Function at 0x4bd7b0
Capabilities:
Authenticate hmac
Encode data using xor
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff0
mov eax, 0x364
call fcn.0053f090
mov eax, dword [0x5ef2a0]
xor eax, esp
mov dword [esp + 0x360], eax
mov eax, dword [ebp + 8]
mov dword [esp + 0x54], eax
mov eax, dword [ebp + 0xc]
push ebx
mov ebx, dword [ebp + 0x20]
mov dword [esp + 0x74], eax
mov eax, dword [ebp + 0x14]
mov dword [esp + 0x44], eax
mov eax, dword [ebp + 0x18]
mov dword [esp + 0x34], eax
mov eax, dword [ebp + 0x24]
mov dword [esp + 0x60], eax
mov dword [esp + 0x5c], 0x28
mov dword [esp + 0x18], 8
mov byte [esp + 0x13], 1
push esi
mov esi, dword [ebp + 0x10]
mov dword [esp + 0x6c], esi
push edi
mov edi, 0x40
mov dword [esp + 0x58], edi
cmp ebx, 0x100000
jb 0x4bd83b
push str.data_plus_mac_plus_padding_size___1024__1024
push 0x1c7
push str.._ssl_s3_cbc.c
call fcn.004c6320
add esp, 0xc
push dword [esp + 0x60]
call fcn.004fd850
push eax
call fcn.004d8bb0
add esp, 8
cmp eax, 0x2a0
jg 0x4bd910
je 0x4bd8de
cmp eax, 4
je 0x4bd89e
cmp eax, 0x40
jne 0x4bd921
lea eax, [esp + 0xc0]
push eax
call fcn.004e4c40
add esp, 4
test eax, eax
jle 0x4be0a1
mov dword [esp + 0x34], 0x4be480
mov eax, 0x14
mov dword [esp + 0x1c], 0x4e4c80
jmp 0x4bd9e6
lea eax, [esp + 0xc0]
push eax
call fcn.0052b8d0
add esp, 4
test eax, eax
jle 0x4be0a1
mov edx, 0x30
mov dword [esp + 0x34], 0x4be400
mov dword [esp + 0x1c], 0x4e5b20
mov eax, 0x10
mov dword [esp + 0x64], edx
mov byte [esp + 0x1b], 0
jmp 0x4bd9eb
lea eax, [esp + 0xc0]
push eax
call fcn.004e50c0
add esp, 4
test eax, eax
jle 0x4be0a1
mov dword [esp + 0x34], 0x4be520
mov eax, 0x20
mov dword [esp + 0x1c], 0x4e5120
jmp 0x4bd9e6
sub eax, 0x2a1
je 0x4bd9a8
dec eax
je 0x4bd98c
dec eax
je 0x4bd95d
push 0x5940f8
push 0x209
push str.._ssl_s3_cbc.c
call fcn.004c6320
add esp, 0xc
test esi, esi
je 0x4be0a1
mov dword [esi], 0
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x360]
xor ecx, esp
call fcn.0053d5c4
mov esp, ebp
pop ebp
ret
lea eax, [esp + 0xc0]
push eax
call fcn.004e4d80
add esp, 4
test eax, eax
jle 0x4be0a1
mov dword [esp + 0x34], 0x4be520
mov eax, 0x1c
mov dword [esp + 0x1c], 0x4e5120
jmp 0x4bd9e6
lea eax, [esp + 0xc0]
push eax
call fcn.004e5850
add esp, 4
test eax, eax
jle 0x4be0a1
mov eax, edi
jmp 0x4bd9c5
lea eax, [esp + 0xc0]
push eax
call fcn.004e5220
add esp, 4
test eax, eax
jle 0x4be0a1
mov eax, 0x30
mov edi, 0x80
mov dword [esp + 0x20], 0x10
mov dword [esp + 0x58], edi
mov dword [esp + 0x1c], 0x4e5900
mov dword [esp + 0x34], 0x4be610
mov edx, 0x28
cmp byte [ebp + 0x2c], 0
mov ecx, 0xd
mov dword [esp + 0x24], eax
mov dword [esp + 0x54], ecx
je 0x4bda0a
mov ecx, dword [ebp + 0x28]
add ecx, 0xb
add ecx, edx
mov dword [esp + 0x54], ecx
xor edx, edx
mov esi, ecx
cmp byte [ebp + 0x2c], dl
sete dl
sub esi, eax
mov eax, dword [esp + 0x20]
xor ecx, ecx
dec eax
add eax, esi
add esi, dword [ebp + 0x1c]
add eax, edi
lea edx, [edx*4 + 2]
add eax, ebx
mov dword [esp + 0x40], edx
xor edx, edx
xor ebx, ebx
div edi
xor edx, edx
mov dword [esp + 0x30], ebx
mov dword [esp + 0x38], eax
xor eax, eax
mov dword [esp + 0x44], eax
mov eax, esi
div edi
mov dword [esp + 0x6c], eax
mov eax, dword [esp + 0x20]
mov dword [esp + 0x48], edx
add eax, esi
xor edx, edx
div edi
cmp byte [ebp + 0x2c], cl
mov edx, dword [esp + 0x40]
setne cl
mov dword [esp + 0x78], eax
mov eax, dword [esp + 0x38]
add ecx, edx
cmp eax, ecx
jbe 0x4bda84
sub eax, edx
mov ebx, eax
mov dword [esp + 0x44], eax
imul ebx, edi
mov dword [esp + 0x30], ebx
cmp byte [ebp + 0x2c], 0
lea eax, [esi*8]
mov dword [esp + 0x2c], eax
jne 0x4bdb68
lea eax, [eax + edi*8]
push edi
mov dword [esp + 0x30], eax
lea eax, [esp + 0x1ec]
push 0
push eax
call fcn.0053f0c0
mov esi, dword [ebp + 0x28]
add esp, 0xc
cmp esi, 0x80
jbe 0x4bdad5
push str.mac_secret_length___sizeof_hmac_pad_
push 0x271
push str.._ssl_s3_cbc.c
call fcn.004c6320
add esp, 0xc
push esi
push dword [esp + 0x6c]
lea eax, [esp + 0x1f0]
push eax
call fcn.0053da30
add esp, 0xc
xor ecx, ecx
test edi, edi
je 0x4bdb4d
cmp edi, 0x20
jb 0x4bdb36
movdqa xmm1, xmmword [str.6666666666666666jjjjjjjjjjjjjjjj]
mov eax, edi
and eax, 0x1f
mov edx, edi
sub edx, eax
lea eax, [esp + 0x1f8]
lea ecx, [ecx]
movdqu xmm0, xmmword [eax - 0x10]
add ecx, 0x20
lea eax, [eax + 0x20]
pxor xmm0, xmm1
movdqu xmmword [eax - 0x30], xmm0
movdqu xmm0, xmmword [eax - 0x20]
pxor xmm0, xmm1
movdqu xmmword [eax - 0x20], xmm0
cmp ecx, edx
jb 0x4bdb10
cmp ecx, edi
jae 0x4bdb4d
lea ebx, [ebx]
xor byte [esp + ecx + 0x1e8], 0x36
inc ecx
cmp ecx, edi
jb 0x4bdb40
mov esi, dword [esp + 0x1c]
lea eax, [esp + 0x1e8]
push eax
lea eax, [esp + 0xc4]
push eax
call esi
add esp, 8
jmp 0x4bdb6c
mov esi, dword [esp + 0x1c]
cmp byte [esp + 0x1b], 0
je 0x4bdbc2
mov eax, dword [esp + 0x20]
add eax, 0xfffffffc
push eax
lea eax, [esp + 0x19c]
push 0
push eax
call fcn.0053f0c0
mov ecx, dword [esp + 0x38]
add esp, 0xc
mov edx, dword [esp + 0x20]
mov eax, ecx
shr eax, 0x18
mov byte [esp + edx + 0x194], al
mov eax, ecx
shr eax, 0x10
mov byte [esp + edx + 0x195], al
mov eax, ecx
shr eax, 8
mov byte [esp + edx + 0x196], al
mov byte [esp + edx + 0x197], cl
jmp 0x4bdc0b
push dword [esp + 0x20]
lea eax, [esp + 0x19c]
push 0
push eax
call fcn.0053f0c0
mov ecx, dword [esp + 0x38]
add esp, 0xc
mov edx, dword [esp + 0x20]
mov eax, ecx
shr eax, 0x18
mov byte [esp + edx + 0x193], al
mov eax, ecx
shr eax, 0x10
mov byte [esp + edx + 0x192], al
mov eax, ecx
shr eax, 8
mov byte [esp + edx + 0x191], al
mov byte [esp + edx + 0x190], cl
test ebx, ebx
je 0x4bdd35
cmp byte [ebp + 0x2c], 0
je 0x4bdcba
mov esi, dword [esp + 0x54]
cmp esi, edi
jbe 0x4be0a1
push dword [esp + 0x4c]
lea eax, [esp + 0xc4]
sub esi, edi
push eax
mov dword [esp + 0x40], esi
call dword [esp + 0x24]
mov eax, dword [esp + 0x54]
add eax, edi
push esi
push eax
lea eax, [esp + 0x278]
push eax
call fcn.0053da30
mov eax, edi
sub eax, esi
push eax
push dword [esp + 0x54]
lea eax, [esp + 0x284]
add eax, esi
push eax
call fcn.0053da30
lea eax, [esp + 0x288]
push eax
lea eax, [esp + 0xe4]
push eax
call dword [esp + 0x44]
xor edx, edx
mov eax, ebx
div edi
add esp, 0x28
dec eax
cmp eax, 1
jbe 0x4bdd35
mov esi, dword [esp + 0x3c]
lea ebx, [eax - 1]
sub esi, dword [esp + 0x38]
add esi, edi
lea eax, [esp + 0xc0]
push esi
push eax
call dword [esp + 0x24]
add esp, 8
add esi, edi
dec ebx
jne 0x4bdca0
jmp 0x4bdd35
mov ecx, dword [esp + 0x4c]
mov eax, dword [ecx + 8]
movq xmm0, qword [ecx]
mov dword [esp + 0x270], eax
mov al, byte [ecx + 0xc]
mov byte [esp + 0x274], al
lea eax, [edi - 0xd]
push eax
push dword [esp + 0x40]
lea eax, [esp + 0x27d]
movq qword [esp + 0x270], xmm0
push eax
call fcn.0053da30
lea eax, [esp + 0x274]
push eax
lea eax, [esp + 0xd0]
push eax
call esi
xor edx, edx
mov eax, ebx
div edi
add esp, 0x14
cmp eax, 1
jbe 0x4bdd35
mov esi, dword [esp + 0x3c]
lea ebx, [eax - 1]
add esi, 0xfffffff3
add esi, edi
lea eax, [esp + 0xc0]
push esi
push eax
call dword [esp + 0x24]
add esp, 8
add esi, edi
dec ebx
jne 0x4bdd20
push 0x40
lea eax, [esp + 0x1ac]
push 0
push eax
call fcn.0053f0c0
mov eax, dword [esp + 0x4c]
add esp, 0xc
mov ecx, dword [esp + 0x44]
add eax, ecx
mov dword [esp + 0x8c], eax
cmp ecx, eax
ja 0x4bdfed
mov eax, ecx
xor esi, esi
xor eax, dword [esp + 0x6c]
lea edx, [eax - 1]
not eax
shr eax, 0x1f
shr edx, 0x1f
and dl, al
mov eax, ecx
xor eax, dword [esp + 0x78]
neg dl
mov dword [esp + 0x84], edx
lea ecx, [eax - 1]
not eax
shr ecx, 0x1f
shr eax, 0x1f
and cl, al
neg cl
movsx eax, cl
mov dword [esp + 0x38], ecx
movd xmm0, eax
punpcklbw xmm0, xmm0
punpcklwd xmm0, xmm0
pshufd xmm0, xmm0, 0
movdqa xmmword [esp + 0xb0], xmm0
test edi, edi
je 0x4bdf08
mov eax, dword [esp + 0x48]
lea ebx, [esp + 0x198]
shr eax, 0x1f
not cl
mov dword [esp + 0x88], eax
or cl, dl
movzx eax, dl
mov dword [esp + 0x80], eax
mov eax, dword [esp + 0x48]
mov byte [esp + 0x2b], cl
mov ecx, dword [esp + 0x48]
neg ecx
lea eax, [eax + 1]
mov dword [esp + 0x40], ecx
shr eax, 0x1f
mov dword [esp + 0x90], eax
mov eax, edi
sub eax, dword [esp + 0x20]
mov dword [esp + 0x94], eax
mov eax, dword [esp + 0x20]
sub eax, edi
add eax, ebx
mov ebx, dword [esp + 0x30]
mov dword [esp + 0x2c], eax
lea ecx, [ecx]
mov edx, dword [esp + 0x54]
mov byte [esp + 0x1b], 0
cmp ebx, edx
jae 0x4bde33
mov eax, dword [esp + 0x4c]
jmp 0x4bde42
mov eax, dword [ebp + 0x20]
add eax, edx
cmp ebx, eax
jae 0x4bde49
mov eax, dword [esp + 0x3c]
sub eax, edx
mov al, byte [eax + ebx]
mov byte [esp + 0x1b], al
mov eax, dword [esp + 0x88]
mov edx, esi
shr ecx, 0x1f
inc ebx
xor cl, al
shr edx, 0x1f
xor al, dl
mov dword [esp + 0x30], ebx
or cl, al
mov edi, dword [esp + 0x58]
xor cl, dl
dec cl
movzx eax, cl
mov ecx, esi
and eax, dword [esp + 0x80]
mov dword [esp + 0x50], eax
not eax
mov dword [esp + 0x5c], eax
mov ebx, dword [esp + 0x5c]
mov eax, dword [esp + 0x50]
and bl, byte [esp + 0x1b]
and al, 0x80
or bl, al
mov eax, dword [esp + 0x48]
inc eax
sub ecx, eax
mov eax, dword [esp + 0x90]
shr ecx, 0x1f
xor cl, al
xor al, dl
or cl, al
xor cl, dl
dec cl
and cl, byte [esp + 0x84]
not cl
and cl, byte [esp + 0x2b]
and bl, cl
cmp esi, dword [esp + 0x94]
jb 0x4bdee7
mov eax, dword [esp + 0x38]
movzx eax, al
mov dword [esp + 0x50], eax
not eax
mov dword [esp + 0x5c], eax
mov eax, dword [esp + 0x2c]
mov ecx, dword [esp + 0x50]
and cl, byte [eax]
mov eax, dword [esp + 0x5c]
and bl, al
or bl, cl
mov ecx, dword [esp + 0x40]
inc dword [esp + 0x2c]
inc ecx
mov byte [esp + esi + 0x2e8], bl
inc esi
mov ebx, dword [esp + 0x30]
mov dword [esp + 0x40], ecx
cmp esi, edi
jb 0x4bde20
lea eax, [esp + 0x2e8]
push eax
lea eax, [esp + 0xc4]
push eax
call dword [esp + 0x24]
lea eax, [esp + 0x2f0]
push eax
lea eax, [esp + 0xcc]
push eax
call dword [esp + 0x44]
mov esi, dword [esp + 0x34]
add esp, 0x10
xor eax, eax
test esi, esi
je 0x4bdfd5
cmp esi, 0x20
jb 0x4bdfad
movdqa xmm2, xmmword [esp + 0xb0]
mov ecx, esi
and ecx, 0x1f
mov edx, esi
sub edx, ecx
jmp 0x4bdf60
movdqu xmm0, xmmword [esp + eax + 0x1a8]
movdqu xmm1, xmmword [esp + eax + 0x2e8]
pand xmm1, xmm2
por xmm1, xmm0
movdqu xmmword [esp + eax + 0x1a8], xmm1
movdqu xmm1, xmmword [esp + eax + 0x2f8]
movdqu xmm0, xmmword [esp + eax + 0x1b8]
pand xmm1, xmm2
por xmm1, xmm0
movdqu xmmword [esp + eax + 0x1b8], xmm1
add eax, 0x20
cmp eax, edx
jb 0x4bdf60
cmp eax, esi
jae 0x4bdfd5
mov edx, dword [esp + 0x38]
jmp 0x4bdfc0
mov cl, byte [esp + eax + 0x2e8]
and cl, dl
or byte [esp + eax + 0x1a8], cl
inc eax
cmp eax, esi
jb 0x4bdfc0
mov ecx, dword [esp + 0x44]
inc ecx
mov dword [esp + 0x44], ecx
cmp ecx, dword [esp + 0x8c]
jbe 0x4bdd62
jmp 0x4bdff1
mov esi, dword [esp + 0x24]
lea eax, [esp + 0x98]
push eax
call fcn.004d04a0
mov eax, dword [esp + 0x64]
push 0
push dword [eax]
lea eax, [esp + 0xa4]
push eax
call fcn.004d0080
add esp, 0x10
test eax, eax
jle 0x4be091
cmp byte [ebp + 0x2c], 0
je 0x4be0b8
mov ebx, dword [esp + 0x64]
lea eax, [esp + 0x1e8]
push ebx
push 0x5c
push eax
call fcn.0053f0c0
push dword [ebp + 0x28]
lea eax, [esp + 0xa8]
push dword [esp + 0x78]
push eax
call fcn.004d0230
add esp, 0x18
test eax, eax
jle 0x4be091
push ebx
lea eax, [esp + 0x1ec]
push eax
lea eax, [esp + 0xa0]
push eax
call fcn.004d0230
add esp, 0xc
test eax, eax
jle 0x4be091
push esi
lea eax, [esp + 0x1ac]
push eax
lea eax, [esp + 0xa0]
push eax
call fcn.004d0230
add esp, 0xc
test eax, eax
jg 0x4be15f
lea eax, [esp + 0x98]
push eax
call fcn.004d0240
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x360]
xor ecx, esp
call fcn.0053d5c4
mov esp, ebp
pop ebp
ret
xor ecx, ecx
test edi, edi
je 0x4be11d
cmp edi, 0x20
jb 0x4be106
movdqa xmm1, xmmword [0x594140]
mov eax, edi
and eax, 0x1f
mov edx, edi
sub edx, eax
lea eax, [esp + 0x1f8]
jmp 0x4be0e0
movdqu xmm0, xmmword [eax - 0x10]
add ecx, 0x20
lea eax, [eax + 0x20]
pxor xmm0, xmm1
movdqu xmmword [eax - 0x30], xmm0
movdqu xmm0, xmmword [eax - 0x20]
pxor xmm0, xmm1
movdqu xmmword [eax - 0x20], xmm0
cmp ecx, edx
jb 0x4be0e0
cmp ecx, edi
jae 0x4be11d
lea ebx, [ebx]
xor byte [esp + ecx + 0x1e8], 0x6a
inc ecx
cmp ecx, edi
jb 0x4be110
push edi
lea eax, [esp + 0x1ec]
push eax
lea eax, [esp + 0xa0]
push eax
call fcn.004d0230
add esp, 0xc
test eax, eax
jle 0x4be091
push esi
lea eax, [esp + 0x1ac]
push eax
lea eax, [esp + 0xa0]
push eax
call fcn.004d0230
add esp, 0xc
test eax, eax
jle 0x4be091
lea eax, [esp + 0x74]
push eax
push dword [esp + 0x80]
lea eax, [esp + 0xa0]
push eax
call fcn.004cffb0
mov ecx, dword [esp + 0x7c]
add esp, 0xc
test ecx, ecx
je 0x4be189
mov eax, dword [esp + 0x74]
mov dword [ecx], eax
lea eax, [esp + 0x98]
push eax
call fcn.004d0240
mov ecx, dword [esp + 0x370]
add esp, 4
mov eax, 1
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.0053d5c4
mov esp, ebp
pop ebp
ret