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Table 3 Execution times of cryptographic operations (in TriCore clock cycles). Note that the HSM offers no hardware-support for AES 256

From: Firmware Security Module

Algorithm   FSM HSM
SHA 256 First execution 4463 1239
  Later executions 4463 993
AES 128 (256) Initialization 1432 (1859) -
  Encryption 574 (768) 361 (n/a)
  Decryption 584 (786) 395 (n/a)