128-bit key for XTEA and Programmable Round Number up to 64
Supports the Four Standard Modes of Operation specified in the FIPS Publication 81, DES Modes of Operation
Electronic Code Book (ECB)
Cipher Block Chaining (CBC)
Cipher Feedback (CFB)
Output Feedback (OFB)
8-, 16-, 32- and 64-bit Data Sizes Possible in CFB Mode
Last Output Data Mode Allowing Optimized Message (Data) Authentication Code (MAC) Generation
Abnormal Software Access Reports and Automatic Lock
Abnormal Internal Sequence Detection and Automatic Lock
Register Write Protection
Temporary Secured Storage for Keys
Private Key Bus Access to the Private Key Internal Register Not Readable from any Peripheral or Software
Connection to DMA Optimizes Data Transfers for all Operating Modes
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