Function at 0x180007670
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
mov qword [rsp + 0x18], r8
mov qword [rsp + 0x10], rdx
mov qword [rsp + 8], rcx
push rbp
push rbx
push rsi
push rdi
push r13
push r14
lea rbp, [rsp - 0x2f]
sub rsp, 0x88
movups xmm0, xmmword [rdx]
mov r10, rcx
movaps xmmword [rsp + 0x60], xmm6
xorps xmm1, xmm1
movq r8, xmm0
movaps xmmword [rsp + 0x50], xmm7
movsd xmm7, qword [rdx + 0x10]
mov rax, r8
movsd qword [rbp - 0x19], xmm7
xorps xmm6, xmm6
mov rdi, qword [rbp - 0x19]
sub rax, rdi
cmp byte [r8], 0x2d
movups xmmword [rbp - 0x29], xmm0
mov qword [rbp - 0x31], rax
jne 0x1800076dc
inc r8
mov r9b, 1
mov qword [rbp - 0x29], r8
jmp 0x1800076df
xor r9b, r9b
movsx ecx, byte [r8]
xor r13d, r13d
movsd xmm2, qword [0x180262a28]
xor sil, sil
mov qword [rsp + 0x80], r12
mov ebx, r13d
mov byte [rbp + 0x7f], r9b
mov r14d, r13d
mov qword [rsp + 0x78], r15
cmp cl, 0x30
jne 0x180007720
lea rdx, [r8 + 1]
mov r12d, r13d
mov qword [rbp - 0x29], rdx
xor r15b, r15b
jmp 0x1800078ea
lea eax, [rcx - 0x31]
cmp al, 8
ja 0x180007e5d
inc r8
lea eax, [rcx - 0x30]
movzx ecx, byte [r8]
test r9b, r9b
je 0x18000778a
cmp cl, 0x30
jl 0x1800077d9
mov rdx, r8
mov r9, r8
nop dword [rax]
cmp cl, 0x39
ja 0x1800077d4
cmp eax, 0xccccccc
jb 0x180007766
jne 0x1800077cf
mov rdx, r9
cmp cl, 0x38
ja 0x1800077cf
lea ecx, [rax + rax*4]
inc r14d
movsx eax, byte [rdx]
lea r8, [rdx + 1]
mov rdx, r8
mov r9, r8
lea eax, [rax + rcx*2]
movzx ecx, byte [r8]
add eax, 0xffffffd0
cmp cl, 0x30
jge 0x180007750
jmp 0x1800077d4
cmp cl, 0x30
jl 0x1800077d9
mov rdx, r8
mov r9, r8
cmp cl, 0x39
ja 0x1800077d4
cmp eax, 0x19999999
jb 0x1800077ab
jne 0x1800077cf
mov rdx, r9
cmp cl, 0x35
ja 0x1800077cf
lea ecx, [rax + rax*4]
inc r14d
movsx eax, byte [rdx]
lea r8, [rdx + 1]
mov rdx, r8
mov r9, r8
lea eax, [rax + rcx*2]
movzx ecx, byte [r8]
add eax, 0xffffffd0
cmp cl, 0x30
jge 0x180007795
jmp 0x1800077d4
mov sil, 1
mov ebx, eax
movzx r9d, byte [rbp + 0x7f]
xor r15b, r15b
mov rdx, r8
mov qword [rbp - 0x29], rdx
movzx r10d, sil
mov r12d, eax
test sil, sil
je 0x1800078e2
mov qword [rbp - 0x29], rdx
test r9b, r9b
je 0x18000786d
movzx ecx, byte [r8]
cmp cl, 0x30
jl 0x1800078e2
mov r9, r8
mov qword [rbp - 0x29], rdx
movabs r10, 0xccccccccccccccc
nop word [rax + rax]
xor r15b, r15b
cmp cl, 0x39
ja 0x1800078e2
cmp rbx, r10
jb 0x18000783b
jne 0x180007865
mov r8, r9
cmp cl, 0x38
ja 0x180007865
movsx ecx, byte [r8]
lea rdx, [r8 + 1]
sub ecx, 0x30
mov qword [rbp - 0x29], rdx
lea rax, [rbx + rbx*4]
inc r14d
mov r8, rdx
mov r9, rdx
lea rbx, [rcx + rax*2]
movzx ecx, byte [rdx]
cmp cl, 0x30
jge 0x180007820
jmp 0x1800078e2
mov rcx, rbx
jmp 0x18000798a
movzx r9d, byte [r8]
cmp r9b, 0x30
jl 0x1800078e2
mov byte [rbp - 0x39], r10b
mov rsi, r8
movabs r10, 0x1999999999999999
mov qword [rbp - 0x29], rdx
nop dword [rax]
xor r15b, r15b
mov rcx, rbx
cmp r9b, 0x39
ja 0x1800078de
cmp rbx, r10
jb 0x1800078b4
jne 0x180007986
mov r8, rsi
cmp r9b, 0x35
ja 0x180007986
movsx ecx, byte [r8]
lea rdx, [r8 + 1]
movzx r9d, byte [rdx]
lea rax, [rbx + rbx*4]
sub ecx, 0x30
mov qword [rbp - 0x29], rdx
inc r14d
mov r8, rdx
mov rsi, rdx
lea rbx, [rcx + rax*2]
cmp r9b, 0x30
jge 0x180007890
movzx esi, byte [rbp - 0x39]
mov r10, qword [rbp + 0x67]
mov rdi, qword [rbp - 0x19]
cmp byte [rdx], 0x2e
mov r11d, r13d
jne 0x180007a80
movzx eax, byte [rdx + 1]
lea r8, [rdx + 1]
mov qword [rbp - 0x29], r8
cmp al, 0x30
jl 0x180007ab4
cmp al, 0x39
jg 0x180007ab4
mov rdx, r8
test r15b, r15b
jne 0x180007a13
test sil, sil
jne 0x180007926
mov ebx, r12d
mov rax, r8
mov rcx, r8
movabs r9, 0x1fffffffffffff
cmp byte [r8], 0x39
jg 0x180007974
mov rdx, rcx
cmp rbx, r9
ja 0x180007974
movsx ecx, byte [rax]
lea r8, [rax + 1]
sub ecx, 0x30
mov qword [rbp - 0x29], r8
lea rax, [rbx + rbx*4]
dec r11d
mov rdx, r8
lea rbx, [rcx + rax*2]
test rbx, rbx
je 0x180007968
inc r14d
cmp byte [r8], 0x30
mov rax, r8
mov rcx, rdx
jge 0x180007936
xorps xmm1, xmm1
test rbx, rbx
js 0x1800079f5
cvtsi2sd xmm1, rbx
jmp 0x180007a0d
movzx esi, byte [rbp - 0x39]
mov r15b, 1
xorps xmm1, xmm1
test rcx, rcx
js 0x18000799c
cvtsi2sd xmm1, rcx
jmp 0x1800079b1
mov rax, rcx
and ecx, 1
shr rax, 1
or rax, rcx
cvtsi2sd xmm1, rax
addsd xmm1, xmm1
movzx eax, byte [rdx]
cmp al, 0x30
jl 0x1800078e2
mov rcx, rdx
nop
cmp al, 0x39
ja 0x1800078e2
movsx eax, byte [rcx]
lea rdx, [rcx + 1]
sub eax, 0x30
mulsd xmm1, xmm2
mov qword [rbp - 0x29], rdx
mov rcx, rdx
movd xmm0, eax
movzx eax, byte [rdx]
cvtdq2pd xmm0, xmm0
addsd xmm1, xmm0
cmp al, 0x30
jge 0x1800079c0
jmp 0x1800078e2
mov rax, rbx
mov rcx, rbx
shr rcx, 1
and eax, 1
or rcx, rax
cvtsi2sd xmm1, rcx
addsd xmm1, xmm1
movzx eax, byte [rdx]
mov r15b, 1
cmp al, 0x30
jl 0x180007a80
movzx ecx, byte [r8]
mov rax, rdx
mov r10, rdx
mov r9, rdx
mov rdx, r9
cmp cl, 0x39
jg 0x180007a80
cmp r14d, 0x11
jge 0x180007a64
lea rdx, [rax + 1]
mulsd xmm1, xmm2
movsx eax, byte [rax]
dec r11d
sub eax, 0x30
mov qword [rbp - 0x29], rdx
mov rcx, rdx
movd xmm0, eax
cvtdq2pd xmm0, xmm0
addsd xmm0, xmm1
comisd xmm0, xmm6
movaps xmm1, xmm0
jbe 0x180007a6f
inc r14d
jmp 0x180007a6f
lea rdx, [r10 + 1]
mov rcx, rdx
mov qword [rbp - 0x29], rdx
movzx ecx, byte [rcx]
mov rax, rdx
mov r10, rdx
mov r9, rdx
cmp cl, 0x30
jge 0x180007a24
cmp byte [rdx], 0x65
je 0x180007a8e
cmp byte [rdx], 0x45
jne 0x180007b99
inc rdx
mov qword [rbp - 0x29], rdx
test r15b, r15b
jne 0x180007ad6
mov rcx, rbx
test sil, sil
jne 0x180007aa5
mov ecx, r12d
xorps xmm1, xmm1
test rcx, rcx
js 0x180007abe
cvtsi2sd xmm1, rcx
jmp 0x180007ad3
mov ecx, 0xe
jmp 0x180007e62
mov rax, rcx
and ecx, 1
shr rax, 1
or rax, rcx
cvtsi2sd xmm1, rax
addsd xmm1, xmm1
mov r15b, 1
movzx ecx, byte [rdx]
xor r10b, r10b
cmp cl, 0x2b
je 0x180007ae9
cmp cl, 0x2d
jne 0x180007af4
mov r10b, 1
movzx ecx, byte [rdx + 1]
inc rdx
mov qword [rbp - 0x29], rdx
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x180007c5b
movzx r9d, byte [rdx + 1]
lea r8, [rdx + 1]
movsx r13d, cl
sub r13d, 0x30
mov qword [rbp - 0x29], r8
test r10b, r10b
je 0x180007c0d
lea ecx, [r11 + 0x7ffffff7]
mov eax, 0x66666667
imul ecx
mov r10d, edx
sar r10d, 2
mov eax, r10d
shr eax, 0x1f
add r10d, eax
cmp r9b, 0x30
jl 0x180007b96
cmp r9b, 0x39
ja 0x180007b96
movsx eax, byte [r8]
lea r13d, [r13 + r13*4]
lea rdx, [r8 + 1]
lea r13d, [r13 - 0x18]
mov qword [rbp - 0x29], rdx
mov r8, rdx
lea r13d, [rax + r13*2]
cmp r13d, r10d
jle 0x180007b8c
movzx eax, byte [rdx]
cmp al, 0x30
jl 0x180007b8c
mov rcx, rdx
cmp al, 0x39
ja 0x180007b88
movzx eax, byte [rcx + 1]
lea r8, [rcx + 1]
mov rdx, r8
mov rcx, r8
cmp al, 0x30
jge 0x180007b72
mov qword [rbp - 0x29], rdx
movzx r9d, byte [rdx]
cmp r9b, 0x30
jge 0x180007b41
neg r13d
test r15b, r15b
je 0x180007ce2
lea ecx, [r11 + r13]
cmp ecx, 0xfffffecc
jge 0x180007c72
mulsd xmm1, qword [0x1802624a8]
lea eax, [rcx + 0x134]
cmp eax, 0xfffffecc
jl 0x180007c99
movsxd rax, ecx
lea rax, [rax*8 + 0x9a0]
lea rcx, [0x18025cb30]
movaps xmm6, xmm1
sub rcx, rax
divsd xmm6, qword [rcx]
comisd xmm6, xmmword [0x180262c00]
jbe 0x180007c99
mov rax, qword [rbp + 0x67]
mov rcx, qword [rbp - 0x31]
mov dword [rax + 0x30], 0xd
mov qword [rax + 0x38], rcx
jmp 0x180007e75
mov edx, 0x134
sub edx, r11d
cmp r9b, 0x30
jl 0x180007b99
nop
cmp r9b, 0x39
ja 0x180007b99
movsx eax, byte [r8]
lea r13d, [r13 + r13*4]
lea r13d, [r13 - 0x18]
lea r9, [r8 + 1]
mov qword [rbp - 0x29], r9
lea r13d, [rax + r13*2]
cmp r13d, edx
jg 0x180007bf5
cmp byte [r9], 0x30
mov r8, r9
jl 0x180007b99
movzx r9d, byte [r9]
jmp 0x180007c20
mov rax, qword [rbp + 0x67]
sub rdx, rdi
mov dword [rax + 0x30], 0xf
mov qword [rax + 0x38], rdx
jmp 0x180007e75
movsxd rax, ecx
lea rax, [rax*8]
test ecx, ecx
js 0x180007bd6
lea rcx, [0x18025cb30]
movaps xmm6, xmm1
mulsd xmm6, qword [rax + rcx]
jmp 0x180007be7
cmp byte [rbp + 0x7f], 0
je 0x180007ca6
xorps xmm6, xmmword [0x180263210]
mov rbx, qword [rbp + 0x77]
mov rax, qword [rbx + 0x40]
sub rax, qword [rbx + 0x38]
cmp rax, 0x10
jge 0x180007cc1
lea rcx, [rbx + 0x20]
call fcn.180008280
mov rcx, qword [rbx + 0x38]
xorps xmm0, xmm0
lea rax, [rcx + 0x10]
mov qword [rbx + 0x38], rax
movups xmmword [rcx], xmm0
mov word [rcx + 0xe], 0x216
movsd qword [rcx], xmm6
jmp 0x180007e75
mov r14, qword [rbp + 0x77]
mov rax, qword [r14 + 0x40]
sub rax, qword [r14 + 0x38]
test sil, sil
je 0x180007dd2
cmp byte [rbp + 0x7f], 0
je 0x180007d66
neg rbx
cmp rax, 0x10
jge 0x180007d0f
lea rcx, [r14 + 0x20]
call fcn.180008280
mov rcx, qword [r14 + 0x38]
xorps xmm0, xmm0
lea rax, [rcx + 0x10]
mov qword [r14 + 0x38], rax
movups xmmword [rcx], xmm0
mov qword [rcx], rbx
mov word [rcx + 0xe], 0x96
test rbx, rbx
js 0x180007d4e
movabs rdx, 0xffffffff00000000
mov eax, 0x196
mov word [rcx + 0xe], ax
test rdx, rbx
jne 0x180007db8
mov eax, 0x1d6
jmp 0x180007db4
cmp rbx, 0xffffffff80000000
jl 0x180007e75
mov word [rcx + 0xe], 0xb6
jmp 0x180007e75
cmp rax, 0x10
jge 0x180007d75
lea rcx, [r14 + 0x20]
call fcn.180008280
mov rcx, qword [r14 + 0x38]
xorps xmm0, xmm0
lea rax, [rcx + 0x10]
mov qword [r14 + 0x38], rax
mov eax, 0x116
movups xmmword [rcx], xmm0
mov word [rcx + 0xe], ax
mov qword [rcx], rbx
test rbx, rbx
js 0x180007da1
mov eax, 0x196
mov word [rcx + 0xe], ax
movabs rdx, 0xffffffff00000000
test rdx, rbx
jne 0x180007db8
or ax, 0x40
mov word [rcx + 0xe], ax
test rbx, 0xffffffff80000000
jne 0x180007e75
or ax, 0x20
mov word [rcx + 0xe], ax
jmp 0x180007e75
cmp byte [rbp + 0x7f], 0
je 0x180007e19
neg r12d
cmp rax, 0x10
jge 0x180007dea
lea rcx, [r14 + 0x20]
call fcn.180008280
mov rcx, qword [r14 + 0x38]
xorps xmm0, xmm0
test r12d, r12d
mov edx, 0x1f6
lea rax, [rcx + 0x10]
mov qword [r14 + 0x38], rax
movsxd rax, r12d
movups xmmword [rcx], xmm0
mov qword [rcx], rax
mov eax, 0xb6
cmovns ax, dx
mov word [rcx + 0xe], ax
jmp 0x180007e75
cmp rax, 0x10
jge 0x180007e28
lea rcx, [r14 + 0x20]
call fcn.180008280
mov rcx, qword [r14 + 0x38]
xorps xmm0, xmm0
lea rax, [rcx + 0x10]
mov qword [r14 + 0x38], rax
mov eax, r12d
shr r12d, 0x1a
not r12w
movups xmmword [rcx], xmm0
mov qword [rcx], rax
and r12w, 0x20
mov eax, 0x1d6
or r12w, ax
mov word [rcx + 0xe], r12w
jmp 0x180007e75
mov ecx, 3
mov eax, 0x30
mov rdx, r10
sub r8, rdi
mov dword [r10 + rax], ecx
mov qword [rdx + 0x38], r8
mov rax, qword [rbp + 0x6f]
movups xmm0, xmmword [rbp - 0x29]
mov r15, qword [rsp + 0x78]
mov r12, qword [rsp + 0x80]
movaps xmm6, xmmword [rsp + 0x60]
movups xmmword [rax], xmm0
movsd qword [rax + 0x10], xmm7
movaps xmm7, xmmword [rsp + 0x50]
add rsp, 0x88
pop r14
pop r13
pop rdi
pop rsi
pop rbx
pop rbp
ret