SLAAE29 January 2023 MSPM0G1105 , MSPM0G1106 , MSPM0G1107 , MSPM0G1505 , MSPM0G1506 , MSPM0G1507 , MSPM0G3105 , MSPM0G3106 , MSPM0G3107 , MSPM0G3505 , MSPM0G3506 , MSPM0G3507 , MSPM0L1105 , MSPM0L1106 , MSPM0L1303 , MSPM0L1304 , MSPM0L1304-Q1 , MSPM0L1305 , MSPM0L1305-Q1 , MSPM0L1306 , MSPM0L1306-Q1 , MSPM0L1343 , MSPM0L1344 , MSPM0L1345 , MSPM0L1346
The AES accelerator provides fast encryption and decryption of 128-bit blocks. AES accelerator performance in both cycles and execution time for block encryption and block decryption (with pregenerated decryption key) is given in Table 4-1.
AES Key Length | Encryption (OPx==0x0) | Decryption (OPx==0x3) | ||||
---|---|---|---|---|---|---|
Cycles | Time (32 MHz) | Time (80 MHz) | Cycles | Time (32 MHz) | Time (80 MHz) | |
128-bit | 168 | 5.25 μs | 2.10 μs | 168 | 5.25 μs | 2.10 μs |
256-bit | 234 | 7.31 μs | 2.93 μs | 234 | 7.31 μs | 2.93 μs |