Function at 0x4fdca0
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x56fecd
mov eax, dword fs:[0]
push eax
push ebx
sub esp, 0x20
push esi
push edi
mov eax, dword [0x5d6024]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov dword [ebp - 0x14], edi
mov edx, dword [ebx + 0xc]
mov dword [ebp - 0x18], edx
cmp dword [edx + 0x14], 8
mov ecx, dword [edx + 0x10]
jb 0x4fdcf4
mov eax, dword [edx]
mov dword [ebp - 0x18], eax
lea eax, [ecx + ecx]
mov esi, 0x811c9dc5
xor ecx, ecx
test eax, eax
je 0x4fdd1e
mov edi, dword [ebp - 0x18]
mov edx, eax
movzx eax, byte [ecx + edi]
inc ecx
xor eax, esi
imul esi, eax, 0x1000193
cmp ecx, edx
jb 0x4fdd07
mov edi, dword [ebp - 0x14]
mov edx, dword [ebx + 0xc]
push esi
push edx
lea eax, [ebp - 0x2c]
mov ecx, edi
push eax
call fcn.0040add0
mov ecx, dword [ebp - 0x28]
test ecx, ecx
je 0x4fdd40
mov eax, dword [ebx + 8]
mov dword [eax], ecx
mov byte [eax + 4], 0
jmp 0x4fdeae
cmp dword [edi + 8], 0x7ffffff
je 0x4fdec4
lea eax, [edi + 4]
mov dword [ebp - 0x20], 0
mov dword [ebp - 0x24], eax
mov dword [ebp - 4], 0
push 0x20
mov dword [ebp - 0x20], 0
call fcn.005214a3
mov edi, eax
xor ecx, ecx
mov eax, dword [ebx + 0xc]
add esp, 4
mov dword [ebp - 0x20], edi
mov dword [edi + 0x18], 0
mov dword [edi + 0x1c], 0
movups xmm0, xmmword [eax]
movups xmmword [edi + 8], xmm0
movq xmm0, qword [eax + 0x10]
movq qword [edi + 0x18], xmm0
mov dword [eax + 0x10], 0
mov dword [eax + 0x14], 7
mov word [eax], cx
mov dword [ebp - 4], 1
mov ecx, dword [ebp - 0x14]
mov eax, dword [ecx + 8]
inc eax
movss xmm3, dword [ecx]
movd xmm0, eax
cvtdq2pd xmm0, xmm0
shr eax, 0x1f
addsd xmm0, qword [eax*8 + 0x59dab0]
mov eax, dword [ecx + 0x1c]
mov dword [ebp - 0x1c], eax
movd xmm1, eax
cvtdq2pd xmm1, xmm1
shr eax, 0x1f
cvtpd2ps xmm0, xmm0
addsd xmm1, qword [eax*8 + 0x59dab0]
movaps xmm2, xmm0
cvtpd2ps xmm1, xmm1
divss xmm2, xmm1
comiss xmm2, xmm3
jbe 0x4fde50
divss xmm0, xmm3
call fcn.0040ae60
call fcn.0053f6f0
mov ecx, 8
cmp eax, ecx
cmova ecx, eax
mov eax, dword [ebp - 0x1c]
cmp eax, ecx
jae 0x4fde2f
cmp eax, 0x200
jae 0x4fde2d
shl eax, 3
cmp eax, ecx
jae 0x4fde2f
mov eax, ecx
mov ecx, dword [ebp - 0x14]
push eax
call fcn.004e5b20
mov ecx, dword [ebp - 0x14]
lea eax, [edi + 8]
push esi
push eax
lea eax, [ebp - 0x2c]
push eax
call fcn.0040add0
mov ecx, dword [ebp - 0x14]
mov edx, dword [eax]
jmp 0x4fde53
mov edx, dword [ebp - 0x2c]
mov eax, dword [edx + 4]
inc dword [ecx + 8]
mov dword [edi + 4], eax
mov dword [edi], edx
mov dword [eax], edi
mov dword [edx + 4], edi
mov dword [ebp - 0x14], eax
mov eax, dword [ecx + 0x18]
and eax, esi
mov dword [ebp - 0x18], edx
mov edx, dword [ecx + 0xc]
mov esi, dword [ebp - 0x24]
mov dword [ebp - 0x20], 0
mov ecx, dword [edx + eax*8]
cmp ecx, dword [esi]
jne 0x4fde87
mov dword [edx + eax*8], edi
jmp 0x4fde9a
cmp ecx, dword [ebp - 0x18]
jne 0x4fde91
mov dword [edx + eax*8], edi
jmp 0x4fde9e
mov ecx, dword [ebp - 0x14]
cmp dword [edx + eax*8 + 4], ecx
jne 0x4fde9e
mov dword [edx + eax*8 + 4], edi
mov eax, dword [ebx + 8]
mov dword [eax], edi
mov byte [eax + 4], 1
mov dword [ebp - 4], 0xffffffff
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 8
push str.unordered_map_set_too_long
call fcn.0051f575
int3