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- Path: sparky!uunet!noc.near.net!transfer.stratus.com!ellisun.sw.stratus.com!cme
- From: cme@ellisun.sw.stratus.com (Carl Ellison)
- Newsgroups: sci.crypt
- Subject: Re: Bit Commitment
- Date: 9 Jan 1993 05:02:31 GMT
- Organization: Stratus Computer, Software Engineering
- Lines: 18
- Message-ID: <1ilm97INN46j@transfer.stratus.com>
- References: <C0IEo4.3pB@chinet.chi.il.us>
- NNTP-Posting-Host: ellisun.sw.stratus.com
-
- In article <C0IEo4.3pB@chinet.chi.il.us> schneier@chinet.chi.il.us (Bruce Schneier) writes:
- >Bit commitment is an easy protocol. Alice commits to a bit (or a series
- >of bits) in such a way that Bob does not know what the bits are until Alice
- >tells him, and Alice cannot change her bits once she has commited to them.
- >
- >What I am looking for is a real-world example of where this protocol would
- >be useful (besides magic tricks).
-
-
- I've used this in the past when sending out puzzles to friends along with
- my answer, encrypted. When they have submitted their solutions, I release
- the key revealing my solution.
-
- --
- -- <<Disclaimer: All opinions expressed are my own, of course.>>
- -- Carl Ellison cme@sw.stratus.com
- -- Stratus Computer Inc. M3-2-BKW TEL: (508)460-2783
- -- 55 Fairbanks Boulevard ; Marlborough MA 01752-1298 FAX: (508)624-7488
-