Function at 0x14007b7f0
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push r12
push r14
push r15
sub rsp, 0x50
mov r14, qword [rsp + 0x98]
xor r12d, r12d
mov r15, r9
mov rbp, r8
mov rsi, rdx
mov rdi, rcx
mov qword [r14], r12
movzx eax, byte [rdx]
cmp al, 0xa
je 0x14007bd64
cmp al, 0xd
je 0x14007bd64
lea r14, [rcx + 0x13c]
mov ebx, 4
mov ecx, dword [r14]
mov r15d, 1
lea eax, [rcx + 1]
mov dword [r14], eax
test ecx, ecx
jne 0x14007bc7f
mov dword [rdi + 0x148], r12d
mov rax, qword [rdi + 0x18]
mov rcx, qword [rax + 0x3e0]
mov eax, dword [rcx + 0x8c]
test al, 3
je 0x14007ba1d
movzx eax, byte [rdx]
mov rbx, rdx
test al, al
je 0x14007b89c
cmp al, 0x20
je 0x14007b891
cmp byte [rbx], 9
jne 0x14007b89c
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x14007b888
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rbx
call fcn.140006aeb
test eax, eax
jne 0x14007b955
movsx edx, byte [rbx + 5]
mov ecx, edx
sub ecx, 0x31
je 0x14007b985
sub ecx, r15d
je 0x14007b8e9
cmp ecx, r15d
je 0x14007b8e9
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rdi
call fcn.140008963
mov eax, r15d
jmp 0x14007bded
movzx eax, byte [rbx + 6]
cmp al, 0x20
je 0x14007b8f5
cmp al, 9
jne 0x14007b955
lea eax, [rdx - 0x30]
lea ecx, [rax + rax*4]
add ecx, ecx
mov dword [rdi + 0x148], ecx
movsx ecx, byte [rbx + 7]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14007b955
movsx edx, byte [rbx + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14007b955
movsx r8d, byte [rbx + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14007b955
lea ecx, [rcx + rcx*4]
lea ecx, [rdx + rcx*2]
lea ecx, [rcx + rcx*4]
lea ecx, [rcx - 0xa68]
lea ecx, [r8 + rcx*2]
mov dword [rdi + 0x14c], ecx
movzx eax, byte [rbx + 0xa]
cmp al, 0x20
je 0x14007bb00
sub al, 9
cmp al, 4
jbe 0x14007bb00
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.14007a030
cmp eax, r15d
jne 0x14007bcaa
mov dword [rdi + 0x14c], 0xc8
mov dword [rdi + 0x148], 0xa
jmp 0x14007bb00
cmp byte [rbx + 6], 0x2e
jne 0x14007ba06
movsx ecx, byte [rbx + 7]
lea eax, [rcx - 0x30]
cmp al, r15b
ja 0x14007ba06
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x14007b9a3
cmp al, 9
jne 0x14007ba06
lea eax, [rcx - 0x26]
mov dword [rdi + 0x148], eax
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14007ba06
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14007ba06
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14007ba06
lea ecx, [rcx + rcx*4]
lea ecx, [rdx + rcx*2]
lea ecx, [rcx + rcx*4]
lea ecx, [rcx - 0xa68]
lea ecx, [r8 + rcx*2]
mov dword [rdi + 0x14c], ecx
movzx eax, byte [rbx + 0xc]
cmp al, 0x20
je 0x14007bb00
cmp al, 9
je 0x14007bb00
sub al, 0xa
cmp al, 3
jbe 0x14007bb00
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rdi
call fcn.140008963
mov eax, r15d
jmp 0x14007bded
bt eax, 0x12
jae 0x14007bcaa
movzx eax, byte [rdx]
mov rbx, rsi
test al, al
je 0x14007ba45
cmp al, 0x20
je 0x14007ba3a
cmp byte [rbx], 9
jne 0x14007ba45
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x14007ba31
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rbx
call fcn.140006aeb
test eax, eax
jne 0x14007bcaa
movzx eax, byte [rbx + 5]
sub al, 0x30
cmp al, 9
ja 0x14007bcb1
cmp byte [rbx + 6], 0x2e
jne 0x14007bcb1
movzx eax, byte [rbx + 7]
sub al, 0x30
cmp al, 9
ja 0x14007bcb1
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x14007ba98
cmp al, 9
jne 0x14007bcb1
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14007bcb1
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14007bcb1
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14007bcb1
lea ecx, [rcx + rcx*4]
lea ecx, [rdx + rcx*2]
lea ecx, [rcx + rcx*4]
lea ecx, [rcx - 0xa68]
lea ecx, [r8 + rcx*2]
mov dword [rdi + 0x14c], ecx
movzx eax, byte [rbx + 0xc]
cmp al, 0x20
je 0x14007baf6
cmp al, 9
je 0x14007baf6
sub al, 0xa
cmp al, 3
ja 0x14007bcb1
mov dword [rdi + 0x148], sendto
mov r9d, dword [rdi + 0x148]
mov ecx, r9d
mov rbx, qword [rdi + 0x18]
sub ecx, 0xa
je 0x14007bb50
cmp ecx, r15d
je 0x14007bb50
mov eax, 0x66666667
mov rcx, rdi
imul r9d
mov r8d, edx
lea rdx, str.Unsupported_HTTP_version___u._d__in_response
sar r8d, 2
mov eax, r8d
shr eax, 0x1f
add r8d, eax
lea eax, [r8 + r8*4]
add eax, eax
sub r9d, eax
call fcn.140008963
mov eax, r15d
jmp 0x14007bded
movzx eax, byte [rbx + 0x7e0]
test al, al
je 0x14007bb9f
mov ecx, eax
mov eax, 0xcccccccd
mul ecx
mov eax, 0x66666667
mov r8d, edx
imul r9d
shr r8d, 3
mov r9d, edx
sar r9d, 2
mov eax, r9d
shr eax, 0x1f
add r9d, eax
cmp r9d, r8d
je 0x14007bb9f
lea rdx, str.Version_mismatch__from_HTTP__u_to_HTTP__u_
mov rcx, rdi
call fcn.140008963
mov eax, r15d
jmp 0x14007bded
mov eax, dword [rdi + 0x14c]
mov dword [rdi + 0x1338], eax
mov eax, dword [rdi + 0x148]
mov dword [rdi + 0x1340], eax
movzx eax, byte [rdi + 0x148]
mov byte [rbx + 0x7e0], al
movzx eax, byte [rdi + 0x1319]
test al, al
je 0x14007bbd7
cmp eax, dword [rdi + 0x148]
jle 0x14007bbe4
movzx eax, byte [rdi + 0x148]
mov byte [rdi + 0x1319], al
cmp qword [rdi + 0x1120], r12
je 0x14007bc09
cmp byte [rdi + 0x131a], r12b
jne 0x14007bc09
cmp dword [rdi + 0x14c], 0x1a0
jne 0x14007bc09
mov byte [rdi + 0x1e3], r15b
cmp dword [rdi + 0x148], 0xa
jne 0x14007bc2c
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rdi
call fcn.140007563
mov edx, r15d
mov rcx, rbx
call fcn.1400045c5
mov ecx, dword [rdi + 0x14c]
lea eax, [rcx - 0x64]
cmp eax, 0x63
setbe al
mov byte [rdi + 0x1e4], al
sub ecx, 0xcc
je 0x14007bc5e
cmp ecx, 0x64
jne 0x14007bc73
cmp byte [rdi + 0x538], r12b
je 0x14007bc5e
mov byte [rdi + 0x1414], r15b
mov qword [rdi + 0x100], r12
mov qword [rdi + 0x108], r12
mov byte [rdi + 0x1e4], r15b
mov ebx, listen
lea r14, [rdi + 0x13c]
mov r8, rbp
xor edx, edx
mov rcx, rsi
call fcn.140005a1f
test rax, rax
je 0x14007bcbb
lea rdx, str.Nul_byte_in_header
mov rcx, rdi
mov ebx, 8
call fcn.140008963
jmp 0x14007bdeb
mov byte [rdi + 0x1d9], r12b
mov eax, 8
jmp 0x14007bded
mov ecx, dword [r14]
cmp ecx, 2
jl 0x14007bd01
movzx eax, byte [rsi]
cmp al, 0x20
je 0x14007bcce
cmp al, 9
jne 0x14007bcd3
cmp ecx, 2
jg 0x14007bd01
mov r8, rbp
mov edx, 0x3a
mov rcx, rsi
call fcn.140005a1f
test rax, rax
jne 0x14007bd01
lea rdx, str.Header_without_colon
mov rcx, rdi
mov ebx, 8
call fcn.140008963
jmp 0x14007bdeb
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.140007f22
test eax, eax
jne 0x14007bded
mov r9, rbp
mov r8, rsi
mov edx, r15d
mov rcx, rdi
call fcn.140007243
mov eax, dword [rdi + 0x14c]
sub eax, 0x64
cmp eax, 0x64
jae 0x14007bd39
or ebx, 0x20
mov r9, rbp
mov r8, rsi
mov edx, ebx
mov rcx, rdi
call fcn.1400049e9
test eax, eax
jne 0x14007bded
xor r8d, r8d
mov rdx, rbp
mov rcx, rdi
call fcn.140007c9d
jmp 0x14007bded
lea rdx, [r8 + 1]
lea rcx, [rsp + 0x30]
call fcn.140001c8a
mov r8, rbp
lea rcx, [rsp + 0x30]
mov rdx, rsi
call fcn.1400040f7
test eax, eax
jne 0x14007bded
lea rcx, [rdi + 0xc58]
call fcn.140002842
lea rcx, [rsp + 0x30]
call fcn.140003715
lea rcx, [rsp + 0x30]
mov rbx, rax
call fcn.14000528b
mov rcx, qword [rsp + 0x90]
mov rdx, rax
lea rax, [rsp + 0x98]
mov r9, r15
mov qword [rsp + 0x28], rax
mov r8, rbx
mov qword [rsp + 0x20], rcx
mov rcx, rdi
call fcn.14007a540
mov rcx, qword [rsp + 0x98]
mov ebx, eax
add qword [r14], rcx
lea rcx, [rsp + 0x30]
call fcn.1400062da
mov eax, ebx
lea r11, [rsp + 0x50]
mov rbx, qword [r11 + 0x20]
mov rbp, qword [r11 + 0x28]
mov rsi, qword [r11 + 0x30]
mov rdi, qword [r11 + 0x38]
mov rsp, r11
pop r15
pop r14
pop r12
ret