[Cryptography] To what is Anderson referring here?

[Alan Braggins]

On 05/06/14 03:05, Jerry Leichter wrote:
> It turned out that IBM had developed a scheme, called something like the Data Masking Facility, for expanding a 40-bit key into a 56-bit key for use with DES.

Commercial Data Masking Facility - http://en.wikipedia.org/wiki/CDMF

I came across it in PKCS #11, found it was patented, and crossed it
of the list of things that might ever go in the product I was
implementing at the time.

I see CKM_CDMF_KEY_GEN is still in PKCS #11. I wonder if anyone
outside IBM has ever supported it?
http://docs.oasis-open.org/pkcs11/pkcs11-curr/v2.40/pkcs11-curr-v2.40.html