Datasheet > DSSHA1

DSSHA1

更新时间： 2024-02-14 01:08:21

品牌	Logo	应用领域
美信 - MAXIM		存储
页数	文件大小	规格书
9页	244K
描述
Memory-Mapped SHA-1 Coprocessor Five 32-Bit Registers to Read MAC Result

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DSSHA1 数据手册

19-5870; Rev 0; 5/11

Memory-Mapped SHA-1 Coprocessor

DSHA1

General Description

Features

The DSSHA1 coprocessor with 64-byte RAM is a syn-

thesizable register transfer level (RTL) implementation of

the FIPS 180-3 Secure Hash Algorithm (SHA-1), elimi-

nating the need to develop software to perform the com-

plex SHA-1 computation required for authenticating

SHA-1 devices. The DSSHA1 can compute SHA-1 mes-

sage authentication codes (MACs) for use with Maxim

SHA-1 devices, such as the DS1963S, DS1961S,

DS28E10, DS28E02, DS2460, DS28CN01, and

DS28E01-100. The device can output the 20-byte MAC

result from registers required for comparison against

SHA-1 slave devices. When incorporated into a design,

DSSHA1 also provides an offloading function, relieving a

microcontroller of performing the SHA-1 computation.

♦ SHA-1 Computations Within 670 Clock Cycles

(13.4µs at a Typical Frequency of 50MHz)

♦ Area Estimate is 102,256µm in TSMC CL018G

(0.18µm Generic Process)

♦ Dedicated Hardware-Accelerated SHA-1 Engine

for Generating MACs

♦ 64-Byte RAM for Message Input

♦ Five 32-Bit Registers to Read MAC Result

♦ Available in Synthesizable Verilog

♦ Made as a Low-Level Module to be Instantiated by

a Top-Level Module

Applications

♦ Includes Test Bench

Printer Cartridge Authentication

Clone Prevention of Systems and PCB Designs

License Management

Secure Feature Control of Systems

Network Appliance Authentication

Typical Operating Circuit

ASIC—TOP-LEVEL MODULE

MICROPROCESSOR

3.3V

DSSHA1

MODULE

DESIGN

MODULE

DS1WM

MODULE

DS28E01-100

Verilog is a registered trademark of Gateway Design Automation Corp.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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