Function at 0x10020b40
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, 0x38
mov eax, dword [0x1017c400]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, ecx
mov ecx, dword [ebx + 0xc]
mov dword [ebp - 0x28], esi
push edi
mov edi, dword [ebx + 8]
cmp ecx, 3
jl 0x10020ea3
test byte [esi + 0x24], 2
mov eax, dword [esi + 0x28]
movss xmm0, dword [eax]
movss dword [ebp - 0x20], xmm0
movss xmm0, dword [eax + 4]
movss dword [ebp - 0x24], xmm0
je 0x10020e0f
mov eax, dword [ebx + 0x10]
and eax, 0xffffff
mov dword [ebp - 0x30], eax
lea eax, [ecx + ecx]
push eax
mov dword [ebp - 0x34], eax
lea eax, [ecx*8 - 6]
add eax, ecx
mov ecx, esi
push eax
call fcn.1001fe90
mov eax, dword [esi + 0x34]
mov edi, dword [ebx + 0xc]
movzx edx, ax
mov dword [ebp - 0x14], eax
lea ecx, [eax + 1]
mov dword [ebp - 8], edx
mov dword [ebp - 0x1c], ecx
mov ecx, 2
mov dword [ebp - 0xc], ecx
nop dword [eax]
mov eax, dword [esi + 0x3c]
mov word [eax], dx
lea edx, [edx + ecx*2]
mov eax, dword [esi + 0x3c]
lea ecx, [edx - 2]
mov word [eax + 2], cx
mov eax, dword [esi + 0x3c]
mov ecx, dword [ebp - 0xc]
inc ecx
mov dword [ebp - 0xc], ecx
mov word [eax + 4], dx
add dword [esi + 0x3c], 6
mov edx, dword [ebp - 8]
cmp ecx, edi
jl 0x10020be0
lea eax, [edi*8]
call fcn.100c00b0
mov ecx, dword [ebx + 0xc]
xor edx, edx
movss xmm4, dword [0x101765c0]
dec ecx
movss xmm5, dword [0x101761b8]
xorps xmm6, xmm6
mov edi, dword [ebx + 8]
mov dword [ebp - 0x10], ecx
shl ecx, 3
nop word [eax + eax]
movss xmm2, dword [edi + edx*8]
lea esi, [edx*8]
movss xmm3, dword [edi + edx*8 + 4]
subss xmm2, dword [ecx + edi]
subss xmm3, dword [ecx + edi + 4]
movaps xmm1, xmm2
movaps xmm0, xmm3
mulss xmm1, xmm2
mulss xmm0, xmm3
addss xmm0, xmm1
comiss xmm0, xmm6
jbe 0x10020c8b
call fcn.10017dd0
movaps xmm1, xmm5
divss xmm1, xmm0
movaps xmm0, xmm1
mulss xmm3, xmm1
mulss xmm2, xmm0
mov eax, esp
xorps xmm2, xmm4
inc edx
movss dword [ecx + eax], xmm3
movss dword [ecx + eax + 4], xmm2
mov ecx, esi
cmp edx, dword [ebx + 0xc]
jl 0x10020c40
mov eax, dword [ebp - 0x14]
lea edx, [edi + 4]
movss xmm6, dword [0x10176144]
xor ecx, ecx
movss xmm7, dword [0x10176174]
movzx eax, ax
mov dword [ebp - 0x14], eax
mov eax, esp
mov esi, eax
mov dword [ebp - 0x18], ecx
sub esi, edi
mov dword [ebp - 8], edx
mov dword [ebp - 0x2c], esi
mov esi, dword [ebp - 0x28]
movss xmm2, dword [eax + ecx*8]
movaps xmm4, xmm5
mov edi, dword [ebp - 0x10]
addss xmm2, dword [eax + edi*8]
mov edi, dword [ebp - 0x2c]
movss xmm3, dword [edi + edx]
movaps xmm1, xmm2
mov edi, dword [ebp - 0x10]
mulss xmm1, xmm2
addss xmm3, dword [eax + edi*8 + 4]
mov eax, dword [esi + 0x38]
mov edi, dword [ebx + 0x10]
movaps xmm0, xmm3
mulss xmm0, xmm3
addss xmm1, xmm0
movss xmm0, dword [edx - 4]
mulss xmm1, xmm6
maxss xmm1, xmm7
divss xmm4, xmm1
movaps xmm1, xmm4
mulss xmm4, xmm3
mulss xmm1, xmm2
movss xmm2, dword [ebp - 0x24]
mulss xmm4, xmm6
mulss xmm1, xmm6
subss xmm0, xmm1
movss dword [eax], xmm0
movss xmm0, dword [edx]
mov eax, dword [esi + 0x38]
subss xmm0, xmm4
movss dword [eax + 4], xmm0
mov eax, dword [esi + 0x38]
movss xmm0, dword [ebp - 0x20]
movss dword [eax + 8], xmm0
movss dword [eax + 0xc], xmm2
mov eax, dword [esi + 0x38]
mov dword [eax + 0x10], edi
addss xmm1, dword [edx - 4]
mov eax, dword [esi + 0x38]
mov edi, dword [ebp - 0x10]
movss dword [eax + 0x14], xmm1
addss xmm4, dword [edx]
mov eax, dword [esi + 0x38]
mov edx, dword [ebp - 0x30]
movss dword [eax + 0x18], xmm4
mov eax, dword [esi + 0x38]
movss dword [eax + 0x1c], xmm0
movss dword [eax + 0x20], xmm2
mov eax, dword [esi + 0x38]
mov dword [eax + 0x24], edx
mov eax, dword [ebp - 0x14]
add dword [esi + 0x38], 0x28
lea edx, [eax + ecx*2]
mov eax, dword [esi + 0x3c]
mov word [eax], dx
mov eax, dword [ebp - 0x14]
lea ecx, [eax + edi*2]
mov eax, dword [esi + 0x3c]
mov word [eax + 2], cx
mov ecx, dword [ebp - 0x1c]
movzx eax, cx
lea ecx, [eax + edi*2]
mov eax, dword [esi + 0x3c]
mov edi, dword [ebp - 0x1c]
mov word [eax + 4], cx
mov eax, dword [esi + 0x3c]
mov word [eax + 6], cx
mov eax, dword [ebp - 0x18]
movzx ecx, di
lea ecx, [ecx + eax*2]
mov eax, dword [esi + 0x3c]
mov word [eax + 8], cx
mov eax, dword [esi + 0x3c]
mov ecx, dword [ebp - 0x18]
mov dword [ebp - 0x10], ecx
inc ecx
mov dword [ebp - 0x18], ecx
mov word [eax + 0xa], dx
mov edx, dword [ebp - 8]
add dword [esi + 0x3c], 0xc
add edx, 8
mov eax, esp
mov dword [ebp - 8], edx
cmp ecx, dword [ebx + 0xc]
jl 0x10020cd3
mov eax, dword [ebp - 0x34]
jmp 0x10020e9d
push ecx
add ecx, 0xfffffffe
lea eax, [ecx + ecx*2]
mov ecx, esi
push eax
call fcn.1001fe90
mov eax, dword [ebx + 0xc]
movss xmm0, dword [ebp - 0x20]
movss xmm1, dword [ebp - 0x24]
mov dword [ebp - 8], eax
nop
mov eax, dword [esi + 0x38]
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 + 0x38]
movss dword [eax + 8], xmm0
movss dword [eax + 0xc], xmm1
mov eax, dword [esi + 0x38]
mov dword [eax + 0x10], ecx
add dword [esi + 0x38], 0x14
sub dword [ebp - 8], 1
jne 0x10020e30
mov edi, 2
mov ecx, dword [esi + 0x3c]
mov ax, word [esi + 0x34]
movzx edx, di
inc edi
mov word [ecx], ax
movzx ecx, word [esi + 0x34]
mov eax, dword [esi + 0x3c]
dec cx
add cx, dx
mov word [eax + 2], cx
mov eax, dword [esi + 0x3c]
movzx ecx, word [esi + 0x34]
add cx, dx
mov word [eax + 4], cx
add dword [esi + 0x3c], 6
mov eax, dword [ebx + 0xc]
cmp edi, eax
jl 0x10020e66
movzx eax, ax
add dword [esi + 0x34], eax
lea esp, [ebp - 0x40]
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.100bf244
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0xc