Function at 0x42e780
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x38
push esi
mov esi, ecx
mov ecx, dword [ebp + 0xc]
mov dword [esp + 0x28], esi
push edi
mov edi, dword [ebp + 8]
cmp ecx, 3
jl 0x42eb9d
mov edx, dword [ebp + 0x10]
test edx, 0xff000000
je 0x42eb9d
test byte [esi + 0x24], 4
mov eax, dword [esi + 0x2c]
movss xmm0, dword [eax]
movss dword [esp + 0x20], xmm0
movss xmm0, dword [eax + 4]
movss dword [esp + 0x24], xmm0
je 0x42eafa
movss xmm0, dword [esi + 0x8c]
mov edi, ecx
and edx, 0xffffff
movss dword [esp + 0x18], xmm0
mov ecx, esi
mov dword [esp + 0x30], edx
lea eax, [edi + edi]
push eax
mov dword [esp + 0x40], eax
lea eax, [edi*8 - 6]
add eax, edi
push eax
call fcn.0042d7a0
mov eax, dword [esi + 0x28]
movzx edx, ax
mov dword [esp + 0x28], eax
mov dword [esp + 0x14], edx
lea ecx, [eax + 1]
mov dword [esp + 0x38], ecx
mov ecx, 2
mov dword [esp + 0x1c], ecx
mov eax, dword [esi + 0x38]
mov word [eax], dx
lea edx, [edx + ecx*2]
mov eax, dword [esi + 0x38]
lea ecx, [edx - 2]
mov word [eax + 2], cx
mov eax, dword [esi + 0x38]
mov ecx, dword [esp + 0x1c]
inc ecx
mov dword [esp + 0x1c], ecx
mov word [eax + 4], dx
add dword [esi + 0x38], 6
mov edx, dword [esp + 0x14]
cmp ecx, edi
jl 0x42e822
mov eax, dword [esi + 0x2c]
mov dword [esp + 0x1c], eax
cmp edi, dword [eax + 0x30]
jle 0x42e8aa
mov ecx, dword [eax + 0x34]
test ecx, ecx
je 0x42e87d
mov eax, dword [0x889efc]
test eax, eax
je 0x42e873
dec dword [eax + 0xb4]
push ecx
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
add esp, 4
mov eax, dword [0x889efc]
test eax, eax
je 0x42e88c
inc dword [eax + 0xb4]
lea eax, [edi*8]
push eax
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov ecx, dword [esp + 0x20]
add esp, 4
mov dword [ecx + 0x34], eax
mov dword [ecx + 0x30], edi
mov eax, dword [esi + 0x2c]
mov edx, dword [eax + 0x34]
lea ecx, [edi - 1]
movss xmm4, dword [0x8022b0]
xorps xmm5, xmm5
mov edi, dword [ebp + 8]
mov eax, dword [ebp + 0xc]
mov dword [esp + 0xc], ecx
shl ecx, 3
xor esi, esi
mov dword [esp + 0x1c], edx
nop
movss xmm2, dword [edi + esi*8]
lea edx, [esi*8]
movss xmm3, dword [edi + esi*8 + 4]
subss xmm2, dword [ecx + edi]
subss xmm3, dword [ecx + edi + 4]
mov dword [esp + 0x14], edx
mov edx, dword [esp + 0x1c]
movaps xmm0, xmm2
movaps xmm1, xmm3
mulss xmm0, xmm2
mulss xmm1, xmm3
addss xmm1, xmm0
comiss xmm1, xmm5
jbe 0x42e91b
rsqrtss xmm1, xmm1
movaps xmm0, xmm1
mulss xmm3, xmm1
mulss xmm2, xmm0
xorps xmm2, xmm4
movss dword [ecx + edx], xmm3
inc esi
movss dword [ecx + edx + 4], xmm2
mov ecx, dword [esp + 0x14]
cmp esi, eax
jl 0x42e8d0
mov ecx, dword [esp + 0x28]
xor eax, eax
movss xmm0, dword [esp + 0x18]
movss xmm4, dword [0x801fb4]
movss xmm5, dword [0x801f70]
movss xmm6, dword [0x801fe8]
movss xmm7, dword [0x802080]
movzx ecx, cx
mov dword [esp + 0x34], ecx
lea ecx, [edi + 4]
mov dword [esp + 0x14], ecx
mov ecx, edx
mulss xmm0, xmm4
sub ecx, edi
mov dword [esp + 0x28], ecx
mov ecx, dword [esp + 0xc]
mov dword [esp + 0x10], eax
movss dword [esp + 0x18], xmm0
nop word [eax + eax]
movss xmm2, dword [edx + eax*8]
mov esi, dword [esp + 0x28]
mov eax, dword [esp + 0x14]
addss xmm2, dword [edx + ecx*8]
movss xmm3, dword [esi + eax]
addss xmm3, dword [edx + ecx*8 + 4]
mov esi, dword [esp + 0x2c]
mulss xmm2, xmm4
mulss xmm3, xmm4
movaps xmm0, xmm2
mulss xmm0, xmm2
movaps xmm1, xmm3
mulss xmm1, xmm3
addss xmm1, xmm0
comiss xmm1, xmm5
jbe 0x42e9e9
movaps xmm0, xmm6
divss xmm0, xmm1
movaps xmm1, xmm7
minss xmm1, xmm0
movaps xmm0, xmm1
mulss xmm3, xmm1
mulss xmm2, xmm0
mov eax, dword [esi + 0x34]
mov edx, dword [esp + 0x14]
movss xmm1, dword [esp + 0x18]
mulss xmm1, xmm2
mov edi, dword [ebp + 0x10]
movss xmm0, dword [edx - 4]
movss xmm2, dword [esp + 0x18]
subss xmm0, xmm1
mulss xmm2, xmm3
add dword [esp + 0x14], 8
movss xmm3, dword [esp + 0x24]
movss dword [eax], xmm0
movss xmm0, dword [edx]
mov eax, dword [esi + 0x34]
subss xmm0, xmm2
movss dword [eax + 4], xmm0
mov eax, dword [esi + 0x34]
movss xmm0, dword [esp + 0x20]
movss dword [eax + 8], xmm0
movss dword [eax + 0xc], xmm3
mov eax, dword [esi + 0x34]
mov dword [eax + 0x10], edi
addss xmm1, dword [edx - 4]
mov eax, dword [esi + 0x34]
mov edi, dword [esp + 0x34]
movss dword [eax + 0x14], xmm1
addss xmm2, dword [edx]
mov eax, dword [esi + 0x34]
lea ecx, [edi + ecx*2]
mov edx, dword [esp + 0x30]
movss dword [eax + 0x18], xmm2
mov eax, dword [esi + 0x34]
movss dword [eax + 0x1c], xmm0
movss dword [eax + 0x20], xmm3
mov eax, dword [esi + 0x34]
mov dword [eax + 0x24], edx
mov eax, dword [esp + 0x10]
add dword [esi + 0x34], 0x28
lea edx, [edi + eax*2]
mov eax, dword [esi + 0x38]
mov word [eax], dx
mov eax, dword [esi + 0x38]
mov word [eax + 2], cx
mov eax, dword [esp + 0x38]
mov ecx, dword [esp + 0xc]
movzx edi, ax
mov eax, dword [esi + 0x38]
lea ecx, [edi + ecx*2]
mov word [eax + 4], cx
mov eax, dword [esi + 0x38]
mov word [eax + 6], cx
mov eax, dword [esp + 0x10]
lea ecx, [edi + eax*2]
mov eax, dword [esi + 0x38]
mov word [eax + 8], cx
mov eax, dword [esi + 0x38]
mov word [eax + 0xa], dx
mov eax, dword [esp + 0x10]
mov ecx, eax
add dword [esi + 0x38], 0xc
inc eax
mov edx, dword [esp + 0x1c]
mov dword [esp + 0xc], ecx
mov dword [esp + 0x10], eax
cmp eax, dword [ebp + 0xc]
jl 0x42e990
mov eax, dword [esp + 0x3c]
movzx eax, ax
add dword [esi + 0x28], eax
pop edi
pop esi
mov esp, ebp
pop ebp
ret 0xc
push ecx
add ecx, 0xfffffffe
lea eax, [ecx + ecx*2]
mov ecx, esi
push eax
call fcn.0042d7a0
mov eax, dword [ebp + 0xc]
movss xmm0, dword [esp + 0x20]
movss xmm1, dword [esp + 0x24]
mov dword [esp + 0x1c], eax
nop dword [eax]
mov eax, dword [esi + 0x34]
lea edi, [edi + 8]
mov ecx, dword [edi - 8]
mov edx, dword [edi - 4]
mov dword [eax], ecx
mov ecx, dword [ebp + 0x10]
mov dword [eax + 4], edx
mov eax, dword [esi + 0x34]
movss dword [eax + 8], xmm0
movss dword [eax + 0xc], xmm1
mov eax, dword [esi + 0x34]
mov dword [eax + 0x10], ecx
add dword [esi + 0x34], 0x14
sub dword [esp + 0x1c], 1
jne 0x42eb20
mov edi, 2
nop word [eax + eax]
mov ecx, dword [esi + 0x38]
mov ax, word [esi + 0x28]
movzx edx, di
inc edi
mov word [ecx], ax
movzx ecx, word [esi + 0x28]
mov eax, dword [esi + 0x38]
dec cx
add cx, dx
mov word [eax + 2], cx
mov eax, dword [esi + 0x38]
movzx ecx, word [esi + 0x28]
add cx, dx
mov word [eax + 4], cx
add dword [esi + 0x38], 6
mov eax, dword [ebp + 0xc]
cmp edi, eax
jl 0x42eb60
movzx eax, ax
add dword [esi + 0x28], eax
pop edi
pop esi
mov esp, ebp
pop ebp
ret 0xc