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"0": Encryption off
"1": Encryption on
Default is encryption off. Note that the Session Key must be set prior to turning encryption on
with this command. If an endpoint receives the session key that was broadcast by the
coordinator, encryption will be automatically enabled. See the section on
Encryption
If this command is sent without an argument, the current value will be returned.
4.3.1.22
PK – Provisioning Key
Sets the encryption key that is used to encrypt keys that are broadcast wirelessly in the field.
This key can only be set through AT commands and should be set prior to deployment in the
field. The parameter for this command is the 128-bit / 16-byte AES encryption key in ASCII
coded hex values.
For example, if the 128-bit key is 0x12345678901234567890123456789012, then the
parameter would be the ASCII string "12345678901234567890123456789012".
4.3.1.23
SK – Session Key
Sets the encryption key that is used to encrypt the payload for normal operation. This key can
be set either through AT commands or in the field by use of the Broadcast Key command. If
the session key is broadcast in the field, it is encrypted with the provisioning key set at the
factory. The parameter for this command is the 128-bit / 16-byte AES encryption key in ASCII
coded hex values.
For example, if the 128-bit key is 0x12345678901234567890123456789012, then the
parameter would be the ASCII string "12345678901234567890123456789012".
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for more detail.
Note the provisioning key cannot be read back. The value must be non-zero
before the Broadcast Key command is set to enable. See the section on
Security and Encryption
Note the session key cannot be read back. The value must be non-zero
before the Encryption Enable command is set to enable. See the section on
Security and Encryption
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