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-rw-r--r--include/olm/sas.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/olm/sas.h b/include/olm/sas.h
index 9d2ae3e..ee44eff 100644
--- a/include/olm/sas.h
+++ b/include/olm/sas.h
@@ -59,7 +59,8 @@ size_t olm_create_sas_random_length(
/** Creates a new SAS object.
*
* @param[in] sas the SAS object to create, initialized by `olm_sas()`.
- * @param[in] random array of random bytes.
+ * @param[in] random array of random bytes. The contents of the buffer may be
+ * overwritten.
* @param[in] random_length the number of random bytes provided. Must be at
* least `olm_create_sas_random_length()`.
*
@@ -92,7 +93,8 @@ size_t olm_sas_get_pubkey(
/** Sets the public key of other user.
*
* @param[in] sas the SAS object.
- * @param[in] their_key the other user's public key.
+ * @param[in] their_key the other user's public key. The contents of the
+ * buffer will be overwritten.
* @param[in] their_key_length the size of the `their_key` buffer.
*
* @return `olm_error()` on failure. If the `their_key` buffer is too small,
@@ -142,7 +144,7 @@ size_t olm_sas_mac_length(
*/
size_t olm_sas_calculate_mac(
OlmSAS * sas,
- void * input, size_t input_length,
+ const void * input, size_t input_length,
const void * info, size_t info_length,
void * mac, size_t mac_length
);
@@ -150,7 +152,7 @@ size_t olm_sas_calculate_mac(
// for compatibility with an old version of Riot
size_t olm_sas_calculate_mac_long_kdf(
OlmSAS * sas,
- void * input, size_t input_length,
+ const void * input, size_t input_length,
const void * info, size_t info_length,
void * mac, size_t mac_length
);