Function at 0x100217c0
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
push esi
push edi
mov edi, dword [ebx + 0xc]
mov esi, ecx
mov dword [ebp - 0x30], esi
cmp edi, 3
jl 0x10021ba1
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 0x10021b03
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 - 0x38], eax
lea eax, [edi*8 - 6]
add eax, edi
movss dword [ebp - 8], xmm0
push eax
call fcn.10020680
mov edx, dword [esi + 0x28]
mov ecx, 2
mov dword [ebp - 4], edx
mov dword [ebp - 0x10], ecx
cmp edi, ecx
jle 0x10021888
jmp 0x10021853
mov edx, dword [ebp - 4]
mov eax, dword [esi + 0x38]
mov word [eax], dx
mov eax, dword [esi + 0x38]
movzx edx, cx
mov ecx, dword [ebp - 4]
add ecx, 0xfffffffe
lea ecx, [ecx + edx*2]
mov word [eax + 2], cx
mov eax, dword [ebp - 4]
lea ecx, [eax + edx*2]
mov eax, dword [esi + 0x38]
mov word [eax + 4], cx
mov ecx, dword [ebp - 0x10]
add dword [esi + 0x38], 6
inc ecx
mov dword [ebp - 0x10], ecx
cmp ecx, edi
jl 0x10021850
lea eax, [edi*8]
call fcn.1008e760
xor edx, edx
lea eax, [edi - 1]
mov dword [ebp - 0xc], eax
mov ecx, esp
mov dword [ebp - 0x1c], edx
test edi, edi
jle 0x1002195e
mov esi, dword [ebx + 8]
xorps xmm4, xmm4
shl eax, 3
mov dword [ebp - 0x10], eax
nop word [eax + eax]
movss xmm0, dword [esi + edx*8]
lea edi, [edx*8]
movss xmm2, dword [esi + edx*8 + 4]
subss xmm0, dword [eax + esi]
subss xmm2, dword [eax + esi + 4]
mov dword [ebp - 0x2c], edi
mov edi, 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 0x10021934
movaps xmm0, xmm3
call fcn.10005240
movss xmm1, dword [0x100ad068]
xorps xmm4, xmm4
divss xmm1, xmm0
mov ecx, esp
mov eax, dword [ebp - 0x10]
mov edx, dword [ebp - 0x1c]
movss xmm2, dword [ebp - 0x28]
movaps xmm0, xmm1
mulss xmm2, xmm1
mulss xmm0, dword [ebp - 0x24]
xorps xmm0, xmmword [0x100ad740]
inc edx
movss dword [eax + ecx], xmm2
movss dword [eax + ecx + 4], xmm0
mov eax, dword [ebp - 0x2c]
mov dword [ebp - 0x10], eax
mov dword [ebp - 0x1c], edx
cmp edx, edi
jl 0x100218c0
mov esi, dword [ebp - 0x30]
lea eax, [edi - 1]
xor edx, edx
mov dword [ebp - 0x10], edx
test edi, edi
jle 0x10021aec
movss xmm0, dword [ebp - 8]
movss xmm6, dword [0x100ad034]
movss xmm7, dword [0x100acff8]
movss xmm5, dword [0x100ad104]
mulss xmm0, xmm6
movss dword [ebp - 8], xmm0
nop dword [eax]
nop word [eax + eax]
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 0x100219f4
movss xmm1, dword [0x100ad068]
divss xmm1, xmm4
comiss xmm1, xmm5
jbe 0x100219e9
movaps xmm1, xmm5
movaps xmm0, xmm1
mulss xmm3, xmm1
mulss xmm2, xmm0
mov eax, dword [esi + 0x34]
mov ecx, dword [ebx + 8]
movss xmm1, dword [ebp - 8]
mov edi, dword [ebp - 0x14]
mulss xmm1, xmm2
movss xmm0, dword [ecx + edx*8]
movss xmm2, dword [ebp - 8]
subss xmm0, xmm1
mulss xmm2, xmm3
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 - 4]
add dword [esi + 0x34], 0x28
lea edx, [ecx + edx*2]
mov word [eax], dx
mov eax, dword [ebp - 0xc]
lea ecx, [ecx + eax*2]
mov eax, dword [esi + 0x38]
mov word [eax + 2], cx
mov ecx, dword [ebp - 0xc]
mov eax, dword [esi + 0x38]
lea ecx, [ecx*2 + 1]
add ecx, dword [ebp - 4]
mov word [eax + 4], cx
mov eax, dword [esi + 0x38]
mov word [eax + 6], cx
mov ecx, dword [ebp - 0x10]
mov eax, dword [esi + 0x38]
lea ecx, [ecx*2 + 1]
add ecx, dword [ebp - 4]
mov word [eax + 8], cx
mov ecx, esp
mov eax, dword [esi + 0x38]
mov word [eax + 0xa], dx
mov edx, dword [ebp - 0x10]
mov eax, edx
add dword [esi + 0x38], 0xc
inc edx
mov dword [ebp - 0xc], eax
mov dword [ebp - 0x10], edx
cmp edx, dword [ebx + 0xc]
jl 0x100219a0
mov eax, dword [ebp - 0x38]
movzx eax, ax
add dword [esi + 0x28], eax
lea esp, [ebp - 0x40]
pop edi
pop esi
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0xc
lea eax, [edi - 2]
push edi
lea eax, [eax + eax*2]
push eax
call fcn.10020680
test edi, edi
jle 0x10021b55
mov edx, dword [ebx + 8]
mov edi, dword [ebx + 0xc]
nop word [eax + eax]
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
sub edi, 1
jne 0x10021b20
mov edi, dword [ebx + 0xc]
mov edx, 2
mov dword [ebp - 0x20], edx
cmp edi, edx
jle 0x10021b9b
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 - 0x20]
inc edx
mov dword [ebp - 0x20], edx
mov word [eax + 4], cx
add dword [esi + 0x38], 6
cmp edx, edi
jl 0x10021b61
movzx eax, di
add dword [esi + 0x28], eax
lea esp, [ebp - 0x40]
pop edi
pop esi
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0xc