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Factor usage_to_exercise into its own function

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This commit is contained in:
Gilles Peskine 2018-10-25 22:35:43 +02:00
parent fc411f1ac1
commit 10df341436
1 changed files with 28 additions and 13 deletions
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41
tests/suites/test_suite_psa_crypto.function
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@ -802,6 +802,33 @@ static int exercise_key( psa_key_slot_t slot,
return( ok );
}
static psa_key_usage_t usage_to_exercise( psa_key_type_t type,
psa_algorithm_t alg )
{
if( PSA_ALG_IS_MAC( alg ) || PSA_ALG_IS_SIGN( alg ) )
{
return( PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) ?
PSA_KEY_USAGE_VERIFY :
PSA_KEY_USAGE_SIGN | PSA_KEY_USAGE_VERIFY );
}
else if( PSA_ALG_IS_CIPHER( alg ) || PSA_ALG_IS_AEAD( alg ) ||
PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) )
{
return( PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) ?
PSA_KEY_USAGE_ENCRYPT :
PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
}
else if( PSA_ALG_IS_KEY_DERIVATION( alg ) ||
PSA_ALG_IS_KEY_AGREEMENT( alg ) )
{
return( PSA_KEY_USAGE_DERIVE );
}
else
{
return( 0 );
}
}
/* END_HEADER */
/* BEGIN_DEPENDENCIES
@ -1309,19 +1336,7 @@ void import_and_exercise_key( data_t *data,
psa_key_type_t type = type_arg;
size_t bits = bits_arg;
psa_algorithm_t alg = alg_arg;
psa_key_usage_t usage =
( PSA_ALG_IS_MAC( alg ) || PSA_ALG_IS_SIGN( alg ) ?
( PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) ?
PSA_KEY_USAGE_VERIFY :
PSA_KEY_USAGE_SIGN | PSA_KEY_USAGE_VERIFY ) :
PSA_ALG_IS_CIPHER( alg ) || PSA_ALG_IS_AEAD( alg ) ||
PSA_ALG_IS_ASYMMETRIC_ENCRYPTION( alg ) ?
( PSA_KEY_TYPE_IS_PUBLIC_KEY( type ) ?
PSA_KEY_USAGE_ENCRYPT :
PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT ) :
PSA_ALG_IS_KEY_DERIVATION( alg ) ? PSA_KEY_USAGE_DERIVE :
PSA_ALG_IS_KEY_AGREEMENT( alg ) ? PSA_KEY_USAGE_DERIVE :
0 );
psa_key_usage_t usage = usage_to_exercise( type, alg );
psa_key_policy_t policy;
psa_key_type_t got_type;
size_t got_bits;