Function at 0x41d9a0
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 [0x49e00c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebx + 0xc]
push edi
mov edi, ecx
mov dword [ebp - 0x34], edi
cmp esi, 3
jl 0x41dd50
test byte [edi + 0x24], 4
mov eax, dword [edi + 0x2c]
movss xmm0, dword [eax]
movss dword [ebp - 0x28], xmm0
movss xmm0, dword [eax + 4]
movss dword [ebp - 0x18], xmm0
je 0x41dcab
mov eax, dword [ebx + 0x10]
movss xmm0, dword [edi + 0x8c]
and eax, 0xffffff
mov dword [ebp - 0x38], eax
lea eax, [esi + esi]
push eax
mov dword [ebp - 0x40], eax
lea eax, [esi*8 - 6]
add eax, esi
movss dword [ebp - 0x20], xmm0
push eax
call fcn.0041cab0
mov eax, dword [edi + 0x28]
mov edx, 2
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], edx
lea ecx, [eax + 1]
mov dword [ebp - 0x3c], 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 - 0x14]
mov dword [ebp - 0xc], edx
cmp edx, esi
jl 0x41da40
lea eax, [esi*8]
call fcn.0045ac90
movss xmm4, dword [0x4978f8]
lea eax, [esi - 1]
mov edx, dword [ebx + 8]
xor ecx, ecx
mov dword [ebp - 0x10], eax
xorps xmm5, xmm5
shl eax, 3
mov dword [ebp - 0x24], ecx
mov dword [ebp - 8], eax
nop word [eax + eax]
movss xmm0, dword [edx + ecx*8]
lea esi, [edx + 4]
movss xmm2, dword [edx + ecx*8 + 4]
lea edi, [ecx*8]
subss xmm0, dword [eax + edx]
subss xmm2, dword [eax + edx + 4]
mov dword [ebp - 0x1c], esi
movaps xmm1, xmm0
movss dword [ebp - 0x2c], xmm0
movaps xmm3, xmm2
mulss xmm1, xmm0
mulss xmm3, xmm2
movss dword [ebp - 0x30], xmm2
addss xmm3, xmm1
comiss xmm3, xmm5
jbe 0x41db18
movaps xmm0, xmm3
call fcn.00414e80
movss xmm4, dword [0x4978f8]
xorps xmm5, xmm5
movaps xmm1, xmm4
movss xmm2, dword [ebp - 0x30]
divss xmm1, xmm0
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 0x24]
mov edx, dword [ebx + 8]
movaps xmm0, xmm1
mulss xmm2, xmm1
mulss xmm0, dword [ebp - 0x2c]
xorps xmm0, xmmword [0x497ec0]
mov esi, esp
inc ecx
mov dword [ebp - 0x24], ecx
movss dword [esi + eax], xmm2
movss dword [esi + eax + 4], xmm0
mov eax, edi
mov dword [ebp - 8], eax
cmp ecx, dword [ebx + 0xc]
jl 0x41daa0
movss xmm6, dword [ebp - 0x20]
mov eax, esi
movss xmm5, dword [0x4978c8]
sub esi, edx
mov edi, dword [ebp - 0x34]
xor edx, edx
mov ecx, dword [ebp - 0x1c]
mulss xmm6, xmm5
mov dword [ebp - 0x20], esi
mov dword [ebp - 8], edx
movss xmm2, dword [eax + edx*8]
movss xmm3, dword [esi + ecx]
mov edx, dword [ebp - 0x10]
mov esi, edx
addss xmm2, dword [eax + edx*8]
addss xmm3, dword [eax + esi*8 + 4]
mov eax, dword [edi + 0x34]
mov edx, dword [ebx + 0x10]
mulss xmm2, xmm5
mulss xmm3, xmm5
movaps xmm0, xmm2
mulss xmm0, xmm2
movaps xmm1, xmm3
mulss xmm1, xmm3
addss xmm1, xmm0
movaps xmm0, xmm5
maxss xmm0, xmm1
divss xmm4, xmm0
movss xmm0, dword [ecx - 4]
movaps xmm1, xmm4
mulss xmm4, xmm3
mulss xmm1, xmm2
movss xmm2, dword [ebp - 0x18]
mulss xmm4, xmm6
mulss xmm1, xmm6
subss xmm0, xmm1
movss dword [eax], xmm0
movss xmm0, dword [ecx]
mov eax, dword [edi + 0x34]
subss xmm0, xmm4
movss dword [eax + 4], xmm0
mov eax, dword [edi + 0x34]
movss xmm0, dword [ebp - 0x28]
movss dword [eax + 8], xmm0
movss dword [eax + 0xc], xmm2
mov eax, dword [edi + 0x34]
mov dword [eax + 0x10], edx
addss xmm1, dword [ecx - 4]
mov eax, dword [edi + 0x34]
mov edx, dword [ebp - 8]
movss dword [eax + 0x14], xmm1
addss xmm4, dword [ecx]
mov eax, dword [edi + 0x34]
mov ecx, dword [ebp - 0x38]
movss dword [eax + 0x18], xmm4
mov eax, dword [edi + 0x34]
movss dword [eax + 0x1c], xmm0
movss dword [eax + 0x20], xmm2
mov eax, dword [edi + 0x34]
mov dword [eax + 0x24], ecx
mov eax, dword [ebp - 0x14]
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 - 0x10]
lea ecx, [ecx + eax*2]
mov eax, dword [edi + 0x38]
mov word [eax + 2], cx
mov eax, dword [ebp - 0x3c]
movzx edx, ax
mov eax, dword [ebp - 0x10]
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 dword [ebp - 0x10], edx
inc edx
mov dword [ebp - 8], edx
mov word [eax + 8], cx
mov eax, dword [edi + 0x38]
mov ecx, dword [ebp - 0x1c]
mov word [eax + 0xa], si
add dword [edi + 0x38], 0xc
add ecx, 8
mov eax, esp
movss xmm4, dword [0x4978f8]
mov esi, dword [ebp - 0x20]
mov dword [ebp - 0x1c], ecx
cmp edx, dword [ebx + 0xc]
jl 0x41db61
mov eax, dword [ebp - 0x40]
movzx eax, ax
jmp 0x41dd4d
lea eax, [esi - 2]
push esi
lea eax, [eax + eax*2]
push eax
call fcn.0041cab0
movss xmm0, dword [ebp - 0x28]
movss xmm1, dword [ebp - 0x18]
mov dword [ebp - 0x14], esi
mov esi, dword [ebx + 8]
nop dword [eax + eax]
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 - 0x14], 1
jne 0x41dcd0
mov esi, dword [ebx + 0xc]
mov edx, 2
mov dword [ebp - 0x18], edx
nop dword [eax]
mov ecx, dword [edi + 0x38]
mov ax, word [edi + 0x28]
movzx edx, dx
mov word [ecx], ax
movzx ecx, word [edi + 0x28]
mov eax, dword [edi + 0x38]
dec cx
add cx, dx
mov word [eax + 2], cx
movzx ecx, word [edi + 0x28]
mov eax, dword [edi + 0x38]
add cx, dx
mov edx, dword [ebp - 0x18]
inc edx
mov dword [ebp - 0x18], edx
mov word [eax + 4], cx
add dword [edi + 0x38], 6
cmp edx, esi
jl 0x41dd10
movzx eax, si
add dword [edi + 0x28], eax
lea esp, [ebp - 0x48]
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004598cb
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0xc