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ST22T064-A 데이터시트(PDF) 2 Page - STMicroelectronics |
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ST22T064-A 데이터시트(HTML) 2 Page - STMicroelectronics |
2 / 7 page 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 |
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