Aes Coprocessor - Texas Instruments CC253x User Manual

The Advanced Encryption Standard (AES) coprocessor allows encryption or decryption to be performed
with minimal CPU usage.
The coprocessor has the following features:
• Supports all security suites in IEEE 802.15.4
• ECB, CBC, CFB, OFB, CTR, and CBC-MAC modes
• Hardware support for CCM mode
• 128-bit key and IV/nonce
• DMA transfer trigger capability
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Topic
15.1 AES Operation
15.2 Key and IV
15.3 Padding of Input Data
15.4 Interface to CPU
15.5 Modes of Operation
15.6 CBC-MAC
15.7 CCM Mode
15.8 AES Interrupts
15.9 AES DMA Triggers
15.10 AES Registers
146

AES Coprocessor

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Copyright © 2009–2014, Texas Instruments Incorporated
Chapter 15
SWRU191F – April 2009 – Revised April 2014
AES Coprocessor
SWRU191F – April 2009 – Revised April 2014
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