Encrypt key method in 3 slave send 1 recive master

[autobot]

Hai friends,

I'm develop code on communicate 3 RFM69 slave device data send to 1 master RFM69 device network ID are same, but each 3 slave radio.encryptkey() are different keys. how can master get 3 slave data at a time Receiving it is possible. any sample code is there plss send me

[Felix]

You need the same KEY on both ends to decrypt the message.
You can switch the KEY at any time if you know when to expect a message encrypted with a different KEY.