Datasheet

42.8.13 Galois Hash x (GCM mode only)
Name: CIPLEN
Offset: 0X80
Reset: 0x00000000
Property: PAC Write-Protection
Bit 31 30 29 28 27 26 25 24
CIPLEN[31:24]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bit 23 22 21 20 19 18 17 16
CIPLEN[23:16]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bit 15 14 13 12 11 10 9 8
CIPLEN[15:8]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bit 7 6 5 4 3 2 1 0
CIPLEN[7:0]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bits 31:0 – CIPLEN[31:0] Cipher Length
This register contains the length in bytes of the Cipher text that is to be processed. This is programmed
by the user in GCM mode for Tag generation.
SAM D5x/E5x Family Data Sheet
AES – Advanced Encryption Standard
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 1441