diff --git a/checkstyle.xml b/checkstyle.xml
index 5d8c0e3..33e1f53 100644
--- a/checkstyle.xml
+++ b/checkstyle.xml
@@ -1,4 +1,24 @@
 <?xml version="1.0"?>
+<!--
+  ========================LICENSE_START=================================
+  Hyperledger Quilt Dev-Ops Tools
+  %%
+  Copyright (C) 2017 - 2018 Hyperledger and its contributors
+  %%
+  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.
+  =========================LICENSE_END==================================
+  -->
+
 <!DOCTYPE module PUBLIC
     "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
     "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
@@ -38,7 +58,7 @@
     <module name="IllegalTokenText">
       <property name="tokens" value="STRING_LITERAL, CHAR_LITERAL"/>
       <property name="format"
-                value="\\u00(08|09|0(a|A)|0(c|C)|0(d|D)|22|27|5(C|c))|\\(0(10|11|12|14|15|42|47)|134)"/>
+          value="\\u00(08|09|0(a|A)|0(c|C)|0(d|D)|22|27|5(C|c))|\\(0(10|11|12|14|15|42|47)|134)"/>
       <property name="message" value="Avoid using corresponding octal or Unicode escape."/>
     </module>
     <module name="AvoidEscapedUnicodeCharacters">
@@ -65,7 +85,7 @@
     <module name="RightCurly">
       <property name="option" value="alone"/>
       <property name="tokens"
-                value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_FOR, LITERAL_WHILE, LITERAL_DO, STATIC_INIT, INSTANCE_INIT"/>
+          value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_FOR, LITERAL_WHILE, LITERAL_DO, STATIC_INIT, INSTANCE_INIT"/>
     </module>
     <module name="WhitespaceAround">
       <property name="allowEmptyConstructors" value="true"/>
@@ -73,9 +93,9 @@
       <property name="allowEmptyTypes" value="true"/>
       <property name="allowEmptyLoops" value="true"/>
       <message key="ws.notFollowed"
-               value="WhitespaceAround: ''{0}'' is not followed by whitespace. Empty blocks may only be represented as '{}' when not part of a multi-block statement (4.1.3)"/>
+          value="WhitespaceAround: ''{0}'' is not followed by whitespace. Empty blocks may only be represented as '{}' when not part of a multi-block statement (4.1.3)"/>
       <message key="ws.notPreceded"
-               value="WhitespaceAround: ''{0}'' is not preceded with whitespace."/>
+          value="WhitespaceAround: ''{0}'' is not preceded with whitespace."/>
     </module>
     <module name="OneStatementPerLine"/>
     <module name="MultipleVariableDeclarations"/>
@@ -98,49 +118,49 @@
     <module name="PackageName">
       <property name="format" value="^[a-z]+(\.[a-z][a-z0-9]*)*$"/>
       <message key="name.invalidPattern"
-               value="Package name ''{0}'' must match pattern ''{1}''."/>
+          value="Package name ''{0}'' must match pattern ''{1}''."/>
     </module>
     <module name="TypeName">
       <message key="name.invalidPattern"
-               value="Type name ''{0}'' must match pattern ''{1}''."/>
+          value="Type name ''{0}'' must match pattern ''{1}''."/>
     </module>
     <module name="MemberName">
       <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
       <message key="name.invalidPattern"
-               value="Member name ''{0}'' must match pattern ''{1}''."/>
+          value="Member name ''{0}'' must match pattern ''{1}''."/>
     </module>
     <module name="ParameterName">
       <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
       <message key="name.invalidPattern"
-               value="Parameter name ''{0}'' must match pattern ''{1}''."/>
+          value="Parameter name ''{0}'' must match pattern ''{1}''."/>
     </module>
     <module name="LocalVariableName">
       <property name="tokens" value="VARIABLE_DEF"/>
       <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
       <property name="allowOneCharVarInForLoop" value="true"/>
       <message key="name.invalidPattern"
-               value="Local variable name ''{0}'' must match pattern ''{1}''."/>
+          value="Local variable name ''{0}'' must match pattern ''{1}''."/>
     </module>
     <module name="ClassTypeParameterName">
       <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>
       <message key="name.invalidPattern"
-               value="Class type name ''{0}'' must match pattern ''{1}''."/>
+          value="Class type name ''{0}'' must match pattern ''{1}''."/>
     </module>
     <module name="MethodTypeParameterName">
       <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>
       <message key="name.invalidPattern"
-               value="Method type name ''{0}'' must match pattern ''{1}''."/>
+          value="Method type name ''{0}'' must match pattern ''{1}''."/>
     </module>
     <module name="NoFinalizer"/>
     <module name="GenericWhitespace">
       <message key="ws.followed"
-               value="GenericWhitespace ''{0}'' is followed by whitespace."/>
+          value="GenericWhitespace ''{0}'' is followed by whitespace."/>
       <message key="ws.preceded"
-               value="GenericWhitespace ''{0}'' is preceded with whitespace."/>
+          value="GenericWhitespace ''{0}'' is preceded with whitespace."/>
       <message key="ws.illegalFollow"
-               value="GenericWhitespace ''{0}'' should followed by whitespace."/>
+          value="GenericWhitespace ''{0}'' should followed by whitespace."/>
       <message key="ws.notPreceded"
-               value="GenericWhitespace ''{0}'' is not preceded with whitespace."/>
+          value="GenericWhitespace ''{0}'' is not preceded with whitespace."/>
     </module>
     <module name="Indentation">
       <property name="basicOffset" value="2"/>
@@ -160,13 +180,13 @@
       <property name="specialImportsRegExp" value="org.interledger"/>
       <property name="sortImportsInGroupAlphabetically" value="true"/>
       <property name="customImportOrderRules"
-                value="STATIC###SPECIAL_IMPORTS###THIRD_PARTY_PACKAGE###STANDARD_JAVA_PACKAGE"/>
+          value="STATIC###SPECIAL_IMPORTS###THIRD_PARTY_PACKAGE###STANDARD_JAVA_PACKAGE"/>
     </module>
     <module name="MethodParamPad"/>
     <module name="OperatorWrap">
       <property name="option" value="NL"/>
       <property name="tokens"
-                value="BAND, BOR, BSR, BXOR, DIV, EQUAL, GE, GT, LAND, LE, LITERAL_INSTANCEOF, LOR, LT, MINUS, MOD, NOT_EQUAL, PLUS, QUESTION, SL, SR, STAR "/>
+          value="BAND, BOR, BSR, BXOR, DIV, EQUAL, GE, GT, LAND, LE, LITERAL_INSTANCEOF, LOR, LT, MINUS, MOD, NOT_EQUAL, PLUS, QUESTION, SL, SR, STAR "/>
     </module>
     <module name="AnnotationLocation">
       <property name="tokens" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF"/>
@@ -179,7 +199,7 @@
     <module name="JavadocTagContinuationIndentation"/>
     <module name="SummaryJavadocCheck">
       <property name="forbiddenSummaryFragments"
-                value="^@return the *|^This method returns |^A [{]@code [a-zA-Z0-9]+[}]( is a )"/>
+          value="^@return the *|^This method returns |^A [{]@code [a-zA-Z0-9]+[}]( is a )"/>
     </module>
     <module name="JavadocParagraph"/>
     <module name="AtclauseOrder">
@@ -198,7 +218,7 @@
     <module name="MethodName">
       <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$"/>
       <message key="name.invalidPattern"
-               value="Method name ''{0}'' must match pattern ''{1}''."/>
+          value="Method name ''{0}'' must match pattern ''{1}''."/>
     </module>
     <module name="SingleLineJavadoc">
       <property name="ignoreInlineTags" value="false"/>
@@ -207,5 +227,7 @@
       <property name="exceptionVariableName" value="expected"/>
     </module>
     <module name="CommentsIndentation"/>
+    <module name="SuppressWarningsHolder"/>
   </module>
+  <module name="SuppressWarningsFilter"/>
 </module>
diff --git a/crypto-conditions/src/test/java/com/ripple/cryptoconditions/PreimageSha256FulfillmentTest.java b/crypto-conditions/src/test/java/com/ripple/cryptoconditions/PreimageSha256FulfillmentTest.java
index 97015d7..6f0a690 100644
--- a/crypto-conditions/src/test/java/com/ripple/cryptoconditions/PreimageSha256FulfillmentTest.java
+++ b/crypto-conditions/src/test/java/com/ripple/cryptoconditions/PreimageSha256FulfillmentTest.java
@@ -87,13 +87,13 @@ public final void testNullPreimage() {
    */
   @Test
   public final void testSmallToLargePreimage() {
-    for (int PREIMAGE_LENGTH = 0; PREIMAGE_LENGTH < 100; PREIMAGE_LENGTH++) {
-      // Fill the array with PREIMAGE_LENGTH bytes...
-      final byte[] preimageBytes = new byte[PREIMAGE_LENGTH];
+    for (int preimageLength = 0; preimageLength < 100; preimageLength++) {
+      // Fill the array with preimageLength bytes...
+      final byte[] preimageBytes = new byte[preimageLength];
       new SecureRandom().nextBytes(preimageBytes);
 
       final PreimageSha256Fulfillment fulfillment = PreimageSha256Fulfillment.from(preimageBytes);
-      assertThat(fulfillment.getDerivedCondition().getCost(), is(Long.valueOf(PREIMAGE_LENGTH)));
+      assertThat(fulfillment.getDerivedCondition().getCost(), is(Long.valueOf(preimageLength)));
       assertTrue("Invalid condition", fulfillment.verify(fulfillment.getDerivedCondition(), new byte[]{}));
     }
   }
@@ -120,8 +120,7 @@ public final void testValidateWithDifferentConditionType() {
         TestConditionFactory.constructPrefixSha256Condition("invalid"), new byte[]{})
     );
 
-    final Fulfillment actual = narrowlyTypedActual;
-    assertFalse("Invalid condition", actual.verify(
+    assertFalse("Invalid condition", narrowlyTypedActual.verify(
         TestConditionFactory.constructPrefixSha256Condition("invalid"), new byte[]{})
     );
   }
diff --git a/crypto-conditions/src/test/java/com/ripple/cryptoconditions/ThresholdFactoryTest.java b/crypto-conditions/src/test/java/com/ripple/cryptoconditions/ThresholdFactoryTest.java
index b9359a3..7cfb031 100644
--- a/crypto-conditions/src/test/java/com/ripple/cryptoconditions/ThresholdFactoryTest.java
+++ b/crypto-conditions/src/test/java/com/ripple/cryptoconditions/ThresholdFactoryTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -147,7 +147,7 @@ public void twoOfTwoCondition() {
   }
 
   @Test(expected = NullPointerException.class)
-  public void mOfNWithNullSubConditionsList() {
+  public void mkeysOfnWithNullSubConditionsList() {
     try {
       ThresholdFactory.constructMOfNCondition(1, 2, null);
     } catch (NullPointerException e) {
@@ -157,7 +157,7 @@ public void mOfNWithNullSubConditionsList() {
   }
 
   @Test(expected = IllegalArgumentException.class)
-  public void mOfNWithNegativeThreshold() {
+  public void mkeysOfnWithNegativeThreshold() {
     try {
       ThresholdFactory
           .constructMOfNCondition(-1, 2, Lists.newArrayList(subcondition1, subcondition2));
@@ -168,7 +168,7 @@ public void mOfNWithNegativeThreshold() {
   }
 
   @Test
-  public void mOfNWithZeroThreshold() {
+  public void mkeysOfnWithZeroThreshold() {
     // Create a control threshold fulfillment that has no fulfillments (0) to satisfy the
     // threshold of a 0-of-3 condition.
     final ThresholdSha256Fulfillment thresholdFulfillment = ThresholdSha256Fulfillment.from(
@@ -183,7 +183,7 @@ public void mOfNWithZeroThreshold() {
   }
 
   @Test(expected = IllegalArgumentException.class)
-  public void mOfNWithIncorrectNumSubConditions() {
+  public void mkeysOfnWithIncorrectNumSubConditions() {
     try {
       ThresholdFactory.constructMOfNCondition(0, 2, Lists.newArrayList(subcondition1));
     } catch (IllegalArgumentException e) {
@@ -196,7 +196,7 @@ public void mOfNWithIncorrectNumSubConditions() {
    * Test {@link ThresholdFactory#constructMOfNCondition(int, int, List)}.
    */
   @Test
-  public void mOfNConditionTest() {
+  public void mkeysOfnConditionTest() {
 
     // Create a control threshold fulfillment that has enough fulfillments (3) to satisfy the
     // threshold of a 3-of-5 condition.
@@ -420,7 +420,7 @@ public void twoOfTwoFulfillment() {
   }
 
   @Test(expected = NullPointerException.class)
-  public void mOfNFulfillmentWithFirstNull() {
+  public void mkeysOfnFulfillmentWithFirstNull() {
     try {
       ThresholdFactory.constructMOfNFulfillment(1, 2, null, Lists.newArrayList());
     } catch (NullPointerException e) {
@@ -430,7 +430,7 @@ public void mOfNFulfillmentWithFirstNull() {
   }
 
   @Test(expected = NullPointerException.class)
-  public void mOfNFulfillmentWithSecondNull() {
+  public void mkeysOfnFulfillmentWithSecondNull() {
     try {
       ThresholdFactory.constructMOfNFulfillment(1, 2, Lists.newArrayList(), null);
     } catch (NullPointerException e) {
@@ -440,7 +440,7 @@ public void mOfNFulfillmentWithSecondNull() {
   }
 
   @Test(expected = IllegalArgumentException.class)
-  public void mOfNFulfillmenttsWithNegativeThreshold() {
+  public void mkeysOfnFulfillmenttsWithNegativeThreshold() {
     try {
       ThresholdFactory.constructMOfNFulfillment(-1, 2, Lists.newArrayList(),
           Lists.newArrayList(subfulfillment1, subfulfillment2));
@@ -451,7 +451,7 @@ public void mOfNFulfillmenttsWithNegativeThreshold() {
   }
 
   @Test(expected = IllegalArgumentException.class)
-  public void mOfNFulfillmentWithIncorrectTotalN() {
+  public void mkeysOfnFulfillmentWithIncorrectTotalN() {
     try {
       ThresholdFactory.constructMOfNFulfillment(1, 2,
           Lists.newArrayList(),
@@ -469,7 +469,7 @@ public void mOfNFulfillmentWithIncorrectTotalN() {
    * pair.
    */
   @Test
-  public void mOfNFulfillmentForOneOfTwo() {
+  public void mkeysOfnFulfillmentForOneOfTwo() {
 
     // The condition to fulfill...
     final ThresholdSha256Condition thresholdCondition = ThresholdSha256Condition.from(
diff --git a/crypto-conditions/src/test/java/com/ripple/cryptoconditions/helpers/TestFulfillmentFactory.java b/crypto-conditions/src/test/java/com/ripple/cryptoconditions/helpers/TestFulfillmentFactory.java
index 957797f..f6f4a23 100644
--- a/crypto-conditions/src/test/java/com/ripple/cryptoconditions/helpers/TestFulfillmentFactory.java
+++ b/crypto-conditions/src/test/java/com/ripple/cryptoconditions/helpers/TestFulfillmentFactory.java
@@ -60,14 +60,14 @@ public static PreimageSha256Fulfillment constructPreimageFulfillment(final Strin
    */
   public static PrefixSha256Fulfillment constructPrefixSha256Fulfillment(final String prefix) {
     return PrefixSha256Fulfillment
-      .from(prefix.getBytes(), 1000, constructPreimageFulfillment(PREIMAGE1));
+        .from(prefix.getBytes(), 1000, constructPreimageFulfillment(PREIMAGE1));
   }
 
   /**
    * Helper to construct a {@link RsaSha256Fulfillment} with a known public key.
    */
   public static RsaSha256Fulfillment constructRsaSha256Fulfillment(
-    final KeyPair rsaKeyPair
+      final KeyPair rsaKeyPair
   ) {
     try {
       final Signature rsaSigner = Signature.getInstance("SHA256withRSA/PSS");
@@ -85,8 +85,8 @@ public static RsaSha256Fulfillment constructRsaSha256Fulfillment(
    * corresponding private key.
    */
   public static RsaSha256Fulfillment constructRsaSha256Fulfillment(
-    final RSAPublicKey rsaPublicKey,
-    final byte[] signature
+      final RSAPublicKey rsaPublicKey,
+      final byte[] signature
   ) {
     return RsaSha256Fulfillment.from(rsaPublicKey, signature);
   }
@@ -103,8 +103,8 @@ public static Ed25519Sha256Fulfillment constructEd25519Sha256Fulfillment(final K
       byte[] edDsaSignature = edDsaSigner.sign();
 
       return constructEd25519Sha256Fulfillment(
-        (EdDSAPublicKey) ed25519KeyPair.getPublic(),
-        edDsaSignature
+          (EdDSAPublicKey) ed25519KeyPair.getPublic(),
+          edDsaSignature
       );
     } catch (NoSuchAlgorithmException | SignatureException | InvalidKeyException e) {
       throw new RuntimeException(e);
@@ -116,7 +116,7 @@ public static Ed25519Sha256Fulfillment constructEd25519Sha256Fulfillment(final K
    * corresponding private key.
    */
   public static Ed25519Sha256Fulfillment constructEd25519Sha256Fulfillment(
-    final EdDSAPublicKey edDsaPublicKey, final byte[] signature
+      final EdDSAPublicKey edDsaPublicKey, final byte[] signature
   ) {
     return Ed25519Sha256Fulfillment.from(edDsaPublicKey, signature);
   }
@@ -126,12 +126,12 @@ public static Ed25519Sha256Fulfillment constructEd25519Sha256Fulfillment(
    */
   public static ThresholdSha256Fulfillment constructThresholdFulfillment() {
     return ThresholdSha256Fulfillment.from(
-      Lists.newArrayList(TestConditionFactory
-        .constructRsaSha256Condition(TestKeyFactory.constructRsaPublicKey(RSA_MODULUS))),
-      Lists.newArrayList(
-        TestFulfillmentFactory.constructPreimageFulfillment(PREIMAGE1),
-        TestFulfillmentFactory.constructPrefixSha256Fulfillment(PREFIX1)
-      )
+        Lists.newArrayList(TestConditionFactory
+            .constructRsaSha256Condition(TestKeyFactory.constructRsaPublicKey(RSA_MODULUS))),
+        Lists.newArrayList(
+            TestFulfillmentFactory.constructPreimageFulfillment(PREIMAGE1),
+            TestFulfillmentFactory.constructPrefixSha256Fulfillment(PREFIX1)
+        )
     );
   }
 }
diff --git a/jackson-datatype-cryptoconditions/src/main/java/com/ripple/cryptoconditions/jackson/ConditionDeserializer.java b/jackson-datatype-cryptoconditions/src/main/java/com/ripple/cryptoconditions/jackson/ConditionDeserializer.java
index 17ddad9..edbec9d 100644
--- a/jackson-datatype-cryptoconditions/src/main/java/com/ripple/cryptoconditions/jackson/ConditionDeserializer.java
+++ b/jackson-datatype-cryptoconditions/src/main/java/com/ripple/cryptoconditions/jackson/ConditionDeserializer.java
@@ -9,9 +9,9 @@
  * 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.
diff --git a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/Ed25519Sha256ConditionCryptoConditionModuleTest.java b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/Ed25519Sha256ConditionCryptoConditionModuleTest.java
index 5c6de04..a5efa53 100644
--- a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/Ed25519Sha256ConditionCryptoConditionModuleTest.java
+++ b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/Ed25519Sha256ConditionCryptoConditionModuleTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -20,19 +20,18 @@
  * =========================LICENSE_END==================================
  */
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.core.Is.is;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64URL;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64URL_WITHOUT_PADDING;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64_WITHOUT_PADDING;
 import static com.ripple.cryptoconditions.jackson.Encoding.HEX;
-
-import com.ripple.cryptoconditions.Ed25519Sha256Condition;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.core.Is.is;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.ripple.cryptoconditions.Ed25519Sha256Condition;
 import org.immutables.value.Value;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -77,6 +76,7 @@ public Ed25519Sha256ConditionCryptoConditionModuleTest(
 
   /**
    * Get test parameters.
+   *
    * @return the parameters for the tests
    */
   @Parameters
diff --git a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/GenericConditionCryptoConditionModuleTest.java b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/GenericConditionCryptoConditionModuleTest.java
index e6b96dc..f8047a1 100644
--- a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/GenericConditionCryptoConditionModuleTest.java
+++ b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/GenericConditionCryptoConditionModuleTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -23,11 +23,10 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.Is.is;
 
-import com.ripple.cryptoconditions.Condition;
-
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.ripple.cryptoconditions.Condition;
 import org.immutables.value.Value;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -72,6 +71,7 @@ public GenericConditionCryptoConditionModuleTest(
 
   /**
    * Get test parameters.
+   *
    * @return the parameters for the tests
    */
   @Parameters
diff --git a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/GenericFulfillmentCryptoConditionModuleTest.java b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/GenericFulfillmentCryptoConditionModuleTest.java
index 32602d7..33d224a 100644
--- a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/GenericFulfillmentCryptoConditionModuleTest.java
+++ b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/GenericFulfillmentCryptoConditionModuleTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -23,11 +23,10 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.Is.is;
 
-import com.ripple.cryptoconditions.Fulfillment;
-
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.ripple.cryptoconditions.Fulfillment;
 import org.immutables.value.Value;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -72,6 +71,7 @@ public GenericFulfillmentCryptoConditionModuleTest(
 
   /**
    * Get test parameters.
+   *
    * @return the parameters for the tests
    */
   @Parameters
diff --git a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PrefixSha256ConditionCryptoConditionModuleTest.java b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PrefixSha256ConditionCryptoConditionModuleTest.java
index 68c744e..bd71dd8 100644
--- a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PrefixSha256ConditionCryptoConditionModuleTest.java
+++ b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PrefixSha256ConditionCryptoConditionModuleTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -20,19 +20,18 @@
  * =========================LICENSE_END==================================
  */
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.core.Is.is;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64URL;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64URL_WITHOUT_PADDING;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64_WITHOUT_PADDING;
 import static com.ripple.cryptoconditions.jackson.Encoding.HEX;
-
-import com.ripple.cryptoconditions.PrefixSha256Condition;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.core.Is.is;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.ripple.cryptoconditions.PrefixSha256Condition;
 import org.immutables.value.Value;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -77,6 +76,7 @@ public PrefixSha256ConditionCryptoConditionModuleTest(
 
   /**
    * Get test parameters.
+   *
    * @return the parameters for the tests
    */
   @Parameters
diff --git a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PrefixSha256FulfillmentCryptoConditionModuleTest.java b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PrefixSha256FulfillmentCryptoConditionModuleTest.java
index 306b006..fde5ebd 100644
--- a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PrefixSha256FulfillmentCryptoConditionModuleTest.java
+++ b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PrefixSha256FulfillmentCryptoConditionModuleTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -20,19 +20,18 @@
  * =========================LICENSE_END==================================
  */
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.core.Is.is;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64URL;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64URL_WITHOUT_PADDING;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64_WITHOUT_PADDING;
 import static com.ripple.cryptoconditions.jackson.Encoding.HEX;
-
-import com.ripple.cryptoconditions.PrefixSha256Fulfillment;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.core.Is.is;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.ripple.cryptoconditions.PrefixSha256Fulfillment;
 import org.immutables.value.Value;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -82,6 +81,7 @@ public PrefixSha256FulfillmentCryptoConditionModuleTest(
 
   /**
    * Get test parameters.
+   *
    * @return the parameters for the tests
    */
   @Parameters
diff --git a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PreimageSha256ConditionCryptoConditionModuleTest.java b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PreimageSha256ConditionCryptoConditionModuleTest.java
index ba3d684..6621bd5 100644
--- a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PreimageSha256ConditionCryptoConditionModuleTest.java
+++ b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PreimageSha256ConditionCryptoConditionModuleTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -20,19 +20,18 @@
  * =========================LICENSE_END==================================
  */
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.core.Is.is;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64URL;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64URL_WITHOUT_PADDING;
 import static com.ripple.cryptoconditions.jackson.Encoding.BASE64_WITHOUT_PADDING;
 import static com.ripple.cryptoconditions.jackson.Encoding.HEX;
-
-import com.ripple.cryptoconditions.PreimageSha256Condition;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.core.Is.is;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.ripple.cryptoconditions.PreimageSha256Condition;
 import org.immutables.value.Value;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -77,6 +76,7 @@ public PreimageSha256ConditionCryptoConditionModuleTest(
 
   /**
    * Get test parameters.
+   *
    * @return the parameters for the tests
    */
   @Parameters
diff --git a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PreimageSha256FulfillmentCryptoConditionModuleTest.java b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PreimageSha256FulfillmentCryptoConditionModuleTest.java
index 73d6788..2a85398 100644
--- a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PreimageSha256FulfillmentCryptoConditionModuleTest.java
+++ b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/PreimageSha256FulfillmentCryptoConditionModuleTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -23,11 +23,10 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.Is.is;
 
-import com.ripple.cryptoconditions.PreimageSha256Fulfillment;
-
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.ripple.cryptoconditions.PreimageSha256Fulfillment;
 import org.immutables.value.Value;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -72,6 +71,7 @@ public PreimageSha256FulfillmentCryptoConditionModuleTest(
 
   /**
    * Get test parameters.
+   *
    * @return the parameters for the tests
    */
   @Parameters
diff --git a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/RsaSha256ConditionCryptoConditionModuleTest.java b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/RsaSha256ConditionCryptoConditionModuleTest.java
index 1289190..6600c35 100644
--- a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/RsaSha256ConditionCryptoConditionModuleTest.java
+++ b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/RsaSha256ConditionCryptoConditionModuleTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -23,11 +23,10 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.Is.is;
 
-import com.ripple.cryptoconditions.RsaSha256Condition;
-
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.ripple.cryptoconditions.RsaSha256Condition;
 import org.immutables.value.Value;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/RsaSha256FulfillmentCryptoConditionModuleTest.java b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/RsaSha256FulfillmentCryptoConditionModuleTest.java
index 285cfca..38582bc 100644
--- a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/RsaSha256FulfillmentCryptoConditionModuleTest.java
+++ b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/RsaSha256FulfillmentCryptoConditionModuleTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -23,11 +23,10 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.Is.is;
 
-import com.ripple.cryptoconditions.RsaSha256Fulfillment;
-
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.ripple.cryptoconditions.RsaSha256Fulfillment;
 import org.immutables.value.Value;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -86,6 +85,7 @@ public RsaSha256FulfillmentCryptoConditionModuleTest(
 
   /**
    * Get test parameters.
+   *
    * @return the parameters for the tests
    */
   @Parameters
diff --git a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/TresholdSha256ConditionCryptoConditionModuleTest.java b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/TresholdSha256ConditionCryptoConditionModuleTest.java
index e46916c..275c144 100644
--- a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/TresholdSha256ConditionCryptoConditionModuleTest.java
+++ b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/TresholdSha256ConditionCryptoConditionModuleTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -23,11 +23,10 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.Is.is;
 
-import com.ripple.cryptoconditions.ThresholdSha256Condition;
-
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.ripple.cryptoconditions.ThresholdSha256Condition;
 import org.immutables.value.Value;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -72,6 +71,7 @@ public TresholdSha256ConditionCryptoConditionModuleTest(
 
   /**
    * Get test parameters.
+   *
    * @return the parameters for the tests
    */
   @Parameters
diff --git a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/TresholdSha256FulfillmentCryptoConditionModuleTest.java b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/TresholdSha256FulfillmentCryptoConditionModuleTest.java
index 93b8a2d..dbe3cc6 100644
--- a/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/TresholdSha256FulfillmentCryptoConditionModuleTest.java
+++ b/jackson-datatype-cryptoconditions/src/test/java/com/ripple/cryptoconditions/jackson/TresholdSha256FulfillmentCryptoConditionModuleTest.java
@@ -9,9 +9,9 @@
  * 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.
@@ -23,11 +23,10 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.Is.is;
 
-import com.ripple.cryptoconditions.ThresholdSha256Fulfillment;
-
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.ripple.cryptoconditions.ThresholdSha256Fulfillment;
 import org.immutables.value.Value;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -94,6 +93,7 @@ public TresholdSha256FulfillmentCryptoConditionModuleTest(
 
   /**
    * Get test parameters.
+   *
    * @return the parameters for the tests
    */
   @Parameters
diff --git a/pom.xml b/pom.xml
index c3d2525..e0d5ef8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,6 +55,17 @@
         </plugins>
       </build>
     </profile>
+    <profile>
+      <id>owasp</id>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.owasp</groupId>
+            <artifactId>dependency-check-maven</artifactId>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
   </profiles>
 
   <developers>
@@ -85,14 +96,11 @@
     <jacoco.propertyName>argLine</jacoco.propertyName>
 
     <checkstyle.config.location>checkstyle.xml</checkstyle.config.location>
-    <checkstyle.output.file>
-      ${project.build.directory}/checkstyle-reports/checkstyle-result.xml
-    </checkstyle.output.file>
     <checkstyle.violationSeverity>warning</checkstyle.violationSeverity>
 
     <failBuildOnAnyVulnerability>true</failBuildOnAnyVulnerability>
 
-    <jackson.version>2.9.8</jackson.version>
+    <jackson.version>[2.9.10.1,)</jackson.version>
   </properties>
 
   <modules>
@@ -194,7 +202,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-dependency-plugin</artifactId>
-          <version>3.1.0</version>
+          <version>3.1.1</version>
           <executions>
             <execution>
               <id>analyze</id>
@@ -257,7 +265,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-enforcer-plugin</artifactId>
-          <version>3.0.0-M1</version>
+          <version>3.0.0-M2</version>
           <executions>
             <execution>
               <id>enforce-maven</id>
@@ -300,8 +308,7 @@
                 <goal>check</goal>
               </goals>
               <configuration>
-                <failBuildInCaseOfDifferentContentConflict>true
-                </failBuildInCaseOfDifferentContentConflict>
+                <failBuildInCaseOfDifferentContentConflict>false</failBuildInCaseOfDifferentContentConflict>
                 <failBuildInCaseOfEqualContentConflict>false</failBuildInCaseOfEqualContentConflict>
               </configuration>
             </execution>
@@ -309,7 +316,7 @@
         </plugin>
         <plugin>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.6.2</version>
+          <version>3.8.1</version>
           <configuration>
             <source>${maven.compiler.source}</source>
             <target>${maven.compiler.target}</target>
@@ -317,7 +324,7 @@
         </plugin>
         <plugin>
           <artifactId>maven-source-plugin</artifactId>
-          <version>2.2.1</version>
+          <version>3.2.0</version>
           <executions>
             <execution>
               <id>attach-sources</id>
@@ -329,7 +336,13 @@
         </plugin>
         <plugin>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>2.10.4</version>
+          <version>3.1.0</version>
+          <configuration>
+            <excludes>
+              <exclude>.*\/generated.*sources\/.*</exclude>
+            </excludes>
+            <source>8</source>
+          </configuration>
           <executions>
             <execution>
               <id>attach-javadocs</id>
@@ -342,19 +355,30 @@
         <plugin>
           <artifactId>maven-checkstyle-plugin</artifactId>
           <!-- Lock down plugin version for build reproducibility -->
-          <version>3.0.0</version>
+          <version>3.1.0</version>
           <inherited>true</inherited>
+          <configuration>
+            <sourceDirectories>
+              <sourceDirectory>${project.build.sourceDirectory}</sourceDirectory>
+              <sourceDirectory>${project.build.testSourceDirectory}</sourceDirectory>
+            </sourceDirectories>
+            <excludes>.*\/generated.*sources\/.*</excludes>
+            <encoding>UTF-8</encoding>
+            <consoleOutput>true</consoleOutput>
+            <linkXRef>false</linkXRef>
+            <failOnViolation>true</failOnViolation>
+          </configuration>
           <dependencies>
             <!-- Update Checkstyle version used -->
             <dependency>
               <groupId>com.puppycrawl.tools</groupId>
               <artifactId>checkstyle</artifactId>
-              <version>[8.18,)</version>
+              <version>8.23</version>
             </dependency>
           </dependencies>
           <executions>
             <execution>
-              <phase>process-sources</phase>
+              <phase>test</phase>
               <goals>
                 <goal>check</goal>
               </goals>
@@ -363,7 +387,7 @@
         </plugin>
         <plugin>
           <groupId>org.jacoco</groupId>
-          <version>0.8.1</version>
+          <version>0.8.4</version>
           <artifactId>jacoco-maven-plugin</artifactId>
           <executions>
             <execution>
@@ -382,7 +406,7 @@
         </plugin>
         <plugin>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.20</version>
+          <version>2.22.2</version>
           <configuration>
             <argLine>@{argLine}</argLine>
             <useSystemClassLoader>false</useSystemClassLoader>
@@ -405,10 +429,6 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
       </plugin>
-      <plugin>
-        <groupId>org.owasp</groupId>
-        <artifactId>dependency-check-maven</artifactId>
-      </plugin>
       <plugin>
         <groupId>com.ning.maven.plugins</groupId>
         <artifactId>maven-duplicate-finder-plugin</artifactId>
@@ -448,7 +468,6 @@
       </plugin>
     </plugins>
   </build>
-
   <reporting>
     <plugins>
       <plugin>
@@ -465,6 +484,16 @@
       </plugin>
       <plugin>
         <artifactId>maven-checkstyle-plugin</artifactId>
+        <configuration>
+          <sourceDirectories>
+            <sourceDirectory>${project.build.sourceDirectory}</sourceDirectory>
+            <sourceDirectory>${project.build.testSourceDirectory}</sourceDirectory>
+          </sourceDirectories>
+          <excludes>.*\/generated.*sources\/.*</excludes>
+          <encoding>UTF-8</encoding>
+          <consoleOutput>true</consoleOutput>
+          <linkXRef>false</linkXRef>
+        </configuration>
         <reportSets>
           <reportSet>
             <reports>
@@ -475,6 +504,11 @@
       </plugin>
       <plugin>
         <artifactId>maven-javadoc-plugin</artifactId>
+        <configuration>
+          <excludes>
+            <exclude>.*\/generated.*sources\/.*</exclude>
+          </excludes>
+        </configuration>
       </plugin>
     </plugins>
   </reporting>