Function at 0xa66070
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
mov eax, dword [ebp + 8]
push ebx
push esi
mov esi, ecx
mov ebx, edx
mov ecx, dword [eax]
push edi
push ecx
mov edx, dword [esi + 0xd0]
mov edi, edx
mov eax, edx
mov dword [ebp - 0x14], ebx
push 0xa
push eax
mov dword [ebp - 0x24], ecx
mov dword [ebp - 0x28], edx
mov dword [ebp - 8], eax
mov dword [ebp - 0xc], ecx
mov dword [ebp - 0x10], ecx
call fcn.00a93e50
mov ecx, eax
add esp, 0xc
test ecx, ecx
je 0xa66931
mov eax, dword [ebp - 0xc]
sub edi, ecx
mov edx, dword [ebp + 8]
dec eax
add eax, edi
mov dword [edx], eax
lea eax, [ecx + 1]
mov edx, dword [ebp - 8]
lea ecx, [esi + 0x8a4]
mov dword [esi + 0xd0], eax
sub eax, dword [ebp - 8]
push eax
call fcn.00a46850
add esp, 4
test eax, eax
jne 0xa669eb
mov edi, dword [esi + 0xcc]
test edi, edi
jne 0xa66118
lea ecx, [esi + 0x8a4]
call fcn.004df450
push eax
call fcn.00531090
push eax
mov edx, ebx
mov ecx, esi
call fcn.00a65560
add esp, 8
cmp eax, 2
je 0xa669bb
lea ecx, [esi + 0x8a4]
call fcn.00531090
mov edx, eax
mov dword [ebp - 0xc], edx
mov cl, byte [edx]
cmp cl, 0xa
je 0xa66505
cmp cl, 0xd
je 0xa66505
lea ecx, [edi + 1]
mov dword [esi + 0xcc], ecx
test edi, edi
jne 0xa6644a
mov eax, dword [ebx + 0x1e0]
mov eax, dword [eax + 0x44]
test al, 3
je 0xa66358
mov al, byte [edx]
mov edi, edx
test al, al
je 0xa66176
cmp al, 0x20
je 0xa6616e
cmp al, 9
jne 0xa66176
mov al, byte [edi + 1]
inc edi
test al, al
jne 0xa66166
push 5
push str.HTTP_
push edi
call fcn.00aa1630
add esp, 0xc
test eax, eax
jne 0xa66226
movsx ecx, byte [edi + 5]
mov eax, ecx
sub eax, 0x31
je 0xa66262
sub eax, 1
je 0xa661ab
sub eax, 1
jne 0xa66a0f
mov al, byte [edi + 6]
cmp al, 0x20
je 0xa661b6
cmp al, 9
jne 0xa66226
lea edx, [ecx - 0x30]
mov cl, byte [edi + 7]
mov al, cl
lea edx, [edx + edx*4]
add edx, edx
sub al, 0x30
mov dword [ebp - 8], edx
cmp al, 9
ja 0xa66226
mov al, byte [edi + 8]
mov byte [ebp - 1], al
sub al, 0x30
cmp al, 9
ja 0xa66226
mov al, byte [edi + 9]
mov byte [ebp - 2], al
sub al, 0x30
cmp al, 9
ja 0xa66226
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, byte [ebp - 1]
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, byte [ebp - 2]
lea ecx, [ecx - 0xa68]
lea ecx, [eax + ecx*2]
mov dword [esi + 0xe0], ecx
mov al, byte [edi + 0xa]
cmp al, 0x20
je 0xa662fc
cmp al, 9
je 0xa662fc
cmp al, 0xa
jl 0xa66226
cmp al, 0xd
jle 0xa662fc
lea ecx, [esi + 0x8a4]
call fcn.004df450
push eax
call fcn.00531090
mov edx, eax
mov ecx, esi
call fcn.00a654b0
add esp, 4
cmp eax, 1
jne 0xa66aa0
mov dword [esi + 0xe0], 0xc8
mov byte [ebx + 0x453], 0xa
jmp 0xa66434
cmp byte [edi + 6], 0x2e
jne 0xa66a7a
mov al, byte [edi + 7]
cmp al, 0x30
je 0xa6627b
cmp al, 0x31
jne 0xa66a7a
mov cl, byte [edi + 8]
cmp cl, 0x20
je 0xa6628c
cmp cl, 9
jne 0xa66a7a
mov cl, byte [edi + 9]
movsx edx, al
mov al, cl
sub edx, 0x26
sub al, 0x30
mov dword [ebp - 8], edx
cmp al, 9
ja 0xa66a7a
mov al, byte [edi + 0xa]
mov byte [ebp - 2], al
sub al, 0x30
cmp al, 9
ja 0xa66a7a
mov al, byte [edi + 0xb]
mov byte [ebp - 1], al
sub al, 0x30
cmp al, 9
ja 0xa66a7a
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, byte [ebp - 2]
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, byte [ebp - 1]
lea ecx, [ecx - 0xa68]
lea ecx, [eax + ecx*2]
mov dword [esi + 0xe0], ecx
mov al, byte [edi + 0xc]
cmp al, 0x20
je 0xa662fc
cmp al, 9
je 0xa662fc
sub al, 0xa
cmp al, 3
ja 0xa66a7a
cmp ecx, 0x64
jl 0xa66a60
mov eax, edx
sub eax, 0xa
je 0xa66315
sub eax, 1
jne 0xa66a29
mov byte [ebx + 0x453], dl
mov al, dl
cmp dword [esi + 0xfc], 3
jne 0xa6633f
cmp dl, 0x14
je 0xa6633f
push str.Lying_server__not_serving_HTTP_2
push esi
call fcn.00a55d90
mov al, byte [ebx + 0x453]
add esp, 8
cmp al, 0x14
jae 0xa66434
mov eax, dword [ebx + 0x420]
mov dword [eax], 0xffffffff
jmp 0xa66434
test eax, 0x40000
je 0xa66aa0
mov al, byte [edx]
mov edi, edx
test al, al
je 0xa66380
nop dword [eax + eax]
cmp al, 0x20
je 0xa66378
cmp al, 9
jne 0xa66380
mov al, byte [edi + 1]
inc edi
test al, al
jne 0xa66370
push 5
push str.RTSP_
push edi
call fcn.00aa1630
add esp, 0xc
test eax, eax
jne 0xa66aa0
mov al, byte [edi + 5]
sub al, 0x30
cmp al, 9
ja 0xa66a94
cmp byte [edi + 6], 0x2e
jne 0xa66a94
mov al, byte [edi + 7]
sub al, 0x30
cmp al, 9
ja 0xa66a94
mov al, byte [edi + 8]
cmp al, 0x20
je 0xa663cb
cmp al, 9
jne 0xa66a94
mov cl, byte [edi + 9]
mov al, cl
sub al, 0x30
cmp al, 9
ja 0xa66a94
mov dh, byte [edi + 0xa]
mov al, dh
sub al, 0x30
cmp al, 9
ja 0xa66a94
mov dl, byte [edi + 0xb]
mov al, dl
sub al, 0x30
cmp al, 9
ja 0xa66a94
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, dh
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, dl
lea eax, [eax + ecx*2]
add eax, 0xffffeb30
mov dword [esi + 0xe0], eax
mov al, byte [edi + 0xc]
cmp al, 0x20
je 0xa6642d
cmp al, 9
je 0xa6642d
sub al, 0xa
cmp al, 3
ja 0xa66a94
mov byte [ebx + 0x453], 0xb
mov edx, ebx
mov ecx, esi
call fcn.00a65e00
test eax, eax
jne 0xa669eb
lea edi, [eax + 6]
jmp 0xa6644f
mov edi, 2
mov ecx, esi
call fcn.00a65fe0
test eax, eax
jne 0xa669eb
push dword [ebp - 0xc]
mov edx, ebx
mov ecx, esi
call fcn.00a65590
add esp, 4
test eax, eax
jne 0xa669eb
mov ebx, edi
lea ecx, [esi + 0x8a4]
or ebx, 1
cmp byte [esi + 0x6cb], al
cmove ebx, edi
mov edi, dword [esi + 0xe0]
call fcn.004df450
push eax
push dword [ebp - 0xc]
mov edx, 1
mov ecx, esi
call fcn.00a55c30
lea ecx, [esi + 0x8a4]
call fcn.004df450
push eax
push dword [ebp - 0xc]
lea eax, [edi - 0x64]
mov edx, ebx
or edx, 0x10
mov ecx, esi
cmp eax, 0x64
cmovae edx, ebx
call fcn.00a4beb0
add esp, 0x10
test eax, eax
jne 0xa669eb
lea ecx, [esi + 0x8a4]
call fcn.004df450
add dword [esi + 0xd70], eax
adc dword [esi + 0xd74], 0
call fcn.004df450
add dword [esi + 0xa0], eax
mov ebx, dword [ebp - 0x14]
adc dword [esi + 0xa4], 0
jmp 0xa668f7
mov ecx, dword [esi + 0xe0]
lea eax, [ecx - 0x64]
cmp eax, 0x63
ja 0xa6658a
sub ecx, 0x64
je 0xa66550
sub ecx, 1
je 0xa66535
lea edi, [esi + 0x142]
mov dword [esi + 0xcc], 0
mov byte [edi], 1
jmp 0xa665f1
cmp dword [esi + 0xfc], 2
je 0xa66ab0
lea edi, [esi + 0x142]
mov byte [edi], 0
jmp 0xa665f1
cmp dword [esi + 0xf8], 0
lea edi, [esi + 0x142]
mov byte [edi], 1
mov dword [esi + 0xcc], 0
jle 0xa665f1
or dword [esi + 0xe4], 2
mov ecx, esi
mov dword [esi + 0xf8], 0
call fcn.00a4b9d0
jmp 0xa665f1
mov eax, dword [esi + 0x80]
lea edi, [esi + 0x142]
and eax, dword [esi + 0x84]
mov byte [edi], 0
cmp eax, 0xffffffff
jne 0xa665f8
cmp byte [esi + 0x147], 0
jne 0xa665f8
cmp byte [ebx + 0x1c6], 0
jne 0xa665f8
cmp byte [ebx + 0x453], 0xb
jne 0xa665f8
mov eax, dword [ebx + 0x1e0]
test dword [eax + 0x44], 0x40000
jne 0xa665f8
cmp byte [esi + 0xc94], 5
je 0xa665f8
push str.no_chunk__no_close__no_size._Assume_close_to_signal_end
push esi
call fcn.00a55d90
add esp, 8
mov edx, 2
mov ecx, ebx
call fcn.00a4c4b0
mov eax, edi
cmp byte [eax], 0
jne 0xa66607
mov ecx, esi
call fcn.00a65f20
test eax, eax
jne 0xa669eb
mov al, byte [ebx + 0x1c6]
test al, al
je 0xa66697
mov eax, dword [esi + 0xe0]
cmp eax, 0x191
jne 0xa6662b
cmp dword [ebx + 0x250], 2
je 0xa6663b
cmp eax, 0x197
jne 0xa6665a
cmp dword [ebx + 0x254], 2
jne 0xa6665a
push str.Connection_closure_while_negotiating_auth__HTTP_1.0__
push esi
call fcn.00a55d90
mov byte [esi + 0xd3d], 1
add esp, 8
mov al, byte [ebx + 0x1c6]
test al, al
je 0xa66697
mov eax, dword [esi + 0xe0]
cmp eax, 0x191
jne 0xa66672
cmp dword [ebx + 0x2d8], 1
je 0xa66682
jmp 0xa66697
cmp eax, 0x197
jne 0xa66697
cmp dword [ebx + 0x2dc], 1
jne 0xa66697
push str.Connection_closure_while_negotiating_auth__HTTP_1.0__
push esi
call fcn.00a55d90
add esp, 8
mov byte [esi + 0xd3d], 1
cmp dword [ebx + 0x2d8], 3
jne 0xa666b6
cmp dword [esi + 0xe0], 0x191
je 0xa666b6
mov dword [ebx + 0x2d8], 4
cmp dword [ebx + 0x2dc], 3
jne 0xa666d5
cmp dword [esi + 0xe0], 0x197
je 0xa666d5
mov dword [ebx + 0x2dc], 4
mov eax, dword [esi + 0xe0]
lea ecx, [esi + 0x8a4]
sub eax, 0x64
cmp eax, 0x64
sbb edx, edx
xor eax, eax
and edx, 0x10
cmp byte [esi + 0x6cb], al
setne al
add eax, 2
or edx, eax
call fcn.004df450
push eax
mov dword [ebp - 0xc], eax
call fcn.00531090
push eax
mov ecx, esi
call fcn.00a4beb0
add esp, 8
test eax, eax
jne 0xa669eb
mov eax, dword [ebp - 0xc]
mov ecx, dword [esi + 0xa4]
cdq
add dword [esi + 0xd70], eax
adc dword [esi + 0xd74], edx
add eax, dword [esi + 0xa0]
mov dword [ebp - 0x10], eax
adc ecx, edx
mov dword [esi + 0xa0], eax
mov dword [esi + 0xa4], ecx
mov dword [ebp - 0x1c], ecx
mov ecx, esi
call fcn.00a62d50
test al, al
mov eax, dword [esi + 0xe0]
jne 0xa66b61
add eax, 0xffffff9c
cmp eax, 0x63
ja 0xa66772
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 0x1c]
jmp 0xa66780
xorps xmm0, xmm0
movlpd qword [ebp - 0x20], xmm0
mov ecx, dword [ebp - 0x1c]
mov eax, dword [ebp - 0x20]
mov dword [esi + 0xac], ecx
mov ecx, esi
mov dword [esi + 0xa8], eax
call fcn.00a62570
test eax, eax
jne 0xa669eb
cmp dword [esi + 0xe0], 0x12c
jl 0xa668e8
cmp byte [ebx + 0x1d0], al
jne case.default.0xa667e0
cmp byte [ebx + 0x1c6], al
jne case.default.0xa667e0
cmp byte [esi + 0xd4b], al
jne 0xa668ca
movzx eax, byte [esi + 0xc94]
dec eax
cmp eax, 3
ja case.default.0xa667e0
jmp dword [eax*4 + 0xa66b7c]
mov ecx, esi
call fcn.00a4b9d0
cmp byte [esi + 0x144], 0
jne case.default.0xa667e0
cmp dword [esi + 0xe0], 0x1a1
jne 0xa66846
cmp byte [esi + 0xd3f], 0
je 0xa66846
push str.Got_417_while_waiting_for_a_100
push esi
call fcn.00a55d90
push dword [esi + 0xc98]
mov byte [esi + 0xd40], 1
call dword [0xaf8988]
add esp, 0xc
mov dword [esi + 0x118], eax
lea edx, [esi + 0x80]
mov ecx, esi
call fcn.00a5d7e0
jmp case.default.0xa667e0
cmp byte [esi + 0x6c7], 0
je 0xa66879
push str.HTTP_error_before_end_of_send__keep_sending
push esi
call fcn.00a55d90
add esp, 8
cmp dword [esi + 0xf8], 0
jle case.default.0xa667e0
or dword [esi + 0xe4], 2
mov dword [esi + 0xf8], 0
jmp case.default.0xa667e0
push str.HTTP_error_before_end_of_send__stop_sending
push esi
call fcn.00a55d90
add esp, 8
mov edx, 2
mov ecx, ebx
call fcn.00a4c4b0
lea edx, [esi + 0x80]
mov ecx, esi
call fcn.00a5d7e0
test eax, eax
jne 0xa669eb
mov byte [esi + 0x144], 1
cmp byte [esi + 0xd3f], al
je case.default.0xa667e0
mov dword [esi + 0xf8], 3
cmp byte [esi + 0xd4b], 0
je 0xa668e8
cmp dword [ebx + 0x1fc], 0xffffffff
je 0xa668e8
push str.Keep_sending_data_to_get_tossed_away
push esi
call fcn.00a55d90
add esp, 8
or dword [esi + 0xe4], 2
cmp byte [edi], 0
je 0xa66ae5
lea ecx, [esi + 0x8a4]
call fcn.00a467e0
mov edi, dword [esi + 0xd0]
cmp byte [edi], 0
je 0xa669e9
mov eax, dword [ebp + 8]
mov ecx, edi
mov dword [ebp - 8], ecx
mov eax, dword [eax]
push eax
push 0xa
push ecx
mov dword [ebp - 0xc], eax
mov dword [ebp - 0x10], eax
call fcn.00a93e50
mov ecx, eax
add esp, 0xc
test ecx, ecx
jne 0xa660b4
push dword [ebp - 0x10]
mov edx, dword [ebp - 8]
lea ecx, [esi + 0x8a4]
call fcn.00a46850
add esp, 4
test eax, eax
jne 0xa669eb
cmp dword [esi + 0xcc], eax
jne 0xa669e9
lea ecx, [esi + 0x8a4]
call fcn.004df450
push eax
lea ecx, [esi + 0x8a4]
call fcn.00531090
push eax
mov edx, ebx
mov ecx, esi
call fcn.00a65560
add esp, 8
cmp eax, 2
jne 0xa669e9
mov edx, eax
mov byte [esi + 0x142], 0
mov ecx, ebx
mov dword [esi + 0xc8], eax
call fcn.00a4c4b0
cmp byte [esi + 0x6ea], 0
jne 0xa669e9
push str.Received_HTTP_0.9_when_not_allowed
push esi
call fcn.00a55cd0
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, 2
mov ecx, ebx
call fcn.00a4c4b0
cmp byte [esi + 0x6ea], 0
je 0xa669a1
mov eax, dword [ebp + 8]
mov byte [esi + 0x142], 0
cmp dword [eax], 0
je 0xa669f2
mov dword [esi + 0xc8], 1
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 0x24]
mov dword [esi + 0xc8], edx
mov dword [eax], ecx
mov eax, dword [ebp - 0x28]
mov dword [esi + 0xd0], eax
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push str.Unsupported_HTTP_version_in_response
push esi
call fcn.00a55cd0
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, 0x66666667
imul edx
sar edx, 2
mov ecx, edx
shr ecx, 0x1f
add ecx, edx
mov edx, dword [ebp - 8]
lea eax, [ecx + ecx*4]
add eax, eax
sub edx, eax
push edx
push ecx
push str.Unsupported_HTTP_version___u._d__in_response
push esi
call fcn.00a55cd0
add esp, 0x10
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push str.Unsupported_response_code_in_HTTP_response
push esi
call fcn.00a55cd0
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push str.Unsupported_HTTP_1_subversion_in_response
push esi
call fcn.00a55cd0
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, 8
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov byte [esi + 0x142], 0
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push str.Received_101__Switching_to_HTTP_2
push esi
call fcn.00a55d90
add esp, 8
mov dword [esi + 0xfc], 3
mov byte [esi + 0x142], 1
mov eax, 1
mov dword [esi + 0xcc], 0
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp byte [esi + 0x14c], 0
mov ecx, dword [ebp + 0xc]
jne 0xa66b1d
mov eax, dword [ebx + 0x1e0]
test dword [eax + 0x44], 0x40000
je 0xa66b20
cmp dword [esi + 0x65c], 2
jne 0xa66b20
cmp dword [esi + 0x84], 0xffffffff
jg 0xa66b20
jl 0xa66b1d
cmp dword [esi + 0x80], 0xffffffff
ja 0xa66b20
mov byte [ecx], 1
cmp dword [esi + 0x88], 0
jne 0xa66b37
cmp dword [esi + 0x8c], 0
jne 0xa66b37
mov byte [ecx], 1
jmp 0xa66b3c
cmp byte [ecx], 0
je 0xa66b43
and dword [esi + 0xe4], 0xfffffffe
push dword [ebp - 0xc]
mov edx, 1
mov ecx, esi
push dword [ebp - 8]
call fcn.00a55c30
add esp, 8
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push eax
push str.The_requested_URL_returned_error:__d
push esi
call fcn.00a55cd0
add esp, 0xc
mov eax, 0x16
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret