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How do I use client certificates in a client java application?


How do I use client certificates in a client java application?

By : ippy
Date : October 22 2020, 08:10 PM
it fixes the issue In order to load your certificates into your application your will need to package them into a truststore.
Creating a truststore
code :
openssl pkcs12 -export \
    -inkey client-key.pem -in client-cert.pem \
    -out client.pfx -passout pass:PASSWORD \
    -name qlikClient
keytool -importkeystore \
    -destkeystore truststore.pfx -deststoretype PKCS12 -deststorepass PASSWORD \
    -srckeystore client.pfx -srcstorepass PASSWORD -srcstoretype PKCS12 \
    -alias qlikClient
keytool -importcert \
    -keystore truststore.pfx -storepass PASSWORD \
    -file root.pem -noprompt \
    -alias qlikServerCACert
keytool -list -keystore truststore.pfx -storepass PASSWORD
private KeyStore readStore() {
  try (InputStream keyStoreStream = new FileInputStream(KEYSTORE_PATH)) {
    KeyStore keyStore = KeyStore.getInstance("PKCS12"); // or "JKS"
    keyStore.load(keyStoreStream, keyStorePass.toCharArray());
    return keyStore;
  } catch (KeyStoreException | CertificateException | NoSuchAlgorithmException e) {
    throw new RuntimeException(e);
  }
}
final KeyStore truststore = readStore();

final SSLContext sslContext;
try {
  sslContext = SSLContexts.custom()
      .loadTrustMaterial(truststore, new TrustAllStrategy())
      .loadKeyMaterial(truststore, keyStorePass.toCharArray(), (aliases, socket) -> "qlikClient")
      .build();
} catch (NoSuchAlgorithmException | KeyStoreException | KeyManagementException | UnrecoverableKeyException e) {
  throw new RuntimeException("Failed to read keystore", e);
}
final CloseableHttpClient httpClient = HttpClients.custom().setSSLContext(sslContext).build();
HttpResponse response = httpClient.execute(new HttpGet("https://sense-gcp-central1eu.net:4242/qrs/app/full"));
Unirest.config().httpClient(httpClient);
HttpResponse<JsonNode> response = Unirest.get("https://sense-gcp-central1eu.net:4242/qrs/app/full").asJson();


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Problem with WCF client certificates in a ASP.NET application hosted on IIS 7.5

Problem with WCF client certificates in a ASP.NET application hosted on IIS 7.5


By : user3405586
Date : March 29 2020, 07:55 AM
around this issue We had the same issue here. It was solved by ensuring the certificates in the chain were placed in the appropriate locations. Using an administrative account, when installing the certificate into the Personal folder of Local Machine store, it placed the intermediate certs in the same folder. Moving them to the Intermediate Certification Authorities folder provided the ApplicationPoolIdentity access to the complete chain.
IIS application - some Urls should require client ssl certificates and other don't ask for it

IIS application - some Urls should require client ssl certificates and other don't ask for it


By : Shazwan
Date : March 29 2020, 07:55 AM
should help you out Eventually solved it by
Creating a virtual directory under my application for the URL that requires that no client certificate is negotiated. Changed the client certificate setting in the ssl settings foe that virtual directory to "ignore". The virtual directory points back to my application Since the web config now is read twice (once for the virtual directory and once for the app), needed to make some settings idempotent (meaning - add a remove before an add for some web.config settings). The main application ssl client certificate setting remained in the "accept" state.
How to enforce the use of client authentication certificates from the client side

How to enforce the use of client authentication certificates from the client side


By : Zhen.Zhang
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further No. It cannot be enforced from the client side, it is only enforced by the server.
The plain https (one-way) is basically checking if the server is trusted by the client, it the client trusts the server, the communication happens. But the client authentication is a step further, on top of the client trusting the server, the server also tries to authenticate the user. Only if both parties are trusted by each other, the communication happens.
Does an AMQPNetLite client connecting to ActiveMQ Artemis via AMQPS require the client to store client certificates?

Does an AMQPNetLite client connecting to ActiveMQ Artemis via AMQPS require the client to store client certificates?


By : user2923841
Date : March 29 2020, 07:55 AM
To fix this issue If your server-side certificate is signed by an authority which is trusted by your JVM then you shouldn't need to import the certificate into your client-side truststore. If you're using self-signed certificates or certificates signed by an untrusted authority then your client will need the server's certificate in its truststore.
Each JVM version (e.g. 8, 9, 10, 11) and implementation (e.g. Oracle vs. OpenJDK vs. IBM) for the various supported platforms (e.g. Windows, Linux, AIX, etc.) store will potentially store their "cacerts" file (i.e. the file that contains all the trusted certificate authorities) in various places so I can't say exactly where you need to look to determine which specific authorities your JVM trusts, but you should be able to find that information in your JVM documentation.
Update Amazon RDS SSL/TLS certificates in non ssl using client application

Update Amazon RDS SSL/TLS certificates in non ssl using client application


By : user3454567
Date : March 29 2020, 07:55 AM
I wish this help you Recently I got a message/notification from Amazon ,
we connect them via our client/php application without SSL
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