The clone chip must therefore attempt to find {TAIL ~ a new value} R2 such that the hash of {HEAD ~ R2} and a chosen M2 yields the same hash value as H. However the System Authentication Chip does not reveal the correct hash value  
The clone chip must therefore attempt to find { TAIL ~ a new value } R2 such that the hash of { HEAD ~ R2 } and a chosen M2 yields the same hash value as H. However the System Authentication Chip does not reveal the correct hash value
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH