
Message Digest Hardware Accelerator (MDHA)
33-12
Freescale Semiconductor
digest registers always return all zeros when an error is generated. This register is cleared when the
MDHA is reset or re-initialized. The reset values for the registers are the algorithms defined chaining
variable values.
33.2.9
MDHA Message Data Size Register (MDMDS)
The MDMDS is a 32-bit register that, when read, stores the size of the current hash operation. This register
is also used to write in the data size from a resumed hash operation. This data size is added to the MDDSR
to complete the auto pad step.
33.2.10 MDHA Message Digest Registers 1 (MDx1)
The MDHA message digest registers 1 consist of five 32-bit digest registers (MDA1, MDB1, MDC1,
MDD1, and MDE1). These registers store the OPAD resulted digest to be used for the second hash
operation in the HMAC or EHMAC mode. This digest is written directly to the message digest registers 0
after the first hash has been completed. The registers are write-only and any attempts to read from them
always returns the value zero.
Address: 0xEC08_0030 (MDA0)
0xEC08_0034 (MDB0)
0xEC08_0038 (MDC0)
0xEC08_003C (MDD0)
0xEC08_0040 (MDE0)
Reset: 0x0123_4567
Reset: 0x89AB_CDEF
Reset: 0xFEDC_BA98
Reset: 0x7654_3210
Reset: 0xF0E1_D2C3
Access: User read/write
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
R
MDA0, MDB0, MDC0, MDD0, MDE0
W
Reset
See Address Row
Figure 33-10. MDHA Message Digest Registers 0 (MDx0)
Address: 0xEC08_0044 (MDMDS)
Access: User read/write
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
R
Message Data Size
W
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Figure 33-11. MDHA Message Data Size Register (MDMDS)
Address: 0xEC08_0070 (MDA1)
0xEC08_0074 (MDB1)
0xEC08_0078 (MDC1)
0xEC08_007C (MDD1)
0xEC08_0080 (MDE1)
Access: User write-only
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
R 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
W
MDA1, MDB1, MDC1, MDD1, MDE1
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Figure 33-12. MDHA Message Digest Registers 1 (MDx1)
MCF5329 Reference Manual, Rev 3
Summary of Contents for MCF5329
Page 106: ...ColdFire Core 3 32 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 148: ...Cache 5 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 154: ...Static RAM SRAM 6 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 184: ...Power Management 8 18 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 204: ...Reset Controller Module 10 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 220: ...System Control Module SCM 11 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 228: ...Crossbar Switch XBS 12 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 268: ...General Purpose I O Module 13 40 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 392: ...SDRAM Controller SDRAMC 18 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 436: ...Fast Ethernet Controller FEC 19 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 594: ...FlexCAN 23 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 678: ...Pulse Width Modulation PWM Module 26 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 684: ...Watchdog Timer Module 27 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 704: ...DMA Timers DTIM0 DTIM3 29 12 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 754: ...UART Modules 31 34 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 770: ...I2 C Interface 32 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 866: ...Debug Module 36 50 Freescale Semiconductor MCF5329 Reference Manual Rev 3...