JamesMunns[m]: > <@jamesmunns:beeper.com> ```
> Using the ChaCha8Poly1305, I get reasonable performance for authenticated encryption/decryption at 64MHz:
> 
> len:   8 encr:  76uS decr:  83uS
> len:  32 encr:  81uS decr:  90uS
> len:  64 encr: 107uS decr: 116uS
> len: 128 encr: 163uS decr: 172uS
> len: 236 encr: 259uS decr: 266uS
> ```

Thanks Ill take a look. For encryption on stm32wl I need to understand the key protection scheme they have. I think they use the hardware AES stuff for that but I have not looke too closely at that yet