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Enigma Plugin for Roundcube
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This plugin adds support for viewing and sending of signed and encrypted
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messages in PGP (RFC 2440) and PGP/MIME (RFC 3156) format.
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The plugin uses gpg binary on the server and stores all keys
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(including private keys of the users) on the server.
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Encryption/decryption is done server-side. So, this plugin
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is for users that trust the server.
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WARNING! The plugin is in very early state. See below for a list
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of missing features and known issues.
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Implemented features:
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---------------------
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+ PGP: signatures verification
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+ PGP: messages decryption
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+ PGP: Sending of encrypted/signed messages
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+ PGP: keys management UI (keys import and delete)
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+ Handling of PGP keys attached to incoming messages
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+ User preferences to disable plugin features
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TODO (must have):
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-----------------
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- Keys export to file
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- Disable Reply/Forward options when viewing encrypted messages
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until they are decrypted successfully
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- Handling of replying/forwarding of encrypted/signed messages
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- Client-side keys generation (with OpenPGP.js?)
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TODO (later):
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-------------
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- Handling of big messages with temp files
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- Server-side keys generation (warning: no-entropy issue, max_execution_time issue)
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- Key info in contact details page (optional)
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- Extended key management:
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- disable,
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- revoke,
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- change expiration date, change passphrase, add photo,
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- manage user IDs
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- Generate revocation certs
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- Search filter to see invalid/expired keys
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- Key server(s) support (search, import, upload, refresh)
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- Attaching public keys to email
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- Mark keys as trusted/untrasted, display appropriate message in verify/decrypt status
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- Change attachment icon on messages list for encrypted messages (like vcard_attachment plugin does)
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- Support for multi-server installations (store keys in sql database?)
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- Per-Identity settings (including keys/certs)
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- Performance improvements:
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- cache decrypted message key id so we can skip decryption if we have no password in session
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- cache (last or successful only?) sig verification status to not verify on every msg preview (optional)
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- S/MIME: Certs generation
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- S/MIME: Certs management
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- S/MIME: signed messages verification
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- S/MIME: encrypted messages decryption
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- S/MIME: Sending signed/encrypted messages
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- S/MIME: Handling of certs attached to incoming messages
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- S/MIME: Certificate info in Contacts details page (optional)
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Known issues:
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-------------
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1. There are Crypt_GPG issues when using gnupg >= 2.0
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- http://pear.php.net/bugs/bug.php?id=19914
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- http://pear.php.net/bugs/bug.php?id=20453
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- http://pear.php.net/bugs/bug.php?id=20527
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