| Advanced Encryption Standard |
AES – Advanced Encryption Standard AcceleratorQuick FactsThe hardware AES encryption is available in Energy Mode 0 to Energy Mode 1 and significantly reduces encryption/decryption time. The AES accelerator performs AES encryption and decryption with 128-bit or 256-bit keys. Encrypting or decrypting one 128-bit data block takes 54 HFCORECLK cycles with 128-bit keys and 75 HFCORECLK cycles with 256-bit keys. The AES module is an AHB slave which enables efficient access to the data and key registers. All write accesses to the AES module must be 32-bit operations, i.e. 8- or 16-bit operations are not supported.
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