Difference between revisions of "SHA Registers"
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| − | | | + | | ? changes the output hash completely |
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Revision as of 19:04, 7 September 2014
Registers
| NAME | PHYSICAL ADDRESS | WIDTH |
|---|---|---|
| REG_SHA_CNT | 0x1000A000 | 4 |
| REG_SHA_DATASIZE | 0x1000A004 | 4 |
| REG_SHA_OUT | 0x1000A040 | 0x20 |
| REG_SHA_IN | 0x1000A080 | 0x40 |
REG_SHACNT
| Bits | Description |
|---|---|
| 0-1 | 0=Hash ready, 1=Normal, 2=Final Round |
| 3 | Endianess (0=little endian, 1=big endian) |
| 4 | ? changes the output hash completely |
| 5 | Mode (0=SHA256, 1=SHA1) |
| 16 | Enable |
| 17 | 1 when FIFO expects read/write |
REG_SHA_DATASIZE
This reg contains the total size of the data written to REG_SHA_IN.
REG_SHA_OUT
This reg contains the SHA* hash after the final round.