Function at 0x10039a40
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, dword [ebx + 0xc]
push edi
mov edi, ecx
mov dword [ebp - 0x30], edi
cmp esi, 3
jl 0x10039e00
test byte [edi + 0x24], 2
mov eax, dword [edi + 0x28]
movss xmm0, dword [eax]
movss dword [ebp - 0x10], xmm0
movss xmm0, dword [eax + 4]
movss dword [ebp - 0x14], xmm0
je 0x10039d67
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.10038d50
mov eax, dword [edi + 0x30]
mov edx, 2
mov dword [ebp - 0x1c], eax
mov dword [ebp - 0xc], edx
lea ecx, [eax + 1]
mov dword [ebp - 0x38], ecx
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 - 0x1c]
mov dword [ebp - 0xc], edx
cmp edx, esi
jl 0x10039ac1
lea eax, [esi*8]
call fcn.100a5370
mov edi, dword [ebx + 8]
lea eax, [esi - 1]
xor edx, edx
mov dword [ebp - 4], eax
shl eax, 3
mov ecx, esp
mov dword [ebp - 0x18], edx
xorps xmm4, xmm4
mov dword [ebp - 8], eax
nop word [eax + eax]
movss xmm2, dword [edi + edx*8 + 4]
lea esi, [edx*8]
movss xmm0, dword [edi + edx*8]
subss xmm0, dword [eax + edi]
subss xmm2, dword [eax + edi + 4]
mov dword [ebp - 0x2c], esi
lea esi, [edi + 4]
mov dword [ebp - 0xc], esi
mov esi, dword [ebx + 0xc]
movaps xmm1, xmm0
movss dword [ebp - 0x24], xmm0
movaps xmm3, xmm2
mulss xmm1, xmm0
mulss xmm3, xmm2
movss dword [ebp - 0x28], xmm2
addss xmm3, xmm1
comiss xmm3, xmm4
jbe 0x10039b9a
movaps xmm0, xmm3
call fcn.100029b0
movss xmm1, dword [0x100c4bc8]
xorps xmm4, xmm4
divss xmm1, xmm0
mov ecx, esp
mov eax, dword [ebp - 8]
mov edx, dword [ebp - 0x18]
movss xmm2, dword [ebp - 0x28]
movaps xmm0, xmm1
mulss xmm2, xmm1
mulss xmm0, dword [ebp - 0x24]
xorps xmm0, xmmword [0x100c5790]
inc edx
movss dword [eax + ecx], xmm2
movss dword [eax + ecx + 4], xmm0
mov eax, dword [ebp - 0x2c]
mov dword [ebp - 8], eax
mov dword [ebp - 0x18], edx
cmp edx, esi
jl 0x10039b20
movss xmm1, dword [0x100c4b74]
mov eax, ecx
movss xmm4, dword [ebp - 0x10]
sub eax, edi
movss xmm5, dword [ebp - 0x14]
xor edx, edx
mov esi, dword [ebp - 0xc]
mov dword [ebp - 0x2c], eax
mov eax, dword [ebp - 4]
mov dword [ebp - 8], edx
mov edi, dword [ebp - 0x2c]
movss xmm3, dword [ecx + edx*8]
addss xmm3, dword [ecx + eax*8]
movss xmm2, dword [edi + esi]
addss xmm2, dword [ecx + eax*8 + 4]
mov edi, dword [ebp - 0x30]
mulss xmm3, xmm1
mulss xmm2, xmm1
movaps xmm1, xmm3
movss dword [ebp - 0x28], xmm3
mulss xmm1, xmm3
movaps xmm0, xmm2
movss dword [ebp - 0x24], xmm2
mulss xmm0, xmm2
addss xmm0, xmm1
comiss xmm0, dword [0x100c4ae8]
jbe 0x10039c65
call fcn.100029b0
movss xmm1, dword [0x100c4bc8]
divss xmm1, xmm0
mov edx, dword [ebp - 8]
movss xmm2, dword [0x100c4d20]
movss xmm3, dword [ebp - 0x28]
minss xmm2, xmm1
movss xmm4, dword [ebp - 0x10]
movss xmm5, dword [ebp - 0x14]
movaps xmm0, xmm2
mulss xmm2, dword [ebp - 0x24]
mulss xmm3, xmm0
movss xmm0, dword [esi - 4]
mov eax, dword [edi + 0x34]
movss xmm1, dword [0x100c4b74]
mulss xmm3, xmm1
mov ecx, dword [ebx + 0x10]
mulss xmm2, xmm1
subss xmm0, xmm3
movss dword [eax], xmm0
movss xmm0, dword [esi]
mov eax, dword [edi + 0x34]
subss xmm0, xmm2
movss dword [eax + 4], xmm0
mov eax, dword [edi + 0x34]
movss dword [eax + 8], xmm4
movss dword [eax + 0xc], xmm5
mov eax, dword [edi + 0x34]
mov dword [eax + 0x10], ecx
addss xmm3, dword [esi - 4]
mov eax, dword [edi + 0x34]
mov ecx, dword [ebp - 0x34]
movss dword [eax + 0x14], xmm3
movss xmm0, dword [esi]
mov eax, dword [edi + 0x34]
addss xmm0, xmm2
movss dword [eax + 0x18], xmm0
mov eax, dword [edi + 0x34]
movss dword [eax + 0x1c], xmm4
movss dword [eax + 0x20], xmm5
mov eax, dword [edi + 0x34]
mov dword [eax + 0x24], ecx
mov eax, dword [ebp - 0x1c]
add dword [edi + 0x34], 0x28
movzx ecx, ax
mov eax, dword [edi + 0x38]
lea esi, [ecx + edx*2]
mov word [eax], si
mov eax, dword [ebp - 4]
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 - 4]
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 - 8]
mov word [eax + 8], cx
mov ecx, esp
mov eax, dword [edi + 0x38]
mov word [eax + 0xa], si
mov eax, edx
mov esi, dword [ebp - 0xc]
inc edx
add dword [edi + 0x38], 0xc
add esi, 8
mov dword [ebp - 4], eax
mov dword [ebp - 8], edx
mov dword [ebp - 0xc], esi
cmp edx, dword [ebx + 0xc]
jl 0x10039be2
mov eax, dword [ebp - 0x3c]
movzx eax, ax
add dword [edi + 0x30], eax
lea esp, [ebp - 0x48]
pop edi
pop esi
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0xc
push esi
add esi, 0xfffffffe
lea eax, [esi + esi*2]
push eax
call fcn.10038d50
mov edx, dword [ebx + 8]
movss xmm0, dword [ebp - 0x10]
movss xmm1, dword [ebp - 0x14]
mov esi, dword [ebx + 0xc]
mov ecx, dword [edi + 0x34]
lea edx, [edx + 8]
mov eax, dword [edx - 8]
mov dword [ecx], eax
mov eax, dword [edx - 4]
mov dword [ecx + 4], eax
mov eax, dword [edi + 0x34]
mov ecx, dword [ebx + 0x10]
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 esi, 1
jne 0x10039d84
mov esi, dword [ebx + 0xc]
mov edx, 2
mov dword [ebp - 0x20], edx
nop
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 - 0x20]
inc edx
mov dword [ebp - 0x20], edx
mov word [eax + 4], cx
add dword [edi + 0x38], 6
cmp edx, esi
jl 0x10039dc0
movzx eax, si
add dword [edi + 0x30], eax
lea esp, [ebp - 0x48]
pop edi
pop esi
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0xc