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31 Resent-From: "David A. Harding" <dave@dtrt.org>
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35 notmuch discussion list <notmuch@notmuchmail.org>
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36 Date: Tue, 12 Jan 2010 16:39:51 -0500
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37 From: "David A. Harding" <dave@dtrt.org>
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38 To: martin f krafft <madduck@madduck.net>
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48 Subject: Re: [notmuch] Idea for storing tags
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63 On Tue, Jan 12, 2010 at 11:19:09AM +1300, martin f krafft wrote:
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64 > I think [tag leakage] it makes in-headers unusable. After all, I don't
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65 > ever want anyone else to know that I tag e-mails from my boss as
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68 You can cryptographically hash tags so that third-parties can't read
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69 the contents of the in-headers. For security, a salt should be appended
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70 to the tag name to make dictionary attacks on the tags more difficult.
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71 For their owners' convenience, mail clients will want a mapping of hash
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74 > [...] pseudo-mails stored in Maildir and synchronised by IMAP
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76 A single RFC2822 message can store the salt and hash-to-tag database. It
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77 could contain a clear subject and directions to the end user not to move
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78 or delete it. This would not, I think, terribly confuse existing mail
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79 clients or their users.
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83 David A. Harding Website: http://dtrt.org/
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84 1 (609) 997-0765 Email: dave@dtrt.org
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85 Jabber/XMPP: dharding@jabber.org
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