Function at 0x4316d0
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 [0x517748]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
push edi
mov edi, dword [ebx + 0xc]
mov esi, ecx
mov dword [ebp - 0x2c], esi
cmp edi, 3
jl 0x431aa4
test byte [esi + 0x24], 4
mov eax, dword [esi + 0x2c]
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 0x14], ecx
mov ecx, esi
mov dword [ebp - 0x18], eax
je 0x431a0e
mov eax, dword [ebx + 0x10]
movss xmm0, dword [esi + 0x8c]
and eax, 0xffffff
mov dword [ebp - 0x34], eax
lea eax, [edi + edi]
push eax
mov dword [ebp - 0x24], eax
lea eax, [edi*8 - 6]
add eax, edi
movss dword [ebp - 0x20], xmm0
push eax
call fcn.00430590
mov edx, dword [esi + 0x28]
mov ecx, 2
mov dword [ebp - 0xc], edx
mov dword [ebp - 8], ecx
cmp edi, ecx
jle 0x43179a
jmp 0x431765
mov edx, dword [ebp - 0xc]
mov eax, dword [esi + 0x38]
mov word [eax], dx
mov eax, dword [esi + 0x38]
movzx edx, cx
mov ecx, dword [ebp - 0xc]
add ecx, 0xfffffffe
lea ecx, [ecx + edx*2]
mov word [eax + 2], cx
mov eax, dword [ebp - 0xc]
lea ecx, [eax + edx*2]
mov eax, dword [esi + 0x38]
mov word [eax + 4], cx
mov ecx, dword [ebp - 8]
add dword [esi + 0x38], 6
inc ecx
mov dword [ebp - 8], ecx
cmp ecx, edi
jl 0x431762
lea eax, [edi*8]
call fcn.004d5930
xor edx, edx
lea eax, [edi - 1]
mov dword [ebp - 0x1c], eax
mov ecx, esp
mov dword [ebp - 0x28], edx
test edi, edi
jle 0x431876
mov esi, dword [ebx + 8]
xorps xmm4, xmm4
shl eax, 3
mov dword [ebp - 8], eax
jmp 0x4317d0
movss xmm2, dword [esi + edx*8]
lea edi, [edx*8]
subss xmm2, dword [eax + esi]
movss xmm1, dword [esi + edx*8 + 4]
subss xmm1, dword [eax + esi + 4]
mov dword [ebp - 0x38], edi
mov edi, dword [ebx + 0xc]
movaps xmm0, xmm2
movss dword [ebp - 0x3c], xmm2
mulss xmm0, xmm2
movaps xmm3, xmm1
movss dword [ebp - 0x30], xmm1
mulss xmm3, xmm1
addss xmm3, xmm0
comiss xmm3, xmm4
jbe 0x43184c
xorps xmm0, xmm0
cvtss2sd xmm0, xmm3
call fcn.004f3990
movss xmm1, dword [0x50c584]
xorps xmm4, xmm4
cvtsd2ss xmm0, xmm0
mov ecx, esp
mov eax, dword [ebp - 8]
mov edx, dword [ebp - 0x28]
movss xmm2, dword [ebp - 0x3c]
divss xmm1, xmm0
movaps xmm0, xmm1
mulss xmm1, dword [ebp - 0x30]
mulss xmm2, xmm0
xorps xmm2, xmmword [0x50cb00]
inc edx
movss dword [eax + ecx], xmm1
movss dword [eax + ecx + 4], xmm2
mov eax, dword [ebp - 0x38]
mov dword [ebp - 8], eax
mov dword [ebp - 0x28], edx
cmp edx, edi
jl 0x4317d0
mov esi, dword [ebp - 0x2c]
lea eax, [edi - 1]
xor edx, edx
mov dword [ebp - 8], edx
test edi, edi
jle 0x431a03
movss xmm0, dword [ebp - 0x20]
movss xmm6, dword [0x50c54c]
movss xmm7, dword [0x50c4f8]
movss xmm5, dword [0x50c6bc]
mulss xmm0, xmm6
movss dword [ebp - 0x20], xmm0
lea esp, [esp]
movss xmm2, dword [ecx + edx*8]
movss xmm3, dword [ecx + edx*8 + 4]
addss xmm2, dword [ecx + eax*8]
addss xmm3, dword [ecx + eax*8 + 4]
mulss xmm2, xmm6
mulss xmm3, xmm6
movaps xmm0, xmm2
mulss xmm0, xmm2
movaps xmm4, xmm3
mulss xmm4, xmm3
addss xmm4, xmm0
comiss xmm4, xmm7
jbe 0x43190a
movss xmm1, dword [0x50c584]
divss xmm1, xmm4
comiss xmm1, xmm5
jbe 0x4318f9
movaps xmm1, xmm5
movaps xmm0, xmm1
mulss xmm1, xmm3
mulss xmm0, xmm2
movaps xmm3, xmm1
movaps xmm2, xmm0
mov eax, dword [esi + 0x34]
movss xmm0, dword [ebp - 0x20]
mov ecx, dword [ebx + 8]
movaps xmm1, xmm0
mov edi, dword [ebp - 0x14]
mulss xmm1, xmm2
movaps xmm2, xmm0
movss xmm0, dword [ecx + edx*8]
mulss xmm2, xmm3
subss xmm0, xmm1
movss dword [eax], xmm0
movss xmm0, dword [ecx + edx*8 + 4]
mov eax, dword [esi + 0x34]
subss xmm0, xmm2
movss dword [eax + 4], xmm0
mov eax, dword [esi + 0x34]
mov dword [eax + 8], edi
mov edi, dword [ebp - 0x18]
mov dword [eax + 0xc], edi
mov eax, dword [esi + 0x34]
mov edi, dword [ebx + 0x10]
mov dword [eax + 0x10], edi
movss xmm0, dword [ecx + edx*8]
mov eax, dword [esi + 0x34]
addss xmm0, xmm1
mov edi, dword [ebp - 0x18]
movss dword [eax + 0x14], xmm0
movss xmm0, dword [ecx + edx*8 + 4]
mov eax, dword [esi + 0x34]
addss xmm0, xmm2
mov ecx, dword [ebp - 0x14]
movss dword [eax + 0x18], xmm0
mov eax, dword [esi + 0x34]
mov dword [eax + 0x1c], ecx
mov ecx, dword [ebp - 0x34]
mov dword [eax + 0x20], edi
mov eax, dword [esi + 0x34]
mov dword [eax + 0x24], ecx
mov eax, dword [esi + 0x38]
mov ecx, dword [ebp - 0xc]
add dword [esi + 0x34], 0x28
lea edx, [ecx + edx*2]
mov word [eax], dx
mov eax, dword [ebp - 0x1c]
lea ecx, [ecx + eax*2]
mov eax, dword [esi + 0x38]
mov word [eax + 2], cx
mov ecx, dword [ebp - 0x1c]
mov eax, dword [esi + 0x38]
lea ecx, [ecx*2 + 1]
add ecx, dword [ebp - 0xc]
mov word [eax + 4], cx
mov eax, dword [esi + 0x38]
mov word [eax + 6], cx
mov ecx, dword [ebp - 8]
mov eax, dword [esi + 0x38]
lea ecx, [ecx*2 + 1]
add ecx, dword [ebp - 0xc]
mov word [eax + 8], cx
mov ecx, esp
mov eax, dword [esi + 0x38]
mov word [eax + 0xa], dx
mov edx, dword [ebp - 8]
mov eax, edx
add dword [esi + 0x38], 0xc
inc edx
mov dword [ebp - 0x1c], eax
mov dword [ebp - 8], edx
cmp edx, dword [ebx + 0xc]
jl 0x4318b0
mov eax, dword [ebp - 0x24]
movzx eax, ax
jmp 0x431aa1
lea eax, [edi - 2]
push edi
lea eax, [eax + eax*2]
push eax
call fcn.00430590
test edi, edi
jle 0x431a58
mov edx, dword [ebx + 8]
mov edi, dword [ebx + 0xc]
mov ecx, dword [esi + 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 [esi + 0x34]
mov ecx, dword [ebp - 0x14]
mov dword [eax + 8], ecx
mov ecx, dword [ebp - 0x18]
mov dword [eax + 0xc], ecx
mov eax, dword [esi + 0x34]
mov ecx, dword [ebx + 0x10]
mov dword [eax + 0x10], ecx
add dword [esi + 0x34], 0x14
dec edi
jne 0x431a25
mov edi, dword [ebx + 0xc]
mov edx, 2
mov dword [ebp - 0x10], edx
cmp edi, edx
jle 0x431a9e
mov ecx, dword [esi + 0x38]
mov ax, word [esi + 0x28]
movzx edx, dx
mov word [ecx], ax
movzx ecx, word [esi + 0x28]
mov eax, dword [esi + 0x38]
dec cx
add cx, dx
mov word [eax + 2], cx
movzx ecx, word [esi + 0x28]
mov eax, dword [esi + 0x38]
add cx, dx
mov edx, dword [ebp - 0x10]
inc edx
mov dword [ebp - 0x10], edx
mov word [eax + 4], cx
add dword [esi + 0x38], 6
cmp edx, edi
jl 0x431a64
movzx eax, di
add dword [esi + 0x28], eax
lea esp, [ebp - 0x48]
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004c0564
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0xc