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@ -144,7 +144,7 @@ Commercially, tamper sensing meshes have entered widespread use beginning around
in then-new HSMs, cryptographic coprocessors primarily aimed at the financial
industry~\cite{andersonSecurityEngineeringGuide2020}. Today, their use in finance has spread from HSMs in datacenters
and ATMs to the ATM pin pads themselves, which encrypt the customer's PIN right at the source, as well as in all kinds
of card payment terminals. We will analyze two such ATM pin pads later in this chapter.
of card payment terminals.
HSMs are used for highly sensitive operations even outside of the financial industry, although their adoption is
hampered by their high cost. These applications include key management in the TLS certificate infrastructure. In this