[Cryptography] "Death Note" elimination for hashes

[James A. Donald]

On 2013-10-22 08:06, Jerry Leichter wrote:
 > The vast majority - hundreds of millions - of Android devices out
 > there run versions of Android with known, sometimes severe, security
 > bugs.  They can't, and won't, be upgraded.  Is your best response
 > "well, brick 'em all"?

Because we cannot brick them all, they were made so that they could
not easily be updated, or could not be updated at all.

If there had been a credible threat to brick them all, they would
have been made so that they could easily and routinely be updated.