ST16CF54 查看數據表（PDF） - STMicroelectronics

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ST16CF54

Smartcard MCU With 4 KBytes EEPROM & 512 Bits Modular Arithmetic Processor

STMicroelectronics 

ST16CF54 Level B

SOFTWARE SUPPORT

CRYPTO LIBRARY

For an easy and efficient use of the Modular Arith-

metic Processor (MAP), ST proposes a complete

set of firmware subroutines. This library is located

in the System ROM area, leaving 16 KBytes in the

User ROM for the application software.

This library saves the operating system designer

from coding first layer functions and allows the de-

signer to concentrate on algorithms and Public

Key Cryptographic (PKC) protocol implementa-

tion.

This library contains firmware functions for:

– loading and unloading parameters and results to

or from the MAP

– calculating Montgomery constants for appropri-

ate mathematical implementation of modular cal-

culations

– basic mathematics for modular and non modular

operations on any length operand up to 1024 bits

– modular experimentation on operands of any

length up to 1024 bits

– more elaborate functions such as RSA based

operations, digital signatures and hashing algo-

rithms

– long random number generation

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