ST22T064-A datasheet(2/7 Pages) STMICROELECTRONICS

tên linh kiện	ST22T064-A

Giải thích chi tiết về linh kiện	Smartcard 32-Bit RISC MCU with 64 Kbytes EEPROM & USB 2.0 Full Speed Device Controller

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ST22T064-A

2/7

CRYPTOGRAPHIC LIBRARY

The Crypto Library is provided as a separate ROM

area with an access through a unique entry point.

This library provides optimized -for the SmartJ

core- and secured implementation of the following

features:

I

ASYMMETRICAL ALGORITHMS

–

RSA signature/verification

–

Prime number generation (up to 1024-bit)

–

RSA key computation (up to 2048-bit)

I

HASH FUNCTION

–

SHA-1

I

SYMMETRICAL ALGORITHMS

–

DES, Triple DES, AES

CRYPTOGRAPHY PERFORMANCE

The following table provides the cryptographic

performances of the ST22T064-A based on ST

Crypto Library.

Table 1. Preliminary Cryptographic

Performances

MEMORY

I

HIGHLY RELIABLE CMOS EEPROM

TECHNOLOGY

–

Error Correction Code for single bit fail

within a 32-bit word

–

10 years data retention, 500,000 Erase/

Write cycles endurance

–

1 to 128 bytes Erase or Program in 2 ms

typical

I

HIGH PERFORMANCE MEMORY

–

Dual memory buses for data and

instruction

–

Byte, Short (2) and Word (4) load and

store

–

Address auto-increment

OTHER FEATURES

I

HARDWARE ASYNCHRONOUS SERIAL

INTERFACE (ASI)

–

1M baud rate capability

–

2 serial I/O ports compatible ISO 7816-3

T=0 and T=1

I

2 USER CONFIGURABLE 12-BIT AND 16-

BIT TIMERS WITH INTERRUPT

I

CENTRAL INTERRUPT CONTROLLER

WITH UP TO 16 INPUT LINES

I

EXTERNAL CLOCK FROM 1 MHz TO 10

MHz (ISO 7816-3 MODE)

I

1.62 V TO 5.5 V SUPPLY VOLTAGE (ISO

7816-3 MODE)

I

4V TO 5.5V IN THE USB MODE

I

TEMPERATURE RANGE -25° C to +85° C

I

POWER SAVING STANDBY MODE,

SUSPEND (USB)

I

ESD PROTECTION GREATER THAN 5000 V

I

UNIQUE IDENTIFICATION PER DIE

I

TYPICAL INTERNAL FREQUENCY UP TO

33 MHz

I

SOFTWARE CONTROLLED CLOCK

MANAGEMENT

Algorithm

Function

Time(1)

1. Internal clock at 33 MHz

RSA

1024 bits

Signature with CRT

79.0 ms

Signature without CRT(2)

2. CRT: Chinese Reminder Theorem

242.0 ms

Verification (e=0x10001)

3.6 ms

RSA

2048 bits

Signature with CRT

485.0 ms

Signature without CRT

1.7 s

Verification (e=0x10001)

11.0 ms

DES

Triple

18 µs

Single

8 µs

TDES(3)

3. TDES with encryption coprocessor

Triple (with keys loaded)

1.8 us

SHA-1

512-bit Block

194 µs

AES-128

Encryption including subkey

computation

85 µs

Số phần tương tự - ST22T064-A

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