x34]
mov ecx, dword [ebp - 0x38]
movss dword [eax + 0x14], xmm1
addss xmm4, dword [edx]
mov eax, dword [esi + 0x34]
movss dword [eax + 0x18], xmm4
mov eax, dword [esi + 0x34]
movss dword [eax + 0x1c], xmm0
movss dword [eax + 0x20], xmm2
mov eax, dword [esi + 0x34]
mov dword [eax + 0x24], ecx
mov eax, dword [esi + 0x38]
add dword [esi + 0x34], 0x28
mov ecx, dword [ebp - 0x30]
lea edx, [ecx + edi*2]
mov word [eax], dx
mov eax, dword [ebp - 4]
lea ecx, [ecx + eax*2]
mov eax, dword [esi + 0x38]
mov esi, dword [ebp - 0x18]
mov word [eax + 2], cx
mov eax, dword [ebp - 4]
movzx ecx, si
mov esi, dword [ebp - 0x14]
mov dword [ebp - 4], edi
lea ecx, [ecx + eax*2]
mov eax, dword [esi + 0x38]
mov word [eax + 4], cx
mov eax, dword [esi + 0x38]
mov word [eax + 6], cx
mov ecx, dword [ebp - 0x18]
movzx eax, cx
lea ecx, [eax + edi*2]
mov eax, dword [esi + 0x38]
mov word [eax + 8], cx
mov eax, dword [esi + 0x38]
mov word [eax + 0xa], dx
add dword [esi + 0x38], 0xc
inc edi
mov edx, dword [ebp - 0x10]
mov eax, dword [ebp - 8]
add edx, 8
mov ecx, dword [ebp - 0x2c]
mov dword [ebp - 0x10], edx
cmp edi, dword [ebx + 0xc]
jl 0x100f14f1
mov eax, dword [ebp - 0x3c]
movzx eax, ax
add dword [esi + 0x28], eax
lea esp, [ebp - 0x48]
pop edi
pop esi
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0xc
push ecx
add ecx, 0xfffffffe
lea eax, [ecx + ecx*2]
mov ecx, esi
push eax
call fcn.100f0420
mov eax, dword [ebx + 0xc]
movss xmm0, dword [ebp - 0x1c]
movss xmm1, dword [ebp - 0x20]
mov dword [ebp - 0x18], eax
nop word [eax + eax]
mov eax, dword [esi + 0x34]
lea edi, [edi + 8]
mov ecx, dword [edi - 8]
mov edx, dword [edi - 4]
mov dword [eax], ecx
mov ecx, dword [ebx + 0x10]
mov dword [eax + 4], edx
mov eax, dword [esi + 0x34]
movss dword [eax + 8], xmm0
movss dword [eax + 0xc], xmm1
mov eax, dword [esi + 0x34]
mov dword [eax + 0x10], ecx
add dword [esi + 0x34], 0x14
sub dword [ebp - 0x18], 1
jne 0x100f1670
mov edi, 2
mov ecx, dword [esi + 0x38]
mov ax, word [esi + 0x28]
movzx edx, di
inc edi
mov word [ecx], ax
movzx ecx, word [esi + 0x28]
mov eax, dword [esi + 0x38]
dec cx
add cx, dx
mov word [eax + 2], cx
mov eax, dword [esi + 0x38]
movzx ecx, word [esi + 0x28]
add cx, dx
mov word [eax + 4], cx
add dword [esi + 0x38], 6
mov eax, dword [ebx + 0xc]
cmp edi, eax
jl 0x100f16a6
movzx eax, ax
add dword [esi + 0x28], eax
lea esp, [ebp - 0x48]
pop edi
pop esi
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0xc