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:
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Support both TOTP and HOTP.
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Support setting custom digits (between 4 and 10 inclusive).
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Support setting a custom period (between 10 and 120 seconds inclusive).
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Support SHA1, SHA256 and SHA512 algorithms.
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Support for Steam codes.
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Import encrypted Authenticator Plus backup.
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Import and export encrypted and/or plain andOTP backup.
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Import and export plain FreeOTPPlus backup (key URI format only).
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Import and export plain Aegis backup (plain json only).
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Local database is encrypted using AES256-GCM.
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Key is derived using PBKDF2 with SHA512 and 100k iterations.
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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
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Show help options.
- --help-all
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Show all help options.
- --help-gapplication
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Show GApplication options.
- --help-gtk
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Show GTK+ Options.
Application Options:
- --display=DISPLAY
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X display to use.
NOTES
For other information and tutorials, see:
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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).