Function at 0x678de570
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x1fffffff
sub esp, 0x18
bsr ecx, eax
push ebx
push esi
mov esi, 1
mov eax, esi
shl eax, cl
mov ecx, dword [ebp + 8]
push edi
cmp ecx, eax
jbe 0x678de59c
push 0x67ac424c
call dword [sym.imp.msvcp140.dll_void___cdecl_std::_Xlength_error_char_const__]
lea eax, [ecx - 1]
or eax, 1
bsr ecx, eax
mov eax, dword [0x67b73148]
push eax
mov dword [ebp - 0xc], eax
lea ecx, [ecx + 1]
shl esi, cl
mov ecx, 0x67b73150
lea eax, [esi + esi]
push eax
call fcn.678dc010
mov edi, dword [0x67b73148]
lea eax, [esi - 1]
mov ecx, dword [ebp - 0xc]
mov dword [0x67b7315c], eax
mov dword [0x67b73160], esi
mov edi, dword [edi]
mov eax, edi
cmp edi, ecx
je 0x678de716
cmp dword [edi + 0x1c], 0x10
lea ebx, [edi + 8]
mov eax, dword [eax]
mov edx, dword [ebx + 0x10]
mov dword [ebp - 8], eax
mov dword [ebp - 0x14], edx
mov dword [ebp - 0x10], ebx
jb 0x678de600
mov edx, dword [ebx]
mov dword [ebp - 0x10], edx
xor esi, esi
mov edx, 0x811c9dc5
cmp dword [ebx + 0x10], esi
jbe 0x678de634
mov ebx, dword [ebp - 0x10]
mov ecx, edx
mov eax, dword [ebp - 0x14]
movzx edx, byte [esi + ebx]
inc esi
xor edx, ecx
imul ecx, edx, 0x1000193
cmp esi, eax
jb 0x678de614
mov eax, dword [ebp - 8]
lea ebx, [edi + 8]
mov dword [ebp - 4], ecx
mov ecx, dword [ebp - 0xc]
mov edx, dword [ebp - 4]
and edx, dword [0x67b7315c]
mov dword [ebp - 4], edx
mov esi, dword [ebp - 4]
mov edx, dword [0x67b73150]
lea edx, [edx + esi*8]
mov dword [ebp - 4], edx
cmp dword [edx], ecx
jne 0x678de65a
mov dword [edx], edi
mov dword [edx + 4], edi
jmp 0x678de70c
mov esi, dword [edx + 4]
cmp dword [esi + 0x1c], 0x10
lea eax, [esi + 8]
mov edx, dword [eax + 0x10]
jb 0x678de66b
mov eax, dword [eax]
cmp dword [ebx + 0x14], 0x10
mov ecx, ebx
jb 0x678de675
mov ecx, dword [ebx]
push edx
mov edx, dword [ebx + 0x10]
push eax
call fcn.67870dc0
add esp, 8
test al, al
je 0x678de6af
mov ebx, dword [esi]
mov eax, dword [ebp - 8]
cmp ebx, edi
je 0x678de6a7
mov esi, dword [edi + 4]
mov dword [esi], eax
mov edx, dword [eax + 4]
mov dword [edx], ebx
mov ecx, dword [ebx + 4]
mov dword [ecx], edi
mov dword [ebx + 4], edx
mov dword [eax + 4], esi
mov dword [edi + 4], ecx
mov ecx, dword [ebp - 4]
mov dword [ecx + 4], edi
jmp 0x678de709
mov eax, dword [ebp - 4]
cmp dword [eax], esi
je 0x678de6e9
mov esi, dword [esi + 4]
cmp dword [esi + 0x1c], 0x10
lea eax, [esi + 8]
mov edx, dword [eax + 0x10]
jb 0x678de6c7
mov eax, dword [eax]
cmp dword [ebx + 0x14], 0x10
mov ecx, ebx
jb 0x678de6d1
mov ecx, dword [ebx]
push edx
mov edx, dword [ebx + 0x10]
push eax
call fcn.67870dc0
add esp, 8
test al, al
jne 0x678de71f
mov eax, dword [ebp - 4]
cmp dword [eax], esi
jne 0x678de6b6
mov ebx, dword [edi + 4]
mov eax, dword [ebp - 8]
mov dword [ebx], eax
mov edx, dword [eax + 4]
mov dword [edx], esi
mov ecx, dword [esi + 4]
mov dword [ecx], edi
mov dword [esi + 4], edx
mov dword [eax + 4], ebx
mov dword [edi + 4], ecx
mov ecx, dword [ebp - 4]
mov dword [ecx], edi
mov ecx, dword [ebp - 0xc]
mov edi, eax
cmp eax, ecx
jne 0x678de5e4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov ebx, dword [esi]
mov esi, dword [edi + 4]
mov eax, dword [ebp - 8]
mov dword [esi], eax
mov edx, dword [eax + 4]
mov dword [edx], ebx
mov ecx, dword [ebx + 4]
mov dword [ecx], edi
mov dword [ebx + 4], edx
mov dword [eax + 4], esi
mov dword [edi + 4], ecx
jmp 0x678de709