>>>>

>>>>FUNCTION XORDATA(data,Key)
>>>>	RETURN BITXOR(m.Data,REPLICATE(m.Key,CEILING(LEN(m.Data)/LEN(m.Key))))
>>>>ENDFUNC
>>>>

>>>
>>>This won't work. BitXor() works with integers only, not strings.
>>>
>>>Which is a shame - it should.
>>
>>
>>It does work on Blob fields - you may need a cast
>>
>>

>>return bitxor( cast(m.data as blob), cast(otherdata as blob))
>>

>
>Didn't know that - and I need to :).
>
>Tried to see what happens if I cast it as varbinary - and it worked the same when I cast only the first parameter. When I cast both, it worked... sort of - the length of the result was 1.

I did a simple test before answering

xx=repl('a', 20)
yy=repl('b', 20)
zz= bitxor(cast(xx as blob), cast(yy as blob))
?zz
?len(zz) && 20