add comment about input buffers being overwritten

also make some params const where possible
This commit is contained in:
Hubert Chathi 2019-05-14 12:53:19 -04:00
parent 769d013ef7
commit 0757e6df40
2 changed files with 8 additions and 6 deletions

View file

@ -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
);

View file

@ -120,7 +120,7 @@ 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
) {
@ -143,7 +143,7 @@ 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
) {