Fix doxygen documentation for CCM encryption
Fix valid tag length values for mbedtls_ccm_encrypt_and_tag() function.
Add valid value ranges for mbedtls_ccm_auth_decrypt() parameters.
@@ -105,7 +105,7 @@ void mbedtls_ccm_free( mbedtls_ccm_context *ctx );
* Must be at least \p length Bytes wide.
* \param tag The buffer holding the tag.
* \param tag_len The length of the tag to generate in Bytes:
- * 4, 6, 8, 10, 14 or 16.
+ * 4, 6, 8, 10, 12, 14 or 16.
*
* \note The tag is written to a separate buffer. To concatenate
* the \p tag with the \p output, as done in <em>RFC-3610:
@@ -131,10 +131,13 @@ int mbedtls_ccm_encrypt_and_tag( mbedtls_ccm_context *ctx, size_t length,
* \param iv_len The length of the IV in Bytes: 7, 8, 9, 10, 11, 12, or 13.
* \param add The additional data field.
* \param add_len The length of additional data in Bytes.
+ * Must be less than 2^16 - 2^8.
* \param input The buffer holding the input data.
* \param output The buffer holding the output data.
+ * Must be at least \p length Bytes wide.
* \param tag The buffer holding the tag.
* \param tag_len The length of the tag in Bytes.
+ * 4, 6, 8, 10, 12, 14 or 16.
*
* \return 0 if successful and authenticated, or
* #MBEDTLS_ERR_CCM_AUTH_FAILED if the tag does not match.
