Link to this headingTETRA

  • Used globally to transmit voice and data through radios
    • Police, Military, airports, harbors, etc.
    • Used in SCADA WLAN
  • Secret Crypto in use

Source

Link to this headingTEA1

  • When replaying an message you can modify it to add a single 0 or 1 at the end of the message. If you receive a Acknowledgement then you have guessed the correct part of the key steam.
    • You can continue this for any length message
    • Doing this you can uncover the key stream of a recorded previous message.
  • Effective Security is 32bits

Link to this headingTEA2

  • Ok as of now

Link to this headingTEA3

  • Suspicious double entry in SBOX

Link to this headingTEA4

  • Also exploitable uses 56 bit keys

Link to this headingTEA5

  • Used for EU Public Safety
  • Ok as of now

Link to this headingTEA6

  • ExtraEU Public Safety
  • Less OK

Link to this headingTEA7

  • Effective keysize of 56 bits

Link to this headingTAA

  • Authentication Algorithm
  • Minor Issues

Link to this headingTAA2

New algorithm