http://www.syndie.i2p/manual.html
If it does, a private channel read key is included
in the metadata that can be used to view or encrypt posts in the channel. set --bodyPassphrase $passphrase Encrypt the channel metadata with a key derived from the given passphrase set --bodyPassphrasePrompt $prompt When encrypting the channel metadata with a passphrase based key, include the
given prompt in the clear, suggesting the passphrase to authorized readers.
e.g. set --bodyPassphrasePrompt "1+1" --bodyPassphrase...