Function at 0x14003e170
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 0x14003e6e6
cmp al, 0xd
je 0x14003e6e6
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 0x14003e601
mov dword [rdi + 0x148], r12d
mov rax, qword [rdi + 0x18]
mov rcx, qword [rax + 0x3e0]
mov eax, dword [rcx + 0x8c]
test al, 3
je 0x14003e39e
movzx eax, byte [rdx]
mov rbx, rdx
test al, al
je 0x14003e21c
cmp al, 0x20
je 0x14003e211
cmp byte [rbx], 9
jne 0x14003e21c
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x14003e208
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rbx
call qword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strncmp]
test eax, eax
jne 0x14003e2d6
movsx edx, byte [rbx + 5]
mov ecx, edx
sub ecx, 0x31
je 0x14003e306
sub ecx, r15d
je 0x14003e26a
cmp ecx, r15d
je 0x14003e26a
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rdi
call fcn.14002a350
mov eax, r15d
jmp 0x14003e76f
movzx eax, byte [rbx + 6]
cmp al, 0x20
je 0x14003e276
cmp al, 9
jne 0x14003e2d6
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 0x14003e2d6
movsx edx, byte [rbx + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14003e2d6
movsx r8d, byte [rbx + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14003e2d6
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 0x14003e482
sub al, 9
cmp al, 4
jbe 0x14003e482
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.14003d330
cmp eax, r15d
jne 0x14003e62c
mov dword [rdi + 0x14c], 0xc8
mov dword [rdi + 0x148], 0xa
jmp 0x14003e482
cmp byte [rbx + 6], 0x2e
jne 0x14003e387
movsx ecx, byte [rbx + 7]
lea eax, [rcx - 0x30]
cmp al, r15b
ja 0x14003e387
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x14003e324
cmp al, 9
jne 0x14003e387
lea eax, [rcx - 0x26]
mov dword [rdi + 0x148], eax
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14003e387
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14003e387
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14003e387
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 0x14003e482
cmp al, 9
je 0x14003e482
sub al, 0xa
cmp al, 3
jbe 0x14003e482
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rdi
call fcn.14002a350
mov eax, r15d
jmp 0x14003e76f
bt eax, 0x12
jae 0x14003e62c
movzx eax, byte [rdx]
mov rbx, rsi
test al, al
je 0x14003e3c6
cmp al, 0x20
je 0x14003e3bb
cmp byte [rbx], 9
jne 0x14003e3c6
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x14003e3b2
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rbx
call qword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strncmp]
test eax, eax
jne 0x14003e62c
movzx eax, byte [rbx + 5]
sub al, 0x30
cmp al, 9
ja 0x14003e633
cmp byte [rbx + 6], 0x2e
jne 0x14003e633
movzx eax, byte [rbx + 7]
sub al, 0x30
cmp al, 9
ja 0x14003e633
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x14003e41a
cmp al, 9
jne 0x14003e633
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14003e633
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14003e633
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14003e633
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 0x14003e478
cmp al, 9
je 0x14003e478
sub al, 0xa
cmp al, 3
ja 0x14003e633
mov dword [rdi + 0x148], listen
mov r9d, dword [rdi + 0x148]
mov ecx, r9d
mov rbx, qword [rdi + 0x18]
sub ecx, 0xa
je 0x14003e4d2
cmp ecx, r15d
je 0x14003e4d2
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.14002a350
mov eax, r15d
jmp 0x14003e76f
movzx eax, byte [rbx + 0x7e0]
test al, al
je 0x14003e521
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 0x14003e521
lea rdx, str.Version_mismatch__from_HTTP__u_to_HTTP__u_
mov rcx, rdi
call fcn.14002a350
mov eax, r15d
jmp 0x14003e76f
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 0x14003e559
cmp eax, dword [rdi + 0x148]
jle 0x14003e566
movzx eax, byte [rdi + 0x148]
mov byte [rdi + 0x1319], al
cmp qword [rdi + 0x1120], r12
je 0x14003e58b
cmp byte [rdi + 0x131a], r12b
jne 0x14003e58b
cmp dword [rdi + 0x14c], 0x1a0
jne 0x14003e58b
mov byte [rdi + 0x1e3], r15b
cmp dword [rdi + 0x148], 0xa
jne 0x14003e5ae
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rdi
call fcn.14002a440
mov edx, r15d
mov rcx, rbx
call fcn.14002d230
mov ecx, dword [rdi + 0x14c]
lea eax, [rcx - 0x64]
cmp eax, 0x63
setbe al
mov byte [rdi + 0x1e4], al
sub ecx, 0xcc
je 0x14003e5e0
cmp ecx, 0x64
jne 0x14003e5f5
cmp byte [rdi + 0x538], r12b
je 0x14003e5e0
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 sub.VCRUNTIME140.dll_memchr
test rax, rax
je 0x14003e63d
lea rdx, str.Nul_byte_in_header
mov rcx, rdi
mov ebx, 8
call fcn.14002a350
jmp 0x14003e76d
mov byte [rdi + 0x1d9], r12b
mov eax, 8
jmp 0x14003e76f
mov ecx, dword [r14]
cmp ecx, 2
jl 0x14003e683
movzx eax, byte [rsi]
cmp al, 0x20
je 0x14003e650
cmp al, 9
jne 0x14003e655
cmp ecx, 2
jg 0x14003e683
mov r8, rbp
mov edx, 0x3a
mov rcx, rsi
call sub.VCRUNTIME140.dll_memchr
test rax, rax
jne 0x14003e683
lea rdx, str.Header_without_colon
mov rcx, rdi
mov ebx, 8
call fcn.14002a350
jmp 0x14003e76d
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.14003b740
test eax, eax
jne 0x14003e76f
mov r9, rbp
mov r8, rsi
mov edx, r15d
mov rcx, rdi
call fcn.14002a260
mov eax, dword [rdi + 0x14c]
sub eax, 0x64
cmp eax, 0x64
jae 0x14003e6bb
or ebx, 0x20
mov r9, rbp
mov r8, rsi
mov edx, ebx
mov rcx, rdi
call fcn.14002b860
test eax, eax
jne 0x14003e76f
xor r8d, r8d
mov rdx, rbp
mov rcx, rdi
call fcn.14003ac40
jmp 0x14003e76f
lea rdx, [r8 + 1]
lea rcx, [rsp + 0x30]
call fcn.140014b50
mov r8, rbp
lea rcx, [rsp + 0x30]
mov rdx, rsi
call fcn.140014b10
test eax, eax
jne 0x14003e76f
lea rcx, [rdi + 0xc58]
call fcn.140014b90
lea rcx, [rsp + 0x30]
call fcn.140014b70
lea rcx, [rsp + 0x30]
mov rbx, rax
call fcn.140014b80
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.14003d470
mov rcx, qword [rsp + 0x98]
mov ebx, eax
add qword [r14], rcx
lea rcx, [rsp + 0x30]
call fcn.140014b20
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