added message digest module

quarkus-message-digest-service/src/main/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestConfiguration.java

@@ -0,0 +1,12 @@
+package ch.phoenixtechnologies.quarkus.commons.digest;
+
+import io.smallrye.config.ConfigMapping;
+import io.smallrye.config.WithDefault;
+
+@ConfigMapping(prefix = "phoenix.message-digest")
+public interface MessageDigestConfiguration {
+
+    @WithDefault("SHA-256")
+    String defaultAlgorithm();
+
+}

quarkus-message-digest-service/src/main/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestService.java

@@ -0,0 +1,66 @@
+package ch.phoenixtechnologies.quarkus.commons.digest;
+
+import java.nio.charset.Charset;
+import java.security.MessageDigest;
+
+/**
+ * Service for creating and using MessageDigest instances.
+ * <p>
+ * To configure the default algorithm, see {@link MessageDigestConfiguration}.
+ */
+public interface MessageDigestService {
+
+    /**
+     * Get a new MessageDigest instance using the configured algorithm.
+     *
+     * @return The MessageDigest instance
+     */
+    MessageDigest getInstance();
+
+    /**
+     * Get a new MessageDigest instance using the specified algorithm.
+     *
+     * @param algorithm the algorithm to use
+     * @return The MessageDigest instance
+     */
+    MessageDigest getInstance(String algorithm);
+
+    /**
+     * Digests the input using the default charset (UTF-8) and
+     * the configured algorithm.
+     *
+     * @param input the input to digest
+     * @return the digest
+     */
+    byte[] digest(String input);
+
+    /**
+     * Digests the input using the specified charset and
+     * the configured algorithm.
+     *
+     * @param input   the input to digest
+     * @param charset the charset to use
+     * @return the digest
+     */
+    byte[] digest(String input, Charset charset);
+
+    /**
+     * Digests the input using the specified charset and algorithm.
+     *
+     * @param input     the input to digest
+     * @param charset   the charset to use
+     * @param algorithm the algorithm to use
+     * @return the digest
+     */
+    byte[] digest(String input, Charset charset, String algorithm);
+
+    /**
+     * Digests the input using the specified charset and message digest.
+     *
+     * @param input         the input to digest
+     * @param charset       the charset to use
+     * @param messageDigest the message digest to use
+     * @return the digest
+     */
+    byte[] digest(String input, Charset charset, MessageDigest messageDigest);
+}

quarkus-message-digest-service/src/main/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestServiceImpl.java

@@ -0,0 +1,55 @@
+package ch.phoenixtechnologies.quarkus.commons.digest;
+
+import io.quarkus.arc.DefaultBean;
+import jakarta.enterprise.context.ApplicationScoped;
+
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+@DefaultBean
+@ApplicationScoped
+class MessageDigestServiceImpl implements MessageDigestService {
+
+    private final MessageDigestConfiguration configuration;
+
+    MessageDigestServiceImpl(MessageDigestConfiguration configuration) {
+        this.configuration = configuration;
+    }
+
+    @Override
+    public MessageDigest getInstance() {
+        return getInstance(configuration.defaultAlgorithm());
+    }
+
+    @Override
+    public MessageDigest getInstance(String algorithm) {
+        try {
+            return MessageDigest.getInstance(algorithm);
+        } catch (NoSuchAlgorithmException e) {
+            throw new IllegalArgumentException("Unknown algorithm: " + algorithm, e);
+        }
+    }
+
+    @Override
+    public byte[] digest(String input) {
+        return digest(input, StandardCharsets.UTF_8);
+    }
+
+    @Override
+    public byte[] digest(String input, Charset charset) {
+        return digest(input, charset, configuration.defaultAlgorithm());
+    }
+
+    @Override
+    public byte[] digest(String input, Charset charset, String algorithm) {
+        return digest(input, charset, getInstance(algorithm));
+    }
+
+    @Override
+    public byte[] digest(String input, Charset charset, MessageDigest messageDigest) {
+        var bytes = input.getBytes(StandardCharsets.UTF_8);
+        return messageDigest.digest(bytes);
+    }
+}