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109 lines
6.1 KiB
Groff
109 lines
6.1 KiB
Groff
.\" generated with Ronn/v0.7.3
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.\" http://github.com/rtomayko/ronn/tree/0.7.3
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.
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.TH "GIT\-SECRET" "7" "August 2018" "sobolevn" "git-secret"
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.
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.SH "NAME"
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\fBgit\-secret\fR
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.
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.SH "Usage: Setting up git\-secret in a repository"
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These steps cover the basic process of using \fBgit\-secret\fR:
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.
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.IP "1." 4
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Before starting, make sure you have created \fBgpg\fR RSA key\-pair: public and secret key identified by your email address\.
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.
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.IP "2." 4
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Begin with an existing or new git repository\. You\'ll use the \'git secret\' commands to add the keyrings and information to make the git\-secret hide and reveal files in this repository\.
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.
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.IP "3." 4
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Initialize the \fBgit\-secret\fR repository by running \fBgit secret init\fR command\. the \fB\.gitsecret/\fR folder will be created, \fBNote\fR all the contents of the \fB\.gitsecret/\fR folder should be checked in, /except/ the \fBrandom_seed\fR file\. In other words, of the files in \.gitsecret, only the random_seed file should be mentioned in your \.gitignore file\.
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.
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.IP "4." 4
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Add the first user to the git\-secret repo keyring by running \fBgit secret tell your@gpg\.email\fR\.
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.
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.IP "5." 4
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Now it\'s time to add files you wish to encrypt inside the \fBgit\-secret\fR repository\. It can be done by running \fBgit secret add <filenames\.\.\.>\fR command\. Make sure these files are ignored by mentions in \.gitignore, otherwise \fBgit\-secret\fR won\'t allow you to add them, as these files could be stored unencrypted\.
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.
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.IP "6." 4
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When done, run \fBgit secret hide\fR to encrypt all files which you have added by the \fBgit secret add\fR command\.
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.
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.br
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The data will be encrypted with the public\-keys described by the \fBgit secret tell\fR command\. After using \fBgit secret hide\fR to encrypt your data, it is safe to commit your changes\. \fBNOTE:\fR\. It\'s recommended to add \fBgit secret hide\fR command to your \fBpre\-commit\fR hook, so you won\'t miss any changes\.
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.
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.IP "7." 4
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Later you can decrypt files with the \fBgit secret reveal\fR command, or just show their contents to stdout with the \fBgit secret cat\fR command\. If you used a password on your GPG key (always recommended), it will ask you for your password\. And you\'re done!
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.IP "" 0
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.
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.SS "Usage: Adding someone to a repository using git\-secret"
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.
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.IP "1." 4
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Get their \fBgpg\fR public\-key\. \fBYou won\'t need their secret key\.\fR
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.
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.IP "2." 4
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Import this key into your \fBgpg\fR setup (in ~/\.gnupg or similar) by running \fBgpg \-\-import KEY_NAME\.txt\fR
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.
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.IP "3." 4
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Now add this person to your secrets repo by running \fBgit secret tell persons@email\.id\fR (this will be the email address associated with the public key)
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.IP "4." 4
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The newly added user cannot yet read the encrypted files\. Now, re\-encrypt the files using \fBgit secret reveal; git secret hide \-d\fR, and then commit and push the newly encrypted files\. (The \-d options deletes the unencrypted file after re\-encrypting it)\. Now the newly added user be able to decrypt the files in the repo using \fBgit\-secret\fR\.
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.IP "" 0
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.P
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Note that it is possible to add yourself to the git\-secret repo without decrypting existing files\. It will be possible to decrypt them after re\-encrypting them with the new keyring\. So, if you don\'t want unexpected keys added, you can configure some server\-side security policy with the \fBpre\-receive\fR hook\.
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.
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.SH "Configuration"
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You can configure the version of gpg used, or the extension your encrypted files use, to suit your workflow better\. To do so, just set the required variable to the value you need\. This can be done in your shell environment file or with each \fBgit\-secret\fR command\.
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.
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.P
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The settings available to be changed are:
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.
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.IP "\(bu" 4
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\fB$SECRETS_GPG_COMMAND\fR \- sets the \fBgpg\fR alternatives, defaults to \fBgpg\fR\. It can be changed to \fBgpg\fR, \fBgpg2\fR, \fBpgp\fR, \fB/usr/local/gpg\fR or any other value\. After doing so rerun the tests to be sure that it won\'t break anything\. Tested to be working with: \fBgpg\fR, \fBgpg2\fR\.
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.
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.IP "\(bu" 4
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\fB$SECRETS_EXTENSION\fR \- sets the secret files extension, defaults to \fB\.secret\fR\. It can be changed to any valid file extension\.
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.
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.IP "\(bu" 4
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\fB$SECRETS_DIR\fR \- sets the directory where git\-secret stores its files, defaults to \.gitsecret\. It can be changed to any valid directory name\.
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.
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.IP "" 0
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.
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.SH "The <code>\.gitsecret</code> folder (can be overridden with SECRETS_DIR)"
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This folder contains information about the files encrypted by git\-secret, and about which public/private key sets can access the encrypted data\.
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.
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.P
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You can change the name of this directory using the SECRETS_DIR environment variable\.
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.
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.P
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Use the various \'git secret\' commands to manipulate the files in \fB\.gitsecret\fR, you should not change the data in these files directly\.
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.
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.P
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Exactly which files exist in the \fB\.gitsecret\fR folder and what their contents are vary slightly across different versions of gpg\. Thus it is best to use git\-secret with the same version of gpg being used by all users\. This can be forced using SECRETS_GPG_COMMAND environment variable\.
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.
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.P
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Specifically, there is an issue between gpg version 2\.1\.20 and later versions which can cause problems reading and writing keyring files between systems (this shows up in errors like \'gpg: skipped packet of type 12 in keybox\')\.
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.P
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The git\-secret internal data is separated into two directories:
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.SS "<code>\.gitsecret/paths</code>"
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This directory currently contains only the file \fBmapping\.cfg\fR, which lists all the files your storing encrypted\. In other words, the path mappings: what files are tracked to be hidden and revealed\.
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.P
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All the other internal data is stored in the directory:
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.SS "<code>\.gitsecret/keys</code>"
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This directory contains data used by git\-secret and PGP to allow and maintain the correct encryption and access rights for the permitted parties\.
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.
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.P
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Generally speaking, all the files in this directory \fIexcept\fR \fBrandom_seed\fR should be checked into your repo\.
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.
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.br
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By default, \fBgit secret init\fR will add the file \fB\.gitsecret/keys/random_seed\fR to your \.gitignore file\.
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.
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.P
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Again, you can change the name of this directory using the SECRETS_DIR environment variable\.
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