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  2. Central Depository Services Limited - Wikipedia

    en.wikipedia.org/wiki/Central_Depository...

    In February 1999, CDSL received certificate of commencement of business from Securities and Exchange Board of India (SEBI). [7] On 30 June 2017, CDSL was listed on the National Stock Exchange (NSE) through initial public offering (IPO) [8] making it the first depository in Asia-Pacific region and only the second depository in the world to get listed.

  3. Time-based one-time password - Wikipedia

    en.wikipedia.org/wiki/Time-based_One-Time_Password

    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 .

  4. One-time password - Wikipedia

    en.wikipedia.org/wiki/One-time_password

    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.

  5. multiOTP - Wikipedia

    en.wikipedia.org/wiki/MultiOTP

    If a strong two-factor authentication system is used, the stolen passwords cannot be stored and later used because each one-time password is valid for only one authentication session, and will fail if tried a second time. [1] multiOTP is a PHP class library. The class can be used with any PHP application using a PHP version of 5.3.0 or higher.

  6. Multi-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Multi-factor_authentication

    Multi-factor authentication (MFA; two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism.

  7. Mutual authentication - Wikipedia

    en.wikipedia.org/wiki/Mutual_authentication

    Mutual authentication is a desired characteristic in verification schemes that transmit sensitive data, in order to ensure data security. [1] [2] Mutual authentication can be accomplished with two types of credentials: usernames and passwords, and public key certificates. Mutual authentication is often employed in the Internet of Things (IoT ...

  8. Single sign-on - Wikipedia

    en.wikipedia.org/wiki/Single_sign-on

    Single sign-on (SSO) is an authentication scheme that allows a user to log in with a single SSO ID to any of several related, yet independent, software systems. True single sign-on allows the user to log in once and access services without re-entering authentication factors.

  9. FreeOTP - Wikipedia

    en.wikipedia.org/wiki/FreeOTP

    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]