ProofMode critiques and progress

Bruce Schneier was kind enough to post about our work on ProofMode to his blog. A decent set of comments ensued, which we have considered, measured and weighed. We posted the response below on the post, and now also here. We also received an excellent set of feedback from the Lieberbiber blog. Below are responses to the various concerns raised, and links to work completed or in progress. At a high level, securely dating files, digital notarization, easy capture of sensor metadata, among other things, are not solved problems. [Read More]