Java ring
- 1. JAVA RING 1 Presented by : Etty Mathews Class : C6 Roll no. : 7
- 2. JAVA RING A finger ring that contains a small microprocessor a sort of smart card that is wearable on a finger It’s a stainless steel ring called I-button. 2
- 3. HISTORICAL BACKGROUND Dallas semiconductor Corp. Produced the first java ring in 1989 By 1990 this protocol was refined. Sun Microsystems Java ring was introduced at Java One Conference in 1998. Earlier “touch memory”->“I-button”. 3
- 4. It is a 1-millon transistors in a single chip. The i-button is microcomputer with a powerful JVM (Java Virtual Machine) in the steel can. I-button is preloaded with applets (Little Application programs). Packaged module has a single electric contact and a ground return. Micro chip WHAT IS JAVA RING 4
- 5. Lithium backed NVRAM offers high read/write speed Offers tamper resistance through instantaneous clearing. Data integrity and clock function maintained for more than 10 years. Tested at Celebration School, Orlando. Rings programmed with java applets. Operating System -E-commerce was designed 5
- 6. SECURITY 6 Packaged in a 16 mm stainless steel can Protects from tampering like hard knocks Rapid Zeroization occurs. Extreme temperature or voltage causes Zeroization. A secret “Personal Identification Number” is maintained. Stainless-steel can
- 7. 7 COMPONENTS Java Virtual Machine (JVM) RAM ROM Real Time Clock I-button Blue Dot Receptor 1 –Wire Interface
- 8. 8 JAVA VIRTUAL MACHINE (JVM) Its a piece of software, recognizes java language. Translates into byte code which can be used by the system. Preloaded with small programs.
- 9. 9 RAM Java ring contains Non-Volatile Random Access Memory(NVRAM). Data stored in this NVRAM. Provides r/w & tamper resistance through Zeroization. Existing 6Kb can be extended up to 128 Kb. Lithium energy preserves the complete state. I-buttons when not contact with receptor has zero executing speed.
- 10. 10 ROM Contains 32 Kb of ROM E-Commerce & Java Virtual Machine stored in the ROM. Not supposed to be altered by the user. Operating system handles operations in i-button.
- 11. 11 REAL TIME CLOCK It gives the exact time of the day. 32 Kilohertz crystal oscillator operates the time Energy provided by lithium backup Inconsistent clock frequency makes it safer It runs for more than 10 years with the lithium energy.
- 12. 12 I-BUTTON Jewel of the java ring. Contains 1-million transistor processors in single chip I-button
- 13. 13 ROM,NVRAM is bonded to barrier substrate. Barrier substrate and triple layer deny access to data. This helps to keep private keys and confidential data. Barrier Substrate Triple layer
- 14. 14 Figure shows a type of i-button Lithium cell- for backup power Energy reservoir Quartz- for real time clock
- 15. 15 Has single data contact on front Does reading, writing and power applied to the module Lid is the data contact. This contact is connected to Chip inside. Each button has unique Registration number. Some have it on the ROM also 64-bit registration number
- 16. 16 These numbers are globally unique. No two i-buttons share the same number Needs physical contact with reader to function Button will stand up to harsh conditions. Zeroization occurs in case of tampering. Microchip in stainless-steel can
- 17. 17 TYPES OF I-BUTTON Memory i-button Stores typed text ,digitized photos. Java Powered Cryptographic i-button Stores encrypted and decrypted data in JVM. Themochron i-button Tracks time ,temperature and calendar etc.
- 18. 18 BLUE DOT RECEPTOR Read /Write operation is done by RS232C serial port. Information is transferred through a momentary contact. Just touch the i-button to the receptor for data transfer. Has Speed up to 142Kbps. Blue Dot Receptor
- 19. 19 1-WIRE INTERFACE Used for the communication between PC & I-button. Has different communication speeds. Every device has unique serial number. Bus master issues a reset A specific Slave device is selected by unique serial number. All other devices are ignored After selection data are read and written into button.
- 20. 20 Unique serial number is laser etched on to the chip. 64 bit registration number can be divided into three parts First 8 bit identify the family of i-button Middle 48 bit identify the serial number Last 8bit for error free reading
- 21. 21 TMEX RUNTIME ENVIRONMENT (TRTE) Its a software to interface i-button and computer. It installs all drivers and software needed for the i-button. It supports Windows 32 bit
- 22. 22 WORKING OF JAVA RING Java ring is programmed with applets that is specific for different users. Information transfers with a momentary contact at up to 142Kbps. Signet of the i-button is touched to the receptor. The receptor is cabled to the serial port which is attached to system.
- 23. 23 Signet of i-button is pressed to the receptor. System connected performs the necessary functions as instructed. Both ring and receptor have the user profile. It checks both the profile If authentication satisfies, the door Opens. Opening door using java ring
- 24. 24 APPLICATIONS Store data such as secret code, credit card numbers etc. Can be affixed to badge ,watch ,keychain or ring. Can be used to store cash. Used to open doors.
- 25. 25 To get the account balance. Used in cars for security Java ring used to unlock door
- 26. 26 COMPARISON Can be compared to a credit/debit card. It has a magnetic strip which can be tampered. Transactions won’t be accepted. But i-button stand up the harsh conditions.
- 27. 27 ADVANTAGES Ideal where information need to travel with person. Replace many password protected devices for financial transactions. More secure than using passwords. Withstand harsh conditions. Provide authentication to users with the PIN. Data transferred by electric conductivity, no radio frequency needed.
- 28. 28 DISADVANTAGES Java ring being most secure but receptor could be very expensive. Many organization doesn’t know the existence of java ring. I-button have limited memory. Limited amount of information can be stored.
- 29. 29 CURRENT LIFE USAGE Used by the students at Celebration School, Orlando. In Istanbul, people use for e-cash transactions In U.S also it is used
- 30. 30 CONCLUSION It is highly durable ( secure stainless steel packing) It can be attached to a wide variety of accessories like keychain etc. In near future it will be widely used.
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