psa: driver: Reduce the scope of test driver entry points

Define test driver entry points that provide an alternative
to Mbed TLS driver entry points only when the PSA configuration
is used. Their purpose is only to test the PSA configuration
thus there is no good reason to use them out of this scope.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/src/drivers/test_driver_signature.c b/tests/src/drivers/test_driver_signature.c
index 86f0319..8494385 100644
--- a/tests/src/drivers/test_driver_signature.c
+++ b/tests/src/drivers/test_driver_signature.c
@@ -59,15 +59,22 @@
         if( PSA_ALG_IS_RSA_PKCS1V15_SIGN( alg ) ||
             PSA_ALG_IS_RSA_PSS( alg) )
         {
-#if defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PKCS1V15_SIGN) || \
-    defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PSS)
+#if ( defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PKCS1V15_SIGN) || \
+      defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PSS) ) && \
+    defined(MBEDTLS_PSA_CRYPTO_CONFIG)
             return( mbedtls_transparent_test_driver_rsa_sign_hash(
                         attributes,
                         key_buffer, key_buffer_size,
                         alg, hash, hash_length,
                         signature, signature_size, signature_length ) );
-#endif /* defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PKCS1V15_SIGN) ||
-        * defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PSS) */
+#elif defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_SIGN) || \
+      defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS)
+        return( mbedtls_psa_rsa_sign_hash(
+                    attributes,
+                    key_buffer, key_buffer_size,
+                    alg, hash, hash_length,
+                    signature, signature_size, signature_length ) );
+#endif
         }
         else
         {
@@ -78,15 +85,22 @@
     {
         if( PSA_ALG_IS_ECDSA( alg ) )
         {
-#if defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA) || \
-    defined(MBEDTLS_PSA_ACCEL_ALG_DETERMINISTIC_ECDSA)
+#if ( defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA) || \
+      defined(MBEDTLS_PSA_ACCEL_ALG_DETERMINISTIC_ECDSA) ) && \
+    defined(MBEDTLS_PSA_CRYPTO_CONFIG)
             return( mbedtls_transparent_test_driver_ecdsa_sign_hash(
                         attributes,
                         key_buffer, key_buffer_size,
                         alg, hash, hash_length,
                         signature, signature_size, signature_length ) );
-#endif /* defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA) ||
-        * defined(MBEDTLS_PSA_ACCEL_ALG_DETERMINISTIC_ECDSA) */
+#elif defined(MBEDTLS_PSA_BUILTIN_ALG_ECDSA) || \
+      defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA)
+            return( mbedtls_psa_ecdsa_sign_hash(
+                        attributes,
+                        key_buffer, key_buffer_size,
+                        alg, hash, hash_length,
+                        signature, signature_size, signature_length ) );
+#endif
         }
         else
         {
@@ -121,15 +135,22 @@
         if( PSA_ALG_IS_RSA_PKCS1V15_SIGN( alg ) ||
             PSA_ALG_IS_RSA_PSS( alg) )
         {
-#if defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PKCS1V15_SIGN) || \
-    defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PSS)
+#if ( defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PKCS1V15_SIGN) || \
+      defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PSS) ) && \
+    defined(MBEDTLS_PSA_CRYPTO_CONFIG)
             return( mbedtls_transparent_test_driver_rsa_verify_hash(
                         attributes,
                         key_buffer, key_buffer_size,
                         alg, hash, hash_length,
                         signature, signature_length ) );
-#endif /* defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PKCS1V15_SIGN) ||
-        * defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PSS) */
+#elif defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_SIGN) || \
+      defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS)
+        return( mbedtls_psa_rsa_verify_hash(
+                    attributes,
+                    key_buffer, key_buffer_size,
+                    alg, hash, hash_length,
+                    signature, signature_length ) );
+#endif
         }
         else
         {
@@ -140,15 +161,22 @@
     {
         if( PSA_ALG_IS_ECDSA( alg ) )
         {
-#if defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA) || \
-    defined(MBEDTLS_PSA_ACCEL_ALG_DETERMINISTIC_ECDSA)
+#if ( defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA) || \
+      defined(MBEDTLS_PSA_ACCEL_ALG_DETERMINISTIC_ECDSA) ) && \
+    defined(MBEDTLS_PSA_CRYPTO_CONFIG)
             return( mbedtls_transparent_test_driver_ecdsa_verify_hash(
                         attributes,
                         key_buffer, key_buffer_size,
                         alg, hash, hash_length,
                         signature, signature_length ) );
-#endif /* defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA) ||
-        * defined(MBEDTLS_PSA_ACCEL_ALG_DETERMINISTIC_ECDSA) */
+#elif defined(MBEDTLS_PSA_BUILTIN_ALG_ECDSA) || \
+      defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA)
+            return( mbedtls_psa_ecdsa_verify_hash(
+                        attributes,
+                        key_buffer, key_buffer_size,
+                        alg, hash, hash_length,
+                        signature, signature_length ) );
+#endif
         }
         else
         {
@@ -164,7 +192,6 @@
     (void)hash_length;
     (void)signature;
     (void)signature_length;
-
     return( PSA_ERROR_NOT_SUPPORTED );
 }
 
@@ -200,16 +227,25 @@
         return( PSA_SUCCESS );
     }
 
+#if defined(MBEDTLS_PSA_CRYPTO_CONFIG)
     status = mbedtls_transparent_test_driver_hash_compute(
                 PSA_ALG_SIGN_GET_HASH( alg ), input, input_length,
                 hash, sizeof( hash ), &hash_length );
-
+#elif defined(MBEDTLS_PSA_BUILTIN_HASH)
+    status = mbedtls_psa_hash_compute(
+                PSA_ALG_SIGN_GET_HASH( alg ), input, input_length,
+                hash, sizeof( hash ), &hash_length );
+#else
+    (void) input;
+    (void) input_length;
+    status = PSA_ERROR_NOT_SUPPORTED;
+#endif
     if( status != PSA_SUCCESS )
         return status;
 
-    return sign_hash( attributes, key_buffer, key_buffer_size,
-                      alg, hash, hash_length,
-                      signature, signature_size, signature_length );
+    return( sign_hash( attributes, key_buffer, key_buffer_size,
+                       alg, hash, hash_length,
+                       signature, signature_size, signature_length ) );
 }
 
 psa_status_t mbedtls_test_opaque_signature_sign_message(
@@ -255,16 +291,25 @@
     if( mbedtls_test_driver_signature_verify_hooks.forced_status != PSA_SUCCESS )
         return( mbedtls_test_driver_signature_verify_hooks.forced_status );
 
+#if defined(MBEDTLS_PSA_CRYPTO_CONFIG)
     status = mbedtls_transparent_test_driver_hash_compute(
                 PSA_ALG_SIGN_GET_HASH( alg ), input, input_length,
                 hash, sizeof( hash ), &hash_length );
-
+#elif defined(MBEDTLS_PSA_BUILTIN_HASH)
+    status = mbedtls_psa_hash_compute(
+                PSA_ALG_SIGN_GET_HASH( alg ), input, input_length,
+                hash, sizeof( hash ), &hash_length );
+#else
+    (void) input;
+    (void) input_length;
+    status = PSA_ERROR_NOT_SUPPORTED;
+#endif
     if( status != PSA_SUCCESS )
         return status;
 
-    return verify_hash( attributes, key_buffer, key_buffer_size,
-                        alg, hash, hash_length,
-                        signature, signature_length );
+    return( verify_hash( attributes, key_buffer, key_buffer_size,
+                         alg, hash, hash_length,
+                         signature, signature_length ) );
 }
 
 psa_status_t mbedtls_test_opaque_signature_verify_message(