btstack_crypto_ecc_p256_calculate_dhkey() function

Calculate Diffie-Hellman Key based on local private key and remote public key

Syntax

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Summary

Declaration

Definition

from btstack_crypto.h:217

void btstack_crypto_ecc_p256_calculate_dhkey(btstack_crypto_ecc_p256_t * request, const uint8_t * public_key, uint8_t * dhkey, void (* callback)(void * arg), void * callback_arg);

Implemented in btstack_crypto.c:1257

Arguments

Argument

Description

request

public_key

(64 bytes)

dhkey

(32 bytes)

callback

callback_arg

Notes

Bluetooth Core v5.1+ requires the Controller to return an error if the public key is invalid In this case, dhkey will be set to 0xff..ff

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References

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btstack_crypto_ecc_p256_calculate_dhkey() function

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btstack_crypto_ecc_p256_calculate_dhkey() function

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