NAME
  OTPClient - Simple GTK+ software to generate OTPs (TOTP and HOTP)

SYNOPSIS
  otpclient [OPTIONS]

DESCRIPTION
  OTPClient is GTK+ software for two-factor authentication that supports both Time-based One-time Passwords (TOTP) and HMAC-Based One-Time Passwords (HOTP).

  OTPClient have the following features:
  - Support both TOTP and HOTP.
  - Support setting custom digits (between 4 and 10 inclusive).
  - Support setting a custom period (between 10 and 120 seconds inclusive).
  - Support SHA1, SHA256 and SHA512 algorithms.
  - Support for Steam codes.
  - Import encrypted Authenticator Plus backup.
  - Import and export encrypted and/or plain andOTP backup.
  - Import and export plain FreeOTPPlus backup (key URI format only).
  - Import and export plain Aegis backup (plain json only).
  - Local database is encrypted using AES256-GCM.
    * Key is derived using PBKDF2 with SHA512 and 100k iterations.
    * Decrypted file is never saved (and hopefully never swapped) to disk. While the app is running, the decrypted content resides in a "secure memory" buffer allocated by Gcrypt.

OPTIONS
  Help Options:
   -h, --help           Show help options.

   --help-all           Show all help options.

   --help-gapplication  Show GApplication options.

   --help-gtk           Show GTK+ Options.

  Application Options:
   --display=DISPLAY    X display to use.

NOTES
  For other information and tutorials, see:

  * https://github.com/paolostivanin/OTPClient/wiki

AUTHOR
  OTPClient was written by Paolo Stivanin.

  This manual page was written by Francisco Vilmar Cardoso Ruviaro for the Debian project (but may be used by others).
