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MasterCard SecureCode uses OTAC to confirm a user's identity One time authorization code as used in Yammer's desktop client. A one-time password (OTP), also known as a one-time PIN, one-time passcode, one-time authorization code (OTAC) or dynamic password, is a password that is valid for only one login session or transaction, on a computer system or other digital device.
Time-based one-time password (TOTP) is a computer algorithm that generates a one-time password (OTP) using the current time as a source of uniqueness. As an extension of the HMAC-based one-time password algorithm (HOTP), it has been adopted as Internet Engineering Task Force (IETF) standard RFC 6238 .
Free, open-source and multiplatform app to manage your TOTPs. Yes, requires a subscription for more than 6 TOTPs Yes Yes No Yes Yes No No Yes Yes Yes No No TOTP ME [39] Free, open-source J2ME MIDlet app to manage your TOTPs. Manually Using MicroEmulator app [40] Unknown Using J2ME Loader app [41] Yes Any with J2ME support or emulator Yes Yes Yes
Google Authenticator is a software-based authenticator by Google.It implements multi-factor authentication services using the time-based one-time password (TOTP; specified in RFC 6238) and HMAC-based one-time password (HOTP; specified in RFC 4226), for authenticating users of software applications.
FreeOTP is a free and open-source authenticator by RedHat. It implements multi-factor authentication using HOTP and TOTP. Tokens can be added by scanning a QR code or by manually entering the token configuration. It is licensed under the Apache 2.0 license, and supports Android and iOS. [4] [5] [6]
HMAC-based one-time password (HOTP) is a one-time password (OTP) algorithm based on HMAC.It is a cornerstone of the Initiative for Open Authentication (OATH).. HOTP was published as an informational IETF RFC 4226 in December 2005, documenting the algorithm along with a Java implementation.
Universal 2nd Factor (U2F) is an open standard that strengthens and simplifies two-factor authentication (2FA) using specialized Universal Serial Bus (USB), near-field communication (NFC), or Bluetooth Low Energy (BLE) devices based on similar security technology found in smart cards.
Aadhaar eSign is an online electronic signature service in India to facilitate an Aadhaar holder to digitally sign a document. [1] The signature service is facilitated by authenticating the Aadhaar holder via the Aadhaar-based e-KYC (electronic Know Your Customer) service.