- offset = (packet->data[8] << 8) +
- packet->data[9];
- offset = ((offset + 7) / 8) + 2;
-
- for (keyid = 0, i = 0; i < 8; i++) {
- keyid <<= 8;
- keyid += packet->data[offset++];
+#ifdef NETTLE_WITH_RIPEMD160
+ if (packet->data[7] == 16) {
+ ripemd160_init(&ripemd160_context);
+ data = 0x99;
+ ripemd160_update(&ripemd160_context, 1, &data);
+ data = packet->length >> 8;
+ ripemd160_update(&ripemd160_context, 1, &data);
+ data = packet->length & 0xFF;
+ ripemd160_update(&ripemd160_context, 1, &data);
+ ripemd160_update(&ripemd160_context,
+ packet->length,
+ packet->data);
+
+ ripemd160_digest(&ripemd160_context,
+ RIPEMD160_DIGEST_SIZE,
+ buff);
+
+ for (*keyid = 0, i = 12; i < 20; i++) {
+ *keyid <<= 8;
+ *keyid += buff[i];
+ }
+
+ return ONAK_E_OK;