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lair_keystore

Secret lair private keystore

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License: MIT License: Apache-2.0

This crate mostly provides the lair-keystore executable allowing initialization, configuration, and running of a Lair keystore.

If you want to run an in-process keystore, this crate also provides the canonical sqlite store.

For making use of a Lair keystore in a client application, see the lair_keystore_api crate.

What is lair-keystore, and why does it exist?

Lair Keystore is a general asymmetric cryptographic private key store project originally written for Holochain, but intended to be usable for any application.

The store mainly tracks the "seed" data that for ed25519 and x25519 allow generation of keypairs, and can be thought of as synonymous with private keys.

Lair allows derivation of this seed material for usage similar to HD wallets, with the intention that an end-user could create a "root" seed, from which could be deterministically derived a revocation seed and any number of device and application seeds, which would all be retrievable from a securely stored paper mnemonic of the root. (This has not yet been implemented in Holochain).

Lair Keystore was originally intended to be a standalone binary. Given the overhead and security implications of having a process with access to private key material, it was originally envisioned that an end-user would run a single keystore on their system, and be prompted with a pin-entry UI that would unlock access to the private keys for a specified period of time, or every time an operation with a private key occurred in the case of "deep locked" seeds. (This has also not been implemented in Holochain, and moreover, Holochain has moved farther away from this intention by running Lair Keystore as an "in process" library which makes it easier to bundle executables).

[lair_keystore_api::LairClient] is the main type that is used to access the keystore, and it mainly functions over an IPC connection (unix domain sockets on Linux and MacOs, and named pipes on Windows). This type allows you to create, access, export, and import tagged seeds, and then, using either those tags or the public keys that are derived from those seeds, perform signing, verification, encryption, and decryption operations.

Rust conventions for dashes and underscores:

  • Install with an underscore: cargo install lair_keystore
  • Use binary with a dash: $ lair-keystore help
  • Cargo.toml with an underscore:
[dependencies]
lair_keystore = "0.1.1"
  • Library usage with underscores:
use lair_keystore::*;

lair-keystore commandline executable usage:

License: MIT OR Apache-2.0

lair-keystore --help

lair_keystore 0.6.1
secret lair private keystore

USAGE:
    lair-keystore [OPTIONS] <SUBCOMMAND>

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

OPTIONS:
    -r, --lair-root <lair-root>    Lair root storage and config directory [env: LAIR_ROOT=]  [default: .]

SUBCOMMANDS:
    help           Prints this message or the help of the given subcommand(s)
    import-seed    Load a seed bundle into this lair-keystore instance.
                   Note, this operation requires capturing the pid_file,
                   make sure you do not have a lair-server running.
                   Note, we currently only support importing seed bundles
                   with a pwhash cipher. We'll try the passphrase you
                   supply with all ciphers used to lock the bundle.
    init           Set up a new lair private keystore.
    server         Run a lair keystore server instance. Note you must
                   have initialized a config file first with
                   'lair-keystore init'.
    url            Print the connection_url for a configured lair-keystore
                   server to stdout and exit.

lair-keystore init --help

lair-keystore-init 0.6.1
Set up a new lair private keystore.

USAGE:
    lair-keystore init [FLAGS]

FLAGS:
    -h, --help       Prints help information
    -p, --piped      Instead of the normal "interactive" method of passphrase
                     retrieval, read the passphrase from stdin. Be careful
                     how you make use of this, as it could be less secure,
                     for example, make sure it is not saved in your
                     `~/.bash_history`.
    -V, --version    Prints version information

lair-keystore url --help

lair-keystore-url 0.6.1
Print the connection_url for a configured lair-keystore
server to stdout and exit.

USAGE:
    lair-keystore url

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

lair-keystore import-seed --help

lair-keystore-import-seed 0.6.1
Load a seed bundle into this lair-keystore instance.
Note, this operation requires capturing the pid_file,
make sure you do not have a lair-server running.
Note, we currently only support importing seed bundles
with a pwhash cipher. We'll try the passphrase you
supply with all ciphers used to lock the bundle.

USAGE:
    lair-keystore import-seed [FLAGS] <tag> <seed-bundle-base64>

FLAGS:
    -d, --deep-lock     Specify that this seed should be loaded as a
                        "deep-locked" seed. This seed will require an
                        additional passphrase specified at access time
                        (signature / box / key derivation) to decrypt the seed.
    -e, --exportable    Mark this seed as "exportable" indicating
                        this key can be extracted again after having
                        been imported.
    -h, --help          Prints help information
    -p, --piped         Instead of the normal "interactive" method of passphrase
                        retrieval, read the passphrase from stdin. Be careful
                        how you make use of this, as it could be less secure.
                        Passphrases are newline delimited in this order:
                        - 1 - keystore unlock passphrase
                        - 2 - bundle unlock passphrase
                        - 3 - deep lock passphrase
                          (if -d / --deep-lock is specified)
    -V, --version       Prints version information

ARGS:
    <tag>                   The identification tag for this seed.
    <seed-bundle-base64>    The base64url encoded hc_seed_bundle.

lair-keystore server --help

lair-keystore-server 0.6.1
Run a lair keystore server instance. Note you must
have initialized a config file first with
'lair-keystore init'.

USAGE:
    lair-keystore server [FLAGS]

FLAGS:
    -h, --help       Prints help information
    -p, --piped      Instead of the normal "interactive" method of passphrase
                     retreival, read the passphrase from stdin. Be careful
                     how you make use of this, as it could be less secure,
                     for example, make sure it is not saved in your
                     `~/.bash_history`.
    -V, --version    Prints version information

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