Function at 0x402670
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
mov ebx, ecx
mov eax, 0x1fffffff
bsr ecx, eax
push esi
push edi
mov edi, 1
mov dword [ebp - 0x1c], ebx
mov eax, edi
shl eax, cl
mov ecx, dword [ebp + 8]
cmp ecx, eax
jbe 0x4026a1
push str.invalid_hash_bucket_count
call dword [sym.imp.MSVCP140.dll_void___cdecl_std::_Xlength_error_char_const__]
lea eax, [ecx - 1]
mov esi, dword [ebx + 4]
or eax, 1
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.00402890
mov ecx, dword [ebx + 4]
lea eax, [edi - 1]
mov dword [ebx + 0x18], eax
mov dword [ebx + 0x1c], edi
mov ecx, dword [ecx]
mov edx, ecx
cmp ecx, esi
je 0x40285b
nop word [eax + eax]
mov eax, dword [ecx + 0x1c]
lea edi, [ecx + 8]
mov edx, dword [edx]
mov dword [ebp - 4], edx
mov dword [ebp - 0xc], edi
mov dword [ebp - 0x18], eax
cmp eax, 8
jb 0x4026fb
mov eax, dword [edi]
mov dword [ebp - 0xc], eax
mov eax, dword [edi + 0x10]
mov ebx, 0x811c9dc5
mov dword [ebp - 0x14], eax
xor edi, edi
add eax, eax
mov dword [ebp - 0x10], eax
je 0x40272b
mov esi, dword [ebp - 0xc]
mov edx, eax
movzx eax, byte [edi + esi]
inc edi
xor eax, ebx
imul ebx, eax, 0x1000193
cmp edi, edx
jb 0x402714
mov edx, dword [ebp - 4]
mov esi, dword [ebp - 8]
mov eax, dword [ebp - 0x1c]
and ebx, dword [eax + 0x18]
mov eax, dword [eax + 0xc]
lea eax, [eax + ebx*8]
mov dword [ebp - 0xc], eax
cmp dword [eax], esi
jne 0x402748
mov dword [eax], ecx
mov dword [eax + 4], ecx
jmp 0x402851
mov eax, dword [eax + 4]
cmp dword [eax + 0x1c], 8
lea ebx, [eax + 8]
jb 0x402757
mov ebx, dword [eax + 8]
cmp dword [ebp - 0x18], 8
lea edi, [ecx + 8]
jb 0x402763
mov edi, dword [ecx + 8]
mov esi, dword [ebp - 0x14]
cmp esi, dword [eax + 0x18]
mov esi, dword [ebp - 8]
jne 0x4027c7
mov esi, dword [ebp - 0x14]
test esi, esi
mov dword [ebp - 0x10], esi
mov esi, dword [ebp - 8]
je 0x402795
sub edi, ebx
mov dword [ebp - 4], edi
mov di, word [edi + ebx]
cmp di, word [ebx]
jne 0x4027c7
mov edi, dword [ebp - 4]
add ebx, 2
sub dword [ebp - 0x10], 1
jne 0x402780
mov eax, dword [eax]
mov dword [ebp - 4], eax
cmp eax, ecx
je 0x4027bc
mov ebx, dword [ecx + 4]
mov esi, dword [ebp - 4]
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 - 0xc]
mov dword [eax + 4], ecx
jmp 0x402851
mov edi, dword [ebp - 0xc]
cmp dword [edi], eax
je 0x40282e
nop
mov eax, dword [eax + 4]
cmp dword [eax + 0x1c], 8
lea edi, [eax + 8]
jb 0x4027df
mov edi, dword [eax + 8]
cmp dword [ebp - 0x18], 8
lea ebx, [ecx + 8]
jb 0x4027eb
mov ebx, dword [ecx + 8]
mov esi, dword [ebp - 0x14]
cmp esi, dword [eax + 0x18]
mov esi, dword [ebp - 8]
jne 0x402827
mov esi, dword [ebp - 0x14]
test esi, esi
mov dword [ebp - 0x10], esi
mov esi, dword [ebp - 8]
je 0x402864
sub ebx, edi
mov dword [ebp - 4], ebx
nop dword [eax + eax]
mov bx, word [ebx + edi]
cmp bx, word [edi]
jne 0x402827
add edi, 2
sub dword [ebp - 0x10], 1
je 0x402864
mov ebx, dword [ebp - 4]
jmp 0x402810
mov ebx, dword [ebp - 0xc]
cmp dword [ebx], eax
jne 0x4027d0
mov ebx, dword [ecx + 4]
mov dword [ebp - 4], 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 - 4]
mov dword [edx + 4], eax
mov eax, dword [ebp - 0xc]
mov dword [ecx + 4], edi
mov dword [eax], ecx
mov ecx, edx
cmp edx, esi
jne 0x4026e0
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 - 4], 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 0x402851