This article will detail how to troubleshoot and correct the java keystore pkcs12 legacy issues with keystores generated with newer cryptographic algorithms and older versions of Java. If you have encountered these issues with OpenSSL instead of the Java keytool, read our article specifically for … [Read more...] about java keystore pkcs12 legacy
openssl pkcs12 legacy
With OpenSSL v3.x, newer cryptographic algorithms are used that may not be supported in older versions of Java, Windows, etc and will require the openssl pkcs12 legacy option. The -legacy option is useful and even required when creating a pkcs12 keystore for use in older operating systems and … [Read more...] about openssl pkcs12 legacy
openssl verify – Verify a certificate and certificate chain
Use the openssl verify function to verify a certificate chain. To verify a certificate chain you must first get the certificate chain to verify against. openssl verify certificate chain To verify a certificate and its chain for a given website with OpenSSL, run the following … [Read more...] about openssl verify – Verify a certificate and certificate chain
Java encryption – Encryption with Java
Java encryption can be achieved in many different ways and methods and also with third party libraries and dependencies. This article will attempt to dive in a few of these areas, and will hopefully increase your knowledge of encryption with java. The examples are all at our github repo. … [Read more...] about Java encryption – Encryption with Java
Java Invalid Signature File
The purpose of this article is to explain the Java Invalid Signature File error you may encounter when running a java jar file. When building a jar file that contains other jar files with standard build tools you should not encounter this error. However, you may encounter the error when using the … [Read more...] about Java Invalid Signature File
Java read private key from file
This article will demonstrate how to in Java read private key from file. Let us assume that you have a pem encoded RSA private key in a file that you want to load into the Java PrivateKey object. The first two steps are for generating a private key and storing it in a file. Skip to step 3 if you … [Read more...] about Java read private key from file
How to run a Java process in Docker
The purpose of this article is to demonstrate how to run a Java process in Docker. Java can be developed in congruence with a number of frameworks, but that isn't necessary in every case. Out of the box Java supports the execution of a scheduled task with just a packaged jar (Java archive) file. To … [Read more...] about How to run a Java process in Docker