Fix mbedtls_ccm_finish() error code description
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/include/mbedtls/ccm.h b/include/mbedtls/ccm.h
index 7ed4b59..6287054 100644
--- a/include/mbedtls/ccm.h
+++ b/include/mbedtls/ccm.h
@@ -432,7 +432,15 @@
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_CCM_BAD_INPUT on failure:
- * invalid value of \p tag_len.
+ * invalid value of \p tag_len,
+ * the total amount of additional data passed to
+ * mbedtls_ccm_update_ad() was lower than the total length of
+ * additional data \c total_ad_len passed to
+ * mbedtls_ccm_starts(),
+ * the total amount of input data passed to
+ * mbedtls_ccm_update() was lower than the total length of
+ * input data \c total_input_len passed to
+ * mbedtls_ccm_starts().
*/
int mbedtls_ccm_finish( mbedtls_ccm_context *ctx,
unsigned char *tag, size_t tag_len );