X-Git-Url: https://git.sthu.org/?a=blobdiff_plain;f=caff%2FREADME;h=e0333f71bd95c5a026eb35c7b8c820f6b30c7c76;hb=5aa8ef28a85d448e9f866a6dad021047a908c941;hp=ef02f8dfbe42782d076298b4cf41271f2fb3865f;hpb=d37ec57f181e5b84b8a45c43788d43f963ddbbd8;p=pgp-tools.git diff --git a/caff/README b/caff/README index ef02f8d..e0333f7 100644 --- a/caff/README +++ b/caff/README @@ -1,13 +1,26 @@ caff -- CA - fire and forget +============================== caff is a script that helps you in keysigning. It takes a list of keyids on the command line, fetches them from a keyserver and calls GnuPG so that you can sign it. It then mails each key to all its email addresses - only including the one UID that we send to in each -mail. +mail, pruned from all but self sigs and sigs done by you. The mailed +key is encrypted with itself as a means to verify that key belongs to +the recipient. +Since we do not upload the new signatures, or import them into our +main keyring, the signature only gets public if: + - the email address is valid, and + - the person reading the email can decrypt the mail (if it was sent + encrypted). +Therefore we achieve the same level of security as common Challenge +Response systems like CABot, without all the extra hassle of those +systems. + +FEATURES +-------- -Features: * Easy to setup. * Attaches only the very UID that we send to in the mail. * Prunes the key from all signatures that are not self sigs and @@ -17,26 +30,16 @@ Features: * Creates proper PGP MIME messages. * Uses separate GNUPGHOME for all its operations. -Caveats: - * Requires a gpg patch for now, until 2 bugs are fixed: - http://bugs.debian.org/252917 gnupg: --with-colons and --edit delsigs - http://bugs.debian.org/254072 gpg should flush stdout before prompting in --edit - -Discussion: - -Since we do not upload the new signatures, or import them into our -main keyring, the signature only gets public if: - - the email address is valid - - the person reading the email can decrypt the mail (if it was sent - encrypted). - -Therefore we achieve the same level of security as common Challenge -Repsonse systems like CABot, without all the extra hassle of those -systems. +DEPENDENCIES +------------ + gnupg (>= 1.3.92), perl, libgnupg-interface-perl, + libtext-template-perl, libmime-perl, libmailtools-perl (>= 1.62) +INSTALLATION +------------ -Dependencies: gnupg (>= 1.2), perl, libgnupg-interface-perl, libmime-perl, libmailtools-perl (>= 1.62), mailx +After creating a ~/.caffrc from the template, caff almost works out of the box. -- Peter