remove trailing spaces
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 3ee3f9d..190abe1 100755
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -1509,7 +1509,7 @@
     if( !( slot->policy.usage & PSA_KEY_USAGE_ENCRYPT ) )
         return( PSA_ERROR_NOT_PERMITTED );
 
-    if ( ( key_type & PSA_KEY_TYPE_CATEGORY_MASK ) != 
+    if ( ( key_type & PSA_KEY_TYPE_CATEGORY_MASK ) !=
            PSA_KEY_TYPE_CATEGORY_SYMMETRIC )
         return( PSA_ERROR_INVALID_ARGUMENT );
 
@@ -1652,9 +1652,9 @@
     if( !( slot->policy.usage & PSA_KEY_USAGE_DECRYPT ) )
         return( PSA_ERROR_NOT_PERMITTED );
 
-    if ( !( ( key_type & PSA_KEY_TYPE_CATEGORY_MASK ) == 
+    if ( !( ( key_type & PSA_KEY_TYPE_CATEGORY_MASK ) ==
             PSA_KEY_TYPE_CATEGORY_SYMMETRIC
-            && PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) == 
+            && PSA_BLOCK_CIPHER_BLOCK_SIZE( key_type ) ==
             cipher_info->block_size ) )
         return( PSA_ERROR_INVALID_ARGUMENT );