BC840/M/E, Compact BLE 5, Thread, Zigbee Modules

Ver 1.00, April 2019

The following cryptographic features are provided.

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FIPS-140-2 certified True Random Number Generator (TRNG)

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RSA asymmetric encryption

Up to 2048 bit key size

PKCS#1 v2.1/v1.5

Optional CRT support

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Elliptic curve cryptography (ECC)

NIST FIPS 186-4 recommended curves using pseudo-random parameters, up to 521 bits:

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Prime field: P-192, P-224, P-256, P-384, P-521

SEC 2 recommended curves using pseudo-random parameters, up to 521 bits:

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Prime field: P-160, P-192, P-224, P-256, P-384, P-521

Koblitz curves using fixed parameters, up to 256 bits:

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Prime field: P-160, P-192, P-224, P-256

Edwards/Montgomery curves:

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Ed25519, Curve 25519

ECDH/ECDSA support

• Secure remote password protocol (SRP)

Up to 3072 bit operations

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Hashing functions

SHA-1, SHA-2 up to 256 bit size

keyed-hash message authentication code (HMAC)

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AES symmetric encryption

General purpose AES engine (encrypt/decrypt, sign/verify)

128 bit key size

Supported encryption modes: ECB, CBC, CMAC/CBC-MAC, CTR, CCM/CCM*.

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ChaCha20/Poly1305 symmetric encryption

Supported keyed size: 128 and 256 bits

Authenticated encryption with associated data (AEAD) mode

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