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Log the running time of key validation and message verification.

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This commit is contained in:
akwizgran
2014-03-22 00:30:29 +00:00
parent d83513c5f9
commit fc66f6ed8a
2 changed files with 32 additions and 7 deletions
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19
briar-core/src/org/briarproject/messaging/MessageVerifierImpl.java
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@@ -1,8 +1,10 @@
package org.briarproject.messaging;
import static java.util.logging.Level.INFO;
import static org.briarproject.api.transport.TransportConstants.MAX_CLOCK_DIFFERENCE;
import java.security.GeneralSecurityException;
import java.util.logging.Logger;
import javax.inject.Inject;
@@ -20,6 +22,9 @@ import org.briarproject.api.system.Clock;
class MessageVerifierImpl implements MessageVerifier {
private static final Logger LOG =
Logger.getLogger(MessageVerifierImpl.class.getName());
private final CryptoComponent crypto;
private final Clock clock;
private final KeyParser keyParser;
@@ -33,11 +38,11 @@ class MessageVerifierImpl implements MessageVerifier {
public Message verifyMessage(UnverifiedMessage m)
throws GeneralSecurityException {
long now = System.currentTimeMillis();
MessageDigest messageDigest = crypto.getMessageDigest();
Signature signature = crypto.getSignature();
// Reject the message if it's too far in the future
long now = clock.currentTimeMillis();
if(m.getTimestamp() > now + MAX_CLOCK_DIFFERENCE)
if(m.getTimestamp() > clock.currentTimeMillis() + MAX_CLOCK_DIFFERENCE)
throw new GeneralSecurityException();
// Hash the message to get the message ID
byte[] raw = m.getSerialised();
@@ -52,8 +57,12 @@ class MessageVerifierImpl implements MessageVerifier {
if(!signature.verify(m.getSignature()))
throw new GeneralSecurityException();
}
return new MessageImpl(id, m.getParent(), m.getGroup(), author,
m.getContentType(), m.getTimestamp(), raw, m.getBodyStart(),
m.getBodyLength());
Message verified = new MessageImpl(id, m.getParent(), m.getGroup(),
author, m.getContentType(), m.getTimestamp(), raw,
m.getBodyStart(), m.getBodyLength());
long duration = System.currentTimeMillis() - now;
if(LOG.isLoggable(INFO))
LOG.info("Verifying message took " + duration + " ms");
return verified;
}
}