Function at 0x4246e0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
push ebx
mov ebx, dword [ebp + 0x10]
mov eax, ecx
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
cmp edi, edx
je 0x424a75
test edi, edi
js 0x424a56
test esi, esi
js 0x424a56
je 0x424725
xor edx, edx
mov eax, DirectSoundCreate
div esi
cmp edi, eax
jg 0x424a56
mov ecx, edi
imul ecx, esi
mov dword [ebp - 0x18], ecx
test ecx, ecx
js 0x424a56
test ebx, ebx
js 0x424a56
je 0x424750
xor edx, edx
mov eax, DirectSoundCreate
div ebx
cmp ecx, eax
jg 0x424a56
mov eax, ecx
imul eax, ebx
push eax
call fcn.00466b42
add esp, 4
mov dword [ebp - 0x14], eax
test eax, eax
je 0x424a56
mov dword [ebp + 8], 0
test ebx, ebx
jle 0x424a13
mov edx, dword [ebp - 8]
lea ebx, [esi - 1]
mov dword [ebp - 0x10], eax
lea ecx, [edx*8 - 0xa]
add ecx, edi
imul edx, esi
mov esi, dword [ebp - 4]
mov dword [ebp - 0x1c], ecx
mov dword [ebp - 0xc], esi
mov dword [ebp - 8], edx
nop dword [eax]
cmp ecx, 0x19
ja case.0x4247b0.3
movzx ecx, byte [ecx + 0x424ab0]
jmp dword [ecx*4 + 0x424a7c]
mov edx, ebx
test edx, edx
js 0x4249ee
sub edx, 1
mov cl, byte [esi]
mov byte [eax], cl
lea esi, [esi + 1]
mov byte [eax + 1], 0xff
lea eax, [eax + 2]
jns 0x4247c1
jmp 0x4249ee
mov edx, ebx
test edx, edx
js 0x4249ee
sub edx, 1
mov cl, byte [esi]
mov byte [eax + 2], cl
lea esi, [esi + 1]
mov byte [eax + 1], cl
lea eax, [eax + 3]
mov byte [eax - 3], cl
jns 0x4247e3
jmp 0x4249ee
mov edx, ebx
test edx, edx
js 0x4249ee
sub edx, 1
mov cl, byte [esi]
mov byte [eax + 2], cl
lea esi, [esi + 1]
mov byte [eax + 1], cl
lea eax, [eax + 4]
mov byte [eax - 4], cl
mov byte [eax - 1], 0xff
jns 0x424808
jmp 0x4249ee
mov edx, ebx
test edx, edx
js 0x4249ee
sub edx, 1
mov cl, byte [esi]
mov byte [eax], cl
lea esi, [esi + 2]
lea eax, [eax + 1]
jns 0x424831
jmp 0x4249ee
mov edx, ebx
test edx, edx
js 0x4249ee
nop
sub edx, 1
mov cl, byte [esi]
mov byte [eax + 2], cl
lea esi, [esi + 2]
mov byte [eax + 1], cl
lea eax, [eax + 3]
mov byte [eax - 3], cl
jns 0x424850
jmp 0x4249ee
mov edx, ebx
test edx, edx
js 0x4249ee
sub edx, 1
mov cl, byte [esi]
mov byte [eax + 2], cl
lea esi, [esi + 2]
mov byte [eax + 1], cl
lea eax, [eax + 4]
mov byte [eax - 4], cl
movzx ecx, byte [esi - 1]
mov byte [eax - 1], cl
jns 0x424875
jmp 0x4249ee
mov edx, ebx
test edx, edx
js 0x4249ee
sub edx, 1
movzx ecx, byte [esi]
mov byte [eax], cl
lea esi, [esi + 3]
movzx ecx, byte [esi - 2]
lea eax, [eax + 4]
mov byte [eax - 3], cl
movzx ecx, byte [esi - 1]
mov byte [eax - 2], cl
mov byte [eax - 1], 0xff
jns 0x4248a1
jmp 0x4249ee
mov edi, ebx
test edi, edi
js 0x4249ee
movzx ecx, byte [esi + 1]
lea esi, [esi + 3]
imul edx, ecx, 0x96
lea eax, [eax + 1]
movzx ecx, byte [esi - 1]
imul ecx, ecx, 0x1d
add edx, ecx
movzx ecx, byte [esi - 3]
imul ecx, ecx, 0x4d
add edx, ecx
shr edx, 8
sub edi, 1
mov byte [eax - 1], dl
jns 0x4248d2
jmp 0x4249ee
mov edi, ebx
test edi, edi
js 0x4249ee
nop
movzx ecx, byte [esi + 1]
lea esi, [esi + 3]
imul edx, ecx, 0x96
lea eax, [eax + 2]
movzx ecx, byte [esi - 1]
imul ecx, ecx, 0x1d
add edx, ecx
movzx ecx, byte [esi - 3]
imul ecx, ecx, 0x4d
mov byte [eax - 1], 0xff
add edx, ecx
shr edx, 8
sub edi, 1
mov byte [eax - 2], dl
jns 0x424910
jmp 0x4249ee
mov edi, ebx
test edi, edi
js 0x4249ee
movzx ecx, byte [esi + 1]
lea esi, [esi + 4]
imul edx, ecx, 0x96
lea eax, [eax + 1]
movzx ecx, byte [esi - 2]
imul ecx, ecx, 0x1d
add edx, ecx
movzx ecx, byte [esi - 4]
imul ecx, ecx, 0x4d
add edx, ecx
shr edx, 8
sub edi, 1
mov byte [eax - 1], dl
jns 0x424950
jmp 0x4249ee
mov edi, ebx
test edi, edi
js 0x4249ee
nop dword [eax]
movzx ecx, byte [esi + 1]
lea esi, [esi + 4]
imul edx, ecx, 0x96
lea eax, [eax + 2]
movzx ecx, byte [esi - 2]
imul ecx, ecx, 0x1d
add edx, ecx
movzx ecx, byte [esi - 4]
imul ecx, ecx, 0x4d
add edx, ecx
shr edx, 8
sub edi, 1
mov byte [eax - 2], dl
mov cl, byte [esi - 1]
mov byte [eax - 1], cl
jns 0x424990
jmp 0x4249ee
mov edx, ebx
test edx, edx
js 0x4249ee
nop dword [eax + eax]
sub edx, 1
movzx ecx, byte [esi]
mov byte [eax], cl
lea esi, [esi + 4]
movzx ecx, byte [esi - 3]
lea eax, [eax + 3]
mov byte [eax - 2], cl
movzx ecx, byte [esi - 2]
mov byte [eax - 1], cl
jns 0x4249d0
mov ecx, dword [ebp + 8]
mov esi, dword [ebp - 0xc]
inc ecx
mov eax, dword [ebp - 0x10]
add esi, dword [ebp - 8]
add eax, dword [ebp - 0x18]
cmp ecx, dword [ebp + 0x10]
mov dword [ebp + 8], ecx
mov ecx, dword [ebp - 0x1c]
mov dword [ebp - 0xc], esi
mov dword [ebp - 0x10], eax
jl 0x4247a0
push dword [ebp - 4]
call fcn.0046660e
mov eax, dword [ebp - 0x14]
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push dword [ebp - 4]
call fcn.0046660e
push dword [ebp - 0x14]
call fcn.0046660e
mov eax, dword fs:[0x2c]
add esp, 8
mov eax, dword [eax]
pop edi
pop esi
pop ebx
mov dword [eax + 8], str.unsupported
xor eax, eax
mov esp, ebp
pop ebp
ret
push dword [ebp - 4]
call fcn.0046660e
mov eax, dword fs:[0x2c]
add esp, 4
mov eax, dword [eax]
mov dword [eax + 8], str.outofmem
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret