diff --git a/library/psa_crypto.c b/library/psa_crypto.c index 706e0a7b8..b08235c74 100644 --- a/library/psa_crypto.c +++ b/library/psa_crypto.c @@ -5320,11 +5320,9 @@ void mbedtls_psa_crypto_free( void ) * In particular, this sets all state indicator to the value * indicating "uninitialized". */ mbedtls_platform_zeroize( &global_data, sizeof( global_data ) ); -#if defined(MBEDTLS_PSA_CRYPTO_SE_C) - /* Unregister all secure element drivers, so that we restart from - * a pristine state. */ - psa_unregister_all_se_drivers( ); -#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ + + /* Terminate drivers */ + psa_driver_wrapper_free( ); } #if defined(PSA_CRYPTO_STORAGE_HAS_TRANSACTIONS) @@ -5373,11 +5371,10 @@ psa_status_t psa_crypto_init( void ) if( status != PSA_SUCCESS ) goto exit; -#if defined(MBEDTLS_PSA_CRYPTO_SE_C) - status = psa_init_all_se_drivers( ); + /* Init drivers */ + status = psa_driver_wrapper_init( ); if( status != PSA_SUCCESS ) goto exit; -#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ #if defined(PSA_CRYPTO_STORAGE_HAS_TRANSACTIONS) status = psa_crypto_load_transaction( ); diff --git a/library/psa_crypto_driver_wrappers.c b/library/psa_crypto_driver_wrappers.c index 7ba245007..cc826df1e 100644 --- a/library/psa_crypto_driver_wrappers.c +++ b/library/psa_crypto_driver_wrappers.c @@ -66,6 +66,44 @@ #include "psa_crypto_se.h" #endif +psa_status_t psa_driver_wrapper_init( void ) +{ + psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED; + +#if defined(MBEDTLS_PSA_CRYPTO_SE_C) + status = psa_init_all_se_drivers( ); + if( status != PSA_SUCCESS ) + return( status ); +#endif + +#if defined(PSA_CRYPTO_DRIVER_TEST) + status = mbedtls_test_transparent_init( ); + if( status != PSA_SUCCESS ) + return( status ); + + status = mbedtls_test_opaque_init( ); + if( status != PSA_SUCCESS ) + return( status ); +#endif + + (void) status; + return( PSA_SUCCESS ); +} + +void psa_driver_wrapper_free( void ) +{ +#if defined(MBEDTLS_PSA_CRYPTO_SE_C) + /* Unregister all secure element drivers, so that we restart from + * a pristine state. */ + psa_unregister_all_se_drivers( ); +#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ + +#if defined(PSA_CRYPTO_DRIVER_TEST) + mbedtls_test_transparent_free( ); + mbedtls_test_opaque_free( ); +#endif +} + /* Start delegation functions */ psa_status_t psa_driver_wrapper_sign_message( const psa_key_attributes_t *attributes, diff --git a/library/psa_crypto_driver_wrappers.h b/library/psa_crypto_driver_wrappers.h index 38a6ee82a..3ba96d9a5 100644 --- a/library/psa_crypto_driver_wrappers.h +++ b/library/psa_crypto_driver_wrappers.h @@ -25,6 +25,12 @@ #include "psa/crypto.h" #include "psa/crypto_driver_common.h" +/* + * Initialization and termination functions + */ +psa_status_t psa_driver_wrapper_init( void ); +void psa_driver_wrapper_free( void ); + /* * Signature functions */ diff --git a/tests/include/test/drivers/key_management.h b/tests/include/test/drivers/key_management.h index 45814fd03..bb08bf6b8 100644 --- a/tests/include/test/drivers/key_management.h +++ b/tests/include/test/drivers/key_management.h @@ -56,6 +56,11 @@ static inline mbedtls_test_driver_key_management_hooks_t extern mbedtls_test_driver_key_management_hooks_t mbedtls_test_driver_key_management_hooks; +psa_status_t mbedtls_test_transparent_init( void ); +void mbedtls_test_transparent_free( void ); +psa_status_t mbedtls_test_opaque_init( void ); +void mbedtls_test_opaque_free( void ); + psa_status_t mbedtls_test_transparent_generate_key( const psa_key_attributes_t *attributes, uint8_t *key, size_t key_size, size_t *key_length ); diff --git a/tests/src/drivers/test_driver_key_management.c b/tests/src/drivers/test_driver_key_management.c index 73720e9d7..3d8828549 100644 --- a/tests/src/drivers/test_driver_key_management.c +++ b/tests/src/drivers/test_driver_key_management.c @@ -60,6 +60,26 @@ const uint8_t mbedtls_test_driver_ecdsa_pubkey[65] = 0xbc, 0x25, 0x16, 0xc3, 0xd2, 0x70, 0x2d, 0x79, 0x2f, 0x13, 0x1a, 0x92, 0x20, 0x95, 0xfd, 0x6c }; +psa_status_t mbedtls_test_transparent_init( void ) +{ + return( PSA_SUCCESS ); +} + +void mbedtls_test_transparent_free( void ) +{ + return; +} + +psa_status_t mbedtls_test_opaque_init( void ) +{ + return( PSA_SUCCESS ); +} + +void mbedtls_test_opaque_free( void ) +{ + return; +} + psa_status_t mbedtls_test_transparent_generate_key( const psa_key_attributes_t *attributes, uint8_t *key, size_t key_size, size_t *key_length )