java.security | Baeldung

Resolving Security Exception: java.security.UnrecoverableKeyException: Cannot Recover Key

Learn everything you need to know about java.security.UnrecoverableKeyException – what causes it and how to fix it.

The java.security.egd JVM Option

The java.security.egd JVM startup property affects how the SecureRandom class initializes. Let’s explore how changing its value impacts our code.

Generating Unique Positive Long Using SecureRandom in Java

Learn how to use SecureRandom to generate unique positive values in Java.

Securing Spring Boot 3 Applications With SSL Bundles

Explore the new SSL Bundles feature of Spring Boot 3 and learn how it can streamline SSL configuration tasks for Spring Boot applications.

Check if Certificate Is Self-Signed or CA-Signed With Java

Learn how to determine if a certificate is self-signed or signed by a trusted Certificate Authority (CA).

Custom DLL Load – Fixing the “java.lang.UnsatisfiedLinkError” Error

Explore common causes like incorrect library names, missing directory specifications, and incompatible architectures. Implement solutions such as setting java.library.path and using proper classloaders to resolve this error effectively.

Hex Representation of a SHA-1 Digest of a String in Java

Learn three different ways to generate the hex representation of a SHA-1 digest of a string in Java.

Common Exceptions of Crypto APIs in Java

A quick and practical guide to some common exceptions that can occur while working with encryption in Java.

TLS Setup in MySQL and Spring Boot Application

Learn how to enable a secure connection on a MySQL server.

Generate the MD5 Checksum for a File in Java

A quick and practical guide to generating the MD5 checksum for files in Java.

Java HttpClient With SSL

Learn how to use the Java HttpClient to connect to HTTPS URLs and also find out how to bypass certificate verification in non-production environments.

Error: “trustAnchors parameter must be non-empty”

Learn the reasons for the error: “java.security.InvalidAlgorithmParameterException: trustAnchors parameter must be non-empty” and how to fix it

Javadoc: @see, @link, and @inheritDoc

A comparison between the @see and @link Javadoc annotations.

Generating a Secure AES Key in Java

A quick and practical guide to generating a secure AES key in Java.

Trusting All Certificates in OkHttp

Learn how to create an OkHttpClient and configure it to trust all certificates — not the best practice in production, but you may need it from time to time during development or testing.