Function at 0x68917a
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x811990]
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 [0x811990], edi
cmp cl, 0x41
jg 0x689323
je 0x689796
test cl, cl
je 0x689309
cmp cl, 0x2f
jle case.default.0x68968c
cmp cl, 0x31
jle 0x689231
cmp cl, 0x39
jg case.default.0x68968c
movsx eax, byte [edi - 1]
lea eax, [eax*8 + 0x77b7e0]
push eax
lea ecx, [ebp - 8]
call fcn.0068608f
cmp dword [ebp - 8], 0
je 0x68921e
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], str.operator
push eax
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x1c], 8
call fcn.00685e55
lea ecx, [ebp - 8]
push ecx
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.006861b9
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 0x6892aa
lea eax, [ebp - 0x20]
push eax
call fcn.0068a565
push eax
lea eax, [ebp - 0x18]
push 0x3c
push eax
call fcn.0068614a
add esp, 0x10
lea ecx, [ebp - 0x10]
push eax
call fcn.00686277
lea ecx, [ebp - 0x10]
call fcn.00688f6d
cmp al, 0x3e
jne 0x689275
push 0x20
lea ecx, [ebp - 0x10]
call fcn.006862ce
push 0x3e
lea ecx, [ebp - 0x10]
call fcn.006862ce
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x689289
mov byte [eax], 1
mov edi, dword [0x811990]
cmp byte [edi], bl
jne 0x6892a0
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov ecx, dword [ebp - 0xc]
jmp 0x689229
mov ebx, dword [ebp - 0x10]
inc edi
mov dword [0x811990], edi
push esi
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.0068b369
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
mov dword [0x811990], edi
test ecx, ecx
je 0x6892f0
cmp byte [edi - 1], 0x31
jne 0x6892f0
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x20]
push 0x7e
push eax
call fcn.0068614a
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 0x68921e
lea eax, [ebp - 0x10]
push eax
lea ecx, [ebp - 8]
call fcn.00686277
jmp 0x68921e
lea eax, [edi - 1]
mov dword [0x811990], eax
mov ecx, dword [ebp + 8]
push 1
call fcn.00685ec3
mov eax, dword [ebp + 8]
jmp 0x68922c
cmp cl, 0x42
je 0x689793
jle case.default.0x68968c
cmp cl, 0x5a
jle 0x689796
cmp cl, 0x5f
jne case.default.0x68968c
movsx eax, byte [edi]
lea ecx, [edi + 1]
mov dword [0x811990], ecx
cmp eax, 0x4f
jg 0x689466
cmp eax, 0x44
jge 0x689762
cmp eax, 0x39
jg 0x6893e2
je 0x6893b5
test eax, eax
je 0x6893aa
cmp eax, 0x2f
jle case.default.0x68968c
cmp eax, 0x36
jle 0x68939a
cmp eax, 0x38
jg case.default.0x68968c
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x77b900]
mov ecx, dword [ebp + 8]
push eax
call fcn.00685e55
jmp 0x68931b
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x77b900]
jmp 0x6891da
mov dword [0x811990], edi
jmp 0x689311
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x77b900]
push eax
call fcn.00685e55
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 0x68922c
cmp eax, 0x3f
je 0x689413
cmp eax, 0x40
jle case.default.0x68968c
cmp eax, 0x42
jle 0x689762
push 1
lea eax, [ebp - 0x18]
push esi
push eax
call fcn.0068a43b
mov edx, dword [ebp - 0x14]
add esp, 0xc
or edx, 0x1000
jmp 0x6893d2
mov dl, byte [ecx]
lea eax, [ecx + 1]
mov dword [0x811990], eax
test dl, dl
je 0x68945b
mov edi, dword [ebp + 8]
cmp dl, 0x30
je 0x689434
mov dword [edi + 4], esi
mov byte [edi + 4], 2
mov dword [edi], esi
jmp 0x689454
push esi
lea eax, [ebp - 0x18]
push 1
push eax
call fcn.0068a43b
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 0x68922c
mov dword [0x811990], ecx
jmp 0x689311
cmp eax, 0x54
jg 0x68964b
cmp eax, 0x53
jge 0x689762
sub eax, 0x50
je 0x6895fb
sub eax, 1
je 0x6891e3
sub eax, 1
jne case.default.0x68968c
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x77b8c8]
push eax
call fcn.0068608f
mov eax, dword [0x811990]
mov al, byte [eax]
test al, al
jne 0x6894c4
push 1
push dword [ebp + 8]
lea ecx, [ebp - 8]
call fcn.006861fd
jmp 0x68931b
movsx eax, al
sub eax, 0x30
js case.default.0x68968c
cmp eax, 5
jae case.default.0x68968c
lea eax, [eax*8 + 0x77bc08]
push eax
lea ecx, [ebp - 0x18]
call fcn.0068608f
mov eax, dword [0x811990]
mov cl, byte [eax]
inc eax
mov dword [0x811990], eax
cmp cl, 0x30
je 0x6895c1
cmp cl, 0x31
je 0x689515
jle 0x68950f
cmp cl, 0x34
jle 0x689637
dec eax
jmp 0x68930c
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.00686277
lea eax, [ebp - 0x20]
push eax
call fcn.0068a275
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.006861db
push eax
lea ecx, [ebp - 0x10]
call fcn.00686277
lea eax, [ebp - 0x20]
push eax
call fcn.0068a275
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.006861db
push eax
lea ecx, [ebp - 0x10]
call fcn.00686277
lea eax, [ebp - 0x20]
push eax
call fcn.0068a275
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.006861db
push eax
lea ecx, [ebp - 0x10]
call fcn.00686277
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.0068857b
pop ecx
pop ecx
push 0x29
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.006861db
push eax
lea ecx, [ebp - 0x10]
call fcn.00686277
push 0x27
push dword [ebp + 8]
lea ecx, [ebp - 0x10]
call fcn.006861db
jmp 0x68931b
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.0068823a
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.006862ce
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x10]
call fcn.006861b9
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
jmp 0x68963e
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x77b8c8]
push eax
call fcn.0068608f
push esi
lea eax, [ebp - 0x28]
push esi
push eax
call fcn.0068917a
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 0x689637
test eax, 0x400
jne case.default.0x68968c
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 8]
push dword [ebp + 8]
call fcn.006861b9
jmp 0x68931b
cmp eax, 0x56
jle 0x689772
cmp eax, 0x57
jle case.default.0x68968c
cmp eax, 0x59
jle 0x689762
cmp eax, 0x5f
jne case.default.0x68968c
movsx eax, byte [ecx]
inc ecx
sub eax, 0x41
mov dword [0x811990], ecx
cmp eax, 0xc
ja case.default.0x68968c
movzx eax, byte [eax + 0x6897d6]
jmp dword [eax*4 + 0x6897ca]
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x77b990]
jmp 0x68938f
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x77b990]
push eax
call fcn.00685e55
mov eax, dword [0x811990]
cmp byte [eax], 0x3f
lea eax, [ebp - 0x28]
push eax
jne 0x6896e6
call fcn.00688311
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.00686277
mov eax, dword [0x811990]
cmp byte [eax], 0x40
jne 0x6896f5
inc eax
mov dword [0x811990], eax
jmp 0x6896f5
call fcn.0068a51d
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.00686277
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], 0x77c2bc
push eax
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x1c], 2
call fcn.0068621f
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov ecx, dword [ebp - 0x14]
jmp 0x689229
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x77b990]
push eax
call fcn.00685e55
jmp 0x689749
cmp al, 0x40
je 0x689759
inc ecx
mov dword [0x811990], ecx
lea ecx, [ebp - 0x18]
push eax
call fcn.006862ce
mov ecx, dword [0x811990]
mov al, byte [ecx]
test al, al
jne 0x689735
cmp al, 0x40
jne 0x68970f
inc ecx
mov dword [0x811990], ecx
jmp 0x68970f
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x77b8c8]
jmp 0x68938f
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x77b8c8]
jmp 0x6891da
mov eax, dword [ebp + 8]
mov dword [eax + 4], esi
mov byte [eax + 4], 2
mov dword [eax], esi
jmp 0x68922c
xor esi, esi
inc esi
movsx eax, byte [edi - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x77b7a8]
push eax
call fcn.0068608f
test esi, esi
je 0x6891e3
cmp dword [ebp - 8], 0
je 0x68921e
or dword [ebp - 4], 0x200
jmp 0x68921e