Function at 0x140097200
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
mov qword [rsp + 0x18], r8
mov qword [rsp + 8], rcx
push rbx
push rbp
push rsi
push rdi
push r13
push r15
sub rsp, 0x78
mov rbx, rdx
movaps xmmword [rsp + 0x50], xmm6
mov rdx, qword [rdx + 0x28]
xorps xmm6, xmm6
movaps xmmword [rsp + 0x40], xmm7
movaps xmmword [rsp + 0x30], xmm8
xorps xmm8, xmm8
mov rax, qword [rbx + 0x38]
sub rax, qword [rbx + 0x10]
movzx edi, byte [rdx]
add rax, rdx
mov qword [rsp + 0x20], rax
cmp dil, 0x2d
jne 0x140097269
mov rcx, rbx
call fcn.140095690
mov rdx, qword [rbx + 0x28]
mov r13b, 1
mov rcx, qword [rsp + 0xb0]
movzx edi, byte [rdx]
jmp 0x14009726c
xor r13b, r13b
movsd xmm7, qword [0x1403e4020]
xor ebp, ebp
mov qword [rsp + 0x70], r12
mov esi, ebp
mov byte [rsp + 0xb8], sil
mov r15d, ebp
mov byte [rsp + 0xc8], r13b
mov qword [rsp + 0x68], r14
cmp dil, 0x30
jne 0x1400972b2
mov rcx, rbx
mov r14d, ebp
call fcn.140095690
mov rdx, qword [rbx + 0x28]
xor r12b, r12b
jmp 0x1400974bb
lea eax, [rdi - 0x31]
cmp al, 8
ja 0x140097859
mov rcx, rbx
call fcn.140095690
mov rax, qword [rbx + 0x28]
movsx r14d, dil
sub r14d, 0x30
movzx edi, byte [rax]
test r13b, r13b
je 0x140097328
cmp dil, 0x30
jl 0x14009737c
cmp dil, 0x39
jg 0x14009737c
cmp r14d, 0xccccccc
jb 0x1400972fe
jne 0x140097371
cmp dil, 0x38
jg 0x140097371
mov rcx, rbx
call fcn.140095690
movsx eax, dil
lea r14d, [r14 + r14*4]
lea r14d, [r14 - 0x18]
inc r15d
lea r14d, [rax + r14*2]
mov rax, qword [rbx + 0x28]
movzx edi, byte [rax]
cmp dil, 0x30
jge 0x1400972e3
jmp 0x14009737c
cmp dil, 0x30
jl 0x14009737c
nop
cmp dil, 0x39
jg 0x14009737c
cmp r14d, 0x19999999
jb 0x140097347
jne 0x140097371
cmp dil, 0x35
jg 0x140097371
mov rcx, rbx
call fcn.140095690
movsx eax, dil
lea r14d, [r14 + r14*4]
lea r14d, [r14 - 0x18]
inc r15d
lea r14d, [rax + r14*2]
mov rax, qword [rbx + 0x28]
movzx edi, byte [rax]
cmp dil, 0x30
jge 0x140097330
jmp 0x14009737c
mov byte [rsp + 0xb8], 1
mov esi, r14d
xor r12b, r12b
mov r8, rax
cmp byte [rsp + 0xb8], bpl
je 0x14009746a
movzx ecx, byte [rax]
test r13b, r13b
je 0x1400973f1
cmp cl, 0x30
jl 0x14009746a
movzx edi, cl
movabs r13, 0xccccccccccccccc
nop
cmp dil, 0x39
jg 0x14009746a
cmp rsi, r13
jb 0x1400973c7
jne 0x140097440
cmp dil, 0x38
jg 0x140097440
mov rcx, rbx
call fcn.140095690
mov r8, qword [rbx + 0x28]
lea rax, [rsi + rsi*4]
movsx ecx, dil
inc r15d
sub ecx, 0x30
movzx edi, byte [r8]
lea rsi, [rcx + rax*2]
cmp dil, 0x30
jge 0x1400973b0
jmp 0x14009746a
cmp cl, 0x30
jl 0x14009746a
movzx edi, cl
movabs r13, 0x1999999999999999
cmp dil, 0x39
jg 0x14009746a
cmp rsi, r13
jb 0x140097416
jne 0x140097440
cmp dil, 0x35
jg 0x140097440
mov rcx, rbx
call fcn.140095690
mov r8, qword [rbx + 0x28]
lea rax, [rsi + rsi*4]
movsx ecx, dil
inc r15d
sub ecx, 0x30
movzx edi, byte [r8]
lea rsi, [rcx + rax*2]
cmp dil, 0x30
jge 0x140097403
jmp 0x14009746a
xorps xmm6, xmm6
test rsi, rsi
js 0x14009744f
cvtsi2sd xmm6, rsi
jmp 0x140097467
mov rax, rsi
mov rcx, rsi
and eax, 1
shr rcx, 1
or rcx, rax
cvtsi2sd xmm6, rcx
addsd xmm6, xmm6
mov r12b, 1
mov rdx, r8
test r12b, r12b
je 0x1400974bb
cmp byte [r8], 0x30
jl 0x1400974bb
movzx edi, byte [r8]
nop dword [rax]
mov rdx, r8
cmp dil, 0x39
jg 0x1400974bb
mov rcx, rbx
call fcn.140095690
mov rdx, qword [rbx + 0x28]
movsx eax, dil
mov r8, rdx
sub eax, 0x30
mulsd xmm6, xmm7
movzx edi, byte [rdx]
movd xmm0, eax
cvtdq2pd xmm0, xmm0
addsd xmm0, xmm6
movaps xmm6, xmm0
cmp dil, 0x30
jge 0x140097480
cmp byte [rdx], 0x2e
mov r13d, ebp
jne 0x140097601
mov rcx, rbx
call fcn.140095690
mov rcx, qword [rbx + 0x28]
movzx edi, byte [rcx]
lea eax, [rdi - 0x30]
cmp al, 9
jbe 0x1400974fc
mov rax, qword [rbx + 0x38]
sub rax, qword [rbx + 0x10]
add rax, rcx
mov rcx, qword [rsp + 0xb0]
mov dword [rcx + 0x30], 0xe
jmp 0x14009786b
test r12b, r12b
jne 0x1400975aa
cmp byte [rsp + 0xb8], bpl
mov r8, rcx
mov eax, r14d
movabs r12, 0x1fffffffffffff
cmovne rax, rsi
mov rsi, rax
mov r9, rcx
mov rdx, r8
cmp dil, 0x39
jg 0x140097573
cmp rsi, r12
ja 0x140097573
mov rcx, rbx
call fcn.140095690
movsx ecx, dil
lea rax, [rsi + rsi*4]
sub ecx, 0x30
dec r13d
lea rsi, [rcx + rax*2]
mov rcx, qword [rbx + 0x28]
test rsi, rsi
lea eax, [r15 + 1]
mov r8, rcx
mov r9, rcx
cmove eax, r15d
mov rdx, rcx
movzx edi, byte [rcx]
mov r15d, eax
cmp dil, 0x30
jge 0x140097524
xorps xmm6, xmm6
test rsi, rsi
js 0x140097589
movzx edi, byte [r9]
mov r12b, 1
cvtsi2sd xmm6, rsi
jmp 0x1400975ad
movzx edi, byte [r9]
mov rax, rsi
mov rcx, rsi
and eax, 1
shr rcx, 1
mov r12b, 1
or rcx, rax
cvtsi2sd xmm6, rcx
addsd xmm6, xmm6
jmp 0x1400975ad
mov rdx, rcx
cmp dil, 0x30
jl 0x140097601
cmp dil, 0x39
jg 0x140097601
cmp r15d, 0x11
jge 0x1400975ec
mulsd xmm6, xmm7
dec r13d
movsx eax, dil
sub eax, 0x30
movd xmm0, eax
lea eax, [r15 + 1]
cvtdq2pd xmm0, xmm0
addsd xmm0, xmm6
comisd xmm0, xmm8
movaps xmm6, xmm0
cmovbe eax, r15d
mov r15d, eax
mov rcx, rbx
call fcn.140095690
mov rdx, qword [rbx + 0x28]
movzx edi, byte [rdx]
cmp dil, 0x30
jge 0x1400975b3
movzx eax, byte [rdx]
sub al, 0x45
test al, 0xdf
jne 0x140097729
mov rcx, rbx
call fcn.140095690
test r12b, r12b
jne 0x140097654
cmp byte [rsp + 0xb8], bpl
mov rcx, rsi
mov eax, r14d
xorps xmm6, xmm6
cmove rcx, rax
test rcx, rcx
js 0x14009763c
cvtsi2sd xmm6, rcx
jmp 0x140097651
mov rax, rcx
and ecx, 1
shr rax, 1
or rax, rcx
cvtsi2sd xmm6, rax
addsd xmm6, xmm6
mov r12b, 1
mov rcx, qword [rbx + 0x28]
xor r15b, r15b
movzx edi, byte [rcx]
cmp dil, 0x2b
jne 0x14009766e
mov rcx, rbx
call fcn.140095690
jmp 0x14009767f
cmp dil, 0x2d
jne 0x140097686
mov rcx, rbx
call fcn.140095690
mov r15b, 1
mov rcx, qword [rbx + 0x28]
movzx edi, byte [rcx]
lea eax, [rdi - 0x30]
cmp al, 9
ja 0x1400977cc
mov rcx, rbx
call fcn.140095690
mov rax, qword [rbx + 0x28]
movsx ebp, dil
sub ebp, 0x30
movzx edi, byte [rax]
test r15b, r15b
je 0x14009776f
lea ecx, [r13 + 0x7ffffff7]
mov eax, 0x66666667
imul ecx
mov r15d, edx
sar r15d, 2
mov eax, r15d
shr eax, 0x1f
add r15d, eax
cmp dil, 0x30
jl 0x140097727
cmp dil, 0x39
jg 0x140097727
mov rcx, rbx
call fcn.140095690
lea ebp, [rbp + rbp*4]
movsx eax, dil
lea ebp, [rbp - 0x18]
lea ebp, [rax + rbp*2]
cmp ebp, r15d
jle 0x14009771a
mov rax, qword [rbx + 0x28]
movzx ecx, byte [rax]
cmp cl, 0x30
jl 0x14009771a
cmp cl, 0x39
jg 0x14009771a
mov rcx, rbx
call fcn.140095690
mov rax, qword [rbx + 0x28]
movzx ecx, byte [rax]
cmp cl, 0x30
jge 0x140097701
mov rax, qword [rbx + 0x28]
movzx edi, byte [rax]
cmp dil, 0x30
jge 0x1400976d4
neg ebp
test r12b, r12b
je 0x1400977eb
mov edx, ebp
movaps xmm0, xmm6
add edx, r13d
call fcn.140011150
comisd xmm0, xmmword [0x1403e4078]
ja 0x1400977b3
cmp byte [rsp + 0xc8], 0
je 0x14009775a
xorps xmm0, xmmword [0x1403e4240]
mov rcx, qword [rsp + 0xc0]
movaps xmm1, xmm0
call fcn.1400146a0
jmp 0x14009783f
mov r15d, 0x134
sub r15d, r13d
cmp dil, 0x30
jl 0x140097729
nop
cmp dil, 0x39
jg 0x140097729
mov rcx, rbx
call fcn.140095690
lea ebp, [rbp + rbp*4]
movsx eax, dil
lea ebp, [rbp - 0x18]
lea ebp, [rax + rbp*2]
cmp ebp, r15d
jg 0x1400977b3
mov rax, qword [rbx + 0x28]
movzx edi, byte [rax]
cmp dil, 0x30
jge 0x140097780
jmp 0x140097729
mov rcx, qword [rsp + 0xb0]
mov rax, qword [rsp + 0x20]
mov dword [rcx + 0x30], 0xd
jmp 0x14009786b
mov rax, qword [rbx + 0x38]
sub rax, qword [rbx + 0x10]
add rax, rcx
mov rcx, qword [rsp + 0xb0]
mov dword [rcx + 0x30], 0xf
jmp 0x14009786b
cmp byte [rsp + 0xb8], 0
mov rcx, qword [rsp + 0xc0]
je 0x14009781f
cmp byte [rsp + 0xc8], 0
je 0x140097815
not rsi
lea rdx, [rsi + 1]
call fcn.140014790
jmp 0x14009783f
mov rdx, rsi
call fcn.140014700
jmp 0x14009783f
cmp byte [rsp + 0xc8], 0
je 0x140097837
not r14d
lea edx, [r14 + 1]
call fcn.140014850
jmp 0x14009783f
mov edx, r14d
call fcn.1400147e0
test al, al
jne 0x14009786f
mov rcx, qword [rsp + 0xb0]
mov rax, qword [rsp + 0x20]
mov dword [rcx + 0x30], 0x10
jmp 0x14009786b
mov rax, qword [rbx + 0x38]
sub rax, qword [rbx + 0x10]
add rax, rdx
mov dword [rcx + 0x30], 3
mov qword [rcx + 0x38], rax
mov r14, qword [rsp + 0x68]
mov r12, qword [rsp + 0x70]
movaps xmm6, xmmword [rsp + 0x50]
movaps xmm7, xmmword [rsp + 0x40]
movaps xmm8, xmmword [rsp + 0x30]
add rsp, 0x78
pop r15
pop r13
pop rdi
pop rsi
pop rbp
pop rbx
ret