Function at 0x53f570
Capabilities:
Parse credit card information

Disassembly:
sub esp, 0x10
push ebx
push ebp
push esi
push edi
mov edi, dword [eax]
mov ecx, dword [edi + 0x4860]
mov al, byte [ecx]
mov ebp, dword [edi + 0x128]
mov dword [esp + 0x1c], edi
mov esi, ecx
call fcn.0053f430
test eax, eax
je 0x53f5d8
mov al, byte [esi + 1]
inc esi
call fcn.0053f430
test eax, eax
jne 0x53f596
cmp esi, ecx
je 0x53f5d8
mov eax, esi
jbe 0x53f5b6
cmp byte [esi - 1], 0x2f
lea edx, [esi - 1]
jne 0x53f5b6
mov eax, edx
push 1
xor ebx, ebx
push ebx
lea edx, [ebp + 4]
push edx
sub eax, ecx
push eax
push ecx
push edi
call fcn.0054f8b0
add esp, 0x18
cmp eax, ebx
je 0x53f5dd
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
xor ebx, ebx
mov dword [ebp + 4], ebx
cmp byte [esi], 0x3b
jne 0x53f7c6
mov al, byte [esi + 1]
inc esi
mov ecx, esi
cmp al, bl
je 0x53f7b9
cmp al, 0x3d
je 0x53f60d
mov al, byte [esi + 1]
inc esi
cmp al, bl
jne 0x53f5f4
pop edi
pop esi
pop ebp
mov eax, 3
pop ebx
add esp, 0x10
ret
cmp byte [esi], bl
je 0x53f7b9
push 1
push ebx
lea edx, [esp + 0x1c]
push edx
mov eax, esi
sub eax, ecx
push eax
push ecx
push edi
call fcn.0054f8b0
add esp, 0x18
cmp eax, ebx
jne 0x53f815
mov al, byte [esi + 1]
inc esi
mov ecx, esi
call fcn.0053f430
test eax, eax
je 0x53f650
mov al, byte [esi + 1]
inc esi
call fcn.0053f430
test eax, eax
jne 0x53f643
push 1
lea edx, [esp + 0x1c]
push edx
lea eax, [esp + 0x18]
push eax
mov edx, esi
sub edx, ecx
push edx
push ecx
push edi
call fcn.0054f8b0
mov edi, eax
add esp, 0x18
cmp edi, ebx
jne 0x53f788
mov eax, dword [esp + 0x14]
push str.UIDVALIDITY
push eax
call fcn.005369d0
add esp, 8
test eax, eax
je 0x53f6b3
cmp dword [ebp + 8], ebx
jne 0x53f6b3
mov eax, dword [esp + 0x18]
cmp eax, ebx
jbe 0x53f6a7
mov ecx, dword [esp + 0x10]
cmp byte [ecx + eax - 1], 0x2f
jne 0x53f6a7
mov byte [ecx + eax - 1], bl
mov ecx, dword [esp + 0x10]
mov dword [ebp + 8], ecx
jmp 0x53f762
mov edx, dword [esp + 0x14]
push 0x59a790
push edx
call fcn.005369d0
add esp, 8
test eax, eax
je 0x53f6ee
cmp dword [ebp + 0xc], ebx
jne 0x53f6ee
mov eax, dword [esp + 0x18]
cmp eax, ebx
jbe 0x53f6e5
mov ecx, dword [esp + 0x10]
cmp byte [ecx + eax - 1], 0x2f
jne 0x53f6e5
mov byte [ecx + eax - 1], bl
mov eax, dword [esp + 0x10]
mov dword [ebp + 0xc], eax
jmp 0x53f762
mov ecx, dword [esp + 0x14]
push str.SECTION
push ecx
call fcn.005369d0
add esp, 8
test eax, eax
je 0x53f729
cmp dword [ebp + 0x10], ebx
jne 0x53f729
mov eax, dword [esp + 0x18]
cmp eax, ebx
jbe 0x53f720
mov ecx, dword [esp + 0x10]
cmp byte [ecx + eax - 1], 0x2f
jne 0x53f720
mov byte [ecx + eax - 1], bl
mov edx, dword [esp + 0x10]
mov dword [ebp + 0x10], edx
jmp 0x53f762
mov eax, dword [esp + 0x14]
push str.PARTIAL
push eax
call fcn.005369d0
add esp, 8
test eax, eax
je 0x53f7a0
cmp dword [ebp + 0x14], ebx
jne 0x53f7a0
mov eax, dword [esp + 0x18]
cmp eax, ebx
jbe 0x53f75b
mov ecx, dword [esp + 0x10]
cmp byte [ecx + eax - 1], 0x2f
jne 0x53f75b
mov byte [ecx + eax - 1], bl
mov ecx, dword [esp + 0x10]
mov dword [ebp + 0x14], ecx
mov edx, dword [esp + 0x14]
push edx
mov dword [esp + 0x14], ebx
call dword [0x5c2298]
mov eax, dword [esp + 0x14]
push eax
call dword [0x5c2298]
mov edi, dword [esp + 0x24]
add esp, 8
jmp 0x53f5dd
mov ecx, dword [esp + 0x14]
push ecx
call dword [0x5c2298]
add esp, 4
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov edx, dword [esp + 0x14]
push edx
call dword [0x5c2298]
mov eax, dword [esp + 0x14]
push eax
call dword [0x5c2298]
add esp, 8
pop edi
pop esi
pop ebp
mov eax, 3
pop ebx
add esp, 0x10
ret
cmp dword [ebp + 4], ebx
je 0x53f80b
cmp dword [ebp + 0xc], ebx
jne 0x53f80b
cmp byte [esi], 0x3f
jne 0x53f80b
mov al, byte [esi + 1]
inc esi
mov ecx, esi
call fcn.0053f430
test eax, eax
je 0x53f7f1
mov al, byte [esi + 1]
inc esi
call fcn.0053f430
test eax, eax
jne 0x53f7e4
push 1
push ebx
add ebp, 0x18
push ebp
mov edx, esi
sub edx, ecx
push edx
push ecx
push edi
call fcn.0054f8b0
add esp, 0x18
cmp eax, ebx
jne 0x53f815
movsx eax, byte [esi]
neg eax
sbb eax, eax
and eax, 3
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret