rustysecrets-cli is a command-line wrapper around RustySecrets, a Rust implementation of threshold Shamir's secret sharing.
$ cargo install rustysecrets-cli
$ mkdir shares
$ cat > secret.txt
These programs were never about terrorism: they’re about economic spying,
social control, and diplomatic manipulation. They’re about power.
^D
$ rustysecrets split secret.txt -o shares -k 7 -n 10 -m text/plain
$ ls shares/
share_0 share_1 share_2 share_3 share_4 share_5 share_6 share_7 share_8 share_9
$ rustysecrets recover shares/share_{0-6}
info: Version: INITIAL_RELEASE
info: MIME-Type: text/plain
These programs were never about terrorism: they’re about economic spying,
social control, and diplomatic manipulation. They’re about power.
$ rustysecrets recover shares/share_{0-2}
error: Could not recover secret
caused by: Not enough shares provided!USAGE:
rustysecrets <SUBCOMMAND>
OPTIONS:
-h, --help Prints help information
-V, --version Prints version information
SUBCOMMANDS:
help Prints this message or the help of the given subcommand(s)
recover Recover the secret from the shares [aliases: r]
split Split a secret into shares [aliases: s]
Split a secret into shares
USAGE:
rustysecrets split [OPTIONS] <INPUT> --output <DIR> -k <k> -n <n>
OPTIONS:
-o, --output <DIR> Path to the directory to output the shares to
-m, --mime <MIME> The MIME type of the secret
-h, --help Prints help information
-k <k> Number of shares necessary to recover the secret
-n <n> Total number of generated shares
-r, --raw Include this flag to generate raw shares (ie. without a MIME type)
-t, --share-tmpl <share-tmpl> Template for the share names. Defaults to 'share_{{num}}'
-s, --sign Sign the shares
-v, --verbose Enable verbose mode
ARGS:
<INPUT> Path to the file containing the secret to split, or - to read from stdin
Recover the secret from the shares
USAGE:
rustysecrets recover [OPTIONS] <SHARES>...
OPTIONS:
-o, --output <FILE> Path to file to output the secret to, prints to stdout if omitted
-h, --help Prints help information
-r, --raw Include this flag if the shares are raw (ie. do not contain a MIME type)
-v, --verbose Enable verbose mode
--verify Verify the shares signatures
ARGS:
<SHARES>... Paths to shares to recover the secret from
Please report bugs either as pull requests or as issues in the issue tracker. rustysecrets-cli has a full disclosure vulnerability policy. Please do NOT attempt to report any security vulnerability in this code privately to anybody.
RustySecrets CLI is released under the BSD3 license. See LICENSE for more informations.
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