Function at 0x421a20
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4e7610
mov eax, dword fs:[0]
push eax
sub esp, 0x1c
push ebx
push esi
push edi
mov eax, dword [0x521808]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x14], ecx
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], 0
mov ecx, dword [eax + 0x14]
mov ebx, dword [eax + 0x10]
mov dword [ebp - 0x18], ecx
cmp ecx, 0x10
jb 0x421a6a
mov esi, dword [eax]
jmp 0x421a6c
mov esi, eax
xor ecx, ecx
mov edx, 0x811c9dc5
test ebx, ebx
je 0x421a88
movzx eax, byte [esi + ecx]
inc ecx
xor eax, edx
imul edx, eax, 0x1000193
cmp ecx, ebx
jb 0x421a77
mov ebx, dword [ebp - 0x14]
lea ecx, [ebx + 4]
mov dword [ebp - 0x24], ecx
mov eax, dword [ebx + 0x18]
mov edi, dword [ebx + 0xc]
and eax, edx
lea edx, [eax*8]
mov eax, dword [edi + edx]
mov dword [ebp - 0x28], edx
mov dword [ebp - 0x1c], eax
cmp eax, dword [ecx]
jne 0x421ab1
mov edi, dword [ecx]
jmp 0x421ab7
mov edi, dword [edi + edx + 4]
mov edi, dword [edi]
cmp edi, eax
je 0x421b6d
nop
mov edi, dword [edi + 4]
cmp dword [edi + 0x1c], 0x10
lea edx, [edi + 8]
lea ecx, [edx + 0x10]
jb 0x421ad1
mov edx, dword [edx]
cmp dword [ebp - 0x18], 0x10
mov ebx, dword [ebp + 0xc]
jb 0x421adc
mov ebx, dword [ebx]
mov eax, dword [ebp + 0xc]
mov ecx, dword [ecx]
mov esi, ecx
mov dword [ebp - 0x20], ecx
cmp dword [eax + 0x10], ecx
cmovb esi, dword [eax + 0x10]
mov eax, dword [ebp - 0x1c]
test esi, esi
je 0x421b53
sub esi, 4
jb 0x421b11
nop dword [eax]
mov ecx, dword [ebx]
cmp ecx, dword [edx]
jne 0x421b16
add ebx, 4
add edx, 4
sub esi, 4
jae 0x421b00
cmp esi, 0xfffffffc
je 0x421b4a
mov cl, byte [ebx]
cmp cl, byte [edx]
jne 0x421b43
cmp esi, 0xfffffffd
je 0x421b4a
mov cl, byte [ebx + 1]
cmp cl, byte [edx + 1]
jne 0x421b43
cmp esi, 0xfffffffe
je 0x421b4a
mov cl, byte [ebx + 2]
cmp cl, byte [edx + 2]
jne 0x421b43
cmp esi, 0xffffffff
je 0x421b4a
mov cl, byte [ebx + 3]
cmp cl, byte [edx + 3]
je 0x421b4a
sbb ecx, ecx
or ecx, 1
jmp 0x421b4c
xor ecx, ecx
test ecx, ecx
jne 0x421b5f
mov ecx, dword [ebp - 0x20]
mov edx, dword [ebp + 0xc]
mov ebx, dword [edx + 0x10]
cmp ebx, ecx
jb 0x421b5f
jbe 0x421b9d
cmp edi, eax
jne 0x421ac0
mov ebx, dword [ebp - 0x14]
mov ecx, dword [ebp - 0x24]
mov eax, dword [ecx]
push dword [ebp + 0xc]
mov dword [ebp - 4], 0xffffffff
mov esi, dword [eax]
push dword [esi + 4]
push esi
call fcn.004207b0
mov ecx, 0x7fffffe
mov edx, eax
sub ecx, dword [ebx + 8]
cmp ecx, 1
jae 0x421bba
push str.list_T__too_long
call fcn.004abfd8
mov eax, dword [ebp + 8]
mov dword [eax], edi
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
inc dword [ebx + 8]
mov dword [esi + 4], edx
mov eax, dword [edx + 4]
mov dword [eax], edx
mov esi, dword [ebx + 4]
mov esi, dword [esi]
mov dword [ebp + 0xc], esi
mov eax, dword [esi]
cmp edi, eax
je 0x421bf4
mov ecx, dword [esi + 4]
mov dword [ecx], eax
mov ecx, dword [eax + 4]
mov dword [ecx], edi
mov ecx, dword [edi + 4]
mov dword [ecx], esi
mov ecx, dword [eax + 4]
mov edx, dword [edi + 4]
mov dword [edi + 4], ecx
mov ecx, dword [esi + 4]
mov dword [eax + 4], ecx
mov dword [esi + 4], edx
mov ecx, dword [ebx + 0xc]
mov edx, dword [ebp - 0x28]
add ecx, edx
mov eax, dword [ecx]
cmp eax, dword [ebx + 4]
jne 0x421c0e
mov dword [ecx], esi
mov eax, dword [ebx + 0xc]
mov dword [eax + edx + 4], esi
jmp 0x421c30
cmp eax, edi
jne 0x421c16
mov dword [ecx], esi
jmp 0x421c30
mov eax, dword [ecx + 4]
mov eax, dword [eax]
mov dword [ecx + 4], eax
cmp eax, esi
je 0x421c30
mov ecx, dword [ebx + 0xc]
mov eax, dword [ecx + edx + 4]
mov eax, dword [eax + 4]
mov dword [ecx + edx + 4], eax
mov ecx, ebx
mov dword [ebp - 4], 2
call fcn.00446000
mov eax, dword [ebp + 8]
mov dword [eax], esi
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