摘要 |
In accordance with an example aspect of the present invention, there is provided an apparatus comprising at least one receiver configured to receive, via a first channel, a secret value and an identifier of a local node and, via a second channel, a random value, and at least one processing core configured to cause transmission to the local node of a first message comprising a hash value, the hash value being derived based on a set comprising the secret value, the random value, and an instruction. |