37.8.11 Hash Key n (GCM mode only)

Name:	HASHKEYn
Offset:	0x5C + n*0x04 [n=0..3]
Reset:	0x00000000
Property:	PAC Write-protection


Bit	31	30	29	28	27	26	25	24
	HASHKEY[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
	HASHKEY[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
	HASHKEY[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
	HASHKEY[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 – HASHKEY[31:0] Hash Key Value

The four 32-bit HASHKEYx registers contain the 128-bit Hash Key value computed from the AES KEY. The Hash Key value can also be programmed offering single GF128 multiplication possibilities.