NXP Semiconductors

MF4SAM3x

MIFARE SAM AV3 secure access module

2 Features and benefits

2.1 Cryptography

• Supports MIFARE Crypto1, DES, TDEA (112 and 168 bits), AES (128, 192 and 256 bits), RSA (up to 2048

bits) and ECC (up to 256 bits) cryptography

• Supported NXP’s products:

– MIFARE DESFire, MIFARE DESFire EV1, MIFARE DESFire EV2

– MIFARE Plus, MIFARE Plus EV1

– MIFARE Classic, MIFARE Classic EV1

– MIFARE Ultralight EV1, MIFARE Ultralight C

– MIFARE DESFire Light

– NTAG DNA

– ICODE DNA

– UCODE DNA

• Secure storage and updating of keys

– 128 key entries for symmetric cryptography

– 3 RSA key entries for asymmetric cryptography

– 8 ECC public key entries for signature verification

– 4 ECC curves entries

– 48 EMV CA public key entries (supports 8 RID minimum)

• SHA-1, SHA-224 and SHA-256 hashing computation

• TDEA and AES-based key diversification

• Generic cryptography commands for user-defined schemes

• Supports EMVCo terminal functionality

• True random number generator (TRNG) compliant to AIS-31

2.2 Communication

• ISO/IEC 7816 (part 2 and 3) contact interface

– Support Class A, B and C operating condition

– Support ISO/IEC 7816 baud rates

– Support high-speed baud rates up to 1.5 Mbit/s

• Optional I2C slave mode host interface (only available on HVQFN package)

• Communication protocol compliant with ISO/IEC 7816-3 T=1 protocol

• Up to four logical channels; simultaneous multiple card support

• Support for MIFARE DESFire and MIFARE Plus authentication (with related secure messaging and session

key generation)

• Secure Host to SAM and back end to SAM communication with symmetric cryptography including 3-pass

authentication for confidentiality and integrity

• Secure Host to SAM and back end to SAM communication with RSA-based cryptography for key updating

• X-mode direct interface with NXP’s contactless reader ICs (RC663, RC52x, PN512)

MF4SAM3X_SDS

All information provided in this document is subject to legal disclaimers.

© 2023 NXP B.V. All rights reserved.

Product short data sheet

Rev. 3.1 — 1 July 2023

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