[pchelpers] Ever heard of a TPM?

This acronym turned up while looking for news reports this morning. I 
had never seen it before. It apparently stands for "Trusted Platform 
Module". The explanation for this 'new' term is given in brief below:

What is a TPM?
The TPM is a microcontroller that stores keys, passwords and digital 
certificates. It typically is affixed to the motherboard of a PC. It 
potentially can be used in any computing device that requires these 
functions. The nature of this silicon ensures that the information 
stored there is made more secure from external software attack and 
physical theft. Security processes, such as digital signature and key 
exchange, are protected through the secure TCG subsystem. Access to data 
and secrets in a platform could be denied if the boot sequence is not as 
expected. Critical applications and capabilities such as secure email, 
secure web access and local protection of data are thereby made much 
more secure.  TPM capabilities also can be integrated into other 
components in a system.

More information (to satisfy the acronym hungry) is provided here:
https://www.trustedcomputinggroup.org/faq/TPMFAQ/
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