• Registered: 2010-03-06
  • Posts: 3

Topic: someone pls help me to decrypt it....

hi....currently im studying a algorithm  that encrypt a UID to a key(sector 0 key A)......below is the example...i got no idea what encryption they implement in it....i got all this keys using MFCUK....thanks to the author of the tool..hope u guys can help me out on this...i got more than 20 sample with me.all the sector 0 keys are different.

25 36 ba 28(UID) = b5 44 3a 0c a3 2f(KEY A)
f5 83 a2 80             = b0 f1 22 03 a3 2f
3a 1c d5 a7            =  7f 6e 55 6c a3 2f
ae e0 46 1f             = a8 92 c6 f5 a3 2f
54 c2 2d 44             = ba b0 ad da a3 2f
e4 a0 06 51             = ?? ?? ?? ?? a3 2f

i cant get the pattern of this keys.hope someone can help me out on this.

  • Andy
  • Member
  • Offline
  • Registered: 2009-11-11
  • Posts: 18

Re: someone pls help me to decrypt it....

Look this topics: http://www.libnfc.org/community/topic/141/oysters/