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Peer selection: Don't truncate data used for random slice

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zzz
2016-03-11 01:53:21 +00:00
parent b7498b564a
commit 74e8cf79bd
1 changed files with 6 additions and 6 deletions
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12
router/java/src/net/i2p/router/peermanager/ProfileOrganizer.java
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@@ -1389,12 +1389,12 @@ public class ProfileOrganizer {
* @return 0-3
*/
private int getSubTier(Hash peer, Hash randomKey) {
// input is first 36 bytes; output is last 32 bytes
byte[] data = new byte[Hash.HASH_LENGTH + 4 + Hash.HASH_LENGTH];
System.arraycopy(peer.getData(), 0, data, 0, Hash.HASH_LENGTH);
System.arraycopy(randomKey.getData(), 0, data, Hash.HASH_LENGTH, 4);
_context.sha().calculateHash(data, 0, Hash.HASH_LENGTH + 4, data, Hash.HASH_LENGTH + 4);
return data[Hash.HASH_LENGTH + 4] & 0x03;
// input is first 64 bytes; output is last 32 bytes
byte[] data = new byte[96];
System.arraycopy(peer.getData(), 0, data, 0, 32);
System.arraycopy(randomKey.getData(), 0, data, 32, 32);
_context.sha().calculateHash(data, 0, 64, data, 64);
return data[64] & 0x03;
}
public boolean isSelectable(Hash peer) {