diff --git a/src/Particular.LicensingComponent.Report.UnitTests/ApprovalFiles/ApiApprovals.Approve.approved.txt b/src/Particular.LicensingComponent.Report.UnitTests/ApprovalFiles/ApiApprovals.Approve.approved.txt
index 9401c41..6e97c6a 100644
--- a/src/Particular.LicensingComponent.Report.UnitTests/ApprovalFiles/ApiApprovals.Approve.approved.txt
+++ b/src/Particular.LicensingComponent.Report.UnitTests/ApprovalFiles/ApiApprovals.Approve.approved.txt
@@ -78,4 +78,16 @@ namespace Particular.LicensingComponent.Report
         public Particular.LicensingComponent.Report.Report ReportData { get; init; }
         public string Signature { get; init; }
     }
+}
+namespace Particular.LicensingComponent.Report.Utility
+{
+    public class Masker
+    {
+        public Masker(string[] wordsToMask) { }
+        public string Mask(string stringToMask) { }
+    }
+    public static class OneWayHasher
+    {
+        public static string CalculateOneWayHash(string input) { }
+    }
 }
\ No newline at end of file
diff --git a/src/Particular.LicensingComponent.Report/Utility/Masker.cs b/src/Particular.LicensingComponent.Report/Utility/Masker.cs
new file mode 100644
index 0000000..3a8319b
--- /dev/null
+++ b/src/Particular.LicensingComponent.Report/Utility/Masker.cs
@@ -0,0 +1,36 @@
+namespace Particular.LicensingComponent.Report.Utility;
+/// <summary>
+/// Provides functionality to mask specified words in a given string with unique replacement values.
+/// </summary>
+public class Masker
+{
+    readonly (string Mask, string Replacement)[] masks;
+
+    /// <summary>
+    /// Initializes a new instance of the Masker class with the specified words to be masked.
+    /// </summary>
+    public Masker(string[] wordsToMask)
+    {
+        var number = 0;
+        masks = [.. wordsToMask
+            .Select(mask =>
+            {
+                number++;
+                return (mask, $"REDACTED{number}");
+            })];
+    }
+
+    /// <summary>
+    /// Replaces all occurrences of specified substrings in the input string with their corresponding masked values
+    /// using a predefined set of masks.
+    /// </summary>
+    public string Mask(string stringToMask)
+    {
+        var result = stringToMask;
+        foreach (var (mask, replacement) in masks)
+        {
+            result = result.Replace(mask, replacement, StringComparison.OrdinalIgnoreCase);
+        }
+        return result;
+    }
+}
\ No newline at end of file
diff --git a/src/Particular.LicensingComponent.Report/Utility/OneWayHasher.cs b/src/Particular.LicensingComponent.Report/Utility/OneWayHasher.cs
new file mode 100644
index 0000000..6e2fe03
--- /dev/null
+++ b/src/Particular.LicensingComponent.Report/Utility/OneWayHasher.cs
@@ -0,0 +1,16 @@
+namespace Particular.LicensingComponent.Report.Utility;
+
+using System.Security.Cryptography;
+using System.Text;
+
+/// <summary>
+/// Provides static methods for computing one-way hashes using the SHA3-256 algorithm.
+/// </summary>
+public static class OneWayHasher
+{
+    /// <summary>
+    /// Calculates the SHA3-256 hash of the specified input string and returns the result as a hexadecimal string.
+    /// </summary>
+    public static string CalculateOneWayHash(string input)
+        => BitConverter.ToString(SHA3_256.HashData(Encoding.UTF8.GetBytes(input))).Replace("-", "");
+}
\ No newline at end of file