CCM*: Add minimal tests
diff --git a/tests/suites/test_suite_ccm.data b/tests/suites/test_suite_ccm.data
index 90ba42d..ac66812 100644
--- a/tests/suites/test_suite_ccm.data
+++ b/tests/suites/test_suite_ccm.data
@@ -41,6 +41,15 @@
CCM lengths #8 msg too long for this IV length (2^16, q = 2)
ccm_lengths:65536:13:5:8:MBEDTLS_ERR_CCM_BAD_INPUT
+CCM lengths #9 tag length 0
+ccm_lengths:5:10:5:0:MBEDTLS_ERR_CCM_BAD_INPUT
+
+CCM* fixed tag lengths #1 all OK
+ccm_star_lengths:5:10:5:8:0
+
+CCM* fixed tag lengths #2 all OK - tag length 0
+ccm_star_lengths:5:10:5:0:0
+
CCM encrypt and tag RFC 3610 #1
depends_on:MBEDTLS_AES_C
mbedtls_ccm_encrypt_and_tag:MBEDTLS_CIPHER_ID_AES:"C0C1C2C3C4C5C6C7C8C9CACBCCCDCECF":"08090A0B0C0D0E0F101112131415161718191A1B1C1D1E":"00000003020100A0A1A2A3A4A5":"0001020304050607":"588C979A61C663D2F066D0C2C0F989806D5F6B61DAC38417E8D12CFDF926E0"
diff --git a/tests/suites/test_suite_ccm.function b/tests/suites/test_suite_ccm.function
index 2f5c77c..6d68543 100644
--- a/tests/suites/test_suite_ccm.function
+++ b/tests/suites/test_suite_ccm.function
@@ -74,6 +74,47 @@
}
/* END_CASE */
+/* BEGIN_CASE depends_on:MBEDTLS_AES_C */
+void ccm_star_lengths( int msg_len, int iv_len, int add_len, int tag_len,
+ int res )
+{
+ mbedtls_ccm_context ctx;
+ unsigned char key[16];
+ unsigned char msg[10];
+ unsigned char iv[14];
+ unsigned char add[10];
+ unsigned char out[10];
+ unsigned char tag[18];
+ int decrypt_ret;
+
+ mbedtls_ccm_init( &ctx );
+
+ memset( key, 0, sizeof( key ) );
+ memset( msg, 0, sizeof( msg ) );
+ memset( iv, 0, sizeof( iv ) );
+ memset( add, 0, sizeof( add ) );
+ memset( out, 0, sizeof( out ) );
+ memset( tag, 0, sizeof( tag ) );
+
+ TEST_ASSERT( mbedtls_ccm_setkey( &ctx, MBEDTLS_CIPHER_ID_AES,
+ key, 8 * sizeof( key ) ) == 0 );
+
+ TEST_ASSERT( mbedtls_ccm_star_encrypt_and_tag( &ctx, msg_len, iv, iv_len,
+ add, add_len, msg, out, tag, tag_len ) == res );
+
+ decrypt_ret = mbedtls_ccm_star_auth_decrypt( &ctx, msg_len, iv, iv_len, add,
+ add_len, msg, out, tag, tag_len );
+
+ if( res == 0 && tag_len != 0 )
+ TEST_ASSERT( decrypt_ret == MBEDTLS_ERR_CCM_AUTH_FAILED );
+ else
+ TEST_ASSERT( decrypt_ret == res );
+
+exit:
+ mbedtls_ccm_free( &ctx );
+}
+/* END_CASE */
+
/* BEGIN_CASE */
void mbedtls_ccm_encrypt_and_tag( int cipher_id,
char *key_hex, char *msg_hex,