Function at 0x499840
Capabilities:
Encode data using xor
Hash data using murmur2

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 0x30
mov eax, dword [ebp + 0xc]
mov ecx, dword [0x58a014]
xor ecx, ebp
mov dword [ebp - 0x10], ecx
mov esi, dword [eax]
test esi, esi
je 0x499a55
push esi
call fcn.004d4180
add esp, 4
cmp eax, 0x7ffffff0
jae 0x499b03
mov ebx, eax
cmp eax, 0xa
ja 0x499884
lea eax, [ebp - 0x1c]
mov byte [eax + 0xb], bl
jmp 0x4998a2
mov edi, ebx
or edi, 0xf
inc edi
push edi
call fcn.004ba1be
add esp, 4
mov dword [ebp - 0x1c], eax
or edi, 0x80000000
mov dword [ebp - 0x14], edi
mov dword [ebp - 0x18], ebx
lea edi, [eax + ebx]
cmp eax, esi
ja 0x4998b1
cmp edi, esi
ja 0x499a73
test ebx, ebx
je 0x4998c0
push ebx
push esi
push eax
call fcn.004bd2f0
add esp, 0xc
mov byte [edi], 0
movzx ebx, byte [ebp - 0x11]
mov eax, dword [ebp - 0x1c]
test bl, bl
mov dword [ebp - 0x3c], eax
mov dword [ebp - 0x38], ebx
jns 0x4998db
mov ebx, dword [ebp - 0x18]
mov edx, eax
jmp 0x4998e1
and ebx, 0x7f
lea edx, [ebp - 0x1c]
mov eax, ebx
mov dword [ebp - 0x24], edx
mov esi, ebx
cmp ebx, 4
jb 0x499926
mov esi, ebx
mov edx, dword [ebp - 0x24]
mov eax, ebx
nop word cs:[eax + eax]
imul ecx, dword [edx], 0x5bd1e995
mov edi, ecx
shr edi, 0x18
xor edi, ecx
imul ecx, edi, 0x5bd1e995
imul eax, eax, 0x5bd1e995
xor eax, ecx
add edx, 4
add esi, 0xfffffffc
cmp esi, 3
ja 0x499900
mov ecx, dword [ebp + 8]
cmp esi, 1
je 0x49994a
cmp esi, 2
je 0x499941
cmp esi, 3
jne 0x499955
movzx esi, byte [edx + 2]
shl esi, 0x10
xor eax, esi
movzx esi, byte [edx + 1]
shl esi, 8
xor eax, esi
movzx edx, byte [edx]
xor edx, eax
imul eax, edx, 0x5bd1e995
mov ecx, dword [ecx + 4]
xor esi, esi
test ecx, ecx
jne 0x499988
cmp byte [ebp - 0x38], 0
jns 0x49996f
push dword [ebp - 0x3c]
call fcn.004ba1ee
add esp, 4
test esi, esi
setne bl
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.004babe3
mov eax, ebx
add esp, 0x30
pop esi
pop edi
pop ebx
pop ebp
ret
mov edx, eax
shr edx, 0xd
xor edx, eax
imul eax, edx, 0x5bd1e995
mov edi, eax
shr edi, 0xf
xor edi, eax
mov edx, ecx
shr edx, 1
and edx, 0x55555555
mov dword [ebp - 0x20], ecx
mov eax, ecx
sub eax, edx
mov edx, 0x33333333
mov ecx, eax
and ecx, edx
shr eax, 2
and eax, edx
add eax, ecx
mov ecx, eax
shr ecx, 4
add ecx, eax
and ecx, 0xf0f0f0f
imul eax, ecx, 0x1010101
shr eax, 0x18
mov dword [ebp - 0x34], eax
cmp eax, 1
jbe 0x499b08
mov edx, edi
mov eax, dword [ebp - 0x20]
cmp edi, eax
mov ecx, edi
mov edi, eax
jb 0x4999f2
mov eax, ecx
xor edx, edx
div edi
mov eax, dword [ebp + 8]
mov eax, dword [eax]
mov eax, dword [eax + edx*4]
test eax, eax
je 0x49995e
mov dword [ebp - 0x30], edx
mov edx, dword [eax]
test edx, edx
je 0x49995e
lea eax, [edi - 1]
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x2c], ecx
mov eax, dword [edx + 4]
cmp ecx, eax
mov dword [ebp - 0x20], edx
je 0x499a91
cmp dword [ebp - 0x34], 1
jbe 0x499b19
cmp eax, edi
jb 0x499a36
xor edx, edx
div edi
mov eax, edx
cmp eax, dword [ebp - 0x30]
jne 0x499a4e
mov edx, dword [ebp - 0x20]
mov edx, dword [edx]
xor esi, esi
test edx, edx
mov ecx, dword [ebp - 0x2c]
jne 0x499a18
jmp 0x49995e
xor esi, esi
jmp 0x49995e
push str.basic_string_const_char__detected_nullptr
push str.__s___nullptr
push 0x368
push str....._buildtools_third_partylibc_trunkinclude_string
push str._s:_d:_assertion__s_failed:__s
call fcn.004e9750
push str.char_traits::copy_overlapped_range
push str.__s2_____s1____s2_____s1__n
push 0xec
push str....._buildtools_third_partylibc_trunkinclude__stringchar_traits.h
push str._s:_d:_assertion__s_failed:__s
call fcn.004e9750
movzx edx, byte [edx + 0x13]
mov eax, edx
and eax, 0x7f
mov ecx, eax
test dl, dl
jns 0x499aa6
mov ecx, dword [ebp - 0x20]
mov ecx, dword [ecx + 0xc]
cmp ecx, ebx
jne 0x499a3b
mov ecx, dword [ebp - 0x20]
add ecx, 8
test dl, dl
jns 0x499ab6
mov ecx, dword [ecx]
mov esi, dword [ebp - 0x20]
js 0x499ae2
test al, al
je 0x49995e
xor ecx, ecx
mov dl, byte [esi + ecx + 8]
mov esi, dword [ebp - 0x24]
cmp dl, byte [esi + ecx]
jne 0x499a3b
inc ecx
cmp eax, ecx
mov esi, dword [ebp - 0x20]
jne 0x499ac5
jmp 0x49995e
test ebx, ebx
je 0x499afb
push ebx
push dword [ebp - 0x24]
push ecx
call fcn.004bc3dd
add esp, 0xc
test eax, eax
jne 0x499a3b
mov esi, dword [ebp - 0x20]
jmp 0x49995e
call fcn.004cc3d0
mov eax, dword [ebp - 0x20]
lea edx, [eax - 1]
and edx, edi
mov ecx, edi
mov edi, eax
jmp 0x4999f2
and eax, dword [ebp - 0x28]
jmp 0x499a36