Function at 0x41c490
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
push esi
mov esi, ecx
mov dword [ebp - 0x24], 1
xorps xmm2, xmm2
mov dword [ebp - 4], esi
mov eax, edx
movss dword [ebp - 0x1c], xmm2
push edi
mov ecx, dword [esi + 0x1c]
mov dword [ebp - 0x44], ecx
mov ecx, dword [esi + 0x20]
mov dword [ebp - 0x48], ecx
mov ecx, dword [ebp + 8]
mov dword [ebp - 8], eax
movss xmm1, dword [ecx]
comiss xmm1, xmm2
jbe 0x41c518
mov edi, dword [eax + 4]
mov edx, dword [eax + 0x1c]
mov eax, 0x100
cwde
movzx ecx, byte [edx + edi + 6]
movsx ecx, cx
imul ecx, eax
movzx eax, byte [edx + edi + 7]
movzx edx, byte [edx + edi + 5]
add cx, ax
movsx esi, cx
mov ecx, dword [ebp - 8]
mov eax, dword [ecx + 0x1c]
movzx ecx, byte [eax + edi + 4]
mov eax, 0x100
cwde
movsx ecx, cx
imul ecx, eax
add dx, cx
movsx eax, dx
sub eax, esi
mov esi, dword [ebp - 4]
movd xmm0, eax
jmp 0x41c538
mov edx, dword [eax + 0x14]
mov eax, dword [eax + 4]
xorps xmm1, xmmword [0x42fdd0]
movzx ecx, byte [edx + eax + 0x12]
movzx eax, byte [edx + eax + 0x13]
shl ecx, 8
add ecx, eax
movd xmm0, ecx
mov edx, dword [ebp + 8]
cvtdq2ps xmm0, xmm0
movzx edi, byte [edx + 0x14]
mov eax, edi
mov dword [esi + 0x1c], edi
movss xmm4, dword [0x42f9c4]
movzx ecx, byte [edx + 0x15]
movaps xmm3, xmm4
divss xmm1, xmm0
shr eax, 0x1f
mov dword [esi + 0x20], ecx
movd xmm0, edi
cvtdq2pd xmm0, xmm0
movss dword [ebp - 0x10], xmm1
addsd xmm0, qword [eax*8 + 0x42fdb0]
mov eax, ecx
shr eax, 0x1f
cvtpd2ps xmm0, xmm0
divss xmm3, xmm0
movd xmm0, ecx
movss dword [ebp - 0x38], xmm3
cvtdq2pd xmm0, xmm0
addsd xmm0, qword [eax*8 + 0x42fdb0]
mov eax, 1
cvtpd2ps xmm0, xmm0
divss xmm4, xmm0
movss dword [ebp - 0x40], xmm4
test edi, edi
je 0x41c5cc
movd xmm0, edi
sub eax, edi
cvtdq2ps xmm0, xmm0
movd xmm2, eax
mov eax, 1
cvtdq2ps xmm2, xmm2
addss xmm0, xmm0
divss xmm2, xmm0
movss dword [ebp - 0x18], xmm2
test ecx, ecx
je 0x41c5f2
movd xmm0, ecx
sub eax, ecx
cvtdq2ps xmm0, xmm0
movd xmm2, eax
cvtdq2ps xmm2, xmm2
addss xmm0, xmm0
divss xmm2, xmm0
movss dword [ebp - 0x1c], xmm2
xor ecx, ecx
mov dword [ebp - 0x20], ecx
cmp dword [edx + 0xc], ecx
jle 0x41c923
mov edi, dword [ebp + 0x10]
mov dword [ebp - 0x14], ecx
add edi, 8
nop dword [eax]
cmp dword [edi + 4], 0
je 0x41c908
movzx eax, word [edi - 4]
mov dword [ebp - 0x28], eax
test ax, ax
je 0x41c908
movzx eax, word [edi - 2]
mov dword [ebp - 0x2c], eax
test ax, ax
je 0x41c908
mov eax, dword [edx + 0x10]
add eax, dword [ebp - 0x14]
mov dword [ebp - 0x30], eax
mov eax, dword [edx + 8]
test eax, eax
jne 0x41c651
mov edx, dword [edx + 4]
add edx, ecx
jmp 0x41c654
mov edx, dword [eax + ecx*4]
mov ecx, dword [ebp - 8]
call fcn.00416bd0
movzx ecx, word [esi + 0x14]
add word [edi], cx
add word [edi + 2], cx
mov edx, dword [ebp - 8]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x28]
sub eax, ecx
mov word [edi - 4], ax
mov eax, dword [ebp - 0x2c]
sub eax, ecx
mov word [edi - 2], ax
mov eax, dword [edx + 0x1c]
mov ecx, dword [edx + 4]
mov esi, dword [edx + 4]
movzx ecx, byte [eax + ecx + 0x23]
movzx eax, byte [eax + esi + 0x22]
mov esi, dword [ebp - 4]
shl eax, 8
add eax, ecx
mov ecx, dword [ebp - 0xc]
mov dword [ebp - 0x28], eax
cmp ecx, eax
mov eax, dword [edx + 4]
jge 0x41c6c5
lea edx, [eax + ecx*4]
mov eax, dword [ebp - 8]
add edx, dword [eax + 0x20]
mov eax, 0x100
cwde
movzx ecx, byte [edx]
movsx ecx, cx
imul ecx, eax
movzx eax, byte [edx + 1]
jmp 0x41c6e7
mov ecx, dword [ebp - 0x28]
mov edx, dword [edx + 0x20]
lea esi, [eax + ecx*4]
mov eax, 0x100
movzx ecx, byte [esi + edx - 4]
cwde
movsx ecx, cx
imul ecx, eax
movzx eax, byte [esi + edx - 3]
mov esi, dword [ebp - 4]
add cx, ax
mov edx, dword [ebp - 0xc]
movzx eax, cx
cwde
mov dword [ebp - 0x2c], eax
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 0x4c]
mov ecx, dword [ebp - 8]
push eax
lea eax, [ebp - 0x3c]
push eax
lea eax, [ebp - 0x34]
push eax
mov eax, dword [esi + 0x20]
sub esp, 8
movd xmm0, eax
cvtdq2pd xmm0, xmm0
shr eax, 0x1f
mov dword [esp + 4], 0
mov dword [esp], 0
addsd xmm0, qword [eax*8 + 0x42fdb0]
mov eax, dword [esi + 0x1c]
cvtpd2ps xmm3, xmm0
movd xmm0, eax
cvtdq2pd xmm0, xmm0
shr eax, 0x1f
mulss xmm3, xmm1
addsd xmm0, qword [eax*8 + 0x42fdb0]
cvtpd2ps xmm2, xmm0
mulss xmm2, xmm1
call fcn.00419120
mov ecx, dword [esi + 0x20]
add esp, 0x18
mov edx, dword [esi + 0x1c]
mov eax, ecx
shr eax, 0x1f
mov esi, dword [esi + 0x10]
push dword [ebp - 0xc]
movd xmm0, ecx
cvtdq2pd xmm0, xmm0
sub esp, 0x10
mov dword [esp + 0xc], 0
mov dword [esp + 8], 0
addsd xmm0, qword [eax*8 + 0x42fdb0]
mov eax, edx
shr eax, 0x1f
cvtpd2ps xmm0, xmm0
mulss xmm0, dword [ebp - 0x10]
movss dword [esp + 4], xmm0
movd xmm0, edx
cvtdq2pd xmm0, xmm0
addsd xmm0, qword [eax*8 + 0x42fdb0]
movzx eax, word [edi - 2]
sub eax, ecx
mov ecx, dword [ebp - 8]
inc eax
cvtpd2ps xmm0, xmm0
mulss xmm0, dword [ebp - 0x10]
movss dword [esp], xmm0
push esi
push eax
movzx eax, word [edi - 4]
sub eax, edx
movzx edx, word [edi + 2]
imul edx, esi
inc eax
mov esi, dword [ebp - 4]
push eax
movzx eax, word [edi]
add edx, eax
add edx, dword [esi + 0x24]
call fcn.0041bde0
mov eax, dword [esi + 0x1c]
add esp, 0x20
cmp eax, 1
jbe 0x41c825
mov esi, dword [esi + 0x10]
movzx ecx, word [edi + 2]
movzx edx, word [edi - 4]
push eax
movzx eax, word [edi - 2]
imul ecx, esi
push esi
mov esi, dword [ebp - 4]
push eax
movzx eax, word [edi]
add ecx, eax
add ecx, dword [esi + 0x24]
call fcn.0041c000
add esp, 0xc
mov eax, dword [esi + 0x20]
cmp eax, 1
jbe 0x41c855
mov esi, dword [esi + 0x10]
movzx ecx, word [edi + 2]
movzx edx, word [edi - 4]
push eax
movzx eax, word [edi - 2]
imul ecx, esi
push esi
push eax
movzx eax, word [edi]
add ecx, eax
mov eax, dword [ebp - 4]
add ecx, dword [eax + 0x24]
call fcn.0041c250
add esp, 0xc
mov esi, dword [ebp - 0x30]
movzx eax, word [edi]
movd xmm0, dword [ebp - 0x2c]
movss xmm1, dword [ebp - 0x10]
mov ecx, dword [ebp - 0x34]
cvtdq2ps xmm0, xmm0
mov word [esi], ax
movzx eax, word [edi + 2]
mov word [esi + 2], ax
movzx eax, word [edi]
add ax, word [edi - 4]
mulss xmm0, xmm1
mov edx, dword [ebp - 0x3c]
mov word [esi + 4], ax
movzx eax, word [edi + 2]
add ax, word [edi - 2]
movss dword [esi + 0x10], xmm0
movd xmm0, ecx
cvtdq2ps xmm0, xmm0
mov word [esi + 6], ax
mulss xmm0, dword [ebp - 0x38]
addss xmm0, dword [ebp - 0x18]
movss dword [esi + 8], xmm0
movd xmm0, edx
cvtdq2ps xmm0, xmm0
mulss xmm0, dword [ebp - 0x40]
addss xmm0, dword [ebp - 0x1c]
movss dword [esi + 0xc], xmm0
movzx eax, word [edi - 4]
add eax, ecx
mov ecx, dword [ebp - 0x20]
movd xmm0, eax
cvtdq2ps xmm0, xmm0
mulss xmm0, dword [ebp - 0x38]
addss xmm0, dword [ebp - 0x18]
movss dword [esi + 0x14], xmm0
movzx eax, word [edi - 2]
add eax, edx
mov edx, dword [ebp + 8]
movd xmm0, eax
cvtdq2ps xmm0, xmm0
mulss xmm0, dword [ebp - 0x40]
addss xmm0, dword [ebp - 0x1c]
movss dword [esi + 0x18], xmm0
mov esi, dword [ebp - 4]
jmp 0x41c90f
mov dword [ebp - 0x24], 0
add dword [ebp - 0x14], 0x1c
inc ecx
add edi, 0x10
mov dword [ebp - 0x20], ecx
cmp ecx, dword [edx + 0xc]
jl 0x41c610
mov eax, dword [ebp - 0x44]
mov dword [esi + 0x1c], eax
mov eax, dword [ebp - 0x48]
mov dword [esi + 0x20], eax
mov eax, dword [ebp - 0x24]
pop edi
pop esi
mov esp, ebp
pop ebp
ret