SilcBuffer buffer, unsigned int len)
{
unsigned char mac[32];
+ unsigned int mac_len;
/* Compute HMAC. This assumes that HMAC is created from the entire
data area thus this uses the length found in buffer, not the length
sent as argument. */
if (hmac) {
- silc_hmac_make(hmac, buffer->data, buffer->len, mac);
- silc_buffer_put_tail(buffer, mac, hmac->hash->hash->hash_len);
+ silc_hmac_make(hmac, buffer->data, buffer->len, mac, &mac_len);
+ silc_buffer_put_tail(buffer, mac, mac_len);
memset(mac, 0, sizeof(mac));
}
/* Pull the HMAC into the visible data area in the buffer */
if (hmac)
- silc_buffer_pull_tail(buffer, hmac->hash->hash->hash_len);
+ silc_buffer_pull_tail(buffer, mac_len);
}
/* Assembles a new packet to be ready for send out. The buffer sent as
return;
if (hmac)
- mac_len = hmac->hash->hash->hash_len;
+ mac_len = hmac->hmac->len;
/* Parse the packets from the data */
count = 0;
/* Check MAC */
if (hmac) {
unsigned char mac[32];
+ unsigned int mac_len;
SILC_LOG_DEBUG(("Verifying MAC"));
/* Compute HMAC of packet */
memset(mac, 0, sizeof(mac));
- silc_hmac_make(hmac, buffer->data, buffer->len, mac);
+ silc_hmac_make(hmac, buffer->data, buffer->len, mac, &mac_len);
/* Compare the HMAC's (buffer->tail has the packet's HMAC) */
- if (memcmp(mac, buffer->tail, hmac->hash->hash->hash_len)) {
+ if (memcmp(mac, buffer->tail, mac_len)) {
SILC_LOG_DEBUG(("MAC failed"));
return FALSE;
}
/* Pull MAC from packet before decryption */
if (hmac) {
- if ((buffer->len - hmac->hash->hash->hash_len) > SILC_PACKET_MIN_LEN) {
- silc_buffer_push_tail(buffer, hmac->hash->hash->hash_len);
+ if ((buffer->len - hmac->hmac->len) > SILC_PACKET_MIN_LEN) {
+ silc_buffer_push_tail(buffer, hmac->hmac->len);
} else {
SILC_LOG_DEBUG(("Bad MAC length in packet, packet dropped"));
return FALSE;
/* Pull MAC from packet before decryption */
if (hmac) {
- if ((buffer->len - hmac->hash->hash->hash_len) > SILC_PACKET_MIN_LEN) {
- silc_buffer_push_tail(buffer, hmac->hash->hash->hash_len);
+ if ((buffer->len - hmac->hmac->len) > SILC_PACKET_MIN_LEN) {
+ silc_buffer_push_tail(buffer, hmac->hmac->len);
} else {
SILC_LOG_DEBUG(("Bad MAC length in packet, packet dropped"));
return FALSE;