otpclient1

Usage

Overview

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:

Application Options:

Notes

For other information and tutorials, see:

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