71
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Changes
m
tables
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(:tableend:)+(:table border=1 cellspacing=0 cellpadding=3 bgcolor=#F0F0F0 :)+(:cellnr bgcolor=#E0E0E0 :)'''BIT'''+(:cell bgcolor=#E0E0E0 :)'''DESCRIPTION'''+(:cellnr:)4-0+(:cell:)Write fifo count+(:cellnr:)9-5+(:cell:)Read fifo count+(:cellnr:)10+(:cell:)Flush write fifo+(:cellnr:)11+(:cell:)Flush read fifo+(:cellnr:)15-12+(:cell:)?+(:cellnr:)18-16+(:cell:)MAC size (size in bytes = s*2+2, e.g, 7 == 16 bytes)+(:cellnr:)19+(:cell:)?+(:cellnr:)20+(:cell:)MAC input control (0 = read MAC from FIFO, 1 = read MAC from REG_AESMAC)+(:cellnr:)21+(:cell:)MAC status (0 = invalid, 1 = verified)+(:cellnr:)23-22+(:cell:)?+(:cellnr:)24+(:cell:)Key select+(:cellnr:)25+(:cell:)Key schedule busy+(:cellnr:)27-26+(:cell:)Key slot (0..3)+(:cellnr:)29-28+(:cell:)Mode (0=AES CCM decrypt, 1=AES CCM encrypt, 2=AES CTR)+(:cellnr:)30+(:cell:)Interrupt enable+(:cellnr:)31+(:cell:)Enable+(:tableend:)+(:table border=1 cellspacing=0 cellpadding=3 bgcolor=#F0F0F0 :)+(:cellnr bgcolor=#E0E0E0 :)'''BIT'''+(:cell bgcolor=#E0E0E0 :)'''DESCRIPTION'''+(:cellnr:)15-0+(:cell:)CBC-MAC associated data blocks to process (1 block = 4 words)+(:cellnr:)31-16+(:cell:)CTR or payload data blocks to process (1 block = 4 words)+(:tableend:)+(:table border=1 cellspacing=0 cellpadding=3 bgcolor=#F0F0F0 :)+(:cellnr bgcolor=#E0E0E0 :)'''BYTE'''+(:cell bgcolor=#E0E0E0 :)'''DESCRIPTION'''+(:cellnr:)0-15+(:cell:)Key data+(:cellnr:)16-31+(:cell:)Special key data X+(:cellnr:)32-47+(:cell:)Special key data Y+(:tableend:)+
== Registers ==
== Registers ==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
−! NAME
! NAME
! ADDRESS
! ADDRESS
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−|}
== REG_AESCNT ==
== REG_AESCNT ==
−{| class="wikitable" border="1"
−! BIT
−! DESCRIPTION
−|-
−| 4-0
−| Write fifo count
−|-
−| 9-5
−| Read fifo count
−|-
−| 10
−| Flush write fifo
−|-
−| 11
−| Flush read fifo
−|-
−| 15-12
−| ?
−|-
−| 18-16
−| MAC size (size in bytes = s*2+2, e.g, 7 == 16 bytes)
−|-
−| 19
−| ?
−|-
−| 20
−| MAC input control (0 = read MAC from FIFO, 1 = read MAC from REG_AESMAC)
−|-
−| 21
−| MAC status (0 = invalid, 1 = verified)
−|-
−| 23-22
−| ?
−|-
−| 24
−| Key select
+|-
+| 25
+| Key schedule busy
+|-
+| 27-26
+| Key slot (0..3)
+|-
+| 29-28
+| Mode (0=AES CCM decrypt, 1=AES CCM encrypt, 2=AES CTR)
+|-
+| 30
+| Interrupt enable
+|-
+| 31
+| Enable
+|}
== REG_AESBLKCNT ==
== REG_AESBLKCNT ==
−{| class="wikitable" border="1"
−! BIT
−! DESCRIPTION
−|-
−| 15-0
−| CBC-MAC associated data blocks to process (1 block = 4 words)
−|-
−| 31-16
+| CTR or payload data blocks to process (1 block = 4 words)
+|}
== REG_AESKEY0/1/2/3 ==
== REG_AESKEY0/1/2/3 ==
−{| class="wikitable" border="1"
−! BYTE
−! DESCRIPTION
−|-
−| 0-15
−| Key data
−|-
−| 16-31
−| Special key data X
−|-
+| 32-47
+| Special key data Y
+|}