Re: [Mac_crypto] Apple should use SHA! (or stronger) to authenticate software releases

2004-04-07 Thread R. A. Hettinga
--- begin forwarded text From: Nicko van Someren [EMAIL PROTECTED] Subject: Re: [Mac_crypto] Apple should use SHA! (or stronger) to authenticate software releases To: [EMAIL PROTECTED] Sender: [EMAIL PROTECTED] Reply-To: [EMAIL PROTECTED] List-Id: Macintosh Cryptography mac_crypto.vmeng.com

RE: Firm invites experts to punch holes in ballot software

2004-04-07 Thread Trei, Peter
Firm invites experts to punch holes in ballot software The company's software is designed to let voters verify that their ballots were properly handled. It assigns random identification numbers to ballots and candidates. After people vote, they get a receipt that shows which candidates they

Re: Firm invites experts to punch holes in ballot software

2004-04-07 Thread Ian Grigg
Trei, Peter wrote: Frankly, the whole online-verification step seems like an unneccesary complication. It seems to me that the requirement for after-the-vote verification (to prove your vote was counted) clashes rather directly with the requirement to protect voters from coercion (I can't prove

RE: Firm invites experts to punch holes in ballot software

2004-04-07 Thread Trei, Peter
Ian Grigg[SMTP:[EMAIL PROTECTED] wrote: Trei, Peter wrote: Frankly, the whole online-verification step seems like an unneccesary complication. It seems to me that the requirement for after-the-vote verification (to prove your vote was counted) clashes rather directly with the

voting

2004-04-07 Thread Perry E. Metzger
I'm a believer in the KISS principle. A ballot that is both machine and human readable and is constructed by machine seems ideal. You enter your votes, a card drops down, you verify it and drop it in a slot. Ideally, the cards would be marked with something like OCR-B so that the correspondence

Re: Firm invites experts to punch holes in ballot software

2004-04-07 Thread Paul Zuefeldt
Maybe the receipt should only allow the voter to check that his vote has been counted. To get the detail you could require him to appear in person with his receipt AND a photo ID or some such, then only allow him to view his detail -- not print it. Paul Zuefeldt - Original Message -

Blind signatures with DSA/ECDSA?

2004-04-07 Thread Eric Rescorla
Folks, Does anyone know if there is a blind signature scheme that works with DSA or ECDSA? I know about Camenisch, Pivetau and Stadler's Blind Signatures Based on the Discrete Logarithm Problem (1994), but as far as I can tell that doesn't produce straight DSA-verifiable signatures and so is a