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Merge pull request #4145 from stevew817/fix_return_code

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Return NOT_SUPPORTED according to the API contract for psa_key_derivation_setup
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Gilles Peskine 2021-03-01 13:20:50 +01:00 committed by GitHub
commit 34045c1d6a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 3 deletions
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12
library/psa_crypto.c
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@ -5169,7 +5169,7 @@ psa_status_t psa_key_derivation_output_key( const psa_key_attributes_t *attribut
/* Key derivation */
/****************************************************************/
#ifdef AT_LEAST_ONE_BUILTIN_KDF
#if defined(AT_LEAST_ONE_BUILTIN_KDF)
static psa_status_t psa_key_derivation_setup_kdf(
psa_key_derivation_operation_t *operation,
psa_algorithm_t kdf_alg )
@ -5228,17 +5228,23 @@ psa_status_t psa_key_derivation_setup( psa_key_derivation_operation_t *operation
if( PSA_ALG_IS_RAW_KEY_AGREEMENT( alg ) )
return( PSA_ERROR_INVALID_ARGUMENT );
#ifdef AT_LEAST_ONE_BUILTIN_KDF
else if( PSA_ALG_IS_KEY_AGREEMENT( alg ) )
{
#if defined(AT_LEAST_ONE_BUILTIN_KDF)
psa_algorithm_t kdf_alg = PSA_ALG_KEY_AGREEMENT_GET_KDF( alg );
status = psa_key_derivation_setup_kdf( operation, kdf_alg );
#else
return( PSA_ERROR_NOT_SUPPORTED );
#endif /* AT_LEAST_ONE_BUILTIN_KDF */
}
else if( PSA_ALG_IS_KEY_DERIVATION( alg ) )
{
#if defined(AT_LEAST_ONE_BUILTIN_KDF)
status = psa_key_derivation_setup_kdf( operation, alg );
#else
return( PSA_ERROR_NOT_SUPPORTED );
#endif /* AT_LEAST_ONE_BUILTIN_KDF */
}
#endif
else
return( PSA_ERROR_INVALID_ARGUMENT );