PSA_ALG_IS_KEY_DERIVATION_STRETCHING macro

Whether the specified algorithm is a key stretching / password hashing algorithm. A key stretching / password hashing algorithm is a key derivation algorithm that is suitable for use with a low-entropy secret such as a password. Equivalently, it's a key derivation algorithm that uses a #PSA_KEY_DERIVATION_INPUT_PASSWORD input step.

Syntax

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Declaration

from crypto_values.h:905

#define PSA_ALG_IS_KEY_DERIVATION_STRETCHING(alg) \ (PSA_ALG_IS_KEY_DERIVATION(alg) && \ (alg) & PSA_ALG_KEY_DERIVATION_STRETCHING_FLAG)

Arguments

Argument

Description

alg

An algorithm identifier (value of type #psa_algorithm_t).

Return value

1 if \p alg is a key stretching / password hashing algorithm, 0 otherwise. This macro may return either 0 or 1 if \p alg is not a supported algorithm identifier.

References

Code

Location

#define PSA_ALG_IS_KEY_DERIVATION_STRETCHING(alg) \

crypto_values.h:905

PSA_ALG_IS_KEY_DERIVATION_STRETCHING macro

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