Function at 0x55238a
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x633fc0]
push ebx
push esi
xor esi, esi
mov cl, byte [eax]
mov dword [ebp - 8], esi
mov dword [ebp - 4], esi
mov dword [ebp - 0x18], esi
mov dword [ebp - 0x14], esi
push edi
lea edi, [eax + 1]
mov dword [0x633fc0], edi
cmp cl, 0x41
jg 0x552533
je 0x5529a6
test cl, cl
je 0x552519
cmp cl, 0x2f
jle case.default.0x55289c
cmp cl, 0x31
jle 0x552441
cmp cl, 0x39
jg case.default.0x55289c
movsx eax, byte [edi - 1]
lea eax, [eax*8 + 0x5d0698]
push eax
lea ecx, [ebp - 8]
call fcn.0054f2af
cmp dword [ebp - 8], 0
je 0x55242e
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], str.operator
push eax
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x1c], 8
call fcn.0054f075
lea ecx, [ebp - 8]
push ecx
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.0054f3d9
mov eax, dword [ebp - 0x20]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 8]
mov dword [eax], ecx
mov ecx, dword [ebp - 4]
mov dword [eax + 4], ecx
pop edi
pop esi
pop ebx
leave
ret
mov ebx, esi
mov dword [ebp - 0xc], esi
mov dword [ebp - 0x10], ebx
cmp byte [ebp + 0xc], bl
je 0x5524ba
lea eax, [ebp - 0x20]
push eax
call fcn.00553748
push eax
lea eax, [ebp - 0x18]
push 0x3c
push eax
call fcn.0054f36a
add esp, 0x10
lea ecx, [ebp - 0x10]
push eax
call fcn.0054f497
lea ecx, [ebp - 0x10]
call fcn.0055218d
cmp al, 0x3e
jne 0x552485
push 0x20
lea ecx, [ebp - 0x10]
call fcn.0054f4ee
push 0x3e
lea ecx, [ebp - 0x10]
call fcn.0054f4ee
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x552499
mov byte [eax], 1
mov edi, dword [0x633fc0]
cmp byte [edi], bl
jne 0x5524b0
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov ecx, dword [ebp - 0xc]
jmp 0x552439
mov ebx, dword [ebp - 0x10]
inc edi
mov dword [0x633fc0], edi
push esi
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.0055454c
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
mov dword [0x633fc0], edi
test ecx, ecx
je 0x552500
cmp byte [edi - 1], 0x31
jne 0x552500
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x20]
push 0x7e
push eax
call fcn.0054f36a
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
test ebx, ebx
je 0x55242e
lea eax, [ebp - 0x10]
push eax
lea ecx, [ebp - 8]
call fcn.0054f497
jmp 0x55242e
lea eax, [edi - 1]
mov dword [0x633fc0], eax
mov ecx, dword [ebp + 8]
push 1
call fcn.0054f0e3
mov eax, dword [ebp + 8]
jmp 0x55243c
cmp cl, 0x42
je 0x5529a3
jle case.default.0x55289c
cmp cl, 0x5a
jle 0x5529a6
cmp cl, 0x5f
jne case.default.0x55289c
movsx eax, byte [edi]
lea ecx, [edi + 1]
mov dword [0x633fc0], ecx
cmp eax, 0x4f
jg 0x552676
cmp eax, 0x44
jge 0x552972
cmp eax, 0x39
jg 0x5525f2
je 0x5525c5
test eax, eax
je 0x5525ba
cmp eax, 0x2f
jle case.default.0x55289c
cmp eax, 0x36
jle 0x5525aa
cmp eax, 0x38
jg case.default.0x55289c
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x5d07b8]
mov ecx, dword [ebp + 8]
push eax
call fcn.0054f075
jmp 0x55252b
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x5d07b8]
jmp 0x5523ea
mov dword [0x633fc0], edi
jmp 0x552521
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x5d07b8]
push eax
call fcn.0054f075
mov edx, dword [ebp - 0x14]
or edx, 0x8000
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov dword [eax + 4], edx
jmp 0x55243c
cmp eax, 0x3f
je 0x552623
cmp eax, 0x40
jle case.default.0x55289c
cmp eax, 0x42
jle 0x552972
push 1
lea eax, [ebp - 0x18]
push esi
push eax
call fcn.0055361e
mov edx, dword [ebp - 0x14]
add esp, 0xc
or edx, 0x1000
jmp 0x5525e2
mov dl, byte [ecx]
lea eax, [ecx + 1]
mov dword [0x633fc0], eax
test dl, dl
je 0x55266b
mov edi, dword [ebp + 8]
cmp dl, 0x30
je 0x552644
mov dword [edi + 4], esi
mov byte [edi + 4], 2
mov dword [edi], esi
jmp 0x552664
push esi
lea eax, [ebp - 0x18]
push 1
push eax
call fcn.0055361e
mov ecx, dword [ebp - 0x14]
add esp, 0xc
mov eax, dword [ebp - 0x18]
or ecx, 0x1000
mov dword [edi], eax
mov dword [edi + 4], ecx
mov eax, edi
jmp 0x55243c
mov dword [0x633fc0], ecx
jmp 0x552521
cmp eax, 0x54
jg 0x55285b
cmp eax, 0x53
jge 0x552972
sub eax, 0x50
je 0x55280b
sub eax, 1
je 0x5523f3
sub eax, 1
jne case.default.0x55289c
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x5d0780]
push eax
call fcn.0054f2af
mov eax, dword [0x633fc0]
mov al, byte [eax]
test al, al
jne 0x5526d4
push 1
push dword [ebp + 8]
lea ecx, [ebp - 8]
call fcn.0054f41d
jmp 0x55252b
movsx eax, al
sub eax, 0x30
js case.default.0x55289c
cmp eax, 5
jae case.default.0x55289c
lea eax, [eax*8 + 0x5d0ac0]
push eax
lea ecx, [ebp - 0x18]
call fcn.0054f2af
mov eax, dword [0x633fc0]
mov cl, byte [eax]
inc eax
mov dword [0x633fc0], eax
cmp cl, 0x30
je 0x5527d1
cmp cl, 0x31
je 0x552725
jle 0x55271f
cmp cl, 0x34
jle 0x552847
dec eax
jmp 0x55251c
mov eax, dword [ebp - 8]
lea ecx, [ebp - 0x10]
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 4]
mov dword [ebp - 0xc], eax
lea eax, [ebp - 0x18]
push eax
call fcn.0054f497
lea eax, [ebp - 0x20]
push eax
call fcn.00553485
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.0054f3fb
push eax
lea ecx, [ebp - 0x10]
call fcn.0054f497
lea eax, [ebp - 0x20]
push eax
call fcn.00553485
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.0054f3fb
push eax
lea ecx, [ebp - 0x10]
call fcn.0054f497
lea eax, [ebp - 0x20]
push eax
call fcn.00553485
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.0054f3fb
push eax
lea ecx, [ebp - 0x10]
call fcn.0054f497
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.0055179b
pop ecx
pop ecx
push 0x29
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.0054f3fb
push eax
lea ecx, [ebp - 0x10]
call fcn.0054f497
push 0x27
push dword [ebp + 8]
lea ecx, [ebp - 0x10]
call fcn.0054f3fb
jmp 0x55252b
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.0055145a
mov eax, dword [ebp - 0x20]
pop ecx
pop ecx
mov dword [ebp - 0x10], eax
lea ecx, [ebp - 0x10]
mov eax, dword [ebp - 0x1c]
push 0x20
mov dword [ebp - 0xc], eax
call fcn.0054f4ee
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x10]
call fcn.0054f3d9
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
jmp 0x55284e
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x5d0780]
push eax
call fcn.0054f2af
push esi
lea eax, [ebp - 0x28]
push esi
push eax
call fcn.0055238a
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x14], eax
test ecx, ecx
je 0x552847
test eax, 0x400
jne case.default.0x55289c
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 8]
push dword [ebp + 8]
call fcn.0054f3d9
jmp 0x55252b
cmp eax, 0x56
jle 0x552982
cmp eax, 0x57
jle case.default.0x55289c
cmp eax, 0x59
jle 0x552972
cmp eax, 0x5f
jne case.default.0x55289c
movsx eax, byte [ecx]
inc ecx
sub eax, 0x41
mov dword [0x633fc0], ecx
cmp eax, 0xc
ja case.default.0x55289c
movzx eax, byte [eax + 0x5529e6]
jmp dword [eax*4 + 0x5529da]
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x5d0848]
jmp 0x55259f
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x5d0848]
push eax
call fcn.0054f075
mov eax, dword [0x633fc0]
cmp byte [eax], 0x3f
lea eax, [ebp - 0x28]
push eax
jne 0x5528f6
call fcn.00551531
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.0054f497
mov eax, dword [0x633fc0]
cmp byte [eax], 0x40
jne 0x552905
inc eax
mov dword [0x633fc0], eax
jmp 0x552905
call fcn.00553700
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.0054f497
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], 0x5d1174
push eax
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x1c], 2
call fcn.0054f43f
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov ecx, dword [ebp - 0x14]
jmp 0x552439
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x5d0848]
push eax
call fcn.0054f075
jmp 0x552959
cmp al, 0x40
je 0x552969
inc ecx
mov dword [0x633fc0], ecx
lea ecx, [ebp - 0x18]
push eax
call fcn.0054f4ee
mov ecx, dword [0x633fc0]
mov al, byte [ecx]
test al, al
jne 0x552945
cmp al, 0x40
jne 0x55291f
inc ecx
mov dword [0x633fc0], ecx
jmp 0x55291f
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x5d0780]
jmp 0x55259f
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x5d0780]
jmp 0x5523ea
mov eax, dword [ebp + 8]
mov dword [eax + 4], esi
mov byte [eax + 4], 2
mov dword [eax], esi
jmp 0x55243c
xor esi, esi
inc esi
movsx eax, byte [edi - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x5d0660]
push eax
call fcn.0054f2af
test esi, esi
je 0x5523f3
cmp dword [ebp - 8], 0
je 0x55242e
or dword [ebp - 4], 0x200
jmp 0x55242e