Function at 0x51865a
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
push ebx
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
xor eax, eax
cmp edi, eax
jne 0x518679
push 0x80004005
call fcn.00406af0
cmp esi, eax
je 0x51866f
cmp edi, esi
je 0x51866f
mov ecx, dword [ebp + 0x14]
mov bl, byte [edi]
add ecx, esi
mov dword [ebp - 4], eax
mov dword [ebp - 8], 1
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x10], eax
mov dword [ebp - 0xc], eax
mov dword [ebp - 0x1c], esi
mov dword [ebp - 0x14], ecx
test bl, bl
je 0x5188d4
mov ecx, dword [ebp - 4]
inc edi
mov dword [ebp + 8], edi
cmp ecx, dword [ebp + 0x14]
jne 0x5186b8
mov dword [ebp - 8], eax
cmp bl, 0x3a
jne 0x518729
test byte [ebp - 0xc], 0x80
je 0x51878a
cmp dword [ebp - 0x10], eax
jne 0x51878a
cmp dword [ebp - 8], eax
je 0x518720
mov eax, esi
sub eax, ecx
mov byte [esi], 0
cmp eax, dword [ebp - 0x1c]
jb 0x51866f
cmp eax, dword [ebp - 0x14]
ja 0x51866f
mov ecx, dword [ebp - 0x14]
sub ecx, eax
inc ecx
push ecx
push eax
call fcn.00589ef2
push eax
call fcn.004067e0
add esp, 0xc
cmp dword [ebp - 4], 4
jne 0x518720
push 4
lea eax, [esi - 4]
push eax
push 0x5e27c8
call fcn.0058c4fc
add esp, 0xc
test eax, eax
jne 0x518720
mov dword [ebp - 0x18], 1
mov eax, dword [ebp - 4]
inc eax
mov dword [ebp - 0x10], eax
jmp 0x51878a
cmp bl, 0x25
jne 0x518776
test byte [ebp - 0xc], 4
je 0x51878a
mov al, byte [edi]
test al, al
je 0x5188ce
inc edi
call fcn.0051855e
movzx ebx, ax
test bx, bx
jl 0x5188c4
mov al, byte [edi]
test al, al
je 0x5188ce
inc edi
mov dword [ebp + 8], edi
call fcn.0051855e
movzx eax, ax
test ax, ax
jl 0x5188ca
shl bl, 4
add bl, al
jmp 0x51878a
cmp bl, 0x3f
je 0x518780
cmp bl, 0x23
jne 0x51878a
test byte [ebp - 0xc], 0x20
je 0x51878a
or dword [ebp - 0xc], 2
mov eax, dword [ebp - 0xc]
test al, al
jns 0x5187f5
test al, 2
jne 0x5187f5
cmp bl, 0x5c
jne 0x5187bc
xor ecx, ecx
cmp dword [ebp - 0x10], ecx
jne 0x5187a8
test eax, 0x100
je 0x5187f5
cmp dword [ebp - 8], ecx
je 0x5187f5
cmp dword [ebp - 0x18], ecx
je 0x5187b8
cmp dword [ebp - 4], 7
jae 0x5187f5
mov bl, 0x2f
jmp 0x5187f5
cmp bl, 0x2e
jne 0x5187f5
mov ecx, dword [ebp - 4]
test ecx, ecx
jbe 0x5187f5
test al, 8
jne 0x5187f5
push dword [ebp - 0x10]
lea edx, [ebp + 0xc]
push eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp + 8]
push eax
lea eax, [esi - 1]
push edx
call fcn.0051858f
mov esi, dword [ebp + 0xc]
mov edi, dword [ebp + 8]
add esp, 0x14
test eax, eax
jne 0x5188b7
movzx ecx, bl
cmp ecx, 0x40
jg 0x51881d
cmp ecx, 0x3b
jge 0x51883e
cmp ecx, 0x20
je 0x51883e
cmp ecx, 0x21
jle 0x518834
cmp ecx, 0x26
jle 0x51883e
cmp ecx, 0x2a
jle 0x518834
cmp ecx, 0x2c
jle 0x51883e
jmp 0x518834
cmp ecx, 0x5b
jl 0x518834
cmp ecx, 0x5e
jle 0x51883e
cmp ecx, 0x60
je 0x51883e
lea eax, [ecx - 0x7b]
cmp eax, 2
jbe 0x51883e
cmp bl, 0x20
jb 0x51883e
cmp bl, 0x7e
jbe 0x5188a8
mov al, byte [ebp - 0xc]
test al, 2
jne 0x5188a8
test al, 0x10
je 0x51884e
cmp bl, 0x20
jne 0x5188a8
test al, 8
je 0x518857
cmp bl, 0x2e
je 0x5188a8
test al, 0x40
jne 0x518860
cmp bl, 0x25
je 0x5188a8
mov eax, dword [ebp + 0x14]
add eax, 0xfffffffd
cmp dword [ebp - 4], eax
jb 0x51886f
and dword [ebp - 8], 0
cmp dword [ebp - 8], 0
je 0x5188a2
mov byte [esi], 0x25
lea eax, [esi + 1]
cmp bl, 0x10
jae 0x518884
mov byte [eax], 0x30
inc eax
mov edx, dword [ebp - 0x14]
push 0x10
sub edx, eax
push edx
push eax
push ecx
call fcn.0058c6c3
push eax
call fcn.004067e0
add esp, 0x14
add esi, 3
mov dword [ebp + 0xc], esi
add dword [ebp - 4], 2
jmp 0x5188b4
cmp dword [ebp - 8], 0
je 0x5188b4
mov byte [esi], bl
inc esi
mov dword [ebp + 0xc], esi
inc dword [ebp - 4]
mov bl, byte [edi]
test bl, bl
je 0x5188ce
xor eax, eax
jmp 0x5186a9
and dword [ebp - 8], 0
jmp 0x5188df
and dword [ebp - 8], 0
cmp dword [ebp - 8], 0
je 0x5188df
mov eax, dword [ebp + 0x14]
cmp dword [ebp - 4], eax
jae 0x5188df
mov byte [esi], 0
mov eax, dword [ebp + 0x10]
pop edi
pop esi
pop ebx
test eax, eax
je 0x5188ef
mov ecx, dword [ebp - 4]
inc ecx
mov dword [eax], ecx
mov eax, dword [ebp - 4]
inc eax
cmp eax, dword [ebp + 0x14]
jbe 0x5188fc
and dword [ebp - 8], 0
mov eax, dword [ebp - 8]
leave
ret