PSA_ALG_IS_ECDH macro

Whether the specified algorithm is an elliptic curve Diffie-Hellman algorithm. This includes the raw elliptic curve Diffie-Hellman algorithm as well as elliptic curve Diffie-Hellman followed by any supporter key derivation algorithm.

Syntax

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Declaration

from crypto_values.h:2249

#define PSA_ALG_IS_ECDH(alg) \ (PSA_ALG_KEY_AGREEMENT_GET_BASE(alg) == PSA_ALG_ECDH)

Arguments

Argument

Description

alg

An algorithm identifier (value of type #psa_algorithm_t).

Return value

1 if \c alg is an elliptic curve Diffie-Hellman algorithm, 0 otherwise. This macro may return either 0 or 1 if \c alg is not a supported key agreement algorithm identifier.

References

Code

Location

#define PSA_ALG_IS_ECDH(alg) \

crypto_values.h:2249

!PSA_ALG_IS_ECDH(alg)) {

psa_crypto_ecp.c:530

PSA_ALG_IS_ECDH macro

Syntax

Arguments

Return value

Examples

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