Add test vectors for CCM*
diff --git a/tests/suites/test_suite_ccm.function b/tests/suites/test_suite_ccm.function
index 6d68543..58c8569 100644
--- a/tests/suites/test_suite_ccm.function
+++ b/tests/suites/test_suite_ccm.function
@@ -228,3 +228,140 @@
mbedtls_ccm_free( &ctx );
}
/* END_CASE */
+
+/* BEGIN_CASE */
+void mbedtls_ccm_star_encrypt_and_tag( int cipher_id,
+ char *key_hex, char *msg_hex,
+ char *source_address_hex, char *frame_counter_hex,
+ int sec_level, char *add_hex,
+ char *result_hex, int output_ret )
+{
+ unsigned char key[32];
+ unsigned char msg[50];
+ unsigned char iv[13];
+ unsigned char add[32];
+ unsigned char result[50];
+ unsigned char source_address[8];
+ unsigned char frame_counter[4];
+ mbedtls_ccm_context ctx;
+ size_t i, key_len, msg_len, iv_len, add_len, result_len, source_address_len, frame_counter_len, tag_len;
+ int ret;
+
+ mbedtls_ccm_init( &ctx );
+
+ memset( key, 0x00, sizeof( key ) );
+ memset( msg, 0x00, sizeof( msg ) );
+ memset( iv, 0x00, sizeof( iv ) );
+ memset( add, 0x00, sizeof( add ) );
+ memset( result, 0x00, sizeof( result ) );
+ memset( source_address, 0x00, sizeof( source_address ) );
+ memset( frame_counter, 0x00, sizeof( frame_counter ) );
+
+ key_len = unhexify( key, key_hex );
+ msg_len = unhexify( msg, msg_hex );
+ add_len = unhexify( add, add_hex );
+ result_len = unhexify( result, result_hex );
+ source_address_len = unhexify( source_address, source_address_hex );
+ frame_counter_len = unhexify( frame_counter, frame_counter_hex );
+
+ if( sec_level % 4 == 0)
+ tag_len = 0;
+ else
+ tag_len = 1 << ( sec_level % 4 + 1);
+
+ for( i = 0; i < source_address_len; i++ )
+ iv[i] = source_address[i];
+
+ for( i = 0; i < frame_counter_len; i++ )
+ iv[source_address_len + i] = frame_counter[i];
+
+ iv[source_address_len + frame_counter_len] = sec_level;
+ iv_len = sizeof( iv );
+
+ TEST_ASSERT( mbedtls_ccm_setkey( &ctx, cipher_id, key, key_len * 8 ) == 0 );
+
+ ret = mbedtls_ccm_star_encrypt_and_tag( &ctx, msg_len, iv, iv_len,
+ add, add_len, msg, msg, msg + msg_len, tag_len );
+
+ TEST_ASSERT( ret == output_ret );
+
+ TEST_ASSERT( memcmp( msg, result, result_len ) == 0 );
+
+ /* Check we didn't write past the end */
+ TEST_ASSERT( msg[result_len] == 0 && msg[result_len + 1] == 0 );
+
+exit:
+ mbedtls_ccm_free( &ctx );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mbedtls_ccm_star_auth_decrypt( int cipher_id,
+ char *key_hex, char *msg_hex,
+ char *source_address_hex, char *frame_counter_hex,
+ int sec_level, char *add_hex,
+ char *result_hex, int output_ret )
+{
+ unsigned char key[32];
+ unsigned char msg[50];
+ unsigned char iv[13];
+ unsigned char add[32];
+ unsigned char tag[16];
+ unsigned char result[50];
+ unsigned char source_address[8];
+ unsigned char frame_counter[4];
+ mbedtls_ccm_context ctx;
+ size_t i, key_len, msg_len, iv_len, add_len, tag_len, result_len, source_address_len, frame_counter_len;
+ int ret;
+
+ mbedtls_ccm_init( &ctx );
+
+ memset( key, 0x00, sizeof( key ) );
+ memset( msg, 0x00, sizeof( msg ) );
+ memset( iv, 0x00, sizeof( iv ) );
+ memset( add, 0x00, sizeof( add ) );
+ memset( result, 0x00, sizeof( result ) );
+ memset( source_address, 0x00, sizeof( source_address ) );
+ memset( frame_counter, 0x00, sizeof( frame_counter ) );
+ memset( tag, 0x00, sizeof( tag ) );
+
+ key_len = unhexify( key, key_hex );
+ msg_len = unhexify( msg, msg_hex );
+ add_len = unhexify( add, add_hex );
+ result_len = unhexify( result, result_hex );
+ source_address_len = unhexify( source_address, source_address_hex );
+ frame_counter_len = unhexify( frame_counter, frame_counter_hex );
+
+ if( sec_level % 4 == 0)
+ tag_len = 0;
+ else
+ tag_len = 1 << ( sec_level % 4 + 1);
+
+ for( i = 0; i < source_address_len; i++ )
+ iv[i] = source_address[i];
+
+ for( i = 0; i < frame_counter_len; i++ )
+ iv[source_address_len + i] = frame_counter[i];
+
+ iv[source_address_len + frame_counter_len] = sec_level;
+ iv_len = sizeof( iv );
+
+ msg_len -= tag_len;
+ memcpy( tag, msg + msg_len, tag_len );
+
+ TEST_ASSERT( mbedtls_ccm_setkey( &ctx, cipher_id, key, key_len * 8 ) == 0 );
+
+ ret = mbedtls_ccm_star_auth_decrypt( &ctx, msg_len, iv, iv_len,
+ add, add_len, msg, msg, msg + msg_len, tag_len );
+
+ TEST_ASSERT( ret == output_ret );
+
+ TEST_ASSERT( memcmp( msg, result, result_len ) == 0 );
+
+ /* Check we didn't write past the end (where the original tag is) */
+ TEST_ASSERT( memcmp( msg + msg_len, tag, tag_len ) == 0 );
+
+exit:
+ mbedtls_ccm_free( &ctx );
+}
+/* END_CASE */