Function at 0x4b8a70
Capabilities:
Encode data using xor
Get file size
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 0x6eae3e
mov eax, dword fs:[0]
push eax
push ebx
sub esp, 0x6e8
mov eax, dword [0x7ce4e4]
xor eax, ebp
mov dword [ebp - 0x14], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x6dc], ecx
mov eax, dword [0x802bb0]
add ecx, 0x114
mov esi, dword [ebx + 8]
mov dword [ebp - 0x6e4], eax
call fcn.004ad190
mov byte [ebp - 0x6e8], 0
mov dword [ebp - 0x6ec], 0
push ecx
lea ecx, [ebp - 0x4d0]
mov dword [ebp - 4], 0
call fcn.004a91b0
mov dword [ebp - method.t_fileRead.virtual_0], vtable.t_fileRead.0
mov dword [ebp - 0x17c], 0x794d88
mov dword [ebp - 0x178], 0
mov dword [ebp - 0x174], 0
push 0
push 0
push 0
push 0
push 0
push esi
lea ecx, [ebp - 0x170]
mov byte [ebp - 4], 1
call fcn.0049a8e0
push 0
lea eax, [ebp - 0x170]
mov byte [ebp - 4], 2
push eax
lea eax, [ebp - 0x6ec]
push eax
lea ecx, [ebp - 0x4d0]
call fcn.004a9310
mov esi, dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
test al, al
jne 0x4b8b6e
mov byte [ebp - 0x6d1], 0
jmp 0x4b8ba9
lea eax, [ebp - 0x6d8]
mov dword [ebp - 0x6d8], 0
push eax
push dword [ebp - 0x4cc]
call esi
mov esi, eax
cmp esi, 0xffffffff
jne 0x4b8b96
call edi
test eax, eax
je 0x4b8b96
xor esi, esi
mov dword [ebp - 0x178], esi
mov esi, dword [sym.imp.KERNEL32.dll_GetFileSize]
mov byte [ebp - 0x6d1], 1
mov byte [ebp - 4], 1
cmp byte [ebp - 0x54], 0
mov dword [ebp - method.t_str.virtual_0], vtable.t_str.0
jne 0x4b8bd6
mov eax, dword [ebp - 0x168]
lea ecx, [ebp - 0x164]
cmp eax, ecx
je 0x4b8bd6
push eax
call fcn.005cff1c
add esp, 4
cmp byte [ebp - 0x6d1], 0
je 0x4b8f87
lea eax, [ebp - 0x6d8]
mov dword [ebp - 0x6d8], 0
push eax
push dword [ebp - 0x4cc]
call esi
mov esi, eax
cmp esi, 0xffffffff
jne 0x4b8c0b
call edi
test eax, eax
je 0x4b8c0b
xor esi, esi
lea eax, [esi + 1]
push eax
call fcn.005cff37
mov edi, eax
add esp, 4
mov dword [ebp - 0x6d8], edi
test edi, edi
je 0x4b8f87
push esi
push edi
lea eax, [ebp - 0x6ec]
push eax
lea ecx, [ebp - 0x17c]
call fcn.004b3030
test al, al
je 0x4b8f68
lea ecx, [ebp - 0x4d0]
mov byte [esi + edi], 0
call fcn.004a9530
lea eax, [ebp - 0x6d0]
push eax
push 0x100
push 0x77da00
call fcn.005f1990
add esp, 0xc
lea eax, [ebp - 0x5dc]
push eax
push 0x100
push 0x77da00
call fcn.005f1780
movups xmm0, xmmword [0x77d9f0]
add esp, 0xc
mov byte [ebp - 0x4d8], 1
lea ecx, [ebp - 0x6d0]
movups xmmword [ebp - 0x4e8], xmm0
push edi
call fcn.004a2220
mov edx, eax
mov dword [ebp - 0x6e0], edx
test edx, edx
je 0x4b8f68
mov cl, byte [edx]
test cl, cl
je 0x4b8f68
xorps xmm0, xmm0
mov dword [ebp - 0x34], 0
movups xmmword [ebp - 0x44], xmm0
mov dword [ebp - 0x30], 0xf
mov byte [ebp - 0x44], 0
mov byte [ebp - 4], 3
nop dword [eax]
test cl, cl
je 0x4b8f2e
mov esi, edx
cmp cl, 0xd
je 0x4b8d00
nop
cmp cl, 0xa
je 0x4b8d00
mov cl, byte [esi + 1]
inc esi
cmp cl, 0xd
jne 0x4b8cf0
nop
mov al, byte [esi]
cmp al, 0xd
je 0x4b8d0a
cmp al, 0xa
jne 0x4b8d10
mov byte [esi], 0
inc esi
jmp 0x4b8d00
push 0x20
push edx
call fcn.005c0d40
add esp, 8
test eax, eax
je 0x4b8f1f
lea edx, [eax + 1]
mov byte [eax], 0
mov ecx, edx
mov dword [ebp - 0x1c], 0
xorps xmm0, xmm0
mov dword [ebp - 0x18], 0
movups xmmword [ebp - 0x2c], xmm0
lea edi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b8d43
sub ecx, edi
push ecx
push edx
lea ecx, [ebp - 0x2c]
call fcn.00475810
lea eax, [ebp - 0x2c]
push eax
lea ecx, [ebp - 0x44]
call fcn.00475440
mov ecx, dword [ebp - 0x18]
cmp ecx, 0x10
jb 0x4b8d96
mov edx, dword [ebp - 0x2c]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x4b8d8c
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4b8fde
push ecx
push edx
call fcn.005be247
add esp, 8
cmp dword [ebp - 0x30], 0x10
lea edi, [ebp - 0x44]
mov edx, 0x811c9dc5
cmovae edi, dword [ebp - 0x44]
xor ecx, ecx
cmp dword [ebp - 0x34], ecx
jbe 0x4b8dc2
nop dword [eax]
movzx eax, byte [ecx + edi]
inc ecx
xor eax, edx
imul edx, eax, 0x1000193
cmp ecx, dword [ebp - 0x34]
jb 0x4b8db0
mov edi, dword [ebp - 0x6dc]
lea eax, [ebp - 0x44]
push edx
push eax
lea eax, [ebp - 0x6f4]
push eax
lea ecx, [edi + 0x114]
call fcn.004adf30
mov eax, dword [eax + 4]
test eax, eax
jne 0x4b8dec
mov eax, dword [edi + 0x118]
mov ecx, edi
mov edi, dword [ebp - 0x6e0]
cmp eax, dword [ecx + 0x118]
jne 0x4b8e8f
mov ecx, edi
mov dword [ebp - 0x1c], 0
xorps xmm0, xmm0
mov dword [ebp - 0x18], 0
movups xmmword [ebp - 0x2c], xmm0
lea edx, [ecx + 1]
nop word [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b8e20
sub ecx, edx
push ecx
push edi
lea ecx, [ebp - 0x2c]
call fcn.00475810
mov ecx, dword [ebp - 0x6dc]
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 0x44]
mov byte [ebp - 4], 4
push eax
lea ecx, [ecx + 0x114]
call fcn.004b9bd0
mov ecx, eax
call fcn.00475440
mov byte [ebp - 4], 3
mov ecx, dword [ebp - 0x18]
cmp ecx, 0x10
jb 0x4b8e8f
mov edx, dword [ebp - 0x2c]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x4b8e85
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4b8fde
push ecx
push edx
call fcn.005be247
add esp, 8
cmp dword [ebp - 0x6e4], 0
je 0x4b8f1f
mov ecx, edi
mov dword [ebp - 0x1c], 0
xorps xmm0, xmm0
mov dword [ebp - 0x18], 0
movups xmmword [ebp - 0x2c], xmm0
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b8eb6
sub ecx, edx
push ecx
push edi
lea ecx, [ebp - 0x2c]
call fcn.00475810
mov ecx, dword [ebp - 0x6e4]
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 0x44]
mov byte [ebp - 4], 5
push eax
call fcn.004b9bd0
mov ecx, eax
call fcn.00475440
mov byte [ebp - 4], 3
mov ecx, dword [ebp - 0x18]
cmp ecx, 0x10
jb 0x4b8f1f
mov edx, dword [ebp - 0x2c]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x4b8f15
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4b8fde
push ecx
push edx
call fcn.005be247
add esp, 8
mov cl, byte [esi]
mov edx, esi
mov dword [ebp - 0x6e0], edx
jmp 0x4b8ce0
mov ecx, dword [ebp - 0x30]
cmp ecx, 0x10
jb 0x4b8f62
mov edx, dword [ebp - 0x44]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x4b8f58
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4b8fde
push ecx
push edx
call fcn.005be247
add esp, 8
mov edi, dword [ebp - 0x6d8]
push edi
call fcn.005cff1c
mov eax, dword [ebp - 0x6dc]
add esp, 4
cmp dword [eax + 0x11c], 0
seta byte [ebp - 0x6d1]
jmp 0x4b8f8e
mov byte [ebp - 0x6d1], 0
lea ecx, [ebp - 0x4d0]
mov dword [ebp - method.t_fileRead.virtual_0], vtable.t_fileRead.0
mov dword [ebp - method.t_byteStreamRead.virtual_0], vtable.t_byteStreamRead.0
call fcn.004a9250
lea ecx, [ebp - 0x6ec]
call fcn.0049c790
mov al, byte [ebp - 0x6d1]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.005be209
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0xc
call fcn.005c44be
int3