# Commandline Authenticator A commandline Authenticator App (for Authy, Google Authenticator, Microsoft Authenticator, Facebook Authenticator, TOTP, etc) ```bash authenticator --generate --issuer "ACME" --account "user@example.com" Key: ru36 53z3 fmh4 d67u kgeh 7rgj hcbb ypnd Token: 947464 URL: otpauth://totp/ACME:user@example.com?secret=RU3653Z3FMH4D67UKGEH7RGJHCBBYPND&issuer=ACME&algorithm=SHA1&digits=6&period=30 ``` ## Install **Install node.js 4.0+**: ```bash curl -L bit.ly/iojs-min | bash ``` **Install authenticator**: ```bash npm install --global authenticator-cli ``` ## Usage ```bash authenticator --help ``` ## Browser & Node Authenticator You may also be interested in * [Browser Authenticator](https://github.com/Daplie/browser-authenticator) over at * [Node.js Authenticator](https://github.com/Daplie/node-authenticator) over at ## Full Usage ``` Usage: authenticator [OPTIONS] Options: --account user@example.com Account Name, typically email address (Default is user@example.com) --algo SHA1 Algorithm, typically SHA1 (also SHA256, SHA512) (Default is SHA1) --digits 6 Number of digits, typically 6 (also 8) (Default is 6) --generate Create a cryptographically-random TOTP key formatted in base32 with spaces. (Default is true) --issuer ACME Issuer, typically the company name (Google, Facebook, Digital Ocean, etc) (Default is ACME) --key 'xxxx xxxx ...' Supply the base32 key yourself (with or without delimeters). Takes precedence over --generate --period 30 Number of seconds between tokens, typically 30 (Default is 30) --qr Print the QR Code to the Terminal. --verify '123 456' Verify a token. Must be used with --key. -h, --help Display help and usage details ```