diff --git a/pom.xml b/pom.xml
index 521e405..10c2e5a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,6 +10,7 @@
 
     <modules>
         <module>quarkus-clock-service</module>
+        <module>quarkus-message-digest-service</module>
         <module>quarkus-random-number-generator</module>
         <module>quarkus-uuid-generator</module>
     </modules>
diff --git a/quarkus-message-digest-service/pom.xml b/quarkus-message-digest-service/pom.xml
new file mode 100644
index 0000000..540a21b
--- /dev/null
+++ b/quarkus-message-digest-service/pom.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>ch.phoenixtechnologies.quarkus</groupId>
+        <artifactId>quarkus-commons</artifactId>
+        <version>0.1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>quarkus-message-digest-service</artifactId>
+    <packaging>jar</packaging>
+
+</project>
diff --git a/quarkus-message-digest-service/src/main/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestConfiguration.java b/quarkus-message-digest-service/src/main/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestConfiguration.java
new file mode 100644
index 0000000..6720b90
--- /dev/null
+++ b/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();
+
+}
diff --git a/quarkus-message-digest-service/src/main/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestService.java b/quarkus-message-digest-service/src/main/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestService.java
new file mode 100644
index 0000000..de1f2a5
--- /dev/null
+++ b/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);
+}
diff --git a/quarkus-message-digest-service/src/main/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestServiceImpl.java b/quarkus-message-digest-service/src/main/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestServiceImpl.java
new file mode 100644
index 0000000..eb3e749
--- /dev/null
+++ b/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);
+    }
+}
diff --git a/quarkus-message-digest-service/src/test/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestServiceImplTest.java b/quarkus-message-digest-service/src/test/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestServiceImplTest.java
new file mode 100644
index 0000000..42647b5
--- /dev/null
+++ b/quarkus-message-digest-service/src/test/java/ch/phoenixtechnologies/quarkus/commons/digest/MessageDigestServiceImplTest.java
@@ -0,0 +1,81 @@
+package ch.phoenixtechnologies.quarkus.commons.digest;
+
+import io.quarkus.test.junit.QuarkusTest;
+import jakarta.inject.Inject;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy;
+
+@QuarkusTest
+class MessageDigestServiceImplTest {
+
+    public static final String INPUT = "test";
+    public static final byte[] EXPECTED_SHA256_DIGEST = {-97, -122, -48, -127, -120, 76, 125, 101, -102, 47, -22, -96, -59, 90, -48, 21, -93, -65, 79, 27, 43, 11, -126, 44, -47, 93, 108, 21, -80, -16, 10, 8};
+
+    @Inject
+    MessageDigestServiceImpl service;
+
+    @Test
+    void getInstance() {
+        assertThat(service.getInstance())
+                .isInstanceOf(MessageDigest.class);
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = {"SHA-256", "SHA-512", "MD5"})
+    void getInstanceWithAlgorithm(String algorithm) {
+        assertThat(service.getInstance(algorithm))
+                .isInstanceOf(MessageDigest.class);
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = {"ADBC", "acvb", "null"})
+    void getInstanceWhenUnknownAlgorithm(String algorithm) {
+        assertThatThrownBy(() -> service.getInstance(algorithm))
+                .isInstanceOf(IllegalArgumentException.class)
+                .hasMessageContaining("Unknown algorithm: " + algorithm);
+    }
+
+    @Test
+    void getInstanceWhenAlgorithmIsNull() {
+        assertThatThrownBy(() -> service.getInstance(null))
+                .isInstanceOf(NullPointerException.class)
+                .hasMessageContaining("null algorithm name");
+    }
+
+    @Test
+    void digest() {
+        assertThat(service.digest(INPUT))
+                .as("Digest should match expected value")
+                .isEqualTo(EXPECTED_SHA256_DIGEST);
+    }
+
+    @Test
+    void digestWithCharset() {
+        assertThat(service.digest(INPUT, StandardCharsets.UTF_8))
+                .as("Digest should match expected value")
+                .isEqualTo(EXPECTED_SHA256_DIGEST);
+
+    }
+
+    @Test
+    void digestWithCharsetAndAlgorithm() {
+        assertThat(service.digest(INPUT, StandardCharsets.UTF_8, "SHA-256"))
+                .as("Digest should match expected value")
+                .isEqualTo(EXPECTED_SHA256_DIGEST);
+    }
+
+    @Test
+    void digestWithCharsetAndMessageDigestInstance() {
+        var messageDigest = service.getInstance();
+        assertThat(service.digest(INPUT, StandardCharsets.UTF_8, messageDigest))
+                .as("Digest should match expected value")
+                .isEqualTo(EXPECTED_SHA256_DIGEST);
+    }
+}
\ No newline at end of file