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+# otp plugin
+
+This plugin allows you to create one-time passwords using [`oathtool`](https://www.nongnu.org/oath-toolkit/man-oathtool.html),
+able to replace MFA devices. The oathtool key is kept in a GPG-encrypted file so the codes
+can only be generated by a user able to decrypt it.
+
+To use it, add `otp` to the plugins array in your zshrc file:
+```zsh
+plugins=(... otp)
+```
+
+Provided aliases:
+
+- `otp_add_device`: creates a new encrypted storage for an oathtool key and stores it
+  on the disk. For encrypting the key, it will ask for a GPG user ID (your GPG key's
+  email address). Then the OTP key needs to be pasted, followed by a CTRL+D character
+  inserted on an empty line.
+
+- `ot`: generates a MFA code based on the given key and copies it to the clipboard 
+  (on Linux it relies on xsel, on MacOS X it uses pbcopy instead).
+
+The plugin uses `$HOME/.otp` to store its internal files.