Add CCM test for calling finish without any input.
Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
diff --git a/tests/suites/test_suite_ccm.data b/tests/suites/test_suite_ccm.data
index 5d23e6a..91aa98b 100644
--- a/tests/suites/test_suite_ccm.data
+++ b/tests/suites/test_suite_ccm.data
@@ -1645,3 +1645,15 @@
CCM* decrypt, full update and overflow NIST VADT AES-192 #14 (P=24, N=13, A=13, T=16)
depends_on:MBEDTLS_AES_C
mbedtls_ccm_full_update_and_overflow:MBEDTLS_CIPHER_ID_AES:MBEDTLS_CCM_STAR_DECRYPT:"b5f43f3ae38a6165f0f990abe9ee50cd9ad7e847a0a51731":"3726c1aaf85ee8099a7ebd3268700e07d4b3f292c65bba34":"13501aebda19a9bf1b5ffaa42a":"ead4c45ff9db54f9902a6de181"
+
+CCM encrypt, instant finish NIST VADT AES-192 #14 (P=24, N=13, A=13, T=16)
+mbedtls_ccm_instant_finish:MBEDTLS_CIPHER_ID_AES:MBEDTLS_CCM_ENCRYPT:"b5f43f3ae38a6165f0f990abe9ee50cd9ad7e847a0a51731":"13501aebda19a9bf1b5ffaa42a"
+
+CCM decrypt, instant finish NIST VADT AES-192 #14 (P=24, N=13, A=13, T=16)
+mbedtls_ccm_instant_finish:MBEDTLS_CIPHER_ID_AES:MBEDTLS_CCM_DECRYPT:"b5f43f3ae38a6165f0f990abe9ee50cd9ad7e847a0a51731":"13501aebda19a9bf1b5ffaa42a"
+
+CCM* encrypt, instant finish NIST VADT AES-192 #14 (P=24, N=13, A=13, T=16)
+mbedtls_ccm_instant_finish:MBEDTLS_CIPHER_ID_AES:MBEDTLS_CCM_STAR_ENCRYPT:"b5f43f3ae38a6165f0f990abe9ee50cd9ad7e847a0a51731":"13501aebda19a9bf1b5ffaa42a"
+
+CCM* decrypt, instant finish NIST VADT AES-192 #14 (P=24, N=13, A=13, T=16)
+mbedtls_ccm_instant_finish:MBEDTLS_CIPHER_ID_AES:MBEDTLS_CCM_STAR_DECRYPT:"b5f43f3ae38a6165f0f990abe9ee50cd9ad7e847a0a51731":"13501aebda19a9bf1b5ffaa42a"
diff --git a/tests/suites/test_suite_ccm.function b/tests/suites/test_suite_ccm.function
index d9c397c..48c4fe9 100644
--- a/tests/suites/test_suite_ccm.function
+++ b/tests/suites/test_suite_ccm.function
@@ -682,3 +682,27 @@
mbedtls_ccm_free( &ctx );
}
/* END_CASE */
+
+/* Finish without passing any auth data or plaintext/ciphertext input */
+/* BEGIN_CASE */
+void mbedtls_ccm_instant_finish( int cipher_id, int mode,
+ data_t * key, data_t * iv )
+{
+ mbedtls_ccm_context ctx;
+ uint8_t *output = NULL;
+
+ mbedtls_ccm_init( &ctx );
+ TEST_EQUAL( mbedtls_ccm_setkey( &ctx, cipher_id, key->x, key->len * 8 ), 0 );
+ TEST_EQUAL( 0, mbedtls_ccm_starts( &ctx, mode, iv->x, iv->len ) );
+ // use hardcoded values for add length, msg length and tag length.
+ // They are not a part of this test
+ TEST_EQUAL( 0, mbedtls_ccm_set_lengths( &ctx, 16, 16, 16 ) );
+
+ ASSERT_ALLOC( output, 16 );
+ TEST_EQUAL( MBEDTLS_ERR_CCM_BAD_SEQUENCE, mbedtls_ccm_finish( &ctx, output, 16 ) );
+
+exit:
+ mbedtls_free( output );
+ mbedtls_ccm_free( &ctx );
+}
+/* END_CASE */
