I try to use DCP to encrypt buffer with OTP key.
I can encrypt buffer only one time for each board reset. After first encrypt, I don't have error but result buffer is always set to initial value.
I try with key in payload and I have same result.
I try for all channel and I have same result.
I try to soft reset DCP and I have same result.
In fact It try many other cases and I have same result : only first DCP command work. All other leave result buffer unchanged.
Can you help me, please.