lockable trapdoor one-way function

Peter Fairbrother zenadsl6186 at zen.co.uk
Wed Nov 26 15:50:44 EST 2003

Does anyone know of a trapdoor one-way function whose trapdoor can be locked
after use?

It can be done with secure hardware and/or distributed trust, just delete
the trapdoor key, and prove (somehow?) you've deleted it.

It looks hard to do in "trust-the-math-only" mode...

Peter Fairbrother

The Cryptography Mailing List
Unsubscribe by sending "unsubscribe cryptography" to majordomo at metzdowd.com

More information about the cryptography mailing list