PSA_ALG_IS_HKDF macro

Whether the specified algorithm is an HKDF algorithm. HKDF is a family of key derivation algorithms that are based on a hash function and the HMAC construction.

Syntax

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Declaration

from crypto_values.h:1833

#define PSA_ALG_IS_HKDF(alg) \ (((alg) & ~PSA_ALG_HASH_MASK) == PSA_ALG_HKDF_BASE)

Arguments

Argument

Description

alg

An algorithm identifier (value of type #psa_algorithm_t).

Return value

1 if \c alg is an HKDF algorithm, 0 otherwise. This macro may return either 0 or 1 if \c alg is not a supported key derivation algorithm identifier.

References

Code

Location

#define PSA_ALG_IS_HKDF(alg) \

crypto_values.h:1833

PSA_ALG_IS_HKDF macro

Syntax

Arguments

Return value

Examples

References

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