Function at 0x10041150
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x100f9edd
mov eax, dword fs:[0]
push eax
push ebx
sub esp, 0x50
mov eax, dword [0x1014a440]
xor eax, ebp
mov dword [ebp - 0x14], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov dword [ebp - 0x4c], edi
mov eax, dword [ebx + 8]
mov ecx, dword [ebx + 0xc]
mov dword [ebp - 0x54], ecx
mov dword [ebp - 0x60], eax
movq xmm0, qword [eax]
mov ecx, dword [eax + 8]
movq qword [ebp - 0x24], xmm0
mov dword [ebp - 0x58], ecx
mov dword [ebp - 0x1c], ecx
mov dword [ebp - 0x18], eax
mov dword [ebp - 4], 0
xorps xmm1, xmm1
mov esi, dword [ebp - 0x24]
mov eax, esi
sub eax, ecx
mov dword [ebp - 0x50], eax
cmp byte [esi], 0x2d
jne 0x100411d5
inc esi
mov dl, 1
mov dword [ebp - 0x24], esi
jmp 0x100411d7
xor dl, dl
mov al, byte [esi]
xorps xmm0, xmm0
mov byte [ebp - 0x27], dl
movlpd qword [ebp - 0x48], xmm0
mov byte [ebp - 0x25], 0
mov dword [ebp - 0x38], 0
cmp al, 0x30
jne 0x10041205
lea edi, [esi + 1]
mov dword [ebp - 0x40], 0
mov dword [ebp - 0x24], edi
jmp 0x100412b7
cmp al, 0x31
jl 0x100418cc
cmp al, 0x39
jg 0x100418cc
movsx ecx, al
lea edi, [esi + 1]
mov al, byte [edi]
sub ecx, 0x30
mov dword [ebp - 0x24], edi
mov dword [ebp - 0x40], ecx
test dl, dl
je 0x10041279
cmp al, 0x30
jl 0x100412b7
mov edx, edi
mov esi, edi
cmp al, 0x39
ja 0x100412b7
cmp ecx, 0xccccccc
jb 0x1004124a
jne 0x1004126e
mov edx, esi
cmp al, 0x38
ja 0x1004126e
movsx eax, byte [edx]
lea ecx, [ecx + ecx*4]
inc dword [ebp - 0x38]
lea edi, [edx + 1]
lea ecx, [ecx - 0x18]
mov dword [ebp - 0x24], edi
mov edx, edi
mov esi, edi
lea ecx, [eax + ecx*2]
mov al, byte [edi]
mov dword [ebp - 0x40], ecx
cmp al, 0x30
jge 0x10041236
jmp 0x100412b7
mov dl, 1
mov eax, ecx
xor ecx, ecx
mov byte [ebp - 0x25], dl
jmp 0x100412c0
cmp al, 0x30
jl 0x100412b7
mov edx, edi
mov esi, edi
cmp al, 0x39
jg 0x100412b7
cmp ecx, 0x19999999
jb 0x10041295
jne 0x1004126e
mov edx, esi
cmp al, 0x35
jg 0x1004126e
movsx eax, byte [edx]
lea ecx, [ecx + ecx*4]
inc dword [ebp - 0x38]
lea edi, [edx + 1]
lea ecx, [ecx - 0x18]
mov dword [ebp - 0x24], edi
mov edx, edi
mov esi, edi
lea ecx, [eax + ecx*2]
mov al, byte [edi]
mov dword [ebp - 0x40], ecx
cmp al, 0x30
jge 0x10041281
mov eax, dword [ebp - 0x48]
mov ecx, dword [ebp - 0x44]
mov dl, byte [ebp - 0x25]
xor dh, dh
mov dword [ebp - 0x2c], eax
mov dword [ebp - 0x30], ecx
mov byte [ebp - 0x26], dh
test dl, dl
je 0x100413fa
mov dl, byte [edi]
cmp byte [ebp - 0x27], dh
je 0x1004137b
cmp dl, 0x30
jl 0x100413f7
mov esi, edi
mov dword [ebp - 0x34], esi
nop dword [eax]
cmp dl, 0x39
ja 0x100413f4
cmp ecx, 0xccccccc
jb 0x10041321
ja 0x1004130a
cmp eax, 0xcccccccc
jb 0x10041321
cmp eax, 0xcccccccc
jne 0x10041368
cmp ecx, 0xccccccc
jne 0x10041368
mov esi, dword [ebp - 0x34]
cmp dl, 0x38
ja 0x10041368
shld ecx, eax, 2
lea edi, [esi + 1]
xor edx, edx
movsx esi, byte [esi]
shl eax, 2
sub esi, 0x30
add dword [ebp - 0x2c], eax
mov eax, dword [ebp - 0x2c]
adc dword [ebp - 0x30], ecx
mov ecx, dword [ebp - 0x30]
shld ecx, eax, 1
mov dword [ebp - 0x24], edi
add eax, eax
mov dword [ebp - 0x34], edi
add eax, esi
mov esi, edi
mov dword [ebp - 0x2c], eax
adc edx, ecx
inc dword [ebp - 0x38]
mov ecx, edx
mov dl, byte [edi]
mov dword [ebp - 0x30], ecx
cmp dl, 0x30
jge 0x100412f0
jmp 0x100413f4
mov edx, ecx
mov ecx, eax
call fcn.100cbd40
mov dh, 1
movaps xmm1, xmm0
mov byte [ebp - 0x26], dh
jmp 0x100413f7
cmp dl, 0x30
jl 0x100413f7
mov esi, edi
mov dword [ebp - 0x34], esi
cmp dl, 0x39
ja 0x100413f4
cmp ecx, 0x19999999
jb 0x100413b2
ja 0x1004139b
cmp eax, 0x99999999
jb 0x100413b2
cmp eax, 0x99999999
jne 0x10041368
cmp ecx, 0x19999999
jne 0x10041368
mov esi, dword [ebp - 0x34]
cmp dl, 0x35
ja 0x10041368
shld ecx, eax, 2
lea edi, [esi + 1]
xor edx, edx
movsx esi, byte [esi]
shl eax, 2
sub esi, 0x30
add dword [ebp - 0x2c], eax
mov eax, dword [ebp - 0x2c]
adc dword [ebp - 0x30], ecx
mov ecx, dword [ebp - 0x30]
shld ecx, eax, 1
mov dword [ebp - 0x24], edi
add eax, eax
mov dword [ebp - 0x34], edi
add eax, esi
mov esi, edi
mov dword [ebp - 0x2c], eax
adc edx, ecx
inc dword [ebp - 0x38]
mov ecx, edx
mov dl, byte [edi]
mov dword [ebp - 0x30], ecx
cmp dl, 0x30
jge 0x10041385
mov dh, byte [ebp - 0x26]
mov dl, byte [ebp - 0x25]
movsd xmm2, qword [0x1013af80]
test dh, dh
je 0x10041438
mov al, byte [edi]
cmp al, 0x30
jl 0x10041438
mov ecx, edi
nop
cmp al, 0x39
ja 0x10041435
movsx eax, byte [ecx]
lea edi, [ecx + 1]
sub eax, 0x30
mulsd xmm1, xmm2
mov ecx, edi
movd xmm0, eax
mov al, byte [edi]
cvtdq2pd xmm0, xmm0
addsd xmm1, xmm0
cmp al, 0x30
jge 0x10041410
mov dword [ebp - 0x24], edi
mov al, byte [edi]
mov dword [ebp - 0x34], 0
cmp al, 0x2e
jne 0x10041449
inc edi
mov dword [ebp - 0x24], edi
mov esi, edi
cmp al, 0x2e
jne 0x100414f5
mov al, byte [esi]
cmp al, 0x30
jl 0x1004151a
cmp al, 0x39
jg 0x1004151a
test dh, dh
jne 0x10041490
test dl, dl
je 0x10041475
mov ecx, dword [ebp - 0x2c]
mov edx, dword [ebp - 0x30]
jmp 0x1004147a
mov ecx, dword [ebp - 0x40]
xor edx, edx
call fcn.100cbd40
movsd xmm2, qword [0x1013af80]
movaps xmm1, xmm0
mov byte [ebp - 0x26], 1
jmp 0x10041493
mov byte [ebp - 0x26], dh
mov cl, byte [edi]
mov eax, esi
mov edx, dword [ebp - 0x38]
xorps xmm3, xmm3
mov dword [ebp - 0x5c], esi
mov edi, esi
mov dword [ebp - 0x44], esi
mov esi, edi
cmp cl, 0x39
jg 0x100414f2
cmp edx, 0x11
jge 0x100414db
dec dword [ebp - 0x34]
lea esi, [eax + 1]
movsx eax, byte [eax]
mov ecx, esi
sub eax, 0x30
mulsd xmm1, xmm2
mov dword [ebp - 0x24], ecx
movd xmm0, eax
cvtdq2pd xmm0, xmm0
addsd xmm1, xmm0
comisd xmm1, xmm3
jbe 0x100414e4
inc edx
jmp 0x100414e4
mov esi, dword [ebp - 0x5c]
inc esi
mov ecx, esi
mov dword [ebp - 0x24], ecx
mov cl, byte [ecx]
mov eax, esi
mov dword [ebp - 0x5c], eax
mov edi, eax
cmp cl, 0x30
jge 0x100414a5
mov dh, byte [ebp - 0x26]
xor edi, edi
cmp byte [esi], 0x65
je 0x10041505
cmp byte [esi], 0x45
jne 0x100415e1
inc esi
mov dword [ebp - 0x24], esi
test dh, dh
jne 0x1004153e
cmp byte [ebp - 0x25], dh
je 0x1004152d
mov ecx, dword [ebp - 0x2c]
mov edx, dword [ebp - 0x30]
jmp 0x10041532
mov ecx, dword [ebp - 0x4c]
mov eax, 0xe
sub esi, dword [ebp - 0x58]
mov dword [ebp - 0x50], ecx
jmp 0x100418d9
mov ecx, dword [ebp - 0x40]
xor edx, edx
call fcn.100cbd40
movaps xmm1, xmm0
mov byte [ebp - 0x26], 1
mov cl, byte [esi]
xor dl, dl
cmp cl, 0x2b
je 0x1004154e
cmp cl, 0x2d
jne 0x10041555
mov dl, 1
mov cl, byte [esi + 1]
inc esi
mov dword [ebp - 0x24], esi
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x10041655
inc esi
movsx edi, cl
sub edi, 0x30
mov dword [ebp - 0x24], esi
mov cl, byte [esi]
mov byte [ebp - 0x39], cl
test dl, dl
je 0x10041618
mov ecx, dword [ebp - 0x34]
mov eax, 0x66666667
add ecx, 0x7ffffff7
imul ecx
sar edx, 2
mov eax, edx
shr eax, 0x1f
add eax, edx
cmp byte [ebp - 0x39], 0x30
mov dword [ebp - 0x44], eax
jl 0x100415df
mov al, byte [esi]
nop dword [eax]
cmp al, 0x39
jg 0x100415df
movsx eax, byte [esi]
lea ecx, [edi + edi*4]
lea edi, [ecx - 0x18]
lea edx, [esi + 1]
mov dword [ebp - 0x24], edx
mov esi, edx
lea edi, [eax + edi*2]
cmp edi, dword [ebp - 0x44]
jle 0x100415d9
mov al, byte [edx]
cmp al, 0x30
jl 0x100415d9
mov ecx, edx
cmp al, 0x39
ja 0x100415d6
lea esi, [ecx + 1]
mov edx, esi
mov ecx, esi
mov al, byte [edx]
cmp al, 0x30
jge 0x100415c5
mov dword [ebp - 0x24], edx
mov al, byte [edx]
cmp al, 0x30
jge 0x100415a0
neg edi
mov edx, dword [ebp - 0x34]
cmp byte [ebp - 0x26], 0
je 0x1004170e
lea eax, [edi + edx]
cmp eax, 0xfffffecc
jge 0x1004167d
divsd xmm1, qword [0x1013b008]
add eax, 0x134
cmp eax, 0xfffffecc
jge 0x1004166a
xorps xmm0, xmm0
jmp 0x100416a0
mov edx, dword [ebp - 0x34]
mov eax, 0x134
sub eax, edx
mov dword [ebp - 0x44], eax
cmp cl, 0x30
jl 0x100415e4
mov al, byte [esi]
nop dword [eax]
cmp al, 0x39
jg 0x100415e1
movsx eax, byte [esi]
lea ecx, [edi + edi*4]
lea edi, [ecx - 0x18]
lea edx, [esi + 1]
mov dword [ebp - 0x24], edx
lea edi, [eax + edi*2]
cmp edi, dword [ebp - 0x44]
jg 0x100416aa
mov al, byte [edx]
mov esi, edx
cmp al, 0x30
jge 0x10041630
jmp 0x100415e1
mov eax, dword [ebp - 0x4c]
sub esi, dword [ebp - 0x58]
mov dword [eax + 0x18], 0xf
mov dword [eax + 0x1c], esi
jmp 0x100418ef
shl eax, 3
mov ecx, 0x101347c8
sub ecx, eax
movaps xmm0, xmm1
divsd xmm0, qword [ecx]
jmp 0x100416a0
lea ecx, [eax*8]
movaps xmm0, xmm1
test eax, eax
js 0x10041695
mulsd xmm0, qword [ecx + 0x101347c8]
jmp 0x100416a0
mov eax, 0x101347c8
sub eax, ecx
divsd xmm0, qword [eax]
comisd xmm0, xmmword [0x1013b010]
jbe 0x100416bf
mov eax, dword [ebp - 0x4c]
mov ecx, dword [ebp - 0x50]
mov dword [eax + 0x18], 0xd
mov dword [eax + 0x1c], ecx
jmp 0x100418ef
cmp byte [ebp - 0x27], 0
je 0x100416cc
xorps xmm0, xmmword [0x1013b160]
mov esi, dword [ebp - 0x54]
movsd qword [ebp - 0x48], xmm0
mov eax, dword [esi + 0x28]
sub eax, dword [esi + 0x24]
cmp eax, 0x10
jge 0x100416e8
push ecx
lea ecx, [esi + 0x18]
call fcn.10041b10
mov ecx, dword [esi + 0x24]
xorps xmm0, xmm0
movsd xmm3, qword [ebp - 0x48]
lea eax, [ecx + 0x10]
mov dword [esi + 0x24], eax
mov eax, 0x216
movups xmmword [ecx], xmm0
mov word [ecx + 0xe], ax
movsd qword [ecx], xmm3
jmp 0x100418ef
mov edx, dword [ebp - 0x54]
mov eax, dword [edx + 0x28]
lea edi, [edx + 0x18]
sub eax, dword [edi + 0xc]
cmp byte [ebp - 0x25], 0
je 0x1004184d
cmp byte [ebp - 0x27], 0
je 0x100417d1
mov esi, dword [ebp - 0x2c]
mov edi, dword [ebp - 0x30]
neg esi
adc edi, 0
neg edi
cmp eax, 0x10
jge 0x1004174c
push ecx
lea ecx, [edx + 0x18]
call fcn.10041b10
mov edx, dword [ebp - 0x54]
lea ecx, [edx + 0x18]
xorps xmm0, xmm0
mov edx, dword [ecx + 0xc]
lea eax, [edx + 0x10]
mov dword [ecx + 0xc], eax
mov eax, 0x96
movups xmmword [edx], xmm0
mov dword [edx], esi
mov dword [edx + 4], edi
mov word [edx + 0xe], ax
test edi, edi
jl 0x100417ac
jg 0x10041776
test esi, esi
jb 0x100417ac
mov eax, 0x196
mov word [edx + 0xe], ax
mov ecx, eax
xor eax, eax
or eax, edi
jne 0x10041792
mov eax, 0x1d6
mov word [edx + 0xe], ax
mov ecx, eax
and esi, 0x80000000
or esi, edi
jne 0x100418ef
or ecx, 0x20
mov word [edx + 0xe], cx
jmp 0x100418ef
cmp edi, 0xffffffff
jl 0x100418ef
jg 0x100417c3
cmp esi, 0x80000000
jb 0x100418ef
mov eax, 0xb6
mov word [edx + 0xe], ax
jmp 0x100418ef
cmp eax, 0x10
jge 0x100417de
push ecx
mov ecx, edi
call fcn.10041b10
mov esi, dword [edi + 0xc]
xorps xmm0, xmm0
mov edx, dword [ebp - 0x30]
mov ecx, dword [ebp - 0x2c]
lea eax, [esi + 0x10]
mov dword [edi + 0xc], eax
mov eax, 0x116
mov edi, eax
movups xmmword [esi], xmm0
mov dword [esi], ecx
mov dword [esi + 4], edx
mov word [esi + 0xe], ax
test edx, edx
jl 0x10041818
jg 0x1004180d
test ecx, ecx
jb 0x10041818
mov eax, 0x196
mov word [esi + 0xe], ax
mov edi, eax
movzx eax, di
mov dword [ebp - 0x44], eax
xor eax, eax
or eax, edx
jne 0x10041830
or edi, 0x40
mov word [esi + 0xe], di
movzx eax, di
jmp 0x10041833
mov eax, dword [ebp - 0x44]
and ecx, 0x80000000
or ecx, edx
jne 0x100418ef
or eax, 0x20
mov word [esi + 0xe], ax
jmp 0x100418ef
cmp byte [ebp - 0x27], 0
je 0x10041891
mov esi, dword [ebp - 0x40]
neg esi
cmp eax, 0x10
jge 0x10041865
push ecx
mov ecx, edi
call fcn.10041b10
mov ecx, dword [edi + 0xc]
xorps xmm0, xmm0
test esi, esi
lea eax, [ecx + 0x10]
mov dword [edi + 0xc], eax
mov eax, esi
cdq
movups xmmword [ecx], xmm0
mov dword [ecx], eax
mov eax, 0xb6
mov dword [ecx + 4], edx
mov edx, 0x1f6
cmovns eax, edx
mov word [ecx + 0xe], ax
jmp 0x100418ef
cmp eax, 0x10
jge 0x1004189e
push ecx
mov ecx, edi
call fcn.10041b10
mov ecx, dword [edi + 0xc]
xorps xmm0, xmm0
lea eax, [ecx + 0x10]
mov dword [edi + 0xc], eax
mov eax, dword [ebp - 0x40]
movups xmmword [ecx], xmm0
mov dword [ecx], eax
shr eax, 0x1a
not eax
mov dword [ecx + 4], 0
and eax, 0x20
or eax, 0x1d6
mov word [ecx + 0xe], ax
jmp 0x100418ef
sub esi, ecx
mov dword [ebp - 0x50], edi
mov eax, 3
mov dword [ebp - 0x4c], edi
mov ecx, dword [ebp - 0x4c]
mov edi, 0x18
mov edx, 0x1c
mov dword [ecx + edi], eax
mov ecx, dword [ebp - 0x50]
mov dword [ecx + edx], esi
mov ecx, dword [ebp - 0x60]
movq xmm0, qword [ebp - 0x24]
mov eax, dword [ebp - 0x58]
movq qword [ecx], xmm0
mov dword [ecx + 8], eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.100cacb6
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 8