Function at 0x54df30
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff8
sub esp, 0xf8
mov edi, dword [ebp + 0x14]
mov ecx, dword [ebp + 0x10]
mov eax, dword [0x64a040]
xor eax, ebp
mov dword [esp + 0xf0], eax
cmp ecx, edi
jg 0x54e65f
mov al, 1
mov dword [esp], eax
mov eax, edi
mov edi, ecx
mov esi, dword [ebp + 0x18]
test edi, edi
jle 0x54e510
cmp eax, 0x7fffffff
je 0x54e655
mov ebx, eax
mov edx, dword [ebp + 0xc]
mov ecx, dword [ebp + 8]
cmp esi, 0x3eb
jae 0x54e595
cmp ebx, edi
je 0x54e66d
cmp esi, 3
jb 0x54e609
mov eax, ebx
sub eax, edi
add eax, 2
cmp esi, eax
ja 0x54e609
cmp byte [esp], 0
je 0x54e609
mov dword [esp + 0x24], 0x6282cc
mov dword [esp + 0x28], ecx
mov dword [esp + 0x2c], edx
mov dword [esp + 0x30], 0
mov dword [esp + 0x34], edi
mov dword [esp + 0x38], ebx
mov dword [esp + 0x3c], esi
mov eax, dword [ebp + 0x1c]
mov dword [esp + 0x40], eax
push edx
push ecx
call fcn.00542500
add esp, 8
mov esi, eax
test eax, eax
je 0x54e103
mov ebx, dword [esp + 0x30]
mov eax, dword [esi]
mov edi, dword [eax + 0xc]
xor eax, eax
cmp edi, fcn.0057b630
je 0x54e016
mov ecx, edi
call dword [0x6445dc]
mov ecx, esi
call edi
mov dword [esp], esi
cmp ebx, eax
jne 0x54e61b
mov ebx, dword [esp + 0x3c]
test ebx, ebx
je 0x54e08d
mov esi, dword [esp + 0x34]
mov eax, dword [esp + 0x38]
mov dword [esp + 4], eax
mov ecx, dword [esp]
mov eax, dword [ecx]
mov edi, dword [eax + 0x10]
cmp edi, 0x57b640
jne 0x54e0a6
mov eax, dword [ecx + 0xc]
mov ecx, dword [eax + 0xc]
mov eax, dword [ecx]
mov ecx, dword [ecx + 4]
sub ecx, eax
mov edx, ecx
sar edx, 2
lea edi, [edx - 1]
cmp edi, ebx
mov ebx, dword [esp + 4]
jne 0x54e61b
cmp edi, 2
jb 0x54e67c
cmp edx, 1
jbe 0x54e689
cmp dword [eax + 4], esi
jne 0x54e61b
mov eax, dword [eax + ecx - 8]
cmp eax, ebx
jne 0x54e61b
mov ecx, dword [esp + 0xf0]
xor ecx, ebp
call fcn.005810d5
mov eax, dword [esp]
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret
mov ecx, edi
call dword [0x6445dc]
mov ecx, dword [esp]
push ebx
push dword [esp + 8]
push esi
call edi
test al, al
jne 0x54e08d
jmp 0x54e61b
mov byte [eax + 2], 0
mov word [eax], 0
jmp 0x54e0ec
cmp ecx, 0x3f
je 0x54e0ec
add eax, esi
cmp ecx, 0x3c
je 0x54e0c2
mov edx, 0x3f
sub edx, ecx
push edx
push 0
push eax
call fcn.00582870
add esp, 0xc
lea eax, [esp + 0x48]
push 1
push esi
push eax
call fcn.004f3300
add esp, 0xc
xor eax, eax
jmp 0x54e190
mov edi, dword [esp + 0x28]
mov ebx, dword [esp + 0x2c]
xorps xmm0, xmm0
lea esi, [esp + 0x60]
movups xmmword [esi + 0x34], xmm0
movups xmmword [esi + 0x28], xmm0
movups xmmword [esi + 0x18], xmm0
movups xmmword [esi + 8], xmm0
movups xmmword [esi - 8], xmm0
movapd xmm0, xmmword [0x6354d0]
movupd xmmword [esi - 0x18], xmm0
test ebx, ebx
je 0x54e168
lea eax, [ebx*8]
mov ecx, ebx
shr ecx, 0x1d
mov dword [esp + 0x5c], ecx
mov dword [esp + 0x58], eax
cmp ebx, 0x40
jae 0x54e4b2
mov eax, ebx
mov dword [esp + 0xa0], eax
push eax
push edi
push esi
call fcn.005822f0
add esp, 0xc
mov ecx, dword [esp + 0xa0]
mov eax, dword [esp + 0x58]
mov dword [esp], eax
mov ebx, dword [esp + 0x5c]
mov byte [esp + ecx + 0x60], 0x80
lea eax, [ecx + 1]
cmp eax, 0x39
jae 0x54e0cd
cmp eax, 0x38
je 0x54e1a5
mov ecx, 0x38
sub ecx, eax
add eax, esi
push ecx
push 0
push eax
call fcn.00582870
add esp, 0xc
lea edi, [esp + 0x48]
mov eax, dword [esp]
mov dword [edi + 0x50], eax
mov dword [edi + 0x54], ebx
push 1
push esi
push edi
call fcn.004f3300
add esp, 0xc
mov ebx, dword [edi]
mov edi, dword [0x65071c]
cmp edi, 1
jbe 0x54e5da
push edi
call dword [sym.imp.KERNEL32.dll_TryAcquireSRWLockExclusive]
test al, al
je 0x54e589
mov eax, dword [0x650724]
test eax, eax
je 0x54e1f2
mov esi, dword [eax + 0x50]
test esi, esi
jne 0x54e6a2
push edi
call dword [sym.imp.KERNEL32.dll_ReleaseSRWLockExclusive]
mov eax, dword [esp + 0x24]
mov esi, dword [eax]
cmp esi, 0x5735c0
je 0x54e2d7
mov ecx, esi
call dword [0x6445dc]
lea ecx, [esp + 0x24]
call esi
push eax
call fcn.0050d310
add esp, 4
mov esi, eax
cmp dword [esp + 0x3c], 0
je 0x54e541
mov dword [esp + 0x48], 0
mov edi, dword [0x65b068]
test edi, edi
je 0x54e4db
lea ebx, [esp + 0x44]
mov ecx, edi
lea eax, [esp + 0x48]
push eax
push dword [esp + 0x44]
push esi
push dword [esp + 0x44]
push dword [esp + 0x44]
push dword [esp + 0x40]
push dword [esp + 0x40]
push dword [esp + 0x4c]
push ebx
call fcn.0050e2a0
mov ebx, dword [ebx]
test ebx, ebx
je 0x54e4db
mov eax, dword [esp + 0x24]
mov esi, dword [eax + 8]
cmp esi, 0x502040
je 0x54e29f
cmp esi, fcn.00402610
je 0x54e2cb
mov ecx, esi
call dword [0x6445dc]
lea ecx, [esp + 0x24]
push ebx
call esi
push ebx
call fcn.0050d8b0
add esp, 4
mov esi, eax
mov eax, dword [esp + 0x48]
test eax, eax
je 0x54dff7
xor edx, edx
cmp esi, ebx
sete dl
mov ecx, edi
push edx
push eax
call fcn.00567ef0
jmp 0x54dff7
lea ecx, [esp + 0x24]
push ebx
call fcn.00402610
jmp 0x54e29f
push 0x14
call fcn.0057dc30
add esp, 4
mov esi, eax
mov eax, dword [esp + 0x3c]
inc eax
mov ecx, esi
push eax
call fcn.0050e220
xorps xmm0, xmm0
cvtsi2sd xmm0, dword [esp + 0x38]
sub esp, 8
movsd qword [esp], xmm0
call fcn.005aaa00
add esp, 8
fstp qword [esp + 0x18]
mov eax, dword [esi]
mov ecx, dword [esi + 4]
sub ecx, eax
cmp ecx, 4
jbe 0x54e646
movsd xmm0, qword [esp + 0x18]
movsd qword [esp + 8], xmm0
mov ebx, dword [esp + 0x34]
mov dword [eax + 4], ebx
mov ecx, dword [esi]
mov eax, dword [esi + 4]
mov edi, eax
sub edi, ecx
sar edi, 2
lea edx, [edi - 1]
cmp edx, 3
mov dword [esp + 4], esi
jb 0x54e40e
add edi, 0xfffffffd
mov esi, 2
nop word cs:[eax + eax]
xorps xmm0, xmm0
cvtsi2sd xmm0, ebx
sub esp, 8
movsd qword [esp], xmm0
call fcn.005aaa00
add esp, 8
fstp qword [esp + 0x48]
lea eax, [esp + 0x48]
push eax
call fcn.00505000
add esp, 4
mov eax, dword [esp + 4]
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [esp], ecx
sub eax, ecx
sar eax, 2
cmp eax, esi
jbe 0x54e646
movsd xmm0, qword [esp + 0x48]
movsd xmm1, qword [esp + 8]
subsd xmm1, xmm0
movd xmm2, edi
por xmm2, xmmword [0x62d130]
subsd xmm2, qword [0x62d140]
divsd xmm1, xmm2
addsd xmm1, xmm0
sub esp, 8
movsd qword [esp], xmm1
call fcn.005aaa50
fstp qword [esp]
call fcn.005aa9ad
add esp, 8
fstp qword [esp + 0x10]
cvttsd2si eax, qword [esp + 0x10]
cmp ebx, eax
lea ebx, [ebx + 1]
cmovl ebx, eax
mov eax, dword [esp]
mov dword [eax + esi*4], ebx
inc esi
dec edi
jne 0x54e360
mov esi, dword [esp + 4]
mov ecx, dword [esi]
mov eax, dword [esi + 4]
cmp eax, ecx
je 0x54e646
mov dword [eax - 4], 0x7fffffff
mov eax, esi
mov esi, dword [esi]
mov eax, dword [eax + 4]
mov edi, eax
sub edi, esi
je 0x54e698
js 0x54e69f
mov ecx, edi
shr ecx, 2
mov edx, esi
and edi, 3
jne 0x54e522
sub esi, eax
cmp esi, 0xfffffffc
ja 0x54e4a6
mov esi, 0xff
movzx edi, byte [edx]
mov ebx, ecx
and ebx, esi
xor ebx, edi
shr ecx, 8
xor ecx, dword [ebx*4 + 0x636878]
movzx edi, byte [edx + 1]
mov ebx, ecx
and ebx, esi
xor ebx, edi
shr ecx, 8
xor ecx, dword [ebx*4 + 0x636878]
movzx edi, byte [edx + 2]
mov ebx, ecx
and ebx, esi
xor ebx, edi
shr ecx, 8
xor ecx, dword [ebx*4 + 0x636878]
movzx edi, byte [edx + 3]
mov ebx, ecx
and ebx, esi
xor ebx, edi
shr ecx, 8
xor ecx, dword [ebx*4 + 0x636878]
add edx, 4
cmp edx, eax
jne 0x54e450
mov eax, dword [esp + 4]
mov dword [eax + 0xc], ecx
jmp 0x54e219
mov eax, ebx
shr eax, 6
lea ecx, [esp + 0x48]
push eax
push edi
push ecx
call fcn.004f3300
add esp, 0xc
mov eax, ebx
and eax, 0x3f
je 0x54e168
and ebx, 0xffffffc0
add edi, ebx
jmp 0x54e156
lea eax, [esp + 0x24]
and byte [eax + 0x1c], 0xbf
mov eax, dword [eax]
mov ebx, dword [eax + 4]
mov ecx, ebx
call dword [0x6445dc]
lea eax, [esp + 0x44]
lea ecx, [esp + 0x24]
push esi
mov esi, eax
push eax
call ebx
mov ebx, dword [esi]
lea eax, [esp + 0x24]
mov eax, dword [eax + 0x1c]
lock or dword [ebx + 8], eax
jmp 0x54e279
xor edi, edi
inc edi
mov ebx, edi
test eax, eax
jg 0x54df6f
jmp 0x54df7c
movzx ebx, byte [edx]
mov dword [esp], ebx
movzx ebx, cl
xor ebx, dword [esp]
shr ecx, 8
xor ecx, dword [ebx*4 + 0x636878]
inc edx
dec edi
jne 0x54e522
jmp 0x54e444
mov eax, dword [esi + 4]
sub eax, dword [esi]
sar eax, 2
lea ecx, [eax - 1]
mov dword [esp + 0x3c], ecx
mov ecx, dword [esi]
mov edx, dword [esi + 4]
sub edx, ecx
cmp edx, 4
jbe 0x54e689
mov ecx, dword [ecx + 4]
mov dword [esp + 0x34], ecx
lea edx, [eax - 2]
mov ecx, dword [esi]
mov edi, dword [esi + 4]
sub edi, ecx
sar edi, 2
cmp edi, edx
jbe 0x54e689
mov eax, dword [ecx + eax*4 - 8]
mov dword [esp + 0x38], eax
jmp 0x54e22f
push edi
call dword [sym.imp.KERNEL32.dll_AcquireSRWLockExclusive]
jmp 0x54e1de
push edx
push ecx
mov esi, edx
call fcn.00540c00
add esp, 8
push eax
push str.Histogram.TooManyBuckets.1000
call fcn.00510d30
add esp, 8
push 0
push 0x10
push str.Blink.UseCounter
push esi
push dword [ebp + 8]
call fcn.0054b930
add esp, 0x14
test al, al
je 0x54e6da
mov esi, dword [ebp + 0x18]
mov ecx, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
jmp 0x54df8e
push 0x65071c
call fcn.0040bbb0
add esp, 4
test al, al
je 0x54e6cf
mov dword [0x650720], 0
mov edi, 0x650720
mov dword [0x65071c], edi
jmp 0x54e1cf
push edx
push ecx
call fcn.00540c00
add esp, 8
push eax
push str.Histogram.BadConstructionArguments
jmp 0x54e631
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call fcn.00540c00
add esp, 8
push eax
push str.Histogram.MismatchedConstructionArguments
call fcn.00510d30
add esp, 8
call fcn.005e9340
mov dword [esp], eax
jmp 0x54e08d
push str....._third_partylibc_srcinclude_vector:1411:_assertion___n___size___failed:_vector___index_out_of_bounds_n
push 0x62a183
call fcn.005aacb0
mov ebx, 0x7ffffffe
jmp 0x54df7c
mov dword [esp], 0
mov eax, ecx
jmp 0x54df64
lea ebx, [edi + 1]
mov dword [esp], 0
jmp 0x54df96
cmp esi, 0xffffffff
jne 0x54e61b
xor eax, eax
dec eax
jmp 0x54e085
push str....._third_partylibc_srcinclude_vector:1418:_assertion___n___size___failed:_vector___index_out_of_bounds_n
push 0x62a183
call fcn.005aacb0
xor ecx, ecx
jmp 0x54e4a6
int3
bswap ebx
mov eax, dword [esi]
mov ecx, dword [eax + 4]
mov dword [esp], ecx
call dword [0x6445dc]
mov ecx, esi
push ebx
call dword [esp + 4]
mov ebx, eax
push edi
call dword [sym.imp.KERNEL32.dll_ReleaseSRWLockExclusive]
test bl, bl
jne 0x54e1f9
jmp 0x54e639
mov edi, dword [0x65071c]
jmp 0x54e1cf
push 0
push 0x14
push str.PageLoad.Clients.Ads
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.0054b930
add esp, 0x14
test al, al
jne 0x54e5cc
mov esi, 0x66
push 2
call fcn.00557ce0
add esp, 4
test al, al
jne 0x54e718
mov dword [esp], 0
jmp 0x54e5cf
lea ecx, [esp + 0x48]
push 2
push 0x1bf
push str.histogram.cc
call fcn.0040ca50
lea eax, [esp + 0x50]
push 0xb
push str.Histogram:
push eax
call fcn.00545ec0
add esp, 0xc
mov ecx, dword [ebp + 0xc]
push ecx
mov ecx, dword [ebp + 8]
push ecx
push eax
call fcn.00545ec0
add esp, 0xc
push 0x1c
push str._has_too_many_bucket_count:
push eax
call fcn.00545ec0
add esp, 0xc
mov ecx, eax
push dword [ebp + 0x18]
call fcn.00464a90
lea ecx, [esp + 0x48]
call fcn.0040b060
mov edx, dword [ebp + 0xc]
mov ecx, dword [ebp + 8]
mov dword [esp], 0
jmp 0x54df8e