46.2 Features
The following are key features of the AES module:
- Compliant with FIPS Publication 197, Advanced Encryption Standard (AES)
- 128/192/256 bit cryptographic key supported
- Encryption time of 57/67/77 cycles with 128-bit/192-bit/256-bit cryptographic key
- Five confidentiality modes of operation as recommended in NIST Special Publication 800-38A
- Electronic Code Book (ECB)
- Cipher Block Chaining (CBC)
- Cipher Feedback (CFB)
- Output Feedback (OFB)
- Counter (CTR)
- Supports Counter with CBC-MAC (CCM/CCM*) mode for authenticated encryption
- 8, 16, 32, 64, 128-bit data sizes possible in CFB mode
- Galois Counter mode (GCM) encryption and authentication