Message in a Bottle
Elliptic Curve PGP for SMS

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  • Basic Notions
  • Elliptic curve cryptography
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  • Send public key
  • Receive public key
  • Send encrypted SMS
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Government Edition

Message in a Bottle, Government Edition, enables sending and receiving encrypted and digitally signed SMSs with the highest level of security. Government Edition's cryptographic engine supplies the highest level of security despite good performances in terms of speed and usability. Therefore, Government Edition is suitalble for private investigators, security agency, security force and, more in general, for who needs the higest level of security in SMS communications.

Security Level Ultra Top Secret Top Secret Secret Restricted Confidential Public	Cryptographic Parameters Elliptic Curve Key 256 bit AES Encryption Key 256 bit AES Encryption Block 256 bit
Features Encrypted SMS Digitally signed SMS Diffie-Hellman Key Exchange Additional encryption key (*) Key Ring SMS advanced settings PIN advanced settings Secure deletion on SMS (**) Total erase in event of PIN attack (***)	Yes Yes Yes Yes Yes Yes Yes Yes Yes

* Governemt Editionenables adding an additional encryption key in order to encrypt the public key during key exchange procedure. Such an additional key protect from the "Man in the Middle Attack".

** Governemt Edition allows setting secure deletion for SMS. If so the memory assigned to a deleted SMS is filled  with zeros.

*** Governemt Edition has a special security mechanism which erases the internal memory with private key and all keys and SMSs when a PIN attack is recognized i.e., when the maximum number of trials for typing the correct PIN is reached. Also in this case, memory is filled with zeros.

Minimal requirement for the handset:
- Java MIDP2.0
- Wireless Messaging API (WMA 1.0 - JSR120)