Cryptoaesdecrypt; Table 12-18: Cryptoaesdecrypt Command; Table 12-19: Cryptoaesdecrypt Response; Table 12-17: Cryptoaesencrypt Response - Semtech LR1110 User Manual

Table 12-17: CryptoAesEncrypt Response

Byte
Data from Host
Data to Host
•
KeyID: specified Key ID, as defined in
•
Data1, Data2, ... , DataN: Provided data, considered as Byte buffers.
•
CEStatus: defined in section
•
EncryptedData1, EncryptedData2, ... , EncryptedDataN: Encrypted data, considered as Byte buffers

12.3.9 CryptoAesDecrypt

The command CryptoAesDecrypt( ) will decrypt the provided data using the specified Key and return it.

Table 12-18: CryptoAesDecrypt Command

Byte
Data from Host
Data to Host

Table 12-19: CryptoAesDecrypt Response

Byte
Data from Host
Data to Host
•
KeyID: specified Key ID, as defined in
•
Data1, Data2, ... , DataN: Provided data, considered as Byte buffers.
•
CEStatus: defined in section
•
DecryptedData1, DecryptedData2, ... , DecryptedDataN: Decrypted data, considered as Byte buffers
LR1110
User Manual Rev.1.0
UM.LR1110.W.APP March 2020
0 1
0x00 0x00
Stat1 CEStatus
Table 12-1: Cryptographic Keys Usage and
CEStatus on page 107.
0 1
0x05 0x09
Stat1 Stat2
0 1
0x00 0x00
Stat1 CEStatus
Table 12-1: Cryptographic Keys Usage and
CEStatus on page 107.
www.semtech.com
2
0x00
Encrypted
Data1
Derivation. Goes from 0 to 27.
2 3
KeyID (7:0) Data1
IrqStatus IrqStatus
(31:24) (23:16)
2
0x00
Decrypted
Data1
Derivation. Goes from 0 to 27.
... N+1
... 0x00
Encrypted
...
DataN
... N+2
... DataN
... 0x00
... N+1
... 0x00
Decrypted
...
DataN
112 of 130
Semtech