Semtech LR1121 - 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

LR1121
User Manual Rev 1.1
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11.4 Crypto Engine Use with LoRaWAN V1.0.x
The key derivation scheme is available from the LoRaWAN specification:
Figure 11-2: Key Derivation Scheme for LoRaWAN 1.0.x
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 1.1.x
LORAWAN_DEVICE_EUI LORAWAN_DEVICE_EUI
LORAWAN_APP_EUI LORAWAN_JOIN_EUI
LORAWAN_GEN_APP_KEY
1
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
LORAWAN_APP_KEY
1
LORAWAN_APP_KEY LORAWAN_NWK_KEY
LORAWAN_NWK_S_KEY LORAWAN_F_NWK_S_INT_KEY
LORAWAN_NWK_S_KEY LORAWAN_S_NWK_S_INT_KEY
LORAWAN_NWK_S_KEY LORAWAN_NWK_S_ENC_KEY
LORAWAN_APP_S_KEY LORAWAN_APP_S_KEY