Function at 0x420050
Capabilities:
Encode data using xor
Encrypt data using rc4 prga
Hash data using fnv

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x541b50
mov eax, dword fs:[0]
push eax
sub esp, 0x18
push ebx
push esi
push edi
mov eax, dword [0x594584]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov edx, ecx
mov dword [ebp - 0x18], edx
mov eax, dword [ebp + 0xc]
mov edi, eax
mov dword [ebp - 4], 0
cmp dword [eax + 0x14], 8
mov ecx, dword [eax + 0x10]
mov dword [ebp - 0x1c], ecx
jb 0x42009a
mov edi, dword [eax]
lea ebx, [ecx + ecx]
mov esi, 0x811c9dc5
xor ecx, ecx
test ebx, ebx
je 0x4200b9
movzx eax, byte [ecx + edi]
inc ecx
xor eax, esi
imul esi, eax, 0x1000193
cmp ecx, ebx
jb 0x4200a8
mov ecx, dword [edx + 0x18]
mov edi, dword [edx + 0xc]
and ecx, esi
mov esi, dword [edx + 4]
mov dword [ebp - 0x20], ecx
mov eax, dword [edi + ecx*8]
cmp eax, esi
je 0x4200d4
mov esi, dword [edi + ecx*8 + 4]
mov esi, dword [esi]
mov ebx, dword [ebp + 0xc]
cmp esi, eax
je 0x420179
mov esi, dword [esi + 4]
cmp dword [esi + 0x1c], 8
lea ecx, [esi + 8]
mov edi, dword [ecx + 0x10]
jb 0x4200f0
mov ecx, dword [ecx]
cmp dword [ebx + 0x14], 8
mov edx, ebx
mov dword [ebp - 0x14], ebx
jb 0x420100
mov edx, dword [ebx]
mov dword [ebp - 0x14], edx
cmp dword [ebx + 0x10], edi
jne 0x4200d7
mov edi, dword [ebp - 0x1c]
mov ebx, edi
test edi, edi
je 0x42013b
movzx edx, word [edx]
movzx edi, word [ecx]
cmp dx, di
jb 0x4200d4
sub dword [ebp - 0x14], ecx
cmp dx, di
ja 0x4200d4
cmp ebx, 1
je 0x42013b
mov edx, dword [ebp - 0x14]
add ecx, 2
dec ebx
movzx edx, word [edx + ecx]
movzx edi, word [ecx]
cmp dx, di
jae 0x42011f
jmp 0x4200d4
mov edi, dword [ebp + 0x10]
mov ecx, dword [ebp - 0x18]
add ecx, 4
push edi
mov edx, dword [edi + 4]
mov eax, dword [edi]
mov dword [edx], eax
mov edx, dword [edi]
mov eax, dword [edi + 4]
mov dword [edx + 4], eax
dec dword [ecx + 4]
call fcn.004213f0
mov eax, dword [ebp + 8]
mov dword [eax], esi
mov byte [eax + 4], 0
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov edi, dword [ebp + 0x10]
mov dword [ebp - 0x1c], edi
mov eax, dword [edi]
cmp esi, eax
je 0x4201a6
mov ecx, dword [edi + 4]
mov dword [ecx], eax
mov ecx, dword [eax + 4]
mov dword [ecx], esi
mov ecx, dword [esi + 4]
mov dword [ecx], edi
mov ecx, dword [eax + 4]
mov edx, dword [esi + 4]
mov dword [esi + 4], ecx
mov ecx, dword [edi + 4]
mov dword [eax + 4], ecx
mov dword [edi + 4], edx
mov ebx, dword [ebp - 0x18]
mov edx, dword [ebp - 0x20]
mov ecx, dword [ebx + 0xc]
mov eax, dword [ecx + edx*8]
cmp eax, dword [ebx + 4]
jne 0x4201c3
mov dword [ecx + edx*8], edi
mov eax, dword [ebx + 0xc]
mov dword [eax + edx*8 + 4], edi
jmp 0x4201e8
cmp eax, esi
jne 0x4201cc
mov dword [ecx + edx*8], edi
jmp 0x4201e8
mov eax, dword [ecx + edx*8 + 4]
mov eax, dword [eax]
mov dword [ecx + edx*8 + 4], eax
cmp eax, edi
je 0x4201e8
mov ecx, dword [ebx + 0xc]
mov eax, dword [ecx + edx*8 + 4]
mov eax, dword [eax + 4]
mov dword [ecx + edx*8 + 4], eax
mov eax, dword [ebx + 8]
mov ecx, dword [ebx + 0x1c]
mov dword [ebp - 4], 2
movd xmm0, eax
cvtdq2pd xmm0, xmm0
shr eax, 0x1f
addsd xmm0, qword [eax*8 + 0x550e10]
mov eax, ecx
shr eax, 0x1f
cvtpd2ps xmm1, xmm0
movd xmm0, ecx
cvtdq2pd xmm0, xmm0
addsd xmm0, qword [eax*8 + 0x550e10]
cvtpd2ps xmm0, xmm0
divss xmm1, xmm0
comiss xmm1, dword [ebx]
jbe 0x42027a
cmp ecx, 0x200
jae 0x42023d
shl ecx, 3
jmp 0x420247
cmp ecx, 0x1fffffff
jae 0x420247
add ecx, ecx
push ecx
mov ecx, ebx
call fcn.0041f480
mov eax, dword [ebx + 4]
cmp dword [eax], eax
je 0x42027a
mov eax, dword [eax + 4]
mov dword [ebp + 0xc], eax
nop dword [eax]
mov esi, dword [ebx + 4]
mov ecx, ebx
mov esi, dword [esi]
push esi
lea eax, [esi + 8]
push eax
lea eax, [ebp - 0x24]
push eax
call fcn.00420050
cmp esi, dword [ebp + 0xc]
jne 0x420260
mov eax, dword [ebp + 8]
mov dword [eax], edi
mov byte [eax + 4], 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc