As title, How to Calculate Fingerprint From SSH RSA Public Key in Java? I got an rsaPublicKey object from sample.pub and I calculated the fingerprint by using library Apache Commons Codec DigestUt...

I am running the following command with java 9 : keytool -keystore NONE -storetype PKCS11 -providerClass sun.security.pkcs11.SunPKCS11 -providerArg pkcs11conf -list and get the flowing error...

I need to convert a .cer file to a .jks file. I saw a few questions about it, but haven't seen a solution to what I need. I don't need it in order to add it to my local certificates, but as a file...

I'm looking for Java's equivalent of .NET's SecureString.aspx. Is there such implementation available in 2018? OWASP implementation is not exactly the same because it's just a plain char array. Wh...

There are my current providers: 0 - Provider name: SUN 1 - Provider namer: SunRsaSign 2 - Provider name: SunEC ... 9 - Provider name: SunPKCS11-CartaoCidadao The ninth provider is th...

I'm trying to get myself familiar with the SecurityManager but even this simple scenario fails. When I run the following from inside my IDE or from command line I get the following exception; acce...

I have a JWT which is signed using Elliptic Curve ES256 am trying to validate it: eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6IjEyMzQifQ.eyJpc3MiOiJodHRwczovL2p3dC1pZHAuZXhhbXBsZS5jb20iLCJzdWIiOiJt...

In guideline 9-11 / ACCESS-11 Be aware java.lang.reflect.Method.invoke is ignored for checking the immediate caller of the Secure Coding Guidelines for Java SE, it is stated that the Method.invok...

I trying to open PKCS#12 file, but because password is not ASCII (contains polish characters) I getting "Password is not ASCII" exception when executing KeyStore.load(). Is there any solution to us...

i am working in a startup company providing software services and recently we have set security standards for encryption. For hashing, the standards that were set was we should use SHA-512 or SHA-2...

I try to append security properties to java.security. Hence I add a property "java.security.properties" specifying the file to be appended. I checked that security.overridePropertiesFile ...

I have the following lines to get the private key from key store on Android KeyStore keyStore = KeyStore.getInstance("AndroidKeyStore"); keyStore.load(null); // generating key pair code omitted ...

I need to generate a cert and can't find this directory. Thanks!

I have to access one https rest web service(https://example.com) for which certificate has been provided by the client which contains 2 .cer files. I have created keystore.jks and truststore.jks ...

During an attempt to upgrade one of my applications from java 8 to java 11, I run into a weird SSL exception about "unable to find valid certification" the provisioning of this application overwri...

In our app we've been having issues with data in the Android Keystore suddenly becoming inaccessible. The specific exception we're seeing is here: java.security.UnrecoverableKeyException: Failed to...

I started my Tomcat 9.0 on Windows 10 with: -Djava.security.manager -Djava.security.policy==C:\Program Files\Apache Software Foundation\Tomcat 9.0\conf\catalina.policy -Djava.security.debug=access...

I am trying to create public base64 key from RSA Private key using Security framework. Here is snippet. let tag = "com.example.keys.mykey" public extension SecKey { static func generateBase64Enco...

I've got one ClassLoader for trusted application code and a seperate ClassLoader for user-submitted (untrusted) code. I want the user-submitted code to be restricted by the Security Manager. How d...

I implemented a Java program that will connect and execute a command in a remote server using JSCH. The problem is that whenever I tried to connect to the server, I got the following exception: co...

I need to use a public key to verify some data in Java, but I can't seem to format the key in such a way that Java can use without third-party plugins. I'm generating the key with Node.js's crypto...

The following code throws an error in JDK 11: HttpURLConnection con = (HttpURLConnection) new URL("https://sis.redsys.es/sis/realizarPago").openConnection(); con.setRequestMethod("GET"); con.ge...

There are a lot of questions asking if a specific initiation of SecureRandom is "good", but I couldn't find a rule of thumb. What's the best way to create a "good" random SecureRandom? // Fast //...

I have an unencrypted PKCS8 encoded file that represents a Private Key. It can be any of these private key types - RSA, DSA or EC. I viewed these files in an ASN1 decoder (https://lapo.it/asn1js/) ...

I have tachograph company card which is used to get the client authenticated before allowing him to download the data of the tachograph by the remote download. The used APDU command in my code belo...