FIPS (#168)

* IJ

* Working

---------

Co-authored-by: Brady Wied <brady.wied@fusionauth.io>

Author: voidmain

fusionauth-java-client.iml

@@ -2,13 +2,14 @@
 <module type="JAVA_MODULE" version="4">
   <component name="FacetManager">
     <facet type="Python" name="Python">
-      <configuration sdkName="" />
+      <configuration sdkName="Python 3.12" />
     </facet>
   </component>
   <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
     <output url="file://$MODULE_DIR$/build/classes/main" />
     <output-test url="file://$MODULE_DIR$/build/classes/test" />
     <exclude-output />
+    <content url="file://$MODULE_DIR$/../fusionauth-ij/queries" />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
@@ -139,6 +140,6 @@
         </SOURCES>
       </library>
     </orderEntry>
+    <orderEntry type="library" name="Python 3.12 interpreter library" level="application" />
   </component>
-</module>
-
+</module>

src/main/java/io/fusionauth/domain/FIPS.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2025-2025, FusionAuth, All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the License.
+ */
+package io.fusionauth.domain;
+
+/**
+ * Determines if FusionAuth is in FIPS mode based on the system property <code>fusionauth.fips.enabled</code>. This can only be enabled once and
+ * should be enabled when the VM starts or as close to that point as possible.
+ * <p>
+ * Once this has been enabled, it cannot be disabled.
+ * <p>
+ * This also provides some helpers for FIPS things such as password length requirements.
+ *
+ * @author Brian Pontarelli & Daniel DeGroff
+ */
+public class FIPS {
+  public static final int FIPS_MIN_PASSWORD_LENGTH = 14;
+
+  public static final int STANDARD_MIN_PASSWORD_LENGTH = 8;
+
+  private static volatile Boolean Enabled;
+
+  /**
+   * Lazily determines if the System configuration is set to enable FIPS mode. This is done on the first call to this method. Subsequent calls return
+   * the cached value, regardless of the System properties changing.
+   *
+   * @return Whether or not FIPS is enabled.
+   */
+  public static boolean isEnabled() {
+    if (Enabled != null) {
+      return Enabled;
+    }
+
+    Enabled = Boolean.getBoolean("fusionauth.fips.enabled");
+    return Boolean.TRUE.equals(Enabled);
+  }
+
+  /**
+   * Returns the minimum password length requirement, which depends on whether FusionAuth is operating in FIPS mode.
+   * If FIPS mode is enabled, the minimum password length will be {@code FIPS_MIN_PASSWORD_LENGTH}.
+   * Otherwise, the minimum password length will be {@code STANDARD_MIN_PASSWORD_LENGTH}.
+   *
+   * @return The minimum password length, either {@code FIPS_MIN_PASSWORD_LENGTH} when FIPS mode is enabled or {@code STANDARD_MIN_PASSWORD_LENGTH}
+   * when it is not.
+   */
+  public static int minimumPasswordLength() {
+    return isEnabled() ? FIPS_MIN_PASSWORD_LENGTH : STANDARD_MIN_PASSWORD_LENGTH;
+  }
+}

src/main/java/io/fusionauth/domain/PasswordValidationRules.java

@@ -28,7 +28,7 @@ public class PasswordValidationRules implements Buildable<PasswordValidationRule
 
   public int maxLength = 256;
 
-  public int minLength = 8;
+  public int minLength;
 
   public RememberPreviousPasswords rememberPreviousPasswords = new RememberPreviousPasswords();
 
@@ -45,6 +45,7 @@ public class PasswordValidationRules implements Buildable<PasswordValidationRule
 
   @JacksonConstructor
   public PasswordValidationRules() {
+    this.minLength = FIPS.minimumPasswordLength();
   }
 
   public PasswordValidationRules(PasswordValidationRules other) {