Function at 0x40be30
Capabilities:
Authenticate hmac
Encode data using xor
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x7c
mov dword [ebp - 0x58], 0x32
mov dword [ebp - 0x48], 0x45
mov dword [ebp - 0x14], 0x24
mov dword [ebp - 0x2c], 0x3b
mov dword [ebp - 0x5c], 0x32
mov dword [ebp - 0x10], 0x4b
mov dword [ebp - 0x60], 1
mov dword [ebp - 0x3c], 0x58
mov dword [ebp - 0x28], 0x5b
mov dword [ebp - 0x68], 0x39
mov dword [ebp - 0x44], 0x59
mov dword [ebp - 0x54], 1
mov dword [ebp - 0x6c], 0x5c
mov dword [ebp - 0x70], 0x5e
mov dword [ebp - 0x24], 0x3b
mov dword [ebp - 0x40], 0x3f
mov dword [ebp - 0x74], 0x2b
mov dword [ebp - 0x78], 0x2d
mov dword [ebp - 0x30], 0x57
mov dword [ebp - 8], 0x3c
mov dword [ebp - 0xc], 0x49
mov dword [ebp - 0x20], 5
mov dword [ebp - 0x4c], 0x1a
mov dword [ebp - 0x7c], 0x5a
mov dword [ebp - 0x1c], 0x25
mov dword [ebp - 0x38], 0x32
mov dword [ebp - 4], 4
mov dword [ebp - 0x50], 0x47
mov dword [ebp - 0x18], 0xd
mov dword [ebp - 0x64], 0x54
cmp dword [ebp - 0x1c], 0x55
jne 0x40bf23
cmp dword [ebp - 8], 0x5e
jle 0x40bf23
cmp dword [ebp - 0x1c], 0x53
jne 0x40bf23
mov eax, dword [ebp - 4]
and eax, 5
mov dword [ebp - 4], eax
mov ecx, dword [ebp - 0x30]
add ecx, 1
mov dword [ebp - 0x30], ecx
mov edx, dword [ebp - 4]
add edx, 1
mov dword [ebp - 4], edx
mov eax, dword [ebp - 0x10]
xor eax, 0x20
mov dword [ebp - 0x10], eax
cmp dword [ebp - 4], 5
jl 0x40bf23
cmp dword [ebp - 8], 0x3d
jge 0x40bf73
cmp dword [ebp - 0x20], 0x57
jle 0x40bf59
mov ecx, dword [ebp - 0x28]
sub ecx, 1
mov dword [ebp - 0x28], ecx
mov edx, dword [ebp - 8]
add edx, 1
mov dword [ebp - 8], edx
cmp dword [ebp - 0x44], 0x29
je 0x40bf71
mov eax, dword [ebp - 0x24]
add eax, 1
mov dword [ebp - 0x24], eax
jmp 0x40bf44
cmp dword [ebp - 0xc], 0x4a
jge 0x40bfae
cmp dword [ebp - 0x20], 0x58
jge 0x40bf94
cmp dword [ebp - 0x20], 0x4c
jle 0x40bf94
cmp dword [ebp - 0x18], 0x3b
jle 0x40bf94
mov ecx, dword [ebp - 8]
sub ecx, 0x34
mov dword [ebp - 8], ecx
mov edx, dword [ebp - 0xc]
add edx, 1
mov dword [ebp - 0xc], edx
cmp dword [ebp - 0x14], 0x39
jge 0x40bfac
mov eax, dword [ebp - 0x1c]
sub eax, 1
mov dword [ebp - 0x1c], eax
jmp 0x40bf73
cmp dword [ebp - 0x40], 0x2f
je 0x40bfc9
cmp dword [ebp - 0x24], 0x36
jle 0x40bfc9
cmp dword [ebp - 0x28], 0x2a
jne 0x40bfc9
mov ecx, dword [ebp - 0x38]
add ecx, 1
mov dword [ebp - 0x38], ecx
cmp dword [ebp - 0x2c], 0x3c
jge 0x40bfec
mov edx, dword [ebp - 0x18]
xor edx, 2
mov dword [ebp - 0x18], edx
mov eax, dword [ebp - 0x2c]
add eax, 1
mov dword [ebp - 0x2c], eax
mov ecx, dword [ebp - 0x3c]
or ecx, 0x2e
mov dword [ebp - 0x3c], ecx
jmp 0x40bfc9
mov edx, dword [ebp - 0x14]
sub edx, 0x1e
mov dword [ebp - 0x14], edx
cmp dword [ebp - 4], 6
jge 0x40c054
cmp dword [ebp - 0x30], 0x1f
jle 0x40c034
cmp dword [ebp - 0x40], 0x28
jne 0x40c034
cmp dword [ebp - 8], 0x20
jne 0x40c034
cmp dword [ebp - 0xc], 0xc
je 0x40c034
cmp dword [ebp - 0x50], 0x10
jle 0x40c034
cmp dword [ebp - 0x10], 0x1f
jle 0x40c034
cmp dword [ebp - 0xc], 0x28
jle 0x40c034
cmp dword [ebp - 0x54], 0x1a
jge 0x40c034
mov eax, dword [ebp - 0x10]
sub eax, 1
mov dword [ebp - 0x10], eax
mov ecx, dword [ebp - 4]
add ecx, 1
mov dword [ebp - 4], ecx
cmp dword [ebp - 0x58], 0x5a
jne 0x40c052
cmp dword [ebp - 0x20], 0x23
jle 0x40c052
mov edx, dword [ebp - 0x14]
add edx, 0x3a
mov dword [ebp - 0x14], edx
jmp 0x40bff5
cmp dword [ebp - 0x48], 0x2a
je 0x40c075
cmp dword [ebp - 0x5c], 0x4b
jge 0x40c075
cmp dword [ebp - 0x44], 0x18
jne 0x40c075
cmp dword [ebp - 0x60], 7
jge 0x40c075
mov eax, dword [ebp - 0x18]
sub eax, 0x44
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x34], 0
jmp 0x40c087
mov ecx, dword [ebp - 0x34]
add ecx, 1
mov dword [ebp - 0x34], ecx
mov edx, dword [ebp - 0x64]
sub edx, 0x53
cmp dword [ebp - 0x34], edx
jge 0x40c0a9
cmp dword [ebp - 0x48], 0x1e
jge 0x40c0a7
cmp dword [ebp - 0x38], 0x4f
je 0x40c0a7
mov eax, dword [ebp - 0x4c]
or eax, 0x1c
mov dword [ebp - 0x4c], eax
jmp 0x40c07e
mov esp, ebp
pop ebp
ret