Crypto: Check for error return from sign()

2015-07-07 13:46:04 +00:00
parent 6cb3d1d330
commit 1eaf376ee7
6 changed files with 18 additions and 3 deletions
--- a/apps/streaming/java/src/net/i2p/client/streaming/impl/PacketLocal.java
+++ b/apps/streaming/java/src/net/i2p/client/streaming/impl/PacketLocal.java
@@ -216,6 +216,8 @@ class PacketLocal extends Packet implements MessageOutputStream.WriteStatus {
        SigningPrivateKey key = _session.getPrivateKey();
        int size = writePacket(buffer, offset, key.getType().getSigLen());
        _optionSignature = _context.dsa().sign(buffer, offset, size, key);
+        if (_optionSignature == null)
+            throw new IllegalStateException("Signature failed");
        //if (false) {
        //    Log l = ctx.logManager().getLog(Packet.class);
        //    l.error("Signing: " + toString());