Gsm based authentication using one time password for atm machine
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This document discusses using a one-time password for authentication in ATM machines. A one-time password is only valid for a single login session and avoids vulnerabilities of static passwords like replay attacks. The document outlines using an Atmega-16 microcontroller, GSM modem, keypad and mobile phone for hardware and AVR studio, Sinaprog and Flash Magic for software. It proposes sending a one-time password to a mobile phone for ATM authentication via a GSM network to improve security over static passwords.
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Gsm based authentication using one time password for atm machine
- 1. GSM BASED AUTHENTICATION USING ONE TIME PASSWORD FOR ATM MACHINE ABSTRACT A one-time password (OTP) is a password that is valid for only one login session or transaction. OTPs avoid a number of shortcomings that are associated with traditional (static) passwords. The most important shortcoming that is addressed by OTPs is that, in contrast to static passwords, they are not vulnerable to replay attacks. This means that a potential intruder who manages to record an OTP that was already used to log into a service or to conduct a transaction will not be able to abuse it, since it will be no longer valid. On the downside, OTPs are difficult for human beings to memorize. Therefore they require additional technology to work. HARDWARE REQUIRMENTS Atmega-16MICROCONTROLLER GSM MODEM KEYPAD 4x4 MOBIL PHONE SOFTWARE REQUIRMENTS AVR-studio Sinaprog FLASH MAGIC