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throw ISE on attempt to change peer value

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zzz
2012-03-16 12:17:07 +00:00
parent e7898b5b8f
commit 045627a583
1 changed files with 7 additions and 2 deletions
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9
router/java/src/net/i2p/router/transport/crypto/DHSessionKeyBuilder.java
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@@ -198,9 +198,14 @@ public class DHSessionKeyBuilder {
/**
* Specify the value given by the peer for use in the session key negotiation
*
* @throws IllegalStateException if already set
*/
public void setPeerPublicValue(BigInteger peerVal) throws InvalidPublicParameterException {
public synchronized void setPeerPublicValue(BigInteger peerVal) throws InvalidPublicParameterException {
if (_peerValue != null) {
if (!_peerValue.equals(peerVal))
throw new IllegalStateException();
return;
}
validatePublic(peerVal);
_peerValue = peerVal;
}