AX58200 datasheet(92/180 Pages) ASIX

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AX58200

EtherCAT Slave Controller SoC

Cryptographic Accelerator (CRYPTO)

2.37.1 Overview

The Crypto (Cryptographic Accelerator) includes a secure pseudo random number generator (PRNG) core and

supports AES, DES/TDES, SHA and HMAC algorithms.

The PRNG core supports 64 bits, 128 bits, 192 bits, and 256 bits random number generation.

The AES accelerator is an implementation fully compliant with the AES (Advance Encryption Standard)

encryption and decryption algorithm. The AES accelerator supports ECB, CBC, CFB, OFB, CTR, CBC-CS1,

CBC-CS2, and CBC-CS3 mode.

The DES/TDES accelerator is an implementation fully compliant with the DES and Triple DES

encryption/decryption algorithm. The DES/TDES accelerator supports ECB, CBC, CFB, OFB, and CTR mode.

The SHA accelerator is an implementation fully compliant with the SHA-160, SHA-224, SHA-256, SHA- 384,

and SHA-512 and corresponding HMAC algorithms.

The ECC accelerator is an implementation fully compliant with elliptic curve cryptography by using polynomial

basis in binary field and prime filed.

2.37.2 Features

⚫

PRNG

–

Supports 64 bits, 128 bits, 192 bits, and 256 bits random number generation

⚫

AES

–

Supports FIPS NIST 197

–

Supports SP800-38A and addendum

–

Supports 128, 192, and 256 bits key

–

Supports both encryption and decryption

–

Supports ECB, CBC, CFB, OFB, CTR, CBC-CS1, CBC-CS2, and CBC-CS3 mode

–

Supports key expander

⚫

DES

–

Supports FIPS 46-3

–

Supports both encryption and decryption

–

Supports ECB, CBC, CFB, OFB, and CTR mode

⚫

TDES

–

Supports FIPS NIST 800-67

–

Implemented according to the X9.52 standard

–

Supports two keys or three keys mode

–

Supports both encryption and decryption

–

Supports ECB, CBC, CFB, OFB, and CTR mode

⚫

SHA

–

Supports FIPS NIST 180, 180-2

–

Supports SHA-160, SHA-224, SHA-256, SHA-384, and SHA-512

⚫

HMAC

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