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Mobile identity is a development of online authentication and digital signatures, where the SIM card of one's mobile phone works as an identity tool. Mobile identity enables legally binding authentication and transaction signing for online banking , payment confirmation, corporate services, and consuming online content.
OCSP checking creates a privacy concern for some users, since it requires the client to contact a third party (albeit a party trusted by the client software vendor) to confirm certificate validity. OCSP stapling is a way to verify validity without disclosing browsing behavior to the CA. [2]
A mobile phone may be PIN protected. If enabled, the PIN (also called a passcode) for GSM mobile phones can be between four and eight digits [41] and is recorded in the SIM card. If such a PIN is entered incorrectly three times, the SIM card is blocked until a personal unblocking code (PUC or PUK), provided by the service operator, is entered. [42]
The MIN is a number that uniquely identifies a mobile phone working under TIA standards for cellular and PCS technologies (e.g. EIA/TIA–553 analog, IS–136 TDMA, IS–95 or IS-2000 CDMA). MIN usage became prevalent for mobile number portability to switch providers. It can also be called the MSID (Mobile Station ID) or IMSI_S (Short IMSI).
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 .
Originally, in analog systems, the mobile would turn on the roaming indicator if the SID was not the single value stored in the phone. With CDMA systems the Preferred Roaming List (PRL) is responsible for determining which areas a mobile can roam into. Base stations may also broadcast an MCC and MNC which can also be used by the PRL.
The international mobile subscriber identity (IMSI; / ˈ ɪ m z iː /) is a number that uniquely identifies every user of a cellular network. [1] It is stored as a 64-bit field and is sent by the mobile device to the network.
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.