Sample stack trace which the submitter appears to be hitting

**Signature invalid : sun.security.pkcs11.wrapper.PKCS11Exception: CKR_SIGNATURE_INVALID
javax.net.ssl.SSLKeyException: Invalid signature on ECDH server key exchange message
at sun.security.ssl.HandshakeMessage$ECDH_ServerKeyExchange.<init>(HandshakeMessage.java:1500)
at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:344)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:983)
at sun.security.ssl.Handshaker.processRecord(Handshaker.java:917)
at sun.security.ssl.SSLSocketImpl.processInputRecord(SSLSocketImpl.java:1101)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1038)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:949)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1356)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1383)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1367)
at TestAEADCipher.readWithParticularCipher(TestAEADCipher.java:57)
at TestAEADCipher.runCipherTest(TestAEADCipher.java:33)
at TestAEADCipher.main(TestAEADCipher.java:23)