Function at 0x4c45b0
Capabilities:
Authenticate hmac
Encode data using xor
Resolve function by parsing pe exports

Disassembly:
mov eax, 0x32c
call fcn.004d3ef0
mov eax, dword [0x53bd24]
xor eax, esp
mov dword [esp + 0x328], eax
cmp dword [esp + 0x348], 0x100000
mov eax, dword [esp + 0x334]
mov ecx, dword [esp + 0x33c]
mov edx, dword [esp + 0x340]
push ebx
mov ebx, dword [esp + 0x334]
push ebp
push esi
mov esi, dword [esp + 0x344]
mov dword [esp + 0x5c], eax
mov eax, dword [esp + 0x358]
mov ebp, 8
push edi
mov dword [esp + 0x70], ebx
mov dword [esp + 0x50], esi
mov dword [esp + 0x44], ecx
mov dword [esp + 0x48], edx
mov dword [esp + 0x4c], eax
mov edi, 0x40
mov dword [esp + 0x40], 0x28
mov dword [esp + 0x24], ebp
mov byte [esp + 0x12], 1
jb 0x4c464d
push str.data_plus_mac_plus_padding_size___1024__1024
push 0x1c7
push str.._ssl_s3_cbc.c
call fcn.00439b40
add esp, 0xc
push ebx
call fcn.0043b0c0
push eax
call fcn.0042e6a0
add esp, 8
cmp eax, 0x2a0
jg 0x4c4727
je 0x4c46f2
cmp eax, 4
je 0x4c46b0
cmp eax, 0x40
jne 0x4c473c
lea ecx, [esp + 0x90]
push ecx
call fcn.00457fd0
add esp, 4
test eax, eax
jle 0x4c4d85
mov dword [esp + 0x28], 0x4c4370
mov dword [esp + 0x14], 0x4596a0
mov dword [esp + 0x18], 0x14
jmp 0x4c47f7
lea edx, [esp + 0x90]
push edx
call fcn.00433d90
add esp, 4
test eax, eax
jle 0x4c4d85
mov dword [esp + 0x28], 0x4c42e0
mov dword [esp + 0x14], 0x4347f0
mov dword [esp + 0x18], 0x10
mov dword [esp + 0x40], 0x30
mov byte [esp + 0x12], 0
jmp 0x4c47f7
lea eax, [esp + 0x90]
push eax
call fcn.00459870
add esp, 4
test eax, eax
jle 0x4c4d85
mov dword [esp + 0x28], 0x4c4420
mov dword [esp + 0x14], 0x45aa60
mov dword [esp + 0x18], 0x20
jmp 0x4c47f7
sub eax, 0x2a1
je 0x4c47b6
sub eax, 1
je 0x4c4798
sub eax, 1
je 0x4c4766
push 0x4f7024
push 0x209
push str.._ssl_s3_cbc.c
call fcn.00439b40
add esp, 0xc
test esi, esi
je 0x4c4d85
mov dword [esi], 0
jmp 0x4c4d85
lea ecx, [esp + 0x90]
push ecx
call fcn.00459810
add esp, 4
test eax, eax
jle 0x4c4d85
mov dword [esp + 0x28], 0x4c4420
mov dword [esp + 0x14], 0x45aa60
mov dword [esp + 0x18], 0x1c
jmp 0x4c47f7
lea edx, [esp + 0x90]
push edx
call fcn.0045ae00
add esp, 4
test eax, eax
jle 0x4c4d85
mov dword [esp + 0x18], edi
jmp 0x4c47d6
lea eax, [esp + 0x90]
push eax
call fcn.0045ad60
add esp, 4
test eax, eax
jle 0x4c4d85
mov dword [esp + 0x18], 0x30
mov dword [esp + 0x24], 0x10
mov ebp, dword [esp + 0x24]
mov edi, 0x80
mov dword [esp + 0x14], 0x45bac0
mov dword [esp + 0x28], 0x4c4520
mov bl, byte [esp + 0x364]
mov dword [esp + 0x34], 0xd
test bl, bl
je 0x4c481d
mov ecx, dword [esp + 0x360]
mov edx, dword [esp + 0x40]
lea eax, [edx + ecx + 0xb]
mov dword [esp + 0x34], eax
mov eax, dword [esp + 0x358]
xor ecx, ecx
test bl, bl
sete cl
lea ecx, [ecx*4 + 2]
mov dword [esp + 0x30], ecx
mov ecx, dword [esp + 0x34]
sub ecx, dword [esp + 0x18]
lea edx, [ecx + ebp]
add edx, edi
lea eax, [edx + eax - 1]
xor edx, edx
div edi
mov edx, dword [esp + 0x354]
add ecx, edx
xor edx, edx
mov esi, eax
xor eax, eax
mov dword [esp + 0x20], eax
mov dword [esp + 0x2c], eax
mov eax, ecx
div edi
mov dword [esp + 0x38], edx
xor edx, edx
mov dword [esp + 0x54], eax
lea eax, [ecx + ebp]
div edi
xor edx, edx
test bl, bl
setne dl
mov dword [esp + 0x64], eax
mov eax, dword [esp + 0x30]
add edx, eax
cmp esi, edx
jbe 0x4c4899
sub esi, eax
mov eax, esi
mov dword [esp + 0x20], eax
imul eax, edi
mov dword [esp + 0x2c], eax
cmp byte [esp + 0x364], 0
lea ebx, [ecx*8]
jne 0x4c4938
push edi
lea eax, [esp + 0x1bc]
push 0
push eax
lea ebx, [ebx + edi*8]
call fcn.004d1130
mov esi, dword [esp + 0x36c]
add esp, 0xc
cmp esi, 0x80
jbe 0x4c48ea
push str.mac_secret_length___sizeof_hmac_pad_
push 0x271
push str.._ssl_s3_cbc.c
call fcn.00439b40
add esp, 0xc
mov ecx, dword [esp + 0x4c]
push esi
push ecx
lea edx, [esp + 0x1c0]
push edx
call fcn.004d11b0
add esp, 0xc
xor eax, eax
test edi, edi
jbe 0x4c491d
jmp 0x4c4910
xor byte [esp + eax + 0x1b8], 0x36
inc eax
cmp eax, edi
jb 0x4c4910
mov esi, dword [esp + 0x14]
lea eax, [esp + 0x1b8]
push eax
lea ecx, [esp + 0x94]
push ecx
call esi
add esp, 8
jmp 0x4c493c
mov esi, dword [esp + 0x14]
cmp byte [esp + 0x12], 0
je 0x4c497d
lea edx, [ebp - 4]
push edx
lea eax, [esp + 0x16c]
push 0
push eax
call fcn.004d1130
lea ebp, [esp + ebp + 0x174]
mov ecx, ebx
mov edx, ebx
shr ecx, 0x18
shr edx, 0x10
mov eax, ebx
add esp, 0xc
shr eax, 8
mov byte [ebp - 4], cl
mov byte [ebp - 3], dl
mov byte [ebp - 2], al
mov byte [ebp - 1], bl
jmp 0x4c49b2
push ebp
lea ecx, [esp + 0x16c]
push 0
push ecx
call fcn.004d1130
lea ebp, [esp + ebp + 0x174]
mov edx, ebx
mov eax, ebx
shr edx, 0x18
shr eax, 0x10
mov ecx, ebx
add esp, 0xc
shr ecx, 8
mov byte [ebp - 5], dl
mov byte [ebp - 6], al
mov byte [ebp - 7], cl
mov byte [ebp - 8], bl
mov ebp, dword [esp + 0x2c]
test ebp, ebp
jbe 0x4c4adc
cmp byte [esp + 0x364], 0
je 0x4c4a5f
mov esi, dword [esp + 0x34]
cmp esi, edi
jbe 0x4c4d85
mov ebx, dword [esp + 0x44]
mov ebp, dword [esp + 0x14]
lea edx, [esp + 0x90]
push ebx
push edx
sub esi, edi
call ebp
push esi
add ebx, edi
lea eax, [esp + 0x244]
push ebx
push eax
call fcn.004d11b0
mov ebx, dword [esp + 0x5c]
mov ecx, edi
sub ecx, esi
push ecx
lea edx, [esp + esi + 0x250]
push ebx
push edx
call fcn.004d11b0
lea eax, [esp + 0x258]
push eax
lea ecx, [esp + 0xb4]
push ecx
call ebp
mov eax, dword [esp + 0x54]
xor edx, edx
div edi
add esp, 0x28
dec eax
cmp eax, 1
jbe 0x4c4adc
sub ebx, esi
add ebx, edi
lea esi, [eax - 1]
lea edx, [esp + 0x90]
push ebx
push edx
call dword [esp + 0x1c]
add esp, 8
add ebx, edi
sub esi, 1
jne 0x4c4a43
jmp 0x4c4adc
mov eax, dword [esp + 0x44]
mov ecx, dword [eax]
mov edx, dword [eax + 4]
mov ebx, dword [esp + 0x48]
mov dword [esp + 0x238], ecx
mov ecx, dword [eax + 8]
mov dword [esp + 0x23c], edx
mov dl, byte [eax + 0xc]
lea eax, [edi - 0xd]
push eax
mov dword [esp + 0x244], ecx
lea ecx, [esp + 0x249]
push ebx
push ecx
mov byte [esp + 0x250], dl
call fcn.004d11b0
lea edx, [esp + 0x244]
push edx
lea eax, [esp + 0xa0]
push eax
call esi
xor edx, edx
mov eax, ebp
div edi
add esp, 0x14
cmp eax, 1
jbe 0x4c4adc
lea ebx, [ebx + edi - 0xd]
lea ebp, [eax - 1]
lea ecx, [esp + 0x90]
push ebx
push ecx
call esi
add esp, 8
add ebx, edi
sub ebp, 1
jne 0x4c4ac7
push 0x40
lea edx, [esp + 0x17c]
push 0
push edx
call fcn.004d1130
mov esi, dword [esp + 0x2c]
mov eax, dword [esp + 0x3c]
mov ecx, esi
add eax, ecx
add esp, 0xc
mov dword [esp + 0x3c], esi
mov dword [esp + 0x68], eax
cmp ecx, eax
ja 0x4c4cc8
jmp 0x4c4b14
mov esi, dword [esp + 0x3c]
mov ecx, esi
xor ecx, dword [esp + 0x54]
xor esi, dword [esp + 0x64]
lea eax, [ecx - 1]
not ecx
shr ecx, 0x1f
shr eax, 0x1f
and al, cl
mov ecx, esi
lea ebx, [esi - 1]
shr ebx, 0x1f
not ecx
shr ecx, 0x1f
and bl, cl
neg al
neg bl
xor esi, esi
mov byte [esp + 0x1f], al
mov byte [esp + 0x13], bl
test edi, edi
jbe 0x4c4c5f
mov ecx, dword [esp + 0x38]
movzx ebp, al
lea edx, [ecx + 1]
shr edx, 0x1f
not bl
or bl, al
mov dword [esp + 0x5c], ebp
mov ebp, dword [esp + 0x38]
mov dword [esp + 0x6c], edx
mov edx, dword [esp + 0x24]
mov eax, edi
sub eax, dword [esp + 0x24]
shr ecx, 0x1f
neg ebp
sub edx, edi
mov dword [esp + 0x74], eax
lea eax, [esp + edx + 0x168]
mov dword [esp + 0x30], ecx
mov byte [esp + 0x1e], bl
mov dword [esp + 0x20], eax
jmp 0x4c4ba4
mov ecx, dword [esp + 0x30]
mov eax, dword [esp + 0x2c]
mov edx, dword [esp + 0x34]
mov byte [esp + 0x12], 0
cmp eax, edx
jae 0x4c4bbe
mov edx, dword [esp + 0x44]
mov dl, byte [edx + eax]
jmp 0x4c4bd4
mov ebx, dword [esp + 0x358]
add ebx, edx
cmp eax, ebx
jae 0x4c4bd8
mov ebx, dword [esp + 0x48]
sub ebx, edx
mov dl, byte [ebx + eax]
mov byte [esp + 0x12], dl
inc eax
mov dword [esp + 0x2c], eax
mov edx, esi
shr edx, 0x1f
mov bl, dl
xor bl, cl
mov eax, ebp
shr eax, 0x1f
xor al, cl
or al, bl
mov ebx, dword [esp + 0x38]
xor al, dl
dec al
movzx ecx, al
and ecx, dword [esp + 0x5c]
inc ebx
mov eax, esi
sub eax, ebx
mov bl, byte [esp + 0x6c]
shr eax, 0x1f
xor al, bl
xor bl, dl
or al, bl
mov bl, byte [esp + 0x13]
xor al, dl
dec al
and al, byte [esp + 0x1f]
mov dl, cl
not dl
and dl, byte [esp + 0x12]
and cl, 0x80
not al
or dl, cl
and al, dl
and al, byte [esp + 0x1e]
cmp esi, dword [esp + 0x74]
jb 0x4c4c4a
movzx ecx, bl
mov dl, cl
not dl
and dl, al
mov eax, dword [esp + 0x20]
mov al, byte [eax]
and al, cl
or al, dl
inc dword [esp + 0x20]
mov byte [esp + esi + 0x2b8], al
inc esi
inc ebp
cmp esi, edi
jb 0x4c4ba0
lea ecx, [esp + 0x2b8]
push ecx
lea edx, [esp + 0x94]
push edx
call dword [esp + 0x1c]
lea eax, [esp + 0x2c0]
push eax
lea ecx, [esp + 0x9c]
push ecx
call dword [esp + 0x38]
mov esi, dword [esp + 0x28]
add esp, 0x10
xor eax, eax
test esi, esi
jbe 0x4c4cb5
jmp 0x4c4ca0
mov dl, byte [esp + eax + 0x2b8]
and dl, bl
or byte [esp + eax + 0x178], dl
inc eax
cmp eax, esi
jb 0x4c4ca0
mov eax, dword [esp + 0x3c]
inc eax
mov dword [esp + 0x3c], eax
cmp eax, dword [esp + 0x68]
jbe 0x4c4b10
lea eax, [esp + 0x78]
push eax
call fcn.00439c70
mov ecx, dword [esp + 0x74]
mov edx, dword [ecx]
push 0
push edx
lea eax, [esp + 0x84]
push eax
call fcn.00439cc0
add esp, 0x10
test eax, eax
jle 0x4c4d78
cmp byte [esp + 0x364], 0
je 0x4c4da0
mov esi, dword [esp + 0x40]
push esi
lea ecx, [esp + 0x1bc]
push 0x5c
push ecx
call fcn.004d1130
mov edx, dword [esp + 0x36c]
mov eax, dword [esp + 0x58]
push edx
push eax
lea ecx, [esp + 0x8c]
push ecx
call fcn.00439e70
add esp, 0x18
test eax, eax
jle 0x4c4d78
push esi
lea edx, [esp + 0x1bc]
push edx
lea eax, [esp + 0x80]
push eax
call fcn.00439e70
add esp, 0xc
test eax, eax
jle 0x4c4d78
mov ecx, dword [esp + 0x18]
push ecx
lea edx, [esp + 0x17c]
push edx
lea eax, [esp + 0x80]
push eax
call fcn.00439e70
add esp, 0xc
test eax, eax
jg 0x4c4dff
lea eax, [esp + 0x78]
push eax
call fcn.00439f00
add esp, 4
xor eax, eax
mov ecx, dword [esp + 0x338]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004cf1f2
add esp, 0x32c
ret
xor eax, eax
test edi, edi
jbe 0x4c4dbd
jmp 0x4c4db0
xor byte [esp + eax + 0x1b8], 0x6a
inc eax
cmp eax, edi
jb 0x4c4db0
push edi
lea ecx, [esp + 0x1bc]
push ecx
lea edx, [esp + 0x80]
push edx
call fcn.00439e70
add esp, 0xc
test eax, eax
jle 0x4c4d78
mov eax, dword [esp + 0x18]
push eax
lea ecx, [esp + 0x17c]
push ecx
lea edx, [esp + 0x80]
push edx
call fcn.00439e70
add esp, 0xc
test eax, eax
jle 0x4c4d78
mov ecx, dword [esp + 0x60]
lea eax, [esp + 0x58]
push eax
push ecx
lea edx, [esp + 0x80]
push edx
call fcn.00439fe0
mov eax, dword [esp + 0x5c]
add esp, 0xc
test eax, eax
je 0x4c4e27
mov ecx, dword [esp + 0x58]
mov dword [eax], ecx
lea edx, [esp + 0x78]
push edx
call fcn.00439f00
add esp, 4
mov eax, 1
jmp 0x4c4d87