commit 3d404d677e8053b328b38b064242babdc24bb5a6
author Gilles Peskine <Gilles.Peskine@arm.com> Tue Aug 25 23:47:36 2020 +0200
committer Gilles Peskine <Gilles.Peskine@arm.com> Wed Aug 26 00:16:03 2020 +0200
tree 4094ec4e32d3f49fd7c5ce25b6d1bc3e03590a78
parent ed19762a22ea326b40b4faf24856f60b96676688

Test PSA_MAC_FINAL_SIZE in mac_sign exactly

We expect PSA_MAC_FINAL_SIZE to be exact in this implementation, so
check it here.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

tests/suites/test_suite_psa_crypto.function

diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index f4b9a8f..fb0f2b2 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -3038,7 +3038,8 @@
 
     memset( actual_mac, '+', sizeof( actual_mac ) );
     TEST_ASSERT( mac_buffer_size <= PSA_MAC_MAX_SIZE );
-    TEST_ASSERT( expected_mac->len <= mac_buffer_size );
+    /* We expect PSA_MAC_FINAL_SIZE to be exact. */
+    TEST_ASSERT( expected_mac->len == mac_buffer_size );
 
     PSA_ASSERT( psa_crypto_init( ) );