OpenPGP? mailing lists? OpenPGP on mailing lists? let's fix that! - - PowerPoint PPT Presentation

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Oct 09, 2023 184 likes •473 views

OpenPGP? mailing lists? OpenPGP on mailing lists? let's fix that! manual all subscribers have all subscribers and all public keys doesn't scale list key scales works proxy re-encryption secure e-mail list service

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OpenPGP?

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mailing lists?

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OpenPGP on mailing lists?

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let's fix that!

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manual

all subscribers have all subscribers and all public keys doesn't scale

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list key

scales works

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proxy re-encryption

secure e-mail list service http://sels.ncsa.illinois.edu/

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Practical Encrypted Mailing Lists

http://hssl.cs.jhu.edu/~neal/encrypted-mailing-lists.pdf http://git.gnupg.org/cgi-bin/gitweb.cgi? p=gnupg.git;h=refs/heads/neal/encrypted-mailing-lists

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MITM

http://medien.informatik.uni-ulm.de/~stefan/gpg-mailman.xhtml https://non-gnu.uvt.nl/mailman-pgp-smime/ http://www.synacklabs.net/projects/crypt-ml/ https://launchpad.net/mlencr http://petidomo.sourceforge.net/ https://firma.fluxo.info/ http://www.rediris.es/pgp/app/pgplist/index.html.en https://git.hack-hro.de/systemausfall/gpg-ezmlm

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Schleuder

https://schleuder.nadir.org/

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hundreds of lists a few thousand subscribers

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known maximum ~100 subscribers

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rising requests for new lists

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it works

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just enough™

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alive since 1996

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some problems solved

formats ("inline") charsets MUA quirks

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not a full-featured MLM

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central key management

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pseudonymity of subscribers

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bonus: meta-headers

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bonus: "resend" to non-subsribers

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version 3

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DB API CLI web interface

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"early beta" bugs?!

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help wanted

test review contribute

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schleuder2@nadir.org

0x75C9B62688F93AC6574BDE7ED8A6EF816E1C6F25

schleuder2-sendkey@nadir.org https://schleuder.nadir.org/