On Mon, 28 May 2012 11:19:01 -0700, Phil Smith <a...@efghijk.lmn> wrote: > >Well, if the goal is to protect the data, then it needs to be >cryptographically secure. "Security through obscurity" isn't security. > ><plug> >Voltage SecureData is an encryption platform that provides Format-Preserving >Encryption, using a mode of AES (almost but not quite through the NIST >approvals process-awaiting final comments only) that does what it sounds like: >preserves the format of the input. So if you encrypt a 9-digit number, you get >back a 9-digit number. If you encrypt "Peter Sylvester, 123 Main St", you get >back Xxxxx Xxxxxxxxx, nnn Xxxx Xx", where the Xs and Ns are characters and >digits, respectively. And there are lots more options. > ... ></plug>
Can it deal with validity constraints such as the credit card check digit: http://en.wikipedia.org/wiki/Luhn_algorithm ...? And I understand that some 9-digit keys eschew any values that contain the sequence "666" as a courtesy to the client. (Actually at the client's option, but suppose it were to be made a rule.) -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN