Bill Fischofer(Bill-Fischofer-Linaro) replied on github web page:
include/odp/api/spec/crypto.h
line 16
@@ -310,6 +310,19 @@ typedef struct odp_crypto_session_param_t {
*/
uint32_t auth_digest_len;
+ /** Authentication Additional Authenticated Data (AAD) length in bytes
+ *
+ * This parameter is used when AAD length is constant for all
+ * operations (packets) of the session. When AAD length varies, this
+ * must be set to zero and operation level AAD length parameter is
+ * used instead. Both session and operation level parameters must not
+ * be used simultaneously.
+ *
+ * Use odp_crypto_auth_capability() for supported AAD lengths.
+ * The default value is zero.
+ */
+ uint32_t auth_aad_len;
+
Comment:
Why this restriction? Wouldn't it be cleaner to say this is simply a
session-level default and if individual ops have a non-zero AAD they serve as
overrides?
https://github.com/Linaro/odp/pull/279#discussion_r149351753
updated_at 2017-11-07 12:27:11
