blake2s hash efficiently coded in arm cortex-m3 assembly
The code is believed to have a good space/speed balance. It's about the fastest one can get without inlining all the rounds.
The code size is about 1300 bytes.
The perfomance on STM-32F105 (36MHz, running from flash with two waitstates):
| data size, bytes | time, ms |
|---|---|
| 1024 | 1 |
| 2048 | 2 |
| 4096 | 4 |
| 8192 | 7 |
| 16384 | 15 |