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authorSilvio Rhatto <rhatto@riseup.net>2017-10-01 17:19:35 -0300
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+% KEYRINGER(1) Keyringer User Manual
+% Silvio Rhatto <rhatto@riseup.net>
+% Oct 25, 2013
+
+# NAME
+
+keyringer - encrypted and distributed secret sharing software
+
+# SYNOPSIS
+
+keyringer <*keyring*> <*action*> [*options*]...
+
+# DESCRIPTION
+
+Keyringer lets you manage and share secrets using GnuPG and Git in a
+distributed fashion.
+
+It has custom commands to create key-pairs and to encrypt, decrypt and
+re-encrypt secrets. It also supports encryption to multiple recipients
+and groups of recipients, to allow a workgroup to share access to a single
+repository while restricting some secrets to subsets of the group.
+
+Secrets are encrypted using OpenPGP and added to a Git tree so that they
+can be synced with remote branches later.
+
+# ACTIONS
+
+Keyringer has three types of actions:
+
+1. Repository lookup and manipulation actions, which handle repository initialization,
+ content tracking and navigation.
+
+2. Secret manipulation actions, which take care of encrypting, decrypting and other
+ read/write operations on secrets.
+
+3. Configuration actions, handling repository metadata.
+
+# REPOSITORY LOOKUP AND MANIPULATION ACTIONS
+
+find <*expression*>
+: Find secrets in the repository.
+
+init <*path*> [*remote*]
+: Initialize a new keyringer repository. If a *remote* URL is specified, keyringer will
+ clone an existing repository.
+
+ After initialization, *path* will contain a folder structure for storing secrets
+ and metadata (user aka recipients, groups of recipients, etc).
+
+ Also, an entry will be added to `$HOME/.keyringer/config` allowing keyringer to
+ find the keyring by its alias.
+
+destroy
+: Alias for *teardown* action.
+
+git <*action*> <*options*>
+: Git wrapper that operates from the toplevel keyring repository. You can issue any
+ *GIT(1)* subcommand with this action to have it applied in the keyring repository.
+
+commit [*arguments*]
+: Alias to "git commit".
+
+ls <*path*>
+: List contents from the toplevel repository *keys* folder or from relative paths
+ if *path* is specified. Like the git wrapper, this is a wrapper around the *LS(1)*
+ command.
+
+mkdir <*path*>
+: Create a directory inside the repository *keys* folder.
+
+rmdir <*path*>
+: Remove an empty folder inside the repository *keys* folder.
+
+tree <*path*>
+: List contents from the toplevel repository *keys* folder or from relative paths
+ if *path* is specified using a tree-like format. Like the ls wrapper, this is a
+ wrapper around the *TREE(1)* command.
+
+shell
+: Run keyringer on interactive mode from a built-in command-line prompt where
+ all other actions can be called and are operated from the current selected
+ keyring.
+
+ An additional "cd" internal command is available for directory navigation.
+
+ All <*secret*> parameters from actions invoked from the shell are called
+ relatively from the current selected directory.
+
+teardown
+: Remove permanently a local copy of a repository, very dangerous if you
+ have just a single copy.
+
+check
+: Run maintenance checks in a keyring.
+
+# SECRET MANIPULATION ACTIONS
+
+All secret manipulation actions operate upon a *secret* which is the pathname
+of an encrypted file relative to the keyring with optional `.asc` extension.
+
+If the `.asc` extension is omitted, keyringer will add it at the end of the
+pathname.
+
+No spaces are allowed in the secret name.
+
+Secret manipulation actions do not commit changes into the secret repository.
+Instead, the user has to manually commit the changes using the git wrapper
+action.
+
+append <*secret*>
+: Append contents into a secret by decrypting the secret, appending lines read
+ from the standard input and encrypting again.
+
+append-batch <*secret*>
+: Append contents into a secret, batch mode.
+
+decrypt <*secret*>
+: Decrypts a secret into standard output.
+
+del <*secret*>
+: Removes a secret using Git. After deleting a secret a git commit and push is still
+ needed to update remote repositories.
+
+ Please note that this command **does not remove the secret from the Git history.**
+ To completely remove a file from a keyring, you should also rewrite the Git
+ history yourself.
+
+delete <*secret*>
+: Alias for *del* action.
+
+rm <*secret*>
+: Alias for *del* action.
+
+cp <*secret*> <*dest*>
+: Copy a secret.
+
+mv <*secret*> <*dest*>
+: Rename a secret.
+
+edit <*secret*>
+: Edit a secret by temporarily decrypting it, opening the decrypted copy into the
+ text editor defined by the *$EDITOR* environment variable and then re-encrypting it.
+
+ Please make sure to use an *$EDITOR* which does not leak data like history buffers.
+ Keyringer tries to detect if *$EDITOR* is set to VIM and disables the *.viminfo* file.
+
+encrypt <*secret*> [*file*]
+: Encrypts content from standard input or *file* into *secret* pathname. No spaces
+ are supported in the *secret* name. If *file* is actually a folder, keyringer
+ will recursivelly encrypt all it's contents.
+
+encrypt-batch <*secret*> [*file*]
+: Encrypt content, batch mode. Behavior is identical to *encrypt* action, but less
+ verbose. Useful inside scripts.
+
+genkeys <*ssh*|*gpg*|*x509*|*x509-self*|*ssl*|*ssl-self*> [*options*]
+: Wrapper to generate encryption key-pairs, useful for automated key deployment.
+
+genpair <*ssh*|*gpg*|*x509*|*x509-self*|*ssl*|*ssl-self*> [*options*]
+: Alias for *genkeys* action.
+
+open <*secret*>
+: Decrypt a secret into a temporary folder and open it using xdg-open, which
+ tries to figure out the file type and then calls the associated application.
+
+ After the application exits, keyringer encrypts the temporary decrypted file
+ again into the secret file and deletes the temporary file.
+
+pwgen <*secret*> [*size*]
+: Generates a random passphrase and stores into *secret* pathname with optional
+ entropy size in bytes. Default size is 20.
+
+ Passphrases will be slightly bigger than size due to base64 conversion.
+
+ With this action you can generate and store a passphrase without need to see
+ it. Combined with clip or sclip action provides an hygienic way to handle
+ secrets.
+
+recrypt <*secret*>
+: Re-encrypts a secret by decrypting it and encrypting it again. Useful when users are added
+ into the recipient configuration. If no *secret* is given, all secrets in the repository
+ are re-encrypted.
+
+clip <*secret*>
+: Copy the first line of a secret to the clipboard, following password-store convention.
+
+xclip <*secret*>
+: Alias to clip action.
+
+sclip <*secret*>
+: Same as clip action, but sleeps five seconds, overwrite clipboard and exit. If xdotool
+ is available, it also switches to the next window using the alt+Tab shortcut. This action
+ is useful to be invoked by a custom key combo in a window manager so it becomes easy to
+ provide keyringer managed passphrases to other applications such as a web browser.
+
+# CONFIGURATION ACTIONS
+
+commands
+: List available actions, useful for shell completion and syntax check.
+
+options <*ls*|*edit*|*add*>
+: List, edit or add miscellaneous *repository* options.
+
+ Repository options are settings which are saved in the repository as a *global*
+ configuration stanza for a given keyring, shared by all users with access to
+ the repository.
+
+ Options are written using the *KEY=VALUE* syntax. All lines starting with the
+ hash (#) character are interpreted as comments.
+
+preferences <*ls*|*edit*|*add*>
+: List, edit or add *user* preferences for a given repository.
+
+ User preferences are settings which are saved in the user's keyringer folder
+ (`$HOME/.keyringer/`), and not shared with the other users.
+
+ Preferences are written using the *KEY=VALUE* syntax. All lines starting with the
+ hash (#) character are interpreted as comments.
+
+usage
+: Show keyringer usage information.
+
+help
+: Alias for usage action.
+
+recipients <*ls*|*edit*> <*recipients-file*>
+: List, create or edit recipients configuration.
+
+ Recipients files are lists of OpenPGP public key fingerprints which are used
+ by keyringer when encrypting secrets and associated with email aliases.
+
+ Keyringer uses a default recipients file, but specifying a custom *recipients-file*
+ pathname will override this default.
+
+ For instance, if a user encrypts a secret to a file in the keyring repository's
+ *accounting* folder, a *recipients-file* under *accounting* will be used.
+ Encrypting a secret into *accounting/bank-accounts* will result in a file
+ `$KEYRING_FOLDER/keys/accounting/bank-accounts.asc` encrypted using the public
+ keys listed in the config file`$KEYRING_FOLDER/config/recipients/accounting`.
+
+ Each line in a recipients file has entries in the format
+ 'john@doe.com XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX', where *john@doe.com*
+ is an alias for the OpenPGP public key whose fingerprint is
+ *XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.*
+
+ All lines starting with the hash (#) character are interpreted as comments.
+
+ Parameters to the *recipients* action are:
+
+ *ls*
+ : List all existing recipients files.
+
+ *edit*
+ : Create or edit a recipients file.
+
+ Editing happens using the editor specified by the `$EDITOR`
+ environment variable.
+
+ The required parameter *recipients-file* is interpreted relative
+ to the `$KEYRING_FOLDER/config/recipients/` folder.
+
+# FILES
+
+$HOME/.keyringer/config
+: User's main configuration file used to map alias names to keyrings.
+
+$HOME/.keyringer/*keyring*
+: User preferences for the keyringer aliased *keyring* keyring.
+
+$KEYRING_FOLDER/config/options
+: Custom keyring options which will be applied for all users that use
+ the keyringer repository.
+
+# LIMITATIONS
+
+Keyringer currently has the following limitations:
+
+1. Metadata is not encrypted, meaning that an attacker with access to a keyringer
+ repository can discover all public key IDs used for encryption, and which secrets
+ are encrypted to which keys. This can be improved in the future by encrypting
+ the repository configuration with support for the *--hidden-recipient* GnuPG
+ option and encrypted repository options.
+
+ To mitigate that, it's possible to keep the repo just atop of an encrypted and
+ non-public place.
+
+2. History is not rewritten by default when secrets are removed from a keyringer
+ repository. After a secret is removed with the *del* action, it will still be
+ available in the repository history even after a commit. This is by design
+ for the following reasons:
+
+ - It's the default behavior of the Git content tracker. Forcing the
+ deletion by default could break the expected behavior and hence limit
+ the repository's backup features, which can be helpful if someone
+ mistakenly overwrites a secret.
+
+ - History rewriting cannot be considered a security measure against the
+ unauthorized access to a secret as it doesn't automatically update all
+ working copies of the repository.
+
+ In the case that the secret is a passphrase, the recommended measure
+ against such attacks is to change the passphrase, making useless the
+ knowledge of the previous secret.
+
+ Users wishing to edit their repository history should proceed manually
+ using the *git* action.
+
+3. Keyringer does not protect data which were not encrypted to a keyring,
+ so be careful when decrypting secrets and writing them to the disk or
+ other storage media.
+
+ Pay special attention that keyringer outputs data to stdout, which could
+ be easily spotted by any agent looking directly at you computer screen.
+
+ The xclip action even copies secret data to the X11 clipboard, which can
+ be accessed by any application running in the user's X11 session, so use
+ this feature carefully.
+
+# SEE ALSO
+
+The *README* file distributed with Keyringer contains full documentation.
+
+The Keyringer source code and all documentation may be downloaded from
+<https://keyringer.pw>.