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Add new psa_key_agreement() to key exercises

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Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2024-09-19 15:49:32 +01:00
parent c54fcc765e
commit 2c9d398553
2 changed files with 19 additions and 1 deletions
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2
tests/include/test/psa_exercise_key.h
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@ -138,7 +138,7 @@ int mbedtls_test_psa_setup_key_derivation_wrap(
size_t capacity, int key_destroyable);
/** Perform a key agreement using the given key pair against its public key
* using psa_raw_key_agreement().
* using psa_raw_key_agreement() and psa_key_agreement().
*
* The result is discarded. The purpose of this function is to smoke-test a key.
*

18
tests/src/psa_exercise_key.c
View File

@ -695,6 +695,9 @@ psa_status_t mbedtls_test_psa_raw_key_agreement_with_self(
size_t output_length;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
mbedtls_svc_key_id_t shared_secret_id = MBEDTLS_SVC_KEY_ID_INIT;
psa_key_attributes_t shared_secret_attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_status_t status = psa_get_key_attributes(key, &attributes);
if (key_destroyable && status == PSA_ERROR_INVALID_HANDLE) {
/* The key has been destroyed. */
@ -734,6 +737,17 @@ psa_status_t mbedtls_test_psa_raw_key_agreement_with_self(
PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE);
}
psa_set_key_type(&shared_secret_attributes, PSA_KEY_TYPE_DERIVE);
psa_set_key_usage_flags(&shared_secret_attributes, PSA_KEY_USAGE_DERIVE | PSA_KEY_USAGE_EXPORT);
status = psa_key_agreement(key, public_key, public_key_length, alg,
&shared_secret_attributes, &shared_secret_id);
if (key_destroyable && status == PSA_ERROR_INVALID_HANDLE) {
/* The key has been destroyed. */
status = PSA_SUCCESS;
}
exit:
/*
* Key attributes may have been returned by psa_get_key_attributes()
@ -741,6 +755,10 @@ exit:
*/
psa_reset_key_attributes(&attributes);
/* Make sure to reset and free derived key attributes and slot. */
psa_reset_key_attributes(&shared_secret_attributes);
psa_destroy_key(shared_secret_id);
mbedtls_free(public_key);
return status;
}