Function at 0x14007a5c0
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 0x14007ab34
cmp al, 0xd
je 0x14007ab34
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 0x14007aa4f
mov dword [rdi + 0x148], r12d
mov rax, qword [rdi + 0x18]
mov rcx, qword [rax + 0x3e0]
mov eax, dword [rcx + 0x8c]
test al, 3
je 0x14007a7ed
movzx eax, byte [rdx]
mov rbx, rdx
test al, al
je 0x14007a66c
cmp al, 0x20
je 0x14007a661
cmp byte [rbx], 9
jne 0x14007a66c
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x14007a658
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rbx
call fcn.140006a91
test eax, eax
jne 0x14007a725
movsx edx, byte [rbx + 5]
mov ecx, edx
sub ecx, 0x31
je 0x14007a755
sub ecx, r15d
je 0x14007a6b9
cmp ecx, r15d
je 0x14007a6b9
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rdi
call fcn.140008909
mov eax, r15d
jmp 0x14007abbd
movzx eax, byte [rbx + 6]
cmp al, 0x20
je 0x14007a6c5
cmp al, 9
jne 0x14007a725
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 0x14007a725
movsx edx, byte [rbx + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14007a725
movsx r8d, byte [rbx + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14007a725
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 0x14007a8d0
sub al, 9
cmp al, 4
jbe 0x14007a8d0
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.140078e00
cmp eax, r15d
jne 0x14007aa7a
mov dword [rdi + 0x14c], 0xc8
mov dword [rdi + 0x148], 0xa
jmp 0x14007a8d0
cmp byte [rbx + 6], 0x2e
jne 0x14007a7d6
movsx ecx, byte [rbx + 7]
lea eax, [rcx - 0x30]
cmp al, r15b
ja 0x14007a7d6
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x14007a773
cmp al, 9
jne 0x14007a7d6
lea eax, [rcx - 0x26]
mov dword [rdi + 0x148], eax
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14007a7d6
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14007a7d6
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14007a7d6
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 0x14007a8d0
cmp al, 9
je 0x14007a8d0
sub al, 0xa
cmp al, 3
jbe 0x14007a8d0
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rdi
call fcn.140008909
mov eax, r15d
jmp 0x14007abbd
bt eax, 0x12
jae 0x14007aa7a
movzx eax, byte [rdx]
mov rbx, rsi
test al, al
je 0x14007a815
cmp al, 0x20
je 0x14007a80a
cmp byte [rbx], 9
jne 0x14007a815
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x14007a801
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rbx
call fcn.140006a91
test eax, eax
jne 0x14007aa7a
movzx eax, byte [rbx + 5]
sub al, 0x30
cmp al, 9
ja 0x14007aa81
cmp byte [rbx + 6], 0x2e
jne 0x14007aa81
movzx eax, byte [rbx + 7]
sub al, 0x30
cmp al, 9
ja 0x14007aa81
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x14007a868
cmp al, 9
jne 0x14007aa81
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14007aa81
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14007aa81
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14007aa81
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 0x14007a8c6
cmp al, 9
je 0x14007a8c6
sub al, 0xa
cmp al, 3
ja 0x14007aa81
mov dword [rdi + 0x148], sendto
mov r9d, dword [rdi + 0x148]
mov ecx, r9d
mov rbx, qword [rdi + 0x18]
sub ecx, 0xa
je 0x14007a920
cmp ecx, r15d
je 0x14007a920
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.140008909
mov eax, r15d
jmp 0x14007abbd
movzx eax, byte [rbx + 0x7e0]
test al, al
je 0x14007a96f
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 0x14007a96f
lea rdx, str.Version_mismatch__from_HTTP__u_to_HTTP__u_
mov rcx, rdi
call fcn.140008909
mov eax, r15d
jmp 0x14007abbd
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 0x14007a9a7
cmp eax, dword [rdi + 0x148]
jle 0x14007a9b4
movzx eax, byte [rdi + 0x148]
mov byte [rdi + 0x1319], al
cmp qword [rdi + 0x1120], r12
je 0x14007a9d9
cmp byte [rdi + 0x131a], r12b
jne 0x14007a9d9
cmp dword [rdi + 0x14c], 0x1a0
jne 0x14007a9d9
mov byte [rdi + 0x1e3], r15b
cmp dword [rdi + 0x148], 0xa
jne 0x14007a9fc
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rdi
call fcn.140007504
mov edx, r15d
mov rcx, rbx
call fcn.140004584
mov ecx, dword [rdi + 0x14c]
lea eax, [rcx - 0x64]
cmp eax, 0x63
setbe al
mov byte [rdi + 0x1e4], al
sub ecx, 0xcc
je 0x14007aa2e
cmp ecx, 0x64
jne 0x14007aa43
cmp byte [rdi + 0x538], r12b
je 0x14007aa2e
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.1400059c5
test rax, rax
je 0x14007aa8b
lea rdx, str.Nul_byte_in_header
mov rcx, rdi
mov ebx, 8
call fcn.140008909
jmp 0x14007abbb
mov byte [rdi + 0x1d9], r12b
mov eax, 8
jmp 0x14007abbd
mov ecx, dword [r14]
cmp ecx, 2
jl 0x14007aad1
movzx eax, byte [rsi]
cmp al, 0x20
je 0x14007aa9e
cmp al, 9
jne 0x14007aaa3
cmp ecx, 2
jg 0x14007aad1
mov r8, rbp
mov edx, 0x3a
mov rcx, rsi
call fcn.1400059c5
test rax, rax
jne 0x14007aad1
lea rdx, str.Header_without_colon
mov rcx, rdi
mov ebx, 8
call fcn.140008909
jmp 0x14007abbb
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.140007ec8
test eax, eax
jne 0x14007abbd
mov r9, rbp
mov r8, rsi
mov edx, r15d
mov rcx, rdi
call fcn.1400071e4
mov eax, dword [rdi + 0x14c]
sub eax, 0x64
cmp eax, 0x64
jae 0x14007ab09
or ebx, 0x20
mov r9, rbp
mov r8, rsi
mov edx, ebx
mov rcx, rdi
call fcn.1400049a3
test eax, eax
jne 0x14007abbd
xor r8d, r8d
mov rdx, rbp
mov rcx, rdi
call fcn.140007c48
jmp 0x14007abbd
lea rdx, [r8 + 1]
lea rcx, [rsp + 0x30]
call fcn.140001c67
mov r8, rbp
lea rcx, [rsp + 0x30]
mov rdx, rsi
call fcn.1400040bb
test eax, eax
jne 0x14007abbd
lea rcx, [rdi + 0xc58]
call fcn.14000281f
lea rcx, [rsp + 0x30]
call fcn.1400036e3
lea rcx, [rsp + 0x30]
mov rbx, rax
call fcn.14000523b
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.140079310
mov rcx, qword [rsp + 0x98]
mov ebx, eax
add qword [r14], rcx
lea rcx, [rsp + 0x30]
call fcn.140006276
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