Function at 0x4fb840
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
mov edx, dword [ebp + 8]
mov eax, 0x1fffffff
push ebx
mov ebx, ecx
bsr ecx, eax
push esi
push edi
mov edi, 1
mov dword [ebp - 0x1c], ebx
mov eax, edi
shl eax, cl
cmp edx, eax
ja 0x4fbb1c
mov esi, dword [ebx + 4]
lea eax, [edx - 1]
or eax, edi
mov dword [ebp + 8], esi
bsr ecx, eax
push esi
lea ecx, [ecx + 1]
shl edi, cl
lea ecx, [ebx + 0xc]
lea eax, [edi + edi]
push eax
call fcn.004fb770
lea eax, [edi - 1]
mov dword [ebx + 0x1c], edi
mov dword [ebx + 0x18], eax
mov ecx, dword [ebx + 4]
mov ecx, dword [ecx]
mov edx, ecx
cmp ecx, esi
je 0x4fbaef
mov ebx, dword [ecx + 0x1c]
lea edi, [ecx + 8]
mov edx, dword [edx]
mov dword [ebp - 0xc], ebx
cmp ebx, 0xf
jbe 0x4fb8b5
mov edi, dword [ecx + 8]
mov eax, dword [ecx + 0x18]
xor ebx, ebx
mov esi, dword [ebp - 0xc]
add eax, edi
mov dword [ebp - 4], esi
mov esi, dword [ebp + 8]
mov dword [ebp - 0x18], eax
cmp edi, eax
jae 0x4fb8ec
mov esi, eax
nop
movzx eax, byte [edi]
inc edi
imul ebx, ebx, 0x1000193
xor ebx, eax
cmp edi, esi
jb 0x4fb8d0
mov eax, dword [ecx + 0x1c]
mov esi, dword [ebp + 8]
mov dword [ebp - 0xc], eax
mov dword [ebp - 4], eax
mov eax, dword [ebp - 0x1c]
mov edi, dword [eax + 0x18]
mov eax, dword [eax + 0xc]
and edi, ebx
lea eax, [eax + edi*8]
mov dword [ebp - 0x14], eax
cmp dword [eax], esi
jne 0x4fb90b
mov dword [eax], ecx
mov dword [eax + 4], ecx
jmp 0x4fbae5
mov eax, dword [eax + 4]
cmp dword [eax + 0x1c], 0xf
lea ebx, [eax + 8]
mov edi, dword [ebx + 0x10]
mov dword [ebp - 0x18], ebx
mov dword [ebp - 0x20], edi
jbe 0x4fb925
mov ebx, dword [ebx]
mov dword [ebp - 0x18], ebx
cmp dword [ebp - 0xc], 0xf
lea edi, [ecx + 8]
mov esi, dword [edi + 0x10]
mov dword [ebp - 0x10], esi
mov dword [ebp - 8], edi
jbe 0x4fb943
mov edi, dword [ecx + 8]
mov esi, dword [ebp - 4]
mov dword [ebp - 8], edi
mov dword [ebp - 0xc], esi
mov esi, dword [ebp - 0x10]
cmp esi, dword [ebp - 0x20]
mov esi, dword [ebp + 8]
jne 0x4fba00
mov esi, dword [ebp - 0x10]
mov dword [ebp - 4], esi
sub dword [ebp - 4], 4
mov esi, dword [ebp + 8]
jb 0x4fb97c
mov edi, dword [edi]
cmp edi, dword [ebx]
jne 0x4fb982
mov edi, dword [ebp - 8]
add ebx, 4
add edi, 4
mov dword [ebp - 0x18], ebx
sub dword [ebp - 4], 4
mov dword [ebp - 8], edi
jae 0x4fb961
cmp dword [ebp - 4], 0xfffffffc
je 0x4fb9c8
mov ebx, dword [ebp - 8]
mov edi, dword [ebp - 0x18]
mov bl, byte [ebx]
cmp bl, byte [edi]
jne 0x4fb9c1
cmp dword [ebp - 4], 0xfffffffd
je 0x4fb9c8
mov ebx, dword [ebp - 8]
mov bl, byte [ebx + 1]
cmp bl, byte [edi + 1]
jne 0x4fb9c1
cmp dword [ebp - 4], 0xfffffffe
je 0x4fb9c8
mov ebx, dword [ebp - 8]
mov bl, byte [ebx + 2]
cmp bl, byte [edi + 2]
jne 0x4fb9c1
cmp dword [ebp - 4], 0xffffffff
je 0x4fb9c8
mov ebx, dword [ebp - 8]
mov bl, byte [ebx + 3]
cmp bl, byte [edi + 3]
je 0x4fb9c8
sbb edi, edi
or edi, 1
jmp 0x4fb9ca
xor edi, edi
test edi, edi
jne 0x4fba00
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
cmp eax, ecx
je 0x4fb9f5
mov ebx, dword [ecx + 4]
mov esi, dword [ebp - 0x20]
mov dword [ebx], edx
mov edi, dword [edx + 4]
mov dword [edi], eax
mov eax, dword [eax + 4]
mov dword [eax], ecx
mov dword [esi + 4], edi
mov esi, dword [ebp + 8]
mov dword [edx + 4], ebx
mov dword [ecx + 4], eax
mov eax, dword [ebp - 0x14]
mov dword [eax + 4], ecx
jmp 0x4fbae5
mov edi, dword [ebp - 0x14]
cmp dword [edi], eax
je 0x4fbac2
nop dword [eax + eax]
mov eax, dword [eax + 4]
cmp dword [eax + 0x1c], 0xf
lea edi, [eax + 8]
mov ebx, dword [edi + 0x10]
mov dword [ebp - 0x20], ebx
jbe 0x4fba24
mov edi, dword [edi]
cmp dword [ebp - 0xc], 0xf
lea ebx, [ecx + 8]
mov dword [ebp - 8], ebx
jbe 0x4fba36
mov ebx, dword [ecx + 8]
mov dword [ebp - 8], ebx
mov esi, dword [ebp - 0x10]
cmp esi, dword [ebp - 0x20]
mov esi, dword [ebp + 8]
jne 0x4fbab7
mov esi, dword [ebp - 0x10]
mov dword [ebp - 4], esi
sub dword [ebp - 4], 4
mov esi, dword [ebp + 8]
jb 0x4fba68
mov ebx, dword [ebx]
cmp ebx, dword [edi]
jne 0x4fba6e
mov ebx, dword [ebp - 8]
add edi, 4
add ebx, 4
sub dword [ebp - 4], 4
mov dword [ebp - 8], ebx
jae 0x4fba50
cmp dword [ebp - 4], 0xfffffffc
je 0x4fbab1
mov ebx, dword [ebp - 8]
mov bl, byte [ebx]
cmp bl, byte [edi]
jne 0x4fbaaa
cmp dword [ebp - 4], 0xfffffffd
je 0x4fbab1
mov ebx, dword [ebp - 8]
mov bl, byte [ebx + 1]
cmp bl, byte [edi + 1]
jne 0x4fbaaa
cmp dword [ebp - 4], 0xfffffffe
je 0x4fbab1
mov ebx, dword [ebp - 8]
mov bl, byte [ebx + 2]
cmp bl, byte [edi + 2]
jne 0x4fbaaa
cmp dword [ebp - 4], 0xffffffff
je 0x4fbab1
mov ebx, dword [ebp - 8]
mov bl, byte [ebx + 3]
cmp bl, byte [edi + 3]
je 0x4fbab1
sbb edi, edi
or edi, 1
jmp 0x4fbab3
xor edi, edi
test edi, edi
je 0x4fbaf8
mov ebx, dword [ebp - 0x14]
cmp dword [ebx], eax
jne 0x4fba10
mov ebx, dword [ecx + 4]
mov dword [ebp - 0x20], ebx
mov dword [ebx], edx
mov ebx, dword [edx + 4]
mov dword [ebx], eax
mov edi, dword [eax + 4]
mov dword [edi], ecx
mov dword [eax + 4], ebx
mov eax, dword [ebp - 0x20]
mov dword [edx + 4], eax
mov eax, dword [ebp - 0x14]
mov dword [ecx + 4], edi
mov dword [eax], ecx
mov ecx, edx
cmp edx, esi
jne 0x4fb8a2
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov ebx, dword [ecx + 4]
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
mov esi, eax
mov dword [ebx], edx
mov edi, dword [edx + 4]
mov dword [edi], eax
mov eax, dword [eax + 4]
mov dword [eax], ecx
mov dword [esi + 4], edi
mov esi, dword [ebp + 8]
mov dword [edx + 4], ebx
mov dword [ecx + 4], eax
jmp 0x4fbae5
push str.invalid_hash_bucket_count
call fcn.0056c486
int3