Crypto Engine Use With Lorawan V1.0.X; Figure 11-2: Key Derivation Scheme For Lorawan 1.0.X; Table 11-9: Lorawan 1.0.X Vs. 1.1.X Security Correspondence Table - Semtech LR1121 User Manual

11.4 Crypto Engine Use with LoRaWAN V1.0.x

The key derivation scheme is available from the LoRaWAN specification:
Although the crypto engine of the LR1121 follows the key naming convention of the LoRaWAN 1.1.x Standard, it can be
used for LoRaWAN 1.0.x. The correspondence table is delivered below:

Table 11-9: LoRaWAN 1.0.x vs. 1.1.x Security Correspondence Table

1.0.x
LORAWAN_DEVICE_EUI
LORAWAN_APP_EUI
LORAWAN_GEN_APP_KEY
LORAWAN_APP_KEY
LORAWAN_NWK_S_KEY
LORAWAN_NWK_S_KEY
LORAWAN_NWK_S_KEY
LORAWAN_APP_S_KEY
1. The GenAppKey can be used as mother key to derive multicast-specific key material in LoRaWAN 1.0.x,
whereas AppKey is used in LoRaWAN 1.1.x
LR1121
User Manual Rev 1.1
UM.LR1121.W.APP Mar 2023

Figure 11-2: Key Derivation Scheme for LoRaWAN 1.0.x

LORAWAN_DEVICE_EUI
LORAWAN_JOIN_EUI
1
LORAWAN_APP_KEY
LORAWAN_NWK_KEY
LORAWAN_F_NWK_S_INT_KEY
LORAWAN_S_NWK_S_INT_KEY
LORAWAN_NWK_S_ENC_KEY
LORAWAN_APP_S_KEY
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1.1.x
1
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