Function at 0x4216d6
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
push ebx
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
test edi, edi
jne 0x4216f3
push 0x80004005
call fcn.00401941
test esi, esi
je 0x4216e9
cmp edi, esi
je 0x4216e9
mov bl, byte [edi]
xor edx, edx
and dword [ebp - 0x1c], edx
and dword [ebp - 0x14], edx
test bl, bl
lea eax, [esi + 0x823]
mov dword [ebp - 8], edx
mov dword [ebp - 0xc], 1
mov dword [ebp - 0x10], 0x20
mov dword [ebp - 0x20], esi
mov dword [ebp - 0x18], eax
je 0x421948
inc edi
cmp edx, 0x823
mov dword [ebp + 8], edi
jne 0x42173a
and dword [ebp - 0xc], 0
cmp bl, 0x3a
jne 0x4217b1
test byte [ebp - 0x10], 0x80
je 0x421803
cmp dword [ebp - 0x14], 0
jne 0x421803
cmp dword [ebp - 0xc], 0
je 0x4217a8
mov eax, esi
sub eax, edx
cmp eax, dword [ebp - 0x20]
mov byte [esi], 0
jb 0x4216e9
cmp eax, dword [ebp - 0x18]
ja 0x4216e9
mov ecx, dword [ebp - 0x18]
sub ecx, eax
inc ecx
push ecx
push eax
call fcn.0048fadb
push eax
call fcn.004017a9
add esp, 0xc
cmp dword [ebp - 8], 4
jne 0x4217a8
push 4
lea eax, [esi - 4]
push eax
push 0x4bbc58
call fcn.0048faee
add esp, 0xc
test eax, eax
jne 0x4217a8
mov dword [ebp - 0x1c], 1
mov eax, dword [ebp - 8]
inc eax
mov dword [ebp - 0x14], eax
jmp 0x421803
cmp bl, 0x25
jne 0x4217ef
test byte [ebp - 0x10], 4
je 0x421803
mov al, byte [edi]
test al, al
je 0x42193a
inc edi
mov cl, byte [edi]
test cl, cl
mov byte [ebp - 1], cl
je 0x42193a
inc edi
mov dword [ebp + 8], edi
call fcn.004215aa
mov bx, ax
mov al, byte [ebp - 1]
shl bl, 4
call fcn.004215aa
add bl, al
jmp 0x421803
cmp bl, 0x3f
je 0x4217f9
cmp bl, 0x23
jne 0x421803
test byte [ebp - 0x10], 0x20
je 0x421803
or dword [ebp - 0x10], 2
mov eax, dword [ebp - 0x10]
test al, al
jns 0x42186d
test al, 2
jne 0x42186d
cmp bl, 0x5c
jne 0x421834
xor ecx, ecx
cmp dword [ebp - 0x14], ecx
jne 0x421820
test ax, 0x100
je 0x42186d
cmp dword [ebp - 0xc], ecx
je 0x42186d
cmp dword [ebp - 0x1c], ecx
je 0x421830
cmp dword [ebp - 8], 7
jae 0x42186d
mov bl, 0x2f
jmp 0x42186d
cmp bl, 0x2e
jne 0x42186d
mov ecx, dword [ebp - 8]
test ecx, ecx
jbe 0x42186d
test al, 8
jne 0x42186d
push dword [ebp - 0x14]
lea edx, [ebp + 0xc]
push eax
lea eax, [ebp - 8]
push eax
lea eax, [ebp + 8]
push eax
lea eax, [esi - 1]
push edx
call fcn.0042160c
mov esi, dword [ebp + 0xc]
mov edi, dword [ebp + 8]
add esp, 0x14
test eax, eax
jne 0x42192d
movzx ecx, bl
cmp ecx, 0x40
jg 0x421895
cmp ecx, 0x3b
jge 0x4218b6
cmp ecx, 0x20
je 0x4218b6
cmp ecx, 0x21
jle 0x4218ac
cmp ecx, 0x26
jle 0x4218b6
cmp ecx, 0x2a
jle 0x4218ac
cmp ecx, 0x2c
jle 0x4218b6
jmp 0x4218ac
cmp ecx, 0x5b
jl 0x4218ac
cmp ecx, 0x5e
jle 0x4218b6
cmp ecx, 0x60
je 0x4218b6
lea eax, [ecx - 0x7b]
cmp eax, 2
jbe 0x4218b6
cmp bl, 0x20
jb 0x4218b6
cmp bl, 0x7e
jbe 0x42191e
mov al, byte [ebp - 0x10]
test al, 2
jne 0x42191e
test al, 0x10
je 0x4218c6
cmp bl, 0x20
jne 0x42191e
test al, 8
je 0x4218cf
cmp bl, 0x2e
je 0x42191e
test al, 0x40
jne 0x4218d8
cmp bl, 0x25
je 0x42191e
cmp dword [ebp - 8], 0x820
jb 0x4218e5
and dword [ebp - 0xc], 0
cmp dword [ebp - 0xc], 0
je 0x421918
cmp bl, 0x10
mov byte [esi], 0x25
lea eax, [esi + 1]
jae 0x4218fa
mov byte [eax], 0x30
inc eax
mov edx, dword [ebp - 0x18]
push 0x10
sub edx, eax
push edx
push eax
push ecx
call fcn.0048fcd5
push eax
call fcn.004017a9
add esp, 0x14
add esi, 3
mov dword [ebp + 0xc], esi
add dword [ebp - 8], 2
jmp 0x42192a
cmp dword [ebp - 0xc], 0
je 0x42192a
mov byte [esi], bl
inc esi
mov dword [ebp + 0xc], esi
inc dword [ebp - 8]
mov bl, byte [edi]
test bl, bl
mov edx, dword [ebp - 8]
jne 0x42172a
cmp dword [ebp - 0xc], 0
je 0x42194b
cmp edx, 0x823
jae 0x42194b
mov byte [esi], 0
mov eax, dword [ebp + 0x10]
test eax, eax
pop edi
pop esi
pop ebx
je 0x42195a
lea ecx, [edx + 1]
mov dword [eax], ecx
inc edx
cmp edx, 0x823
jbe 0x421967
and dword [ebp - 0xc], 0
mov eax, dword [ebp - 0xc]
leave
ret