How to load a certificate from "Credential storage"?

How to load a certificate from "Credential storage"?

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How to load a certificate from "Credential storage"?
Tag : java , By : Ernie
Date : November 27 2020, 03:01 PM

fixed the issue. Will look into that further User credentials installed on device are available through Android KeyChain, not Android KeyStore
KeyChain.choosePrivateKeyAlias(activity, new KeyChainAliasCallback() {
            public void alias(String alias) {               
                //do something with the selected alias                      
        new String[] { KeyProperties.KEY_ALGORITHM_RSA, "DSA"}, // List of acceptable key types. null for any
        null,                        // issuer, null for any
        null,                        // host name of server requesting the cert, null if unavailable
        -1,                          // port of server requesting the cert, -1 if unavailable
        "");                         // alias to preselect, null if unavailable
PrivateKey privateKey = KeyChain.getPrivateKey(activity, alias);
X509Certificate chain[] = KeyChain.getCertificateChain(activity, alias);

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Add Web Reference prompts for credentials with "Discovery Credential" dialog but won't accept valid credential

Tag : asp.net , By : user179938
Date : March 29 2020, 07:55 AM
like below fixes the issue I came back to this code after a long weekend and it just mysteriously worked this time. No prompts to reference the web service. This leads me to think that some configuration on the server was changed and/or the server was rebooted. Not sure that this actually explains anything.

How to resolve "enter the password for credential storage" issue?

Tag : android , By : KT.
Date : March 29 2020, 07:55 AM
I hope this helps you . I could now install the certificate. I had to disable pattern screen lock and try installing certificate again. This time it asked me to setup security - pin or password.

Firebase signInWithCredential failed: First argument "credential" must be a valid credential

Tag : facebook , By : Jakub Filak
Date : March 29 2020, 07:55 AM
I wish this helpful for you Feeling pretty pleased - finally cracked the nut.
They key bit is the token needs to be changed first before being a relevant credential. See code below:
    let token = firebase.auth.FacebookAuthProvider.credential(data.credentials.token);
       .then((user) => {
       }).catch((err) => {
           console.error('User signin error', err);

{error: (403) Forbidden."} WCF basicHttpBinding with Transport and Certificate Credential

Tag : wcf , By : warttack
Date : March 29 2020, 07:55 AM
will be helpful for those in need I found the following solution that works for this error I encountered.
First, I created a certificate as follows:
        <endpoint address="https://www.example.com/sub/Service1.svc" behaviorConfiguration="clientBehavior"
          binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_MyService"
          contract="ServiceReference1.MyService"  />


          <behavior name="clientBehavior">
              <clientCertificate findValue="MySignedKey"
                                 x509FindType="FindBySubjectName" />


Java can not load "BEGIN TRUSTED CERTIFICATE" format certificate

Tag : java , By : user143038
Date : March 29 2020, 07:55 AM
Hope that helps PEM type 'TRUSTED CERTIFICATE' is an OpenSSL-specific nonstandard format that Java can't handle out of the box. It actually contains the standard X.509 cert as one DER chunk plus another OpenSSL-defined DER chunk of trust information.
If you have OpenSSL, the simplest method is to convert to the standard 'CERTIFICATE' format with openssl x509 out . You can add -outform DER as Misantorp did but it isn't needed; CertificateFactory can read the standard format in either DER or PEM as OpenSSL inexactly calls them.
        // assumes filename in args[0], adjust as needed
        Object both = new PEMParser(new FileReader(args[0])).readObject();
        // should close the FileReader, maybe using try-resources
        byte[] cert = ((X509TrustedCertificateBlock)both).getCertificateHolder().getEncoded();
        X509Certificate good = (X509Certificate) CertificateFactory.getInstance("X.509")
                .generateCertificate(new ByteArrayInputStream(cert));
        System.out.println (good.getSubjectX500Principal().getName());
        String in1 = new String(Files.readAllBytes(new File(args[0]).toPath()));
        byte[] both = Base64.getMimeDecoder().decode(in1.replaceAll("-----[A-Z ]*-----\\r?\\n",""));
        if( both[0]!=0x30 || both[1]!=(byte)0x82 ) throw new Exception("wrong!"); // or other handling
        byte[] cert = Arrays.copyOf(both, (both[2]<<8 | both[3]&0xFF) + 4);
        X509Certificate good = (X509Certificate) CertificateFactory.getInstance("X.509")
                .generateCertificate(new ByteArrayInputStream(cert));
        System.out.println (good.getSubjectX500Principal().getName());
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