Add boilerplate for dispatching MAC operations
Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
diff --git a/library/psa_crypto_driver_wrappers.c b/library/psa_crypto_driver_wrappers.c
index 9bef02c..09f6319 100644
--- a/library/psa_crypto_driver_wrappers.c
+++ b/library/psa_crypto_driver_wrappers.c
@@ -24,6 +24,7 @@
#include "psa_crypto_core.h"
#include "psa_crypto_driver_wrappers.h"
#include "psa_crypto_hash.h"
+#include "psa_crypto_mac.h"
#include "mbedtls/platform.h"
@@ -1290,4 +1291,352 @@
return( PSA_ERROR_INVALID_ARGUMENT );
}
}
+
+
+/*
+ * MAC functions
+ */
+psa_status_t psa_driver_wrapper_mac_compute(
+ const psa_key_attributes_t *attributes,
+ const uint8_t *key_buffer,
+ size_t key_buffer_size,
+ psa_algorithm_t alg,
+ const uint8_t *input,
+ size_t input_length,
+ uint8_t *mac,
+ size_t mac_size,
+ size_t *mac_length )
+{
+ psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
+ psa_key_location_t location =
+ PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
+
+ switch( location )
+ {
+ case PSA_KEY_LOCATION_LOCAL_STORAGE:
+ /* Key is stored in the slot in export representation, so
+ * cycle through all known transparent accelerators */
+#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+ status = mbedtls_transparent_test_driver_mac_compute(
+ attributes, key_buffer, key_buffer_size, alg,
+ input, input_length,
+ mac, mac_size, mac_length );
+ /* Declared with fallback == true */
+ if( status != PSA_ERROR_NOT_SUPPORTED )
+ return( status );
+#endif /* PSA_CRYPTO_DRIVER_TEST */
+#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
+#if defined(MBEDTLS_PSA_BUILTIN_MAC)
+ /* Fell through, meaning no accelerator supports this operation */
+ status = mbedtls_psa_mac_compute(
+ attributes, key_buffer, key_buffer_size, alg,
+ input, input_length,
+ mac, mac_size, mac_length );
+ if( status != PSA_ERROR_NOT_SUPPORTED )
+ return( status );
+#endif /* MBEDTLS_PSA_BUILTIN_MAC */
+ return( PSA_ERROR_NOT_SUPPORTED );
+
+ /* Add cases for opaque driver here */
+#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+ case PSA_CRYPTO_TEST_DRIVER_LOCATION:
+ status = mbedtls_opaque_test_driver_mac_compute(
+ attributes, key_buffer, key_buffer_size, alg,
+ input, input_length,
+ mac, mac_size, mac_length );
+ return( status );
+#endif /* PSA_CRYPTO_DRIVER_TEST */
+#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
+ default:
+ /* Key is declared with a lifetime not known to us */
+ (void) key_buffer;
+ (void) key_buffer_size;
+ (void) alg;
+ (void) input;
+ (void) input_length;
+ (void) mac;
+ (void) mac_size;
+ (void) mac_length;
+ (void) status;
+ return( PSA_ERROR_INVALID_ARGUMENT );
+ }
+}
+
+psa_status_t psa_driver_wrapper_mac_sign_setup(
+ psa_mac_operation_t *operation,
+ const psa_key_attributes_t *attributes,
+ const uint8_t *key_buffer,
+ size_t key_buffer_size,
+ psa_algorithm_t alg )
+{
+ psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
+ psa_key_location_t location =
+ PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
+
+ switch( location )
+ {
+ case PSA_KEY_LOCATION_LOCAL_STORAGE:
+ /* Key is stored in the slot in export representation, so
+ * cycle through all known transparent accelerators */
+#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+ status = mbedtls_transparent_test_driver_mac_sign_setup(
+ &operation->ctx.driver.transparent_test_driver_ctx,
+ attributes,
+ key_buffer, key_buffer_size,
+ alg );
+ /* Declared with fallback == true */
+ if( status == PSA_SUCCESS )
+ operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
+
+ if( status != PSA_ERROR_NOT_SUPPORTED )
+ return( status );
+#endif /* PSA_CRYPTO_DRIVER_TEST */
+#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
+#if defined(MBEDTLS_PSA_BUILTIN_MAC)
+ /* Fell through, meaning no accelerator supports this operation */
+ status = mbedtls_psa_mac_sign_setup( &operation->ctx.driver.mbedtls_ctx,
+ attributes,
+ key_buffer, key_buffer_size,
+ alg );
+ if( status == PSA_SUCCESS )
+ operation->id = PSA_CRYPTO_MBED_TLS_DRIVER_ID;
+
+ if( status != PSA_ERROR_NOT_SUPPORTED )
+ return( status );
+#endif /* MBEDTLS_PSA_BUILTIN_MAC */
+ return( PSA_ERROR_NOT_SUPPORTED );
+
+ /* Add cases for opaque driver here */
+#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+ case PSA_CRYPTO_TEST_DRIVER_LOCATION:
+ status = mbedtls_opaque_test_driver_mac_sign_setup(
+ &operation->ctx.driver.opaque_test_driver_ctx,
+ attributes,
+ key_buffer, key_buffer_size,
+ alg );
+
+ if( status == PSA_SUCCESS )
+ operation->id = PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID;
+
+ return( status );
+#endif /* PSA_CRYPTO_DRIVER_TEST */
+#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
+ default:
+ /* Key is declared with a lifetime not known to us */
+ (void) status;
+ (void) key_buffer;
+ (void) key_buffer_size;
+ (void) alg;
+ return( PSA_ERROR_INVALID_ARGUMENT );
+ }
+}
+
+psa_status_t psa_driver_wrapper_mac_verify_setup(
+ psa_mac_operation_t *operation,
+ const psa_key_attributes_t *attributes,
+ const uint8_t *key_buffer,
+ size_t key_buffer_size,
+ psa_algorithm_t alg )
+{
+ psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
+ psa_key_location_t location =
+ PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
+
+ switch( location )
+ {
+ case PSA_KEY_LOCATION_LOCAL_STORAGE:
+ /* Key is stored in the slot in export representation, so
+ * cycle through all known transparent accelerators */
+#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+ status = mbedtls_transparent_test_driver_mac_verify_setup(
+ &operation->ctx.driver.transparent_test_driver_ctx,
+ attributes,
+ key_buffer, key_buffer_size,
+ alg );
+ /* Declared with fallback == true */
+ if( status == PSA_SUCCESS )
+ operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
+
+ if( status != PSA_ERROR_NOT_SUPPORTED )
+ return( status );
+#endif /* PSA_CRYPTO_DRIVER_TEST */
+#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
+#if defined(MBEDTLS_PSA_BUILTIN_MAC)
+ /* Fell through, meaning no accelerator supports this operation */
+ status = mbedtls_psa_mac_verify_setup( &operation->ctx.driver.mbedtls_ctx,
+ attributes,
+ key_buffer, key_buffer_size,
+ alg );
+ if( status == PSA_SUCCESS )
+ operation->id = PSA_CRYPTO_MBED_TLS_DRIVER_ID;
+
+ if( status != PSA_ERROR_NOT_SUPPORTED )
+ return( status );
+#endif /* MBEDTLS_PSA_BUILTIN_MAC */
+ return( PSA_ERROR_NOT_SUPPORTED );
+
+ /* Add cases for opaque driver here */
+#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+ case PSA_CRYPTO_TEST_DRIVER_LOCATION:
+ status = mbedtls_opaque_test_driver_mac_sign_setup(
+ &operation->ctx.driver.opaque_test_driver_ctx,
+ attributes,
+ key_buffer, key_buffer_size,
+ alg );
+
+ if( status == PSA_SUCCESS )
+ operation->id = PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID;
+
+ return( status );
+#endif /* PSA_CRYPTO_DRIVER_TEST */
+#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
+ default:
+ /* Key is declared with a lifetime not known to us */
+ (void) status;
+ (void) key_buffer;
+ (void) key_buffer_size;
+ (void) alg;
+ return( PSA_ERROR_INVALID_ARGUMENT );
+ }
+}
+
+psa_status_t psa_driver_wrapper_mac_update(
+ psa_mac_operation_t *operation,
+ const uint8_t *input,
+ size_t input_length )
+{
+ switch( operation->id )
+ {
+#if defined(MBEDTLS_PSA_BUILTIN_MAC)
+ case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
+ return( mbedtls_psa_mac_update( &operation->ctx.driver.mbedtls_ctx,
+ input, input_length ) );
+#endif /* MBEDTLS_PSA_BUILTIN_MAC */
+
+#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+ case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
+ return( mbedtls_transparent_test_driver_mac_update(
+ &operation->ctx.driver.transparent_test_driver_ctx,
+ input, input_length ) );
+
+ case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
+ return( mbedtls_opaque_test_driver_mac_update(
+ &operation->ctx.driver.opaque_test_driver_ctx,
+ input, input_length ) );
+#endif /* PSA_CRYPTO_DRIVER_TEST */
+#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
+ default:
+ (void) input;
+ (void) input_length;
+ return( PSA_ERROR_INVALID_ARGUMENT );
+ }
+}
+
+psa_status_t psa_driver_wrapper_mac_sign_finish(
+ psa_mac_operation_t *operation,
+ uint8_t *mac,
+ size_t mac_size,
+ size_t *mac_length )
+{
+ switch( operation->id )
+ {
+#if defined(MBEDTLS_PSA_BUILTIN_MAC)
+ case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
+ return( mbedtls_psa_mac_sign_finish( &operation->ctx.driver.mbedtls_ctx,
+ mac, mac_size, mac_length ) );
+#endif /* MBEDTLS_PSA_BUILTIN_MAC */
+
+#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+ case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
+ return( mbedtls_transparent_test_driver_mac_sign_finish(
+ &operation->ctx.driver.transparent_test_driver_ctx,
+ mac, mac_size, mac_length ) );
+
+ case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
+ return( mbedtls_opaque_test_driver_mac_sign_finish(
+ &operation->ctx.driver.opaque_test_driver_ctx,
+ mac, mac_size, mac_length ) );
+#endif /* PSA_CRYPTO_DRIVER_TEST */
+#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
+ default:
+ (void) mac;
+ (void) mac_size;
+ (void) mac_length;
+ return( PSA_ERROR_INVALID_ARGUMENT );
+ }
+}
+
+psa_status_t psa_driver_wrapper_mac_verify_finish(
+ psa_mac_operation_t *operation,
+ const uint8_t *mac,
+ size_t mac_length )
+{
+ switch( operation->id )
+ {
+#if defined(MBEDTLS_PSA_BUILTIN_MAC)
+ case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
+ return( mbedtls_psa_mac_verify_finish( &operation->ctx.driver.mbedtls_ctx,
+ mac, mac_length ) );
+#endif /* MBEDTLS_PSA_BUILTIN_MAC */
+
+#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+ case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
+ return( mbedtls_transparent_test_driver_mac_verify_finish(
+ &operation->ctx.driver.transparent_test_driver_ctx,
+ mac, mac_length ) );
+
+ case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
+ return( mbedtls_opaque_test_driver_mac_verify_finish(
+ &operation->ctx.driver.opaque_test_driver_ctx,
+ mac, mac_length ) );
+#endif /* PSA_CRYPTO_DRIVER_TEST */
+#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
+ default:
+ (void) mac;
+ (void) mac_length;
+ return( PSA_ERROR_INVALID_ARGUMENT );
+ }
+}
+
+psa_status_t psa_driver_wrapper_mac_abort(
+ psa_mac_operation_t *operation )
+{
+ psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
+ switch( operation->id )
+ {
+#if defined(MBEDTLS_PSA_BUILTIN_MAC)
+ case PSA_CRYPTO_MBED_TLS_DRIVER_ID:
+ status = mbedtls_psa_mac_abort( &operation->ctx.driver.mbedtls_ctx );
+ break;
+#endif /* MBEDTLS_PSA_BUILTIN_MAC */
+
+#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+ case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
+ status = mbedtls_transparent_test_driver_mac_abort(
+ &operation->ctx.driver.transparent_test_driver_ctx );
+ break;
+ case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
+ status = mbedtls_opaque_test_driver_mac_abort(
+ &operation->ctx.driver.opaque_test_driver_ctx );
+ break;
+#endif /* PSA_CRYPTO_DRIVER_TEST */
+#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
+ default:
+ status = PSA_ERROR_INVALID_ARGUMENT;
+ break;
+ }
+
+ operation->id = 0;
+ return( status );
+}
/* End of automatically generated file. */