I am trying to implement a standalone application for iphone; for which I wish to use Apple Push notification for iphone clients. I am getting javax.net.ssl.SSLHandshakeException: Received fatal alert: unknown_ca Following is my Java code to connect to apns gateway:
int port = 2195; String hostname = "gateway.sandbox.push.apple.com"; char passwKey = "password".toCharArray(); KeyStore ts = KeyStore.getInstance("PKCS12"); ts.load(new FileInputStream("/path/to/file/Cert.p12"), passwKey); KeyManagerFactory tmf = KeyManagerFactory.getInstance("SunX509"); tmf.init(ts, passwKey); SSLContext sslContext = SSLContext.getInstance("TLS"); sslContext.init(tmf.getKeyManagers(), null, null); SSLSocketFactory factory = sslContext.getSocketFactory(); SSLSocket socket = (SSLSocket) factory.createSocket(hostname,port); String suites = socket.getSupportedCipherSuites(); socket.setEnabledCipherSuites(suites); //start handshake socket.startHandshake();
Please help me understand what and how the ssl certificate can be installed on my Linux machine.
It worked for me now, I recreated Cert.p12, and the program started working. I don't know what was the exact cause for not working, but I guess it would be corrupt Cert.p12 file.
Thank you all for your help.
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Received a valid certificate chain or partial chain, but the certificate was not accepted because the CA certificate could not be located or could not be matched with a known, trusted CA.You may need to add the certificate to your jre's cacerts file (generally located under lib/security).
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This message is always fatal..
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Look into the documentation for keytool and its -import option for more information.
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You can probably find an example of how to do this by researching the cacerts file and keytool further..