Cryptoaesencrypt01; Table 10-14: Cryptoaesencrypt01 Command; Table 10-15: Cryptoaesencrypt01 Response - Semtech LR1121 User Manual

10.3.7 CryptoAesEncrypt01

Command CryptoAesEncrypt01(...) encrypts the provided data using the specified Key and returns the encrypted
data. It can't be used on key indexes 2-11, in order to prevent re-calculating the session keys.

Table 10-14: CryptoAesEncrypt01 Command

Byte 0
Data from Host 0x05
Data to Host Stat1

Table 10-15: CryptoAesEncrypt01 Response

Byte
Data from Host
Data to Host
•
KeyID: Specified Key ID, as defined in
Valid values are from12 to 25.
• Data1, Data2 to DataN: Provided data, considered as byte buffers.
• CEStatus: Defined in section
• EncryptedData1, EncryptedData2,... , EncryptedDataN: Encrypted data, considered as byte buffers.
LR1121
User Manual Rev 1.1
UM.LR1121.W.APP Mar 2023
1 2
0x07 KeyID (7:0)
IrqStatus
Stat2
(31:24)
0 1
0x00 0x00
Stat1 CEStatus
Table 10-1: Cryptographic Keys Usage and
CEStatus on page 103.
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3 4
0x01 Data2
IrqStatus IrqStatus
(23:16) (15:8)
2
0x00
Encrypted
Data1
Derivation.
... N+2
... DataN
... 0x00
... N+1
... 0x00
Encrypted
...
DataN
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