Re: lockable trapdoor one-way function

2003-12-01 Thread Jerrold Leichter
| 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... You're going

lockable trapdoor one-way function

2003-11-26 Thread Peter Fairbrother
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