5802-DS02-R datasheet(35/50 Pages) BOARDCOM

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Production Specification

■ BCM5802

07/03/02

B roa dcom Co rpo rat ion

Document

5802-DS03-405-R

Memory Structures

Page 27

Table 14:

DSA Verification Command Context

Table 15:

RNG Direct Test Command Context

Table 16:

RNG-SHA1 Test Command Context

MSB

LSB

30 29 28 27 26 25 24 23

22 21 20 19 18

17 16 15 14 13

12 11 10 9876

54321

Operation Type

DSA verification operation (0x06)

Total Command Context Structure Length

Reserved

Message Hash provided/generated

Modulus p Length

Reserved

Modulus q (160 bits, lowest word)

Modulus q (160 bits, 2nd lowest word)

……

Modulus q (160 bits, highest word)

Modulus p (512, 768, or 1024 bits, lowest word)

Modulus p (512, 768, or 1024 bits, 2nd lowest word)

……

Modulus p (512, 768, or 1024 bits, highest word)

Base g (lowest word of key)

Base g (2nd lowest word of key)

……

Base g (highest word of key)

Public key y (512, 768, 1024 bits, lowest word)

Public key y (512, 768, 1024 bits, 2nd lowest word)

……

Public key y (512, 768, 1024 bits, highest word)

MSB

LSB

30 29

28 27

25 24 23

22 21

19 18

17 16

15 14

12 11

10 9

Operation Type

RNG Direct Test Operation (0x41)

Total Command Context Structure Length

(minimum length is 64 bytes)

MSB

LSB

31 30 29 28 27 26 25 24 23

22 21 20 19 18 17 16 15 14 13 12 11 10 9

Operation Type

RNG-SHA1 Test Operation (0x42)

Total Command Context Structure Length

(minimum length is 64 bytes)

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