Hi Francois,

VFP I speak fluently, and encryption I understand. But when you mention HMAC and SHA-1, you might as well speak to me in Greek. Or French, for that matter. :-)

>Hi Tore,
>
>Thank you for the input. To the point and fast:)
>
>I need to test a user_related_string against an encrypted output. I intend to typically encode the concatenated user_related_string+long_enough_key_embedded_in_software.
>
>Any practical recommendation in terms of use for this basic protection ? Would HMAC the string with SHA-1 and a decent key do the trick?